MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5fa43c2b8aee99dd792e8bf612c01aa85c62476ccde7c0834d286da7c78b4956. 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: 12


Intelligence 12 IOCs YARA 13 File information Comments 1

SHA256 hash: 5fa43c2b8aee99dd792e8bf612c01aa85c62476ccde7c0834d286da7c78b4956
SHA3-384 hash: af057e5efb29550584c5438d26ea26698500a19fed2764d1c2b28edbdfe4dc51eafdc560b12abb867bfd4661635713aa
SHA1 hash: 14fb843f941c16fddc450b02eb2799d0ff588df2
MD5 hash: 3da482958072bb01219f451fef9900c7
humanhash: social-florida-london-yankee
File name:3da482958072bb01219f451fef9900c7
Download: download sample
Signature Gafgyt
File size:104'138 bytes
First seen:2024-05-04 08:37:27 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:wW8FUmgujld6Mkxm6AJ+4fsHmmFVcqq0GnDZT:wJFv4Lm6AJ+4fsHmmFVcqq0GnDZT
TLSH T150A3F872E643CAB2C4430AF201A7DA6B0D21BE6B0A7A5A85F31C7CB09F334C57655F59
telfhash t195317722553546142fb3d928acfd56b315222b2363587f716f26c48c49370e2e93dd4f
TrID 50.1% (.) ELF Executable and Linkable format (Linux) (4022/12)
49.8% (.O) ELF Executable and Linkable format (generic) (4000/1)
Reporter zbetcheckin
Tags:32 elf gafgyt intel mirai

Intelligence


File Origin
# of uploads :
1
# of downloads :
102
Origin country :
FR FR
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Receives data from a server
Sends data to a server
Connection attempt
Substitutes an application name
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
anti-debug gafgyt lolbin mirai remote
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:
4
Processes remaning?
true
Remote TCP ports scanned:
not identified
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
type:Gafgyt 93.123.85.120:1312
UDP botnet C2(s):
not identified
Result
Threat name:
Gafgyt, Mirai
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Snort IDS alert for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Threat name:
Linux.Trojan.Gafgyt
Status:
Malicious
First seen:
2024-05-04 02:41:08 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt linux
Behaviour
Changes its process name
Reads system network configuration
Reads system routing table
Modifies Watchdog functionality
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:Linux_Gafgyt_Generic_A
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Trojan_Gafgyt_1b2e2a3a
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_27de1106
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_83715433
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f51c5ac3
Author:Elastic Security
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
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 5fa43c2b8aee99dd792e8bf612c01aa85c62476ccde7c0834d286da7c78b4956

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2024-05-04 08:37:28 UTC

url : hxxp://93.123.85.120/i686