MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f5fb396d9829625a5fcfdf0e71369a539f3d8811a1cb9239e36b4213f07669ea. 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: f5fb396d9829625a5fcfdf0e71369a539f3d8811a1cb9239e36b4213f07669ea
SHA3-384 hash: 3eb84d13d183373b3b7ccee85ac2416b81079feba4d4817746abc720bc2c4e7fc12d9fec55fba1f90f76fa21d5b52065
SHA1 hash: 577f20f5cf663e29cd33a3b49bda128ba566a949
MD5 hash: 037b83f73fcc311e7c553a0302472a66
humanhash: stairway-south-wyoming-tennis
File name:arm6
Download: download sample
Signature Gafgyt
File size:120'100 bytes
First seen:2025-03-28 22:37:40 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:hR9ERp+6tlrJm8smWA8y5TS1un5L7MuBR6BcnbON1qFdG:hR9ERp+6tlJRwyRMIR6OnW1r
TLSH T113C3F799B8909F66C5D116BFFE1E828D33231BB8E3DA3103DD146B2037CA95A0E7B551
Magika elf
Reporter abuse_ch
Tags:elf gafgyt

Intelligence


File Origin
# of uploads :
1
# of downloads :
69
Origin country :
DE DE
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Unmounts file systems
Kills processes
Creating a file
Substitutes an application name
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:
95
Number of processes launched:
4
Processes remaning?
true
Remote TCP ports scanned:
23
Behaviour
Anti-VM
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
type: 74.125.250.129:19302
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: 1651550 Sample: arm6.elf Startdate: 28/03/2025 Architecture: LINUX Score: 52 12 daisy.ubuntu.com 2->12 14 Multi AV Scanner detection for submitted file 2->14 7 arm6.elf 2->7         started        signatures3 process4 signatures5 16 Sample reads /proc/mounts (often used for finding a writable filesystem) 7->16 10 arm6.elf 7->10         started        process6
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2025-03-28 22:38:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
13 of 24 (54.17%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery
Behaviour
Reads runtime system information
Changes its process name
Reads process memory
Enumerates running processes
Renames itself
Contacts a large (31279) amount of remote hosts
Creates a large amount of network flows
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 f5fb396d9829625a5fcfdf0e71369a539f3d8811a1cb9239e36b4213f07669ea

(this sample)

  
Delivery method
Distributed via web download

Comments