MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f42803eab74d911c451ba243f92fa339781b0abb7c2cd77fe7840d087ce84f2. 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 2 File information Comments

SHA256 hash: 5f42803eab74d911c451ba243f92fa339781b0abb7c2cd77fe7840d087ce84f2
SHA3-384 hash: 55a3e318392e5dc23f7b8e411ff45ef439ec868b8d058036fc575ac93f846e3445368a78257bc2fdddfd069324e55d28
SHA1 hash: 450b4227ec722161fcbd123cf52291f7b965f73e
MD5 hash: 4d1876953fa7ad8165e14fd695cbdd67
humanhash: purple-kansas-seven-cold
File name:arm6
Download: download sample
Signature Gafgyt
File size:115'520 bytes
First seen:2025-04-14 05:02:06 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:h8LmOwtkq2Zl8nCH+ReEHmb+9+fLOOL0jhMdq:h8K5tkq0WnBd9uLnLShz
TLSH T11DB30999B8919F66C5D606BFFE1F528D33231BB8E3DA7207CD046B24368A55A4E3F500
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
141
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
DNS request
Sends data to a server
Opens a port
Creating a file
Mounts file systems
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
expand lolbin remote
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: 1664350 Sample: arm6.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 arm6.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 arm6.elf 7->14         started        process6
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-04-14 05:03:11 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 5f42803eab74d911c451ba243f92fa339781b0abb7c2cd77fe7840d087ce84f2

(this sample)

  
Delivery method
Distributed via web download

Comments