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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 381f4e2d1b0c2a536b40c00114ec9b04dd5261c07445b390478a0f580da26830. 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 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 381f4e2d1b0c2a536b40c00114ec9b04dd5261c07445b390478a0f580da26830
SHA3-384 hash: ca8939777544ea039455ce6c158fc1cf49fe718a84ffe216afd8298f781af4b7a3edc2af889aff7db27ffa267c932a54
SHA1 hash: 884fbdc541e9d7f3a7de27eb696bdcdbbd9533e7
MD5 hash: 5c5eb814edee21d23e7aae8957958aff
humanhash: colorado-mississippi-eighteen-july
File name:x86_64
Download: download sample
Signature Mirai
Create hunting rule
File size:58'332 bytes
First seen:2026-09-17 16:19:18 UTC
Last seen:2026-09-17 16:33:14 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:TyGDHKhHwW6rIGpKS8e/33yzwzxbKbqVBg9X7QWCYa2:ThWwWI8efAw1bKuVQ7QWCQ
TLSH T14143028A603EFE7DC44696FED5A6C000A6A9FF509A8C030F766550FCE4BB9B43532651
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
File size (compressed) :58'332 bytes
File size (de-compressed) :161'696 bytes
Format:linux/amd64
Unpacked file: 43ec2a9a0ef6010cf0c72f592f135a5b63f22f2c8ac84541dadc0a13118ac4e7

Intelligence

File Origin
# of uploads :
2
# of downloads :
75
Origin country :
DE DE
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/6c592a48-2657-4042-b1e3-4bc4feef30dd/
Detection(s):
SecuriteInfo.com.Linux.Mirai-19.UNOFFICIAL
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
packed upx
Link:
https://www.filescan.io/uploads/6aac13443416f5325c9fb761/reports/f5387e95-5a81-4e36-8833-b1c56ac39cd5/overview
Verdict:
Malicious
File Type:
elf.64.le
First seen:
2026-09-17T16:24:00Z UTC
Last seen:
2026-09-18T04:32:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/381f4e2d1b0c2a536b40c00114ec9b04dd5261c07445b390478a0f580da26830/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/bd0cf49c-c093-4e18-9f4b-4c68c3d204cd
Behavior Graph:
Download SVG
%3 guuid=a87a8974-2300-0000-b7e8-d3855a0b0000 pid=2906 /usr/bin/sudo guuid=46457f77-2300-0000-b7e8-d385610b0000 pid=2913 /tmp/sample.bin delete-file mprotect-exec net guuid=a87a8974-2300-0000-b7e8-d3855a0b0000 pid=2906->guuid=46457f77-2300-0000-b7e8-d385610b0000 pid=2913 execve 8b0a01dc-0728-52c1-8024-c4ba7801b8d6 8.8.8.8:53 guuid=46457f77-2300-0000-b7e8-d385610b0000 pid=2913->8b0a01dc-0728-52c1-8024-c4ba7801b8d6 con guuid=61500079-2300-0000-b7e8-d385650b0000 pid=2917 /tmp/sample.bin net zombie guuid=46457f77-2300-0000-b7e8-d385610b0000 pid=2913->guuid=61500079-2300-0000-b7e8-d385650b0000 pid=2917 clone 967635a7-17e0-5a5e-b5a2-b80c6aa447bb 176.65.139.145:18129 guuid=61500079-2300-0000-b7e8-d385650b0000 pid=2917->967635a7-17e0-5a5e-b5a2-b80c6aa447bb con guuid=87538b79-2300-0000-b7e8-d385670b0000 pid=2919 /tmp/sample.bin write-file guuid=61500079-2300-0000-b7e8-d385650b0000 pid=2917->guuid=87538b79-2300-0000-b7e8-d385670b0000 pid=2919 clone guuid=4e089779-2300-0000-b7e8-d385680b0000 pid=2920 /tmp/sample.bin write-file guuid=61500079-2300-0000-b7e8-d385650b0000 pid=2917->guuid=4e089779-2300-0000-b7e8-d385680b0000 pid=2920 clone
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3f450151-6eed-4544-9b14-32bc7e2e7abf
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/381f4e2d1b0c2a536b40c00114ec9b04dd5261c07445b390478a0f580da26830
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/381f4e2d1b0c2a536b40c00114ec9b04dd5261c07445b390478a0f580da26830/
Threat name:
Linux.Backdoor.Mirai
Create hunting rule
Status:
Malicious
First seen:
2026-09-17 16:20:24 UTC
File Type:
ELF64 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hapu4li3bqvfg22ayaarj3e3atoveyoaorc3hechrihvqdncnaya._file
Result
Malware family:
mirai
Create hunting rule
Score:
  10/10
Tags:
family:mirai botnet:mirai botnet defense_evasion discovery linux upx
Link:
https://tria.ge/reports/260917-ts9yeatbkf/
Behaviour
Reads runtime system information
Writes file to shm directory
Changes its process name
Deletes itself
Modifies Watchdog functionality
Family: Mirai
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/381f4e2d1b0c2a536b40c00114ec9b04dd5261c07445b390478a0f580da26830

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_IoT_DVR_Botnet_Hama_UPX
Create hunting rule
Author:Serhii Kocherhan
Description:Detects packed and unpacked ELF IoT/DVR botnet variants targeting UPX compression structures and uncompressed code
Rule name:SUSP_ELF_LNX_UPX_Compressed_File
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects a suspicious ELF binary with UPX compression
Reference:Internal Research
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:upx_packed_elf_v1
Create hunting rule
Author:RandomMalware

File information

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

Web download

Mirai

elf 381f4e2d1b0c2a536b40c00114ec9b04dd5261c07445b390478a0f580da26830

(this sample)

Mirai

elf 43ec2a9a0ef6010cf0c72f592f135a5b63f22f2c8ac84541dadc0a13118ac4e7

  
URLhaus
https://urlhaus.abuse.ch/url/3917672/
  
Delivery method
Distributed via web download
  
Dropping
SHA256 43ec2a9a0ef6010cf0c72f592f135a5b63f22f2c8ac84541dadc0a13118ac4e7
  
Dropping
MD5 8d2e1cf0ac89dba50b6296fdaa7e1950

Comments