MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6c9a81f9274570fe1ea67285664d25a43273707ac4eddbfe979d7af5c2f734a7. 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: 8


Intelligence 8 IOCs YARA 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 6c9a81f9274570fe1ea67285664d25a43273707ac4eddbfe979d7af5c2f734a7
SHA3-384 hash: 071ea13480437ff1fc694cfe3d0b1f5c266f4a67d578c5da09808a4bec90654bb6d2b7e18d1fe8a9678ce4aa2c41abf9
SHA1 hash: 20d3a60e387ace3043824df08feeebfd803ed321
MD5 hash: d5da6828126ff44772eb7638de2c5a16
humanhash: illinois-uncle-five-cat
File name:sh4.urbotnetisass
Download: download sample
Signature Mirai
Create hunting rule
File size:230'128 bytes
First seen:2025-09-12 03:28:23 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:0oKZ5JWpMvRdJLGCDI97xRtU8cfsD9aqUOy9ZbkNJ623mt0njMiVUuuLBnKDvJQ:0owl3JLsbs8ckD9aqUHNSnQIU/LSvJQ
TLSH T14B24D032C6B67E84C17982B172F1CF3D4F136A6082563E7985EDCA615047F8D721ABB8
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 :
100
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.31069.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.31075.LX.BOT.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-7755770-0
Create hunting rule

Unix.Trojan.Mirai-9885259-0
Create hunting rule

Unix.Trojan.Gafgyt-9940653-0
Create hunting rule

Unix.Trojan.Mirai-9951087-0
Create hunting rule

Unix.Trojan.Mirai-10008934-0
Create hunting rule

Unix.Trojan.Gafgyt-6735924-0
Create hunting rule

Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
anti-vm
Link:
https://www.filescan.io/uploads/68c3935cc62f69962388e1e3/reports/f88fee55-8120-447e-b837-bbd8b45e0d0a/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-12T01:46:00Z UTC
Last seen:
2025-09-12T01:46:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/6c9a81f9274570fe1ea67285664d25a43273707ac4eddbfe979d7af5c2f734a7/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/252148bb-c296-4e99-9b63-7ae241d1cf19
Behavior Graph:
Download SVG
%3 guuid=cc790d39-1900-0000-d8eb-8fe6900f0000 pid=3984 /usr/bin/sudo guuid=5e37f23a-1900-0000-d8eb-8fe69b0f0000 pid=3995 /tmp/sample.bin guuid=cc790d39-1900-0000-d8eb-8fe6900f0000 pid=3984->guuid=5e37f23a-1900-0000-d8eb-8fe69b0f0000 pid=3995 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/ec53f32c-461c-4e0c-9686-5fc8d68cbdea
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj.evad
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1776096
Signature
Antivirus / Scanner detection for submitted sample
Deletes system log files
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Writes identical ELF files to multiple locations
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1776096 Sample: sh4.urbotnetisass.elf Startdate: 12/09/2025 Architecture: LINUX Score: 92 47 94.154.35.153, 43212 SELECTELRU Ukraine 2->47 49 109.202.202.202, 80 INIT7CH Switzerland 2->49 51 2 other IPs or domains 2->51 53 Antivirus / Scanner detection for submitted sample 2->53 55 Multi AV Scanner detection for submitted file 2->55 57 Yara detected Gafgyt 2->57 59 Yara detected Mirai 2->59 10 sh4.urbotnetisass.elf 2->10         started        12 udisksd dumpe2fs 2->12         started        14 udisksd dumpe2fs 2->14         started        16 12 other processes 2->16 signatures3 process4 process5 18 sh4.urbotnetisass.elf 10->18         started        file6 39 /_dev_shm_.6270_librt.so.1, ELF 18->39 dropped 41 /_dev_shm_.6270_libpthread.so.0, ELF 18->41 dropped 43 /_dev_shm_.6270_libm.so.6, ELF 18->43 dropped 45 6 other malicious files 18->45 dropped 61 Writes identical ELF files to multiple locations 18->61 22 sh4.urbotnetisass.elf 18->22         started        24 sh4.urbotnetisass.elf 18->24         started        signatures7 process8 process9 26 sh4.urbotnetisass.elf 22->26         started        29 sh4.urbotnetisass.elf 24->29         started        signatures10 63 Sample reads /proc/mounts (often used for finding a writable filesystem) 26->63 65 Deletes system log files 26->65 31 sh4.urbotnetisass.elf 26->31         started        33 sh4.urbotnetisass.elf 26->33         started        35 sh4.urbotnetisass.elf 26->35         started        37 7 other processes 26->37 process11
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/6c9a81f9274570fe1ea67285664d25a43273707ac4eddbfe979d7af5c2f734a7
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/6c9a81f9274570fe1ea67285664d25a43273707ac4eddbfe979d7af5c2f734a7/
Threat name:
Linux.Exploit.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-09-12 03:29:30 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 24 (41.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nsnid6jhivyp4hvgokcwmtjfuqzhg4d2ytw5x7uxtv5plqxxgstq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250912-d1kqgsxnx8/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7136288-0
YARA:
n/a
Link:
https://app.threat.zone/submission/f32fe65c-033d-4cbd-9a61-fc83b778cf88
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/6c9a81f9274570fe1ea67285664d25a43273707ac4eddbfe979d7af5c2f734a7

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:ach_202503_elf_Mirai
Create hunting rule
Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:unixredflags3
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques

File information

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

Web download

Mirai

elf 6c9a81f9274570fe1ea67285664d25a43273707ac4eddbfe979d7af5c2f734a7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3618253/
  
Delivery method
Distributed via web download

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