MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 506d9a1fd8b8f9b2c67c14c42161fd2601528bb317bffb6596b71ed4f8d8b793. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 506d9a1fd8b8f9b2c67c14c42161fd2601528bb317bffb6596b71ed4f8d8b793
SHA3-384 hash: 28bff9df7750b56eab9e16c8f469d3c6e707a74e5d2fc9ed41fa43636dd0b49a9437bc35755f2336e7213b4fa334f1e7
SHA1 hash: 4313a5158c9a55805752844098a482afb3b84dcf
MD5 hash: 55771f11407fca3c3bc92ed5240a153e
humanhash: moon-washington-high-violet
File name:yakuza.arm4
Download: download sample
Signature Gafgyt
Create hunting rule
File size:50'922 bytes
First seen:2026-02-24 19:54:38 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:mjf1+qDUOulvQ+nozmReC4uu7JgoKshC6OwS0qx+:pqDUOulvQ+nozm8CWJgpwSJ+
TLSH T16E33B648FC84676A4BE1B6FBFB1843CEB72B0788B3D731124A3A1B6033C5B65657A114
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 :
56
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt masquerade mirai rust
Link:
https://www.filescan.io/uploads/699e022710e80629d4f0c4e1/reports/42d4d5f6-219b-405f-88bf-3b3db5f4286c/overview
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:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/506d9a1fd8b8f9b2c67c14c42161fd2601528bb317bffb6596b71ed4f8d8b793
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Verdict:
Unknown
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/506d9a1fd8b8f9b2c67c14c42161fd2601528bb317bffb6596b71ed4f8d8b793/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/903b4878-bb3b-4d77-a7fa-c1900ed6e4d7
Behavior Graph:
Download SVG
%3 guuid=d8555f63-1700-0000-6749-19d0960a0000 pid=2710 /usr/bin/sudo guuid=bc504e65-1700-0000-6749-19d09c0a0000 pid=2716 /tmp/sample.bin guuid=d8555f63-1700-0000-6749-19d0960a0000 pid=2710->guuid=bc504e65-1700-0000-6749-19d09c0a0000 pid=2716 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/8c8ae240-f4d5-4aac-84ae-938868f3a77d
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1874338
Signature
Antivirus / Scanner detection for submitted sample
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1874338 Sample: yakuza.arm4.elf Startdate: 24/02/2026 Architecture: LINUX Score: 56 14 169.254.169.254, 80 USDOSUS Reserved 2->14 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 3 other IPs or domains 2->18 20 Antivirus / Scanner detection for submitted sample 2->20 22 Multi AV Scanner detection for submitted file 2->22 6 python3.8 dpkg 2->6         started        8 dash rm 2->8         started        10 dash rm 2->10         started        12 yakuza.arm4.elf 2->12         started        signatures3 process4
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/506d9a1fd8b8f9b2c67c14c42161fd2601528bb317bffb6596b71ed4f8d8b793
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/506d9a1fd8b8f9b2c67c14c42161fd2601528bb317bffb6596b71ed4f8d8b793/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-02-24 19:55:21 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kbwzuh6yxd43frt4ctcccyp5eyavfc5tc677wzmww4pnj6gyw6jq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Link:
https://tria.ge/reports/260224-ym865sas3e/
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/506d9a1fd8b8f9b2c67c14c42161fd2601528bb317bffb6596b71ed4f8d8b793

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_Threat_d94e1020
Create hunting rule
Author:Elastic Security

File information

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

Web download

Gafgyt

elf 506d9a1fd8b8f9b2c67c14c42161fd2601528bb317bffb6596b71ed4f8d8b793

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3759954/
  
Delivery method
Distributed via web download

Comments