MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a4c7e43308dacca54cd80d82071cb5a997d5c9198be94d14925389da05d62455. 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 2 File information Comments

SHA256 hash: a4c7e43308dacca54cd80d82071cb5a997d5c9198be94d14925389da05d62455
SHA3-384 hash: cd4f637a3bc7dfb5af1bb6e819c15d9130506602a8bc1eba1577f2d15603af1970e916ac5d47217aa630bc378b2a31c7
SHA1 hash: 577ee6e722e6327d9c006a7c4ca3648186f4c2a6
MD5 hash: 3d2e41202f3c6a5a6ef809fa19dae166
humanhash: avocado-burger-oven-december
File name:arm5
Download: download sample
Signature Gafgyt
File size:112'864 bytes
First seen:2025-04-13 23:47:04 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:HYnBstEu4qTr94LXxAmWnSZP9S7/a2EulEiZeChpdF:HYnKtEuJKLRFS7a2E0EiZxhl
TLSH T163B30999B8919F66C5D606BFFE1F929D33231BB8E3DA7207DD046B24378A55A093F400
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
156
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Runs as daemon
Connection attempt
Receives data from a server
DNS request
Opens a port
Sends data to a server
Mounts file systems
Creating a file
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
61
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj
Score:
52 / 100
Signature
Multi AV Scanner detection for submitted file
Sample reads /proc/mounts (often used for finding a writable filesystem)
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1664290 Sample: arm5.elf Startdate: 14/04/2025 Architecture: LINUX Score: 52 16 109.202.202.202, 80 INIT7CH Switzerland 2->16 18 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->18 20 2 other IPs or domains 2->20 22 Multi AV Scanner detection for submitted file 2->22 7 arm5.elf 2->7         started        10 dash rm 2->10         started        12 dash rm 2->12         started        signatures3 process4 signatures5 24 Sample reads /proc/mounts (often used for finding a writable filesystem) 7->24 14 arm5.elf 7->14         started        process6
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-04-13 23:47:11 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  7/10
Tags:
credential_access defense_evasion discovery
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Modifies Watchdog functionality
Renames itself
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:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
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 a4c7e43308dacca54cd80d82071cb5a997d5c9198be94d14925389da05d62455

(this sample)

  
Delivery method
Distributed via web download

Comments