MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fcb31c49e5999e34641413c6789b8fb018deb257059f36262a73b145c3632577. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fcb31c49e5999e34641413c6789b8fb018deb257059f36262a73b145c3632577
SHA3-384 hash: 5c07458f0ba54c20cd882a88d1c512ae42837f48a1320c2bb4d98a564959e87ba5a9104cd3217d7c8b09273955d3d029
SHA1 hash: a5d1d08ffd10bd973052a2bd8c3fd8dbc508485b
MD5 hash: dc93194eee692e084b5b6ec6661bdfd0
humanhash: social-lima-oven-hotel
File name:arm61
Download: download sample
Signature Gafgyt
Create hunting rule
File size:139'585 bytes
First seen:2025-06-16 16:32:34 UTC
Last seen:2025-06-17 14:04:38 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:Sdf+fvEqa9FazYA7IboRh6e391CErktmCQA9FX9aH:ifWEqa9FaNh6e3DrktmCQA9Z9aH
TLSH T1B0D31905F460875BC2D217BAB68A425D37231F7893CB33256A34BEB42FE1B981E79531
telfhash t1cc21fe46a5fa86685ff76920adbc47b508521b137652bf706f09c5c01c7b002a93addb
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
2
# of downloads :
80
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

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

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Dropper.Mirai-7138857-0
Create hunting rule

Unix.Trojan.Mirai-7582945-0
Create hunting rule

Unix.Trojan.Mirai-9917488-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=685048dc8bd5d68a12e8f1aelinux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sends data to a server
Connection attempt
Gains root access
Receives data from a server
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/fcb31c49e5999e34641413c6789b8fb018deb257059f36262a73b145c3632577
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 205.185.124.206:23
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/c47b0646-a207-4413-8a4e-02070ded98a3
Behavior Graph:
Download SVG
%3 guuid=5d7cfcac-1900-0000-5652-5fb965080000 pid=2149 /usr/bin/sudo guuid=10ba9cae-1900-0000-5652-5fb96c080000 pid=2156 /tmp/sample.bin guuid=5d7cfcac-1900-0000-5652-5fb965080000 pid=2149->guuid=10ba9cae-1900-0000-5652-5fb96c080000 pid=2156 execve
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/fb3f07bc-85e1-41aa-a10a-f5490604c2a4
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1715724
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1715724 Sample: arm61.elf Startdate: 16/06/2025 Architecture: LINUX Score: 100 20 205.185.124.206, 23, 55200 PONYNETUS United States 2->20 22 daisy.ubuntu.com 2->22 24 Suricata IDS alerts for network traffic 2->24 26 Found malware configuration 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 4 other signatures 2->30 10 arm61.elf 2->10         started        signatures3 process4 process5 12 arm61.elf 10->12         started        process6 14 arm61.elf 12->14         started        process7 16 arm61.elf 14->16         started        process8 18 arm61.elf 16->18         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fcb31c49e5999e34641413c6789b8fb018deb257059f36262a73b145c3632577
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fcb31c49e5999e34641413c6789b8fb018deb257059f36262a73b145c3632577/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-06-16 16:36:55 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7szryspftgpdizaucpdhrg4pwamn5msxawptmjrkooyulq3dev3q._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion
Link:
https://tria.ge/reports/250616-t4mx1saq2w/
Behaviour
Changes its process name
Modifies Watchdog functionality
Malware Config
C2 Extraction:
205.185.124.206:23
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_6a510422 Linux_Trojan_Gafgyt_d2953f92
Link:
https://app.threat.zone/submission/0e20e07d-6b1d-4705-91f2-c40ab4454e7e
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/fcb31c49e5999e34641413c6789b8fb018deb257059f36262a73b145c3632577

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_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d2dca9e7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6a510422
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Linux_Trojan_Gafgyt_d2953f92
Create hunting rule
Author:Elastic Security
Reference:14cc92b99daa0c91aa09d9a7996ee5549a5cacd7be733960b2cf3681a7c2b628
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
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

Gafgyt

elf fcb31c49e5999e34641413c6789b8fb018deb257059f36262a73b145c3632577

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3560299/
  
Delivery method
Distributed via web download

Comments