MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 785eba9db3aa1dd40a44711c9cdb5136dfe2452d18009d78de914253aa727695. 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 11 File information Comments

SHA256 hash: 785eba9db3aa1dd40a44711c9cdb5136dfe2452d18009d78de914253aa727695
SHA3-384 hash: b6cf6268c1a4f738cdd161a26581ba7c088f64d4ccc846d2de005f2e791c1f19393f2fe02741acc63febde9bbf084a16
SHA1 hash: f2ba2d24ee83b4501b7c05152b84dca651c6a90b
MD5 hash: 5c46634bd8e9c993e70c6c408a9b8f3d
humanhash: speaker-alaska-oscar-ink
File name:Mark90c80.x86
Download: download sample
Signature Mirai
File size:113'032 bytes
First seen:2025-12-28 07:43:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:gzbSNGrHlTAvodoN4A6h3KNnNtl3pNd+:abSNgTAvwpD3KBNLPE
TLSH T168B36BC5B743D0F5E85205B2213BE7369733E43E102EEE42D329AD35ED52951DA2A3AC
telfhash t1fa51f6f71aaf0ce8a7d09842d34e2f516c1ee77b186037a54573987433abe8141bac39
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Magika elf
Reporter abuse_ch
Tags:elf mirai upx-dec


Avatar
abuse_ch
UPX decompressed file, sourced from SHA256 e2bcf189c377f8a005f152bad20c89f66f74dfd40f6c5432b5a2e01831ba014e
File size (compressed) :48'728 bytes
File size (de-compressed) :113'032 bytes
Format:linux/i386
Packed file: e2bcf189c377f8a005f152bad20c89f66f74dfd40f6c5432b5a2e01831ba014e

Intelligence


File Origin
# of uploads :
1
# of downloads :
41
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=95781699-1800-0000-89ad-3ef0890c0000 pid=3209 /usr/bin/sudo guuid=1a4a4d9d-1800-0000-89ad-3ef08b0c0000 pid=3211 /tmp/sample.bin net guuid=95781699-1800-0000-89ad-3ef0890c0000 pid=3209->guuid=1a4a4d9d-1800-0000-89ad-3ef08b0c0000 pid=3211 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=1a4a4d9d-1800-0000-89ad-3ef08b0c0000 pid=3211->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=75f28c9d-1800-0000-89ad-3ef08c0c0000 pid=3212 /tmp/sample.bin guuid=1a4a4d9d-1800-0000-89ad-3ef08b0c0000 pid=3211->guuid=75f28c9d-1800-0000-89ad-3ef08c0c0000 pid=3212 clone guuid=b450999d-1800-0000-89ad-3ef08d0c0000 pid=3213 /tmp/sample.bin guuid=75f28c9d-1800-0000-89ad-3ef08c0c0000 pid=3212->guuid=b450999d-1800-0000-89ad-3ef08d0c0000 pid=3213 clone guuid=74356aa1-1800-0000-89ad-3ef0940c0000 pid=3220 /tmp/sample.bin dns net send-data zombie guuid=b450999d-1800-0000-89ad-3ef08d0c0000 pid=3213->guuid=74356aa1-1800-0000-89ad-3ef0940c0000 pid=3220 clone guuid=74356aa1-1800-0000-89ad-3ef0940c0000 pid=3220->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 send: 33B d3dcab34-0530-5a7b-920e-a46bc908528e yummystakes.win:12121 guuid=74356aa1-1800-0000-89ad-3ef0940c0000 pid=3220->d3dcab34-0530-5a7b-920e-a46bc908528e send: 14B guuid=93aa86a1-1800-0000-89ad-3ef0950c0000 pid=3221 /tmp/sample.bin guuid=74356aa1-1800-0000-89ad-3ef0940c0000 pid=3220->guuid=93aa86a1-1800-0000-89ad-3ef0950c0000 pid=3221 clone guuid=455599a1-1800-0000-89ad-3ef0960c0000 pid=3222 /tmp/sample.bin delete-file guuid=93aa86a1-1800-0000-89ad-3ef0950c0000 pid=3221->guuid=455599a1-1800-0000-89ad-3ef0960c0000 pid=3222 clone guuid=5a66aaa1-1800-0000-89ad-3ef0970c0000 pid=3223 /tmp/sample.bin zombie guuid=93aa86a1-1800-0000-89ad-3ef0950c0000 pid=3221->guuid=5a66aaa1-1800-0000-89ad-3ef0970c0000 pid=3223 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj.evad
Score:
84 / 100
Signature
Deletes system log files
Malicious sample detected (through community Yara rule)
Manipulation of devices in /dev
Multi AV Scanner detection for submitted file
Reads system files that contain records of logged in users
Sample reads /proc/mounts (often used for finding a writable filesystem)
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1840727 Sample: Mark90c80.x86.elf Startdate: 28/12/2025 Architecture: LINUX Score: 84 77 yummystakes.win 41.216.189.149, 12121, 44424, 44426 AS40676US South Africa 2->77 83 Malicious sample detected (through community Yara rule) 2->83 85 Multi AV Scanner detection for submitted file 2->85 11 Mark90c80.x86.elf 2->11         started        13 systemd gpu-manager 2->13         started        15 systemd gpu-manager 2->15         started        17 45 other processes 2->17 signatures3 process4 signatures5 20 Mark90c80.x86.elf 11->20         started        22 gpu-manager sh 13->22         started        24 gpu-manager sh 13->24         started        26 gpu-manager sh 13->26         started        32 5 other processes 13->32 34 8 other processes 15->34 79 Sample reads /proc/mounts (often used for finding a writable filesystem) 17->79 81 Reads system files that contain records of logged in users 17->81 28 accounts-daemon language-validate 17->28         started        30 accounts-daemon language-validate 17->30         started        36 33 other processes 17->36 process6 process7 38 Mark90c80.x86.elf 20->38         started        40 sh grep 22->40         started        42 sh grep 24->42         started        44 sh grep 26->44         started        46 language-validate language-options 28->46         started        48 language-validate language-options 30->48         started        50 5 other processes 32->50 52 8 other processes 34->52 54 24 other processes 36->54 process8 56 Mark90c80.x86.elf 38->56         started        58 language-options sh 46->58         started        60 language-options sh 48->60         started        process9 62 Mark90c80.x86.elf 56->62         started        64 sh locale 58->64         started        66 sh grep 58->66         started        68 sh locale 60->68         started        70 sh grep 60->70         started        process10 72 Mark90c80.x86.elf 62->72         started        75 Mark90c80.x86.elf 62->75         started        signatures11 87 Sample tries to kill a massive number of system processes 72->87 89 Sample tries to kill multiple processes (SIGKILL) 72->89 91 Manipulation of devices in /dev 75->91 93 Deletes system log files 75->93
Threat name:
Linux.Backdoor.Mirai
Status:
Malicious
First seen:
2025-12-28 02:36:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
14 of 36 (38.89%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:mirai discovery linux
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates active TCP sockets
Enumerates running processes
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-10028515-0
YARA:
n/a
Please note that we are no longer able to provide a coverage score for Virus Total.

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:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_88de437f
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_8aa7b5d3
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_99d78950
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_ae9d0fa6
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_b14f4c5d
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_cc93863b
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_fa3ad9d0
Author:Elastic Security
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags

File information


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

Web download

Mirai

elf 785eba9db3aa1dd40a44711c9cdb5136dfe2452d18009d78de914253aa727695

(this sample)

  
Delivery method
Distributed via web download

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