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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8b6e3557e6e5483b95601d2636498c2d289b644f751251edb384659e1a554e93. 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: 7


Intelligence 7 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 8b6e3557e6e5483b95601d2636498c2d289b644f751251edb384659e1a554e93
SHA3-384 hash: 608659ee8f206f82b32b36301fac20399a469c58215fcfde44d35245108c7fbd7a983c5ad5c55c65d035df5e18b649b0
SHA1 hash: 221db29880638e8c8e3b600ed91f68920606a431
MD5 hash: 90521be52542f22d2a5fda673cb60d63
humanhash: winter-bacon-fifteen-hot
File name:sh4
Download: download sample
Signature Mirai
Create hunting rule
File size:118'989 bytes
First seen:2025-06-25 19:10:56 UTC
Last seen:2025-06-26 01:50:02 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:6i6dCzaVAtL5qgXko1JhKHDD8XUCIPQfnsr0mi2/rrMa++K92TaB:6i/zeAtLAWk8LgDDUcMJmi2XB06q
TLSH T139C35C23E6255C83C8531BB496FB85740313FDA207970D35A96DEBB80697BC8BE8E315
telfhash t1df11ef956f7a88385bd3d928c8a803bc580ea69118907b61cf48dad0913915fe78af1f
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 gafgyt mirai

Intelligence

File Origin
# of uploads :
2
# of downloads :
115
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.9999.8793.18939.UNOFFICIAL
Create hunting rule

Verdict:
Clean
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685c4ab5b06783b9ebd799cblinux22vpnfull_triage
Tags:
n/a
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc lolbin remote
Link:
https://www.filescan.io/uploads/685c4b5166c4b5c0b99e9622/reports/216f2ffe-b4fc-4126-bd15-44e24e455aad/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/8dc795ea-fbbf-4f0b-a17f-ecff6a5bb4be
Behavior Graph:
Download SVG
%3 guuid=8178aed7-1900-0000-5008-5ef7b9090000 pid=2489 /usr/bin/sudo guuid=764d75d9-1900-0000-5008-5ef7bd090000 pid=2493 /tmp/sample.bin guuid=8178aed7-1900-0000-5008-5ef7b9090000 pid=2489->guuid=764d75d9-1900-0000-5008-5ef7bd090000 pid=2493 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/fbcb562f-190b-4dc4-b1fa-1bd0ff58fb5d
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.troj
Score:
64 / 100
Link:
https://www.joesandbox.com/analysis/1722911
Signature
Contains symbols with names commonly found in malware
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 multiple processes (SIGKILL)
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1722911 Sample: sh4.elf Startdate: 25/06/2025 Architecture: LINUX Score: 64 50 Multi AV Scanner detection for submitted file 2->50 52 Contains symbols with names commonly found in malware 2->52 9 systemd gvfsd 2->9         started        11 systemd accounts-daemon 2->11         started        14 sh4.elf 2->14         started        16 51 other processes 2->16 process3 signatures4 18 gvfsd 9->18         started        58 Reads system files that contain records of logged in users 11->58 20 accounts-daemon language-validate 11->20         started        22 sh4.elf 14->22         started        60 Sample reads /proc/mounts (often used for finding a writable filesystem) 16->60 24 gsd-print-notifications 16->24         started        26 gvfsd 16->26         started        28 colord colord-sane 16->28         started        process5 process6 30 gvfsd gvfsd-fuse 18->30         started        32 language-validate language-options 20->32         started        34 sh4.elf 22->34         started        37 gsd-print-notifications gsd-printer 24->37         started        39 gvfsd gvfsd-fuse 26->39         started        signatures7 41 gvfsd-fuse fusermount 30->41         started        44 language-options sh 32->44         started        54 Sample tries to kill multiple processes (SIGKILL) 34->54 process8 signatures9 56 Sample reads /proc/mounts (often used for finding a writable filesystem) 41->56 46 sh locale 44->46         started        48 sh grep 44->48         started        process10
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/8b6e3557e6e5483b95601d2636498c2d289b644f751251edb384659e1a554e93
Detection:
mirai
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8b6e3557e6e5483b95601d2636498c2d289b644f751251edb384659e1a554e93/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-06-25 19:15:49 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 38 (39.47%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rnxdkv7g4vedxfladutdmsmmfuujwzcpoujfd3ntqrsz4gsvj2jq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/250625-xzm9rs11fw/
Verdict:
Informative
Tags:
n/a
YARA:
n/a
Link:
https://app.threat.zone/submission/6f49d702-16d8-467a-8a4e-2b0170124abe
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Mirai
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/8b6e3557e6e5483b95601d2636498c2d289b644f751251edb384659e1a554e93

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_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:testlumma
Create hunting rule
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 8b6e3557e6e5483b95601d2636498c2d289b644f751251edb384659e1a554e93

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3570130/
  
Delivery method
Distributed via web download

Comments