MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 76218b2ead0430cac431b3a083d8ac1e3245e78b3582ff1434cbe297df25d779. 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: 8


Intelligence 8 IOCs YARA 4 File information Comments

SHA256 hash: 76218b2ead0430cac431b3a083d8ac1e3245e78b3582ff1434cbe297df25d779
SHA3-384 hash: 046a7479e09685615df5f1ad840fca5ea7a50b743ffcba701ef7c1cfb594b779e044c72ecfcece707bc2ceffae07cce7
SHA1 hash: 30218dc1b5a3c68f15d22fa4c57c1c0b8b83977b
MD5 hash: 3e0bc7c61cdd8849ebbd7222f966133e
humanhash: october-avocado-five-thirteen
File name:arm4
Download: download sample
Signature Gafgyt
File size:63'760 bytes
First seen:2025-12-02 09:14:11 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 768:0WxHNAAkh60EofRDJFgSOhXFWUec2iRxElK0cENgpeiBmS1/cd+MaaSwKrAgDd:7HNg3P3FgSOh1MhiRx1Zxe4GADj35
TLSH T1F653F905F950871FC6D277BBF75E039D373A5A58A79B33116A382EB03BC5BA42939120
telfhash t17401bd74a432962e1c425d788dcc56b02438370767159eb6de36c4c895308a0f22fe1e
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 mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
27
Origin country :
DE DE
Vendor Threat Intelligence
Malware configuration found for:
Mirai
Details
Mirai
an XOR decryption key and at least a c2 socket address
Gathering data
Result
Gathering data
Result
Threat name:
n/a
Detection:
malicious
Classification:
spre.evad
Score:
68 / 100
Signature
Contains symbols with names commonly found in malware
Multi AV Scanner detection for submitted file
Sample deletes itself
Sample tries to kill a massive number of system processes
Sample tries to kill multiple processes (SIGKILL)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1824244 Sample: arm4.elf Startdate: 02/12/2025 Architecture: LINUX Score: 68 22 199.119.185.95 ZC38-AS1US United States 2->22 24 58.98.118.118 XEPHIONNTT-MECorporationJP Japan 2->24 26 99 other IPs or domains 2->26 32 Multi AV Scanner detection for submitted file 2->32 34 Contains symbols with names commonly found in malware 2->34 8 arm4.elf 2->8         started        10 python3.8 dpkg 2->10         started        12 python3.8 dpkg 2->12         started        signatures3 process4 process5 14 arm4.elf 8->14         started        signatures6 36 Sample deletes itself 14->36 17 arm4.elf 14->17         started        20 arm4.elf 14->20         started        process7 signatures8 28 Sample tries to kill a massive number of system processes 17->28 30 Sample tries to kill multiple processes (SIGKILL) 17->30
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-12-02 06:42:51 UTC
File Type:
ELF32 Little (Exe)
AV detection:
10 of 36 (27.78%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  1/10
Tags:
n/a
Verdict:
Malicious
Tags:
Unix.Trojan.Mirai-6981158-0
YARA:
n/a
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_Mirai
Author:NDA0E
Description:Detects multiple Mirai variants
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 76218b2ead0430cac431b3a083d8ac1e3245e78b3582ff1434cbe297df25d779

(this sample)

  
Delivery method
Distributed via web download

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