MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8cac54bc651e023650deec2d05080304f0828d30193f750979166eb8575787ac. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8cac54bc651e023650deec2d05080304f0828d30193f750979166eb8575787ac
SHA3-384 hash: 50a3b315646b2a58c9f9fa9199cb8fe6e27adb757ed11fa883e74fc56835fa8b4868929de66a821432c40fd10b0daa4b
SHA1 hash: 3c53109d8ecb44025ef3445117d05aa41dde5e83
MD5 hash: 636674c361f386ca99b2e6f0f1c7dfe0
humanhash: may-finch-muppet-montana
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:53'802 bytes
First seen:2025-11-27 07:28:48 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:SesPQJoe/RNby+5ZoKXrl5PCc7Hl30E3Uw:Se/Jo+RN3oKXrl5PdHJFkw
TLSH T1C2330A4798A19EF7D045BAB56AB75E24035BF9125F0F4E9A712CAEA0034F4CEB40F364
telfhash t19f01bd70a432962e1c424d748dcc56b02438370767159eb6de36c4c891308a0f21fe1e
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
97
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Unix.Trojan.Mirai-6981158-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6927fdd002b863802246dd3a/reports/f8b70c2b-ed2f-4037-a9d6-0e617aeea2f0/overview
Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/80b80dcf-ebb2-4735-84d1-6b8e5cf0ebc5
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
68 / 100
Link:
https://www.joesandbox.com/analysis/1821579
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1821579 Sample: sh4.elf Startdate: 27/11/2025 Architecture: LINUX Score: 68 22 169.254.169.254, 80 USDOSUS Reserved 2->22 24 176.65.132.160, 2785, 54186 DIOGELO-ASGB Germany 2->24 26 3 other IPs or domains 2->26 30 Multi AV Scanner detection for submitted file 2->30 32 Contains symbols with names commonly found in malware 2->32 8 sh4.elf 2->8         started        10 python3.8 dpkg 2->10         started        12 dash rm 2->12         started        14 9 other processes 2->14 signatures3 process4 process5 16 sh4.elf 8->16         started        signatures6 28 Sample deletes itself 16->28 19 sh4.elf 16->19         started        process7 signatures8 34 Sample tries to kill a massive number of system processes 19->34 36 Sample tries to kill multiple processes (SIGKILL) 19->36
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8cac54bc651e023650deec2d05080304f0828d30193f750979166eb8575787ac
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/8cac54bc651e023650deec2d05080304f0828d30193f750979166eb8575787ac/
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-11-27 07:30:23 UTC
File Type:
ELF32 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rswfjpdfdybdmug65qwqkcadatyifdjqde7xkclzczxlqv2xq6wa._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/251127-jbcw8ssra1/
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981158-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f96e86be-e360-4649-b5c3-5dc1d00ff87c
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/8cac54bc651e023650deec2d05080304f0828d30193f750979166eb8575787ac

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_Mirai
Create hunting rule
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 8cac54bc651e023650deec2d05080304f0828d30193f750979166eb8575787ac

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3717770/
  
Delivery method
Distributed via web download

Comments