MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a5497a004643d1de68c83ac566f995b0c9b57a531503cea13c0666494318ea. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry


Mirai


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 81a5497a004643d1de68c83ac566f995b0c9b57a531503cea13c0666494318ea
SHA3-384 hash: 0e9718210c0311f8ec4d0847eadb0ea095cc48b3c6b699e892b461c8b900c2b60d4717bd041364dae6be30094d94cb14
SHA1 hash: a86524a695d9b8271daf3f1cca0ea54368c9d875
MD5 hash: 2a68f7c59c250dca0fb3e76eedb6c4c6
humanhash: seventeen-minnesota-eleven-angel
File name:yarn
Download: download sample
Signature Mirai
Create hunting rule
File size:4'816 bytes
First seen:2025-10-12 11:30:47 UTC
Last seen:2025-10-12 18:08:23 UTC
File type: sh
MIME type:text/x-shellscript
ssdeep 48:v8ZMV4kl8C1V4R8rXrWV4c8NoV4a8EhEEV4Ee8BkV4+8C1V4R8eZV498LSV4s8bm:vD7pW3PTDL2EpebNJarEzfbl107AbdJv
TLSH T18CA104E97474A7AE6DB1ED7321D6C602B14171AAE4DA4C0BE3E1F0E4044EF61F4D4B82
Magika shell
Reporter abuse_ch
Tags:mirai sh
URLMalware sample (SHA256 hash)SignatureTags
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.x86924b4daa3d183fc7d1312a17b68aa952c8d0136918478730cd95623bb1890ed9 Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.mips4e06ece7ae576417a8dc0e419b8782ce0860cd9e90bc947b4c118e2a52786304 Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.mpsl6294a0eb4ee65e6ba006a024522658107ec8753f6d3df2dc7309776199da65e7 Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm236fa5092bd06813996532ef793834e31a69ed1e576599eaa97bcf8fb7db9b61 Miraielf mirai
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm5dc06d5d4daab1b23eef11b6eac8da75bafa7e75a7e44d60fb14c9db8199c7553 Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm641e5adc3527479d2bee1a3bb4c590899d40713df8fd20e0871a8f2e46a7afedd Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arm76d65317a9d29fdfee8ff125c78705186155fdb0162f3d13890c43b971bdf6586 Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.ppccd58c26a61496c5f2091a6e51f6d2764a61073bf619bdd2322be5379b519c71d Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.m68kfa94633bd1d61a6bfaad5d6308f4020013ccc11c9c9fa463e9795485b84ddaf5 Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.spc9c08e0232337e3288d21e5f278f98d2a7d514763b85aa5d79c3588e81037ec5d Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.i6864bd20d49002299fd230f3eeddddcf6bf9e81033d15c8519cdfc296723a57b9d3 Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.sh48ac733a14bdcdf3b2543a8e420d2fa224bc067e425ac38ea9d99fbe389f48c44 Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.arc248b6599aebc4e053a68ae502bafc1fec19cc1edcc455a8358e2d3dbe46f0e5e Miraielf mirai ua-wget
http://158.94.209.95/596a96cc7bf9108cd896f33c44aedc8a/db0fa4b8db0333367e9bda3ab68b8042.x86_64e1872b44f151615dd30c9120e8d8bd8d477212b7188a79478af49ff7df6610a9 Miraielf mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
37
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30790.LX.BOT.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-29.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Downloader-6.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
File Type:
unix shell
First seen:
2025-10-12T08:39:00Z UTC
Last seen:
2025-10-12T10:42:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan-Downloader.Shell.Agent.p HEUR:Trojan-Downloader.Shell.Agent.gen HEUR:Trojan-Downloader.Shell.Agent.a
Link:
https://opentip.kaspersky.com/81a5497a004643d1de68c83ac566f995b0c9b57a531503cea13c0666494318ea/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/306a0cba-3056-4179-8d56-c57caeb8195d
Behavior Graph:
Download SVG
%3 guuid=0f22fa59-1900-0000-7284-8eb472040000 pid=1138 /usr/bin/sudo guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146 /tmp/sample.bin guuid=0f22fa59-1900-0000-7284-8eb472040000 pid=1138->guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146 execve guuid=67ad965c-1900-0000-7284-8eb47c040000 pid=1148 /usr/bin/wget net send-data write-file guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=67ad965c-1900-0000-7284-8eb47c040000 pid=1148 execve guuid=1cb36e68-1900-0000-7284-8eb48f040000 pid=1167 /usr/bin/curl net send-data write-file guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=1cb36e68-1900-0000-7284-8eb48f040000 pid=1167 execve guuid=f315337a-1900-0000-7284-8eb4bb040000 pid=1211 /usr/bin/cat guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=f315337a-1900-0000-7284-8eb4bb040000 pid=1211 execve guuid=3b337f7a-1900-0000-7284-8eb4bd040000 pid=1213 /usr/bin/chmod guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=3b337f7a-1900-0000-7284-8eb4bd040000 pid=1213 execve guuid=be40bb7a-1900-0000-7284-8eb4bf040000 pid=1215 /tmp/76d32be0 net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=be40bb7a-1900-0000-7284-8eb4bf040000 pid=1215 execve guuid=d39cfd7a-1900-0000-7284-8eb4c2040000 pid=1218 /usr/bin/wget net send-data write-file guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=d39cfd7a-1900-0000-7284-8eb4c2040000 pid=1218 execve guuid=48e9478a-1900-0000-7284-8eb4d6040000 pid=1238 /usr/bin/curl net send-data write-file guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=48e9478a-1900-0000-7284-8eb4d6040000 pid=1238 execve guuid=58aadd9a-1900-0000-7284-8eb4ec040000 pid=1260 /usr/bin/bash guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=58aadd9a-1900-0000-7284-8eb4ec040000 pid=1260 clone guuid=7a3f3a9b-1900-0000-7284-8eb4ee040000 pid=1262 /usr/bin/chmod guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=7a3f3a9b-1900-0000-7284-8eb4ee040000 pid=1262 execve guuid=d8f69d9b-1900-0000-7284-8eb4ef040000 pid=1263 /tmp/76d32be0 net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=d8f69d9b-1900-0000-7284-8eb4ef040000 pid=1263 execve guuid=fb0ae0dd-1d00-0000-7284-8eb42e0c0000 pid=3118 /usr/bin/wget net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=fb0ae0dd-1d00-0000-7284-8eb42e0c0000 pid=3118 execve guuid=d54f28e0-1d00-0000-7284-8eb42f0c0000 pid=3119 /usr/bin/curl net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=d54f28e0-1d00-0000-7284-8eb42f0c0000 pid=3119 execve guuid=59aa3be5-1d00-0000-7284-8eb4300c0000 pid=3120 /usr/bin/bash guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=59aa3be5-1d00-0000-7284-8eb4300c0000 pid=3120 clone guuid=3c8f5ce5-1d00-0000-7284-8eb4310c0000 pid=3121 /usr/bin/chmod guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=3c8f5ce5-1d00-0000-7284-8eb4310c0000 pid=3121 execve guuid=3c64a8e5-1d00-0000-7284-8eb4320c0000 pid=3122 /tmp/76d32be0 net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=3c64a8e5-1d00-0000-7284-8eb4320c0000 pid=3122 execve guuid=8b72cd27-2200-0000-7284-8eb490140000 pid=5264 /usr/bin/wget net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=8b72cd27-2200-0000-7284-8eb490140000 pid=5264 execve guuid=26ce342c-2200-0000-7284-8eb493140000 pid=5267 /usr/bin/curl net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=26ce342c-2200-0000-7284-8eb493140000 pid=5267 execve guuid=66a78033-2200-0000-7284-8eb494140000 pid=5268 /usr/bin/bash guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=66a78033-2200-0000-7284-8eb494140000 pid=5268 clone guuid=0913aa33-2200-0000-7284-8eb495140000 pid=5269 /usr/bin/chmod guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=0913aa33-2200-0000-7284-8eb495140000 pid=5269 execve guuid=d7791634-2200-0000-7284-8eb496140000 pid=5270 /tmp/76d32be0 net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=d7791634-2200-0000-7284-8eb496140000 pid=5270 execve guuid=ab437873-2600-0000-7284-8eb4b8140000 pid=5304 /usr/bin/wget net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=ab437873-2600-0000-7284-8eb4b8140000 pid=5304 execve guuid=a8d4c674-2600-0000-7284-8eb4bc140000 pid=5308 /usr/bin/curl net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=a8d4c674-2600-0000-7284-8eb4bc140000 pid=5308 execve guuid=a648c576-2600-0000-7284-8eb4bd140000 pid=5309 /usr/bin/bash guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=a648c576-2600-0000-7284-8eb4bd140000 pid=5309 clone guuid=4e74dd76-2600-0000-7284-8eb4be140000 pid=5310 /usr/bin/chmod guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=4e74dd76-2600-0000-7284-8eb4be140000 pid=5310 execve guuid=70fe1d77-2600-0000-7284-8eb4bf140000 pid=5311 /tmp/76d32be0 net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=70fe1d77-2600-0000-7284-8eb4bf140000 pid=5311 execve guuid=65eb65b8-2a00-0000-7284-8eb4c1140000 pid=5313 /usr/bin/wget net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=65eb65b8-2a00-0000-7284-8eb4c1140000 pid=5313 execve guuid=c33744ba-2a00-0000-7284-8eb4c5140000 pid=5317 /usr/bin/curl net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=c33744ba-2a00-0000-7284-8eb4c5140000 pid=5317 execve guuid=a9320bbd-2a00-0000-7284-8eb4c6140000 pid=5318 /usr/bin/bash guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=a9320bbd-2a00-0000-7284-8eb4c6140000 pid=5318 clone guuid=a88728bd-2a00-0000-7284-8eb4c7140000 pid=5319 /usr/bin/chmod guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=a88728bd-2a00-0000-7284-8eb4c7140000 pid=5319 execve guuid=f13a85bd-2a00-0000-7284-8eb4c8140000 pid=5320 /tmp/76d32be0 net guuid=10c5415c-1900-0000-7284-8eb47a040000 pid=1146->guuid=f13a85bd-2a00-0000-7284-8eb4c8140000 pid=5320 execve ca4cc0d7-5486-5710-a0a1-75a555a3b3a4 158.94.209.95:80 guuid=67ad965c-1900-0000-7284-8eb47c040000 pid=1148->ca4cc0d7-5486-5710-a0a1-75a555a3b3a4 send: 197B guuid=1cb36e68-1900-0000-7284-8eb48f040000 pid=1167->ca4cc0d7-5486-5710-a0a1-75a555a3b3a4 send: 146B 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=be40bb7a-1900-0000-7284-8eb4bf040000 pid=1215->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=c926f47a-1900-0000-7284-8eb4c0040000 pid=1216 /tmp/76d32be0 dns net send-data zombie guuid=be40bb7a-1900-0000-7284-8eb4bf040000 pid=1215->guuid=c926f47a-1900-0000-7284-8eb4c0040000 pid=1216 clone guuid=c926f47a-1900-0000-7284-8eb4c0040000 pid=1216->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 28B 2ac2249c-25bc-5019-a88f-33a6c2731b07 cnc.504.su:56999 guuid=c926f47a-1900-0000-7284-8eb4c0040000 pid=1216->2ac2249c-25bc-5019-a88f-33a6c2731b07 con guuid=9a70fc7a-1900-0000-7284-8eb4c1040000 pid=1217 /tmp/76d32be0 guuid=c926f47a-1900-0000-7284-8eb4c0040000 pid=1216->guuid=9a70fc7a-1900-0000-7284-8eb4c1040000 pid=1217 clone guuid=ef0c017b-1900-0000-7284-8eb4c3040000 pid=1219 /tmp/76d32be0 net net-scan send-data zombie guuid=c926f47a-1900-0000-7284-8eb4c0040000 pid=1216->guuid=ef0c017b-1900-0000-7284-8eb4c3040000 pid=1219 clone guuid=4f5b067b-1900-0000-7284-8eb4c4040000 pid=1220 /tmp/76d32be0 guuid=c926f47a-1900-0000-7284-8eb4c0040000 pid=1216->guuid=4f5b067b-1900-0000-7284-8eb4c4040000 pid=1220 clone 4bcd05e0-7ebf-53bb-9cc8-c008d3256770 cnc.504.su:80 guuid=d39cfd7a-1900-0000-7284-8eb4c2040000 pid=1218->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 send: 198B guuid=ef0c017b-1900-0000-7284-8eb4c3040000 pid=1219->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 6e38ba08-6a93-5bbe-a042-4c3cb7a34890 191.61.80.33:23 guuid=ef0c017b-1900-0000-7284-8eb4c3040000 pid=1219->6e38ba08-6a93-5bbe-a042-4c3cb7a34890 send: 40B bc63d07a-d403-5a6c-8a06-c3d23f19a7f0 120.119.92.253:23 guuid=ef0c017b-1900-0000-7284-8eb4c3040000 pid=1219->bc63d07a-d403-5a6c-8a06-c3d23f19a7f0 send: 40B guuid=ef0c017b-1900-0000-7284-8eb4c3040000 pid=1219|send-data send-data to 4097 IP addresses review logs to see them all guuid=ef0c017b-1900-0000-7284-8eb4c3040000 pid=1219->guuid=ef0c017b-1900-0000-7284-8eb4c3040000 pid=1219|send-data send guuid=48e9478a-1900-0000-7284-8eb4d6040000 pid=1238->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 send: 147B guuid=d8f69d9b-1900-0000-7284-8eb4ef040000 pid=1263->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con 5fbefa0b-74db-5ddb-909f-7c8f89ca1384 0.0.0.0:46157 guuid=d8f69d9b-1900-0000-7284-8eb4ef040000 pid=1263->5fbefa0b-74db-5ddb-909f-7c8f89ca1384 con guuid=beaeb5dd-1d00-0000-7284-8eb42a0c0000 pid=3114 /tmp/76d32be0 dns net send-data zombie guuid=d8f69d9b-1900-0000-7284-8eb4ef040000 pid=1263->guuid=beaeb5dd-1d00-0000-7284-8eb42a0c0000 pid=3114 clone guuid=beaeb5dd-1d00-0000-7284-8eb42a0c0000 pid=3114->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 56B guuid=beaeb5dd-1d00-0000-7284-8eb42a0c0000 pid=3114->2ac2249c-25bc-5019-a88f-33a6c2731b07 con guuid=ed89c4dd-1d00-0000-7284-8eb42b0c0000 pid=3115 /tmp/76d32be0 guuid=beaeb5dd-1d00-0000-7284-8eb42a0c0000 pid=3114->guuid=ed89c4dd-1d00-0000-7284-8eb42b0c0000 pid=3115 clone guuid=70a1cadd-1d00-0000-7284-8eb42c0c0000 pid=3116 /tmp/76d32be0 net net-scan send-data zombie guuid=beaeb5dd-1d00-0000-7284-8eb42a0c0000 pid=3114->guuid=70a1cadd-1d00-0000-7284-8eb42c0c0000 pid=3116 clone guuid=a4b6d0dd-1d00-0000-7284-8eb42d0c0000 pid=3117 /tmp/76d32be0 guuid=beaeb5dd-1d00-0000-7284-8eb42a0c0000 pid=3114->guuid=a4b6d0dd-1d00-0000-7284-8eb42d0c0000 pid=3117 clone guuid=70a1cadd-1d00-0000-7284-8eb42c0c0000 pid=3116->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=70a1cadd-1d00-0000-7284-8eb42c0c0000 pid=3116|send-data send-data to 4097 IP addresses review logs to see them all guuid=70a1cadd-1d00-0000-7284-8eb42c0c0000 pid=3116->guuid=70a1cadd-1d00-0000-7284-8eb42c0c0000 pid=3116|send-data send guuid=fb0ae0dd-1d00-0000-7284-8eb42e0c0000 pid=3118->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 con guuid=d54f28e0-1d00-0000-7284-8eb42f0c0000 pid=3119->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 con guuid=3c64a8e5-1d00-0000-7284-8eb4320c0000 pid=3122->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=3c64a8e5-1d00-0000-7284-8eb4320c0000 pid=3122->5fbefa0b-74db-5ddb-909f-7c8f89ca1384 con guuid=56aab727-2200-0000-7284-8eb48e140000 pid=5262 /tmp/76d32be0 dns net send-data zombie guuid=3c64a8e5-1d00-0000-7284-8eb4320c0000 pid=3122->guuid=56aab727-2200-0000-7284-8eb48e140000 pid=5262 clone guuid=56aab727-2200-0000-7284-8eb48e140000 pid=5262->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 56B guuid=56aab727-2200-0000-7284-8eb48e140000 pid=5262->2ac2249c-25bc-5019-a88f-33a6c2731b07 con guuid=fdbec927-2200-0000-7284-8eb48f140000 pid=5263 /tmp/76d32be0 guuid=56aab727-2200-0000-7284-8eb48e140000 pid=5262->guuid=fdbec927-2200-0000-7284-8eb48f140000 pid=5263 clone guuid=5ac1cf27-2200-0000-7284-8eb491140000 pid=5265 /tmp/76d32be0 net net-scan send-data zombie guuid=56aab727-2200-0000-7284-8eb48e140000 pid=5262->guuid=5ac1cf27-2200-0000-7284-8eb491140000 pid=5265 clone guuid=e0d4d727-2200-0000-7284-8eb492140000 pid=5266 /tmp/76d32be0 guuid=56aab727-2200-0000-7284-8eb48e140000 pid=5262->guuid=e0d4d727-2200-0000-7284-8eb492140000 pid=5266 clone guuid=8b72cd27-2200-0000-7284-8eb490140000 pid=5264->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 con guuid=5ac1cf27-2200-0000-7284-8eb491140000 pid=5265->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=5ac1cf27-2200-0000-7284-8eb491140000 pid=5265|send-data send-data to 4097 IP addresses review logs to see them all guuid=5ac1cf27-2200-0000-7284-8eb491140000 pid=5265->guuid=5ac1cf27-2200-0000-7284-8eb491140000 pid=5265|send-data send guuid=26ce342c-2200-0000-7284-8eb493140000 pid=5267->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 con guuid=d7791634-2200-0000-7284-8eb496140000 pid=5270->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=d7791634-2200-0000-7284-8eb496140000 pid=5270->5fbefa0b-74db-5ddb-909f-7c8f89ca1384 con guuid=23d36a73-2600-0000-7284-8eb4b7140000 pid=5303 /tmp/76d32be0 net send-data zombie guuid=d7791634-2200-0000-7284-8eb496140000 pid=5270->guuid=23d36a73-2600-0000-7284-8eb4b7140000 pid=5303 clone guuid=23d36a73-2600-0000-7284-8eb4b7140000 pid=5303->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 56B guuid=02c87873-2600-0000-7284-8eb4b9140000 pid=5305 /tmp/76d32be0 guuid=23d36a73-2600-0000-7284-8eb4b7140000 pid=5303->guuid=02c87873-2600-0000-7284-8eb4b9140000 pid=5305 clone guuid=74277d73-2600-0000-7284-8eb4ba140000 pid=5306 /tmp/76d32be0 net net-scan send-data zombie guuid=23d36a73-2600-0000-7284-8eb4b7140000 pid=5303->guuid=74277d73-2600-0000-7284-8eb4ba140000 pid=5306 clone guuid=2ccf8173-2600-0000-7284-8eb4bb140000 pid=5307 /tmp/76d32be0 guuid=23d36a73-2600-0000-7284-8eb4b7140000 pid=5303->guuid=2ccf8173-2600-0000-7284-8eb4bb140000 pid=5307 clone guuid=ab437873-2600-0000-7284-8eb4b8140000 pid=5304->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 con guuid=74277d73-2600-0000-7284-8eb4ba140000 pid=5306->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=74277d73-2600-0000-7284-8eb4ba140000 pid=5306|send-data send-data to 4097 IP addresses review logs to see them all guuid=74277d73-2600-0000-7284-8eb4ba140000 pid=5306->guuid=74277d73-2600-0000-7284-8eb4ba140000 pid=5306|send-data send guuid=a8d4c674-2600-0000-7284-8eb4bc140000 pid=5308->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 con guuid=70fe1d77-2600-0000-7284-8eb4bf140000 pid=5311->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=70fe1d77-2600-0000-7284-8eb4bf140000 pid=5311->5fbefa0b-74db-5ddb-909f-7c8f89ca1384 con guuid=349658b8-2a00-0000-7284-8eb4c0140000 pid=5312 /tmp/76d32be0 net send-data zombie guuid=70fe1d77-2600-0000-7284-8eb4bf140000 pid=5311->guuid=349658b8-2a00-0000-7284-8eb4c0140000 pid=5312 clone guuid=349658b8-2a00-0000-7284-8eb4c0140000 pid=5312->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 56B guuid=6a7767b8-2a00-0000-7284-8eb4c2140000 pid=5314 /tmp/76d32be0 guuid=349658b8-2a00-0000-7284-8eb4c0140000 pid=5312->guuid=6a7767b8-2a00-0000-7284-8eb4c2140000 pid=5314 clone guuid=70246db8-2a00-0000-7284-8eb4c3140000 pid=5315 /tmp/76d32be0 net net-scan send-data zombie guuid=349658b8-2a00-0000-7284-8eb4c0140000 pid=5312->guuid=70246db8-2a00-0000-7284-8eb4c3140000 pid=5315 clone guuid=1b4173b8-2a00-0000-7284-8eb4c4140000 pid=5316 /tmp/76d32be0 guuid=349658b8-2a00-0000-7284-8eb4c0140000 pid=5312->guuid=1b4173b8-2a00-0000-7284-8eb4c4140000 pid=5316 clone guuid=65eb65b8-2a00-0000-7284-8eb4c1140000 pid=5313->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 con guuid=70246db8-2a00-0000-7284-8eb4c3140000 pid=5315->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=70246db8-2a00-0000-7284-8eb4c3140000 pid=5315|send-data send-data to 4097 IP addresses review logs to see them all guuid=70246db8-2a00-0000-7284-8eb4c3140000 pid=5315->guuid=70246db8-2a00-0000-7284-8eb4c3140000 pid=5315|send-data send guuid=c33744ba-2a00-0000-7284-8eb4c5140000 pid=5317->4bcd05e0-7ebf-53bb-9cc8-c008d3256770 con guuid=f13a85bd-2a00-0000-7284-8eb4c8140000 pid=5320->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=f13a85bd-2a00-0000-7284-8eb4c8140000 pid=5320->5fbefa0b-74db-5ddb-909f-7c8f89ca1384 con
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/81a5497a004643d1de68c83ac566f995b0c9b57a531503cea13c0666494318ea
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/81a5497a004643d1de68c83ac566f995b0c9b57a531503cea13c0666494318ea/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/81a5497a004643d1de68c83ac566f995b0c9b57a531503cea13c0666494318ea
Threat name:
Linux.Downloader.Medusa
Create hunting rule
Status:
Malicious
First seen:
2025-10-12 11:23:28 UTC
File Type:
Text (Shell)
AV detection:
18 of 24 (75.00%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=qgsus6qaizb5dxtiza5mkzxzswymtnl2kmkqhtvbhqdgmskdddva._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:unstable antivm botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/251012-nng4yatmv4/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Writes file to tmp directory
Changes its process name
Checks CPU configuration
Reads system network configuration
UPX packed file
Enumerates active TCP sockets
Enumerates running processes
Writes file to system bin folder
File and Directory Permissions Modification
Executes dropped EXE
Modifies Watchdog functionality
Contacts a large (54146) amount of remote hosts
Creates a large amount of network flows
Mirai
Mirai family
Malware Config
C2 Extraction:
cnc.504.su
scan.504.su
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/81a5497a0046/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/81a5497a004643d1de68c83ac566f995b0c9b57a531503cea13c0666494318ea

YARA Signatures

MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:Linux_Shellscript_Downloader
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Shellscript downloaders

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Mirai

sh 81a5497a004643d1de68c83ac566f995b0c9b57a531503cea13c0666494318ea

(this sample)

Mirai

elf 924b4daa3d183fc7d1312a17b68aa952c8d0136918478730cd95623bb1890ed9

  
URLhaus
https://urlhaus.abuse.ch/url/3669655/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3669707/
  
URLhaus
https://urlhaus.abuse.ch/url/3669713/
  
Dropping
MD5 e4e48028a8e278bd6b7a9296154dcb51
  
Dropping
SHA256 924b4daa3d183fc7d1312a17b68aa952c8d0136918478730cd95623bb1890ed9

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