MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b951c92d9a0490201ecd3bf75cb9ddc792f3b6ca2d4140cce413d819053dee58. 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


Gafgyt


Vendor detections: 12


Intelligence 12 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b951c92d9a0490201ecd3bf75cb9ddc792f3b6ca2d4140cce413d819053dee58
SHA3-384 hash: 503d29654a5a904f499e4e00756f8e2bc4b8cc0829d631340c7706a2908038bd28a6e1038f16d7b727dada9f262fd999
SHA1 hash: d8971224fa1398718dc26c4e18fcfa300f8a2bc4
MD5 hash: c0f7226af7f35de01ced4e95cf1e54fb
humanhash: carpet-timing-yellow-red
File name:armv4l
Download: download sample
Signature Gafgyt
Create hunting rule
File size:356'287 bytes
First seen:2026-06-19 07:21:36 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:cYCHtb55g9wjotAXOrGmy4PaQCCW6iGzNb:9CNb5qwjJXmy4PanCW6iGzNb
TLSH T1FC749523D8154595D1615CF322273389AD0B87BF89E732D3EE2A59A0BF2051F52BEEC1
telfhash t18b317851a43556192fb3da28ecbc57f311112a2353582e716f26c0cc44370e1fa39d0f
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

Intelligence

File Origin
# of uploads :
1
# of downloads :
61
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Link:
https://research.acce.ciphertechsolutions.com/results/8bc20da1-fa6d-41c7-a8ba-bd9cef0cf2a9/
Detection(s):
Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Mirai-6981169-0
Create hunting rule

Unix.Dropper.Mirai-7135944-0
Create hunting rule

Unix.Dropper.Mirai-7135945-0
Create hunting rule

Unix.Dropper.Mirai-7136018-0
Create hunting rule

Unix.Dropper.Mirai-7136031-0
Create hunting rule

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Trojan.Mirai-8041683-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

Unix.Dropper.Gafgyt-9762292-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-10035004-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
explorer gcc lolbin rust
Link:
https://www.filescan.io/uploads/6a34ee079de4cf364c0e91a8/reports/8107fa4b-5496-431f-a4b4-10032f880274/overview
Verdict:
Malicious
File Type:
elf.32.le
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Mirai.b HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Gafgyt.a
Link:
https://opentip.kaspersky.com/b951c92d9a0490201ecd3bf75cb9ddc792f3b6ca2d4140cce413d819053dee58/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/0c05851f-732a-4768-b2a0-998da3334314
Behavior Graph:
Download SVG
%3 guuid=c388e422-1b00-0000-37f3-8f50ba0a0000 pid=2746 /usr/bin/sudo guuid=3d8f2c26-1b00-0000-37f3-8f50bc0a0000 pid=2748 /tmp/sample.bin guuid=c388e422-1b00-0000-37f3-8f50ba0a0000 pid=2746->guuid=3d8f2c26-1b00-0000-37f3-8f50bc0a0000 pid=2748 execve
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9a4293bb-1226-4c68-939c-d6f4968a72d9
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
92 / 100
Link:
https://www.joesandbox.com/analysis/1930915
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1930915 Sample: armv4l.elf Startdate: 19/06/2026 Architecture: LINUX Score: 92 28 89.33.192.131, 1234, 45694, 45696 VIRMACH-VirtualMachineSolutionsLLCUS United States 2->28 30 169.254.169.254, 80 USDOS-USDepartmentofStateUS ZZ 2->30 32 daisy.ubuntu.com 2->32 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 3 other signatures 2->40 9 armv4l.elf 2->9         started        12 python3.8 dpkg 2->12         started        signatures3 process4 signatures5 42 Opens /proc/net/* files useful for finding connected devices and routers 9->42 14 armv4l.elf 9->14         started        16 armv4l.elf 9->16         started        18 armv4l.elf 9->18         started        process6 process7 20 armv4l.elf 14->20         started        22 armv4l.elf 14->22         started        24 armv4l.elf 16->24         started        process8 26 armv4l.elf 20->26         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b951c92d9a0490201ecd3bf75cb9ddc792f3b6ca2d4140cce413d819053dee58
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b951c92d9a0490201ecd3bf75cb9ddc792f3b6ca2d4140cce413d819053dee58/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b951c92d9a0490201ecd3bf75cb9ddc792f3b6ca2d4140cce413d819053dee58
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-06-19 07:22:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 36 (52.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xfi4slm2asicahwnhp3vzoo5y6jphnwkfvaubthecpmbsbj55zma._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt botnet
Link:
https://tria.ge/reports/260619-h64srsfz5t/
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/b951c92d9a0490201ecd3bf75cb9ddc792f3b6ca2d4140cce413d819053dee58

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:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_dedsec
Create hunting rule
Author:NDA0E
Description:dedsec botnet
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:ScanStringsInsocks5systemz
Create hunting rule
Author:Byambaa@pubcert.mn
Description:Scans presence of the found strings using the in-house brute force method
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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: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

Gafgyt

elf b951c92d9a0490201ecd3bf75cb9ddc792f3b6ca2d4140cce413d819053dee58

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3865541/
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3865553/

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