MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f731f941252cd966c385776c45d39b8de8e855a661bde42dd09af784dc48624. 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: 9


Intelligence 9 IOCs YARA 14 File information Comments

SHA256 hash: 8f731f941252cd966c385776c45d39b8de8e855a661bde42dd09af784dc48624
SHA3-384 hash: 5103b24c78b76a2c46db0171b75f2a5680e068b89b15205f406d794c9b761f2f5cbe538ae9f52c37c297934e63e2f14b
SHA1 hash: 5ec2208fe3d5febe42bd32f5e5dd79cc2e6b8136
MD5 hash: 1447cbb56b3992598f5c9616b986acbe
humanhash: juliet-july-jupiter-cola
File name:x86_64
Download: download sample
Signature Gafgyt
File size:159'808 bytes
First seen:2026-03-23 21:33:50 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:KutjvRZUqT6TdI21T5Fo+620gTmLcIoWqhiqBKaPJYpyXjq28:9tjMWW5Fo+62zTksBhPdzqJ
TLSH T1C1F34A17B89484FDC496C23C4BEEA626DA25F84DA034B12F2B957F267D9CF209B1D701
telfhash t19161cd382ea5795872c3e347b34fde2efc7708444ee77499ae5b7680dd036840c29422
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 :
86
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Result
Verdict:
Suspicious
Maliciousness:

Behaviour
Traces processes
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
expand lolbin mirai
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
1
Number of processes launched:
2
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-Debugging
Information Gathering
Process Inject
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=2aeb5e8a-1800-0000-8d84-4c76e30c0000 pid=3299 /usr/bin/sudo guuid=b3f3678c-1800-0000-8d84-4c76e80c0000 pid=3304 /tmp/sample.bin guuid=2aeb5e8a-1800-0000-8d84-4c76e30c0000 pid=3299->guuid=b3f3678c-1800-0000-8d84-4c76e80c0000 pid=3304 execve guuid=2f8e7d8c-1800-0000-8d84-4c76ea0c0000 pid=3306 /tmp/sample.bin guuid=b3f3678c-1800-0000-8d84-4c76e80c0000 pid=3304->guuid=2f8e7d8c-1800-0000-8d84-4c76ea0c0000 pid=3306 clone
Result
Threat name:
n/a
Detection:
malicious
Classification:
evad
Score:
60 / 100
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sample deletes itself
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1887909 Sample: x86_64.elf Startdate: 23/03/2026 Architecture: LINUX Score: 60 11 Malicious sample detected (through community Yara rule) 2->11 13 Multi AV Scanner detection for submitted file 2->13 6 x86_64.elf 2->6         started        process3 signatures4 15 Sample deletes itself 6->15 9 x86_64.elf 6->9         started        process5
Threat name:
Linux.Trojan.Gafgyt
Status:
Suspicious
First seen:
2026-03-23 21:34:17 UTC
File Type:
ELF64 Little (Exe)
AV detection:
8 of 36 (22.22%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  3/10
Tags:
discovery linux
Behaviour
Reads runtime system information
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:jackskid_ddos_botnet
Author:Nokia Deepfield ERT
Description:Jackskid/RCtea DDoS botnet - all variants
Reference:https://blog.xlab.qianxin.com/analysis-of-rctea-botnet/
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_0cd591cd
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a33a8363
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d996d335
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_1cb033f3
Author:Elastic Security
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
Rule name:unixredflags3
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 8f731f941252cd966c385776c45d39b8de8e855a661bde42dd09af784dc48624

(this sample)

  
Delivery method
Distributed via web download

Comments