MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 637a147af100d6cb5ae28d8fe133b1fd6837d5cf7b213da5dbc9a6fce9036a0c. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 637a147af100d6cb5ae28d8fe133b1fd6837d5cf7b213da5dbc9a6fce9036a0c
SHA3-384 hash: 0669701ebc9388c09d118a97d54ab8941a8e4d1761a8ae8f1e12ed571942af4473c1ecf4d3aae745fed828f105682b56
SHA1 hash: 98dfb8fcd04b24349c16fdf9f2fc1728f76d1a03
MD5 hash: 62f1cd1a581d3d7023635bb50e6c57b8
humanhash: nine-ceiling-may-shade
File name:m-p.s-l.SNOOPY
Download: download sample
Signature Gafgyt
Create hunting rule
File size:113'275 bytes
First seen:2026-02-12 05:01:43 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:ZLeTikthhSMOCMQS+ZjN4pjuIxreg2OZN2eDo/TUmkiSFxfC7xbXe:ZhHC3S+dUreoNTDiTUmkiSFxfKxbXe
TLSH T1F8B3C517AB618FB7C85FCE3306AA850120CDA55612E97B6FB2B4D92CE74B84F08D3D54
telfhash t107110c4371fa895c2bf249249cbc43b0265026237382beb0bf0dc6c05937002b979e8f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence

File Origin
# of uploads :
1
# of downloads :
53
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

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

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Trojan.Gafgyt-7785026-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Receives data from a server
Sends data to a server
Connection attempt
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
mips
Packer:
not packed
Botnet:
unknown
Number of open files:
7
Number of processes launched:
1
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/637a147af100d6cb5ae28d8fe133b1fd6837d5cf7b213da5dbc9a6fce9036a0c
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-02-12T02:21:00Z UTC
Last seen:
2026-02-12T12:53:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.a HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/637a147af100d6cb5ae28d8fe133b1fd6837d5cf7b213da5dbc9a6fce9036a0c/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/26e8bc67-f7b1-414b-b513-9643da77b73d
Behavior Graph:
Download SVG
%3 guuid=600f799a-1a00-0000-bba2-f392930a0000 pid=2707 /usr/bin/sudo guuid=9129c19d-1a00-0000-bba2-f3929f0a0000 pid=2719 /tmp/sample.bin guuid=600f799a-1a00-0000-bba2-f392930a0000 pid=2707->guuid=9129c19d-1a00-0000-bba2-f3929f0a0000 pid=2719 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/84b287ea-2a07-47de-a45c-2bde81915f69
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1868085
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/637a147af100d6cb5ae28d8fe133b1fd6837d5cf7b213da5dbc9a6fce9036a0c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/637a147af100d6cb5ae28d8fe133b1fd6837d5cf7b213da5dbc9a6fce9036a0c/
Verdict:
Malicious
Threat:
Family.GAFGYT
Link:
https://tip.neiki.dev/file/637a147af100d6cb5ae28d8fe133b1fd6837d5cf7b213da5dbc9a6fce9036a0c
Threat name:
Linux.Network.LightAidra
Create hunting rule
Status:
Malicious
First seen:
2026-02-12 05:02:34 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 24 (75.00%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=mn5bi6xradlmwwxcrwh6cm5r7vudpvoppmqt3jo3zgtpz2idniga._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt discovery
Link:
https://tria.ge/reports/260212-fn8b5aas4b/
Behaviour
Reads system network configuration
Reads system routing table
Malware Config
C2 Extraction:
146.19.191.131:23
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/637a147af100d6cb5ae28d8fe133b1fd6837d5cf7b213da5dbc9a6fce9036a0c

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_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_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there 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

Gafgyt

elf 637a147af100d6cb5ae28d8fe133b1fd6837d5cf7b213da5dbc9a6fce9036a0c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3776180/
  
Delivery method
Distributed via web download

Comments