MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 afb0641b156c8f45751f7b0c5624702cdbcf6f90a3ae9bcdb9cecbe295b43634. 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: 11


Intelligence 11 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: afb0641b156c8f45751f7b0c5624702cdbcf6f90a3ae9bcdb9cecbe295b43634
SHA3-384 hash: 94acda471f970ce35245fffe28e647220bdee60159d8ef22bbd6b6e171d916e0b5236a34479464ee5008c21d7df2af01
SHA1 hash: b4496369a65f5bf628833fffe26a5d300dafcdc0
MD5 hash: 452e1997be9f2eb66a0525da55c86502
humanhash: stairway-diet-pizza-louisiana
File name:x86_64
Download: download sample
Signature Gafgyt
Create hunting rule
File size:79'736 bytes
First seen:2025-06-11 04:17:44 UTC
Last seen:2025-06-11 16:55:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 1536:52Z3hQ5zgi6LXYz1Dd9tt6z6WBn8COqBEG7:QZ3hQyijiz6Kn8C77
TLSH T186735C3B4691E4BEC09B62B56ACFC6D2EA23B53907336146B3D0BE257FA54C49D4C342
telfhash t17c2136118c7b0b093ef29a5c7cafa6c551a169193a306db1cf68c44c852f07be172be9
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

Intelligence

File Origin
# of uploads :
2
# of downloads :
64
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-9879277-0
Create hunting rule

Unix.Trojan.Mirai-5607483-0
Create hunting rule

Verdict:
Malicious
Score:
70%
Link:
https://cyber-fortress.com/docs/result/index.php?id=684903a78bd5d68a12e79fe5linux22vpnfull_triage
Tags:
overt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Connection attempt
Kills processes
Sends data to a server
Receives data from a server
Runs as daemon
Substitutes an application name
Performs a bruteforce attack in the network
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
3
Number of processes launched:
1
Processes remaning?
true
Remote TCP ports scanned:
23
Full report:
https://elfdigest.com/brief/afb0641b156c8f45751f7b0c5624702cdbcf6f90a3ae9bcdb9cecbe295b43634
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Mirai
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0adad950-d5f1-4da8-b86e-54e4a4937394
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
72 / 100
Link:
https://www.joesandbox.com/analysis/1711851
Signature
Contains symbols with names commonly found in malware
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
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1711851 Sample: x86_64.elf Startdate: 11/06/2025 Architecture: LINUX Score: 72 22 108.12.105.102, 23 UUNETUS United States 2->22 24 63.127.8.190, 23 UUNETUS United States 2->24 26 98 other IPs or domains 2->26 28 Malicious sample detected (through community Yara rule) 2->28 30 Multi AV Scanner detection for submitted file 2->30 32 Yara detected Gafgyt 2->32 34 Contains symbols with names commonly found in malware 2->34 9 x86_64.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        signatures3 process4 signatures5 36 Opens /proc/net/* files useful for finding connected devices and routers 9->36 16 x86_64.elf 9->16         started        process6 process7 18 x86_64.elf 16->18         started        process8 20 x86_64.elf 18->20         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/afb0641b156c8f45751f7b0c5624702cdbcf6f90a3ae9bcdb9cecbe295b43634
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/afb0641b156c8f45751f7b0c5624702cdbcf6f90a3ae9bcdb9cecbe295b43634/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-06-11 04:18:33 UTC
File Type:
ELF64 Little (Exe)
AV detection:
23 of 38 (60.53%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=v6ygigyvnshuk5i7pmgfmjdqftn4634quoxjxtnzz3f6ffnugy2a._file
Result
Malware family:
n/a
Score:
  9/10
Tags:
credential_access discovery linux
Link:
https://tria.ge/reports/250611-ew4s8syydy/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Reads process memory
Creates a large amount of network flows
Enumerates running processes
Reads system routing table
Contacts a large (4376) amount of remote hosts
Verdict:
Malicious
Tags:
trojan gafgyt Unix.Trojan.Gafgyt-9879277-0
YARA:
Linux_Trojan_Gafgyt_a6a2adb9 Linux_Trojan_Gafgyt_9e9530a7 Linux_Trojan_Gafgyt_f3d83a74 Linux_Trojan_Gafgyt_807911a2 Linux_Trojan_Gafgyt_e0673a90 Linux_Trojan_Gafgyt_d4227dbf Linux_Trojan_Gafgyt_09c3070e Linux_Trojan_Gafgyt_46eec778 Linux_Trojan_Gafgyt_656bf077 Linux_Trojan_Gafgyt_148b91a2 Linux_Trojan_Gafgyt_620087b9 Linux_Trojan_Gafgyt_dd0d6173 Linux_Trojan_Gafgyt_779e142f Linux_Trojan_Gafgyt_cf84c9f2 Linux_Trojan_Gafgyt_33b4111a Linux_Trojan_Gafgyt_862c4e0e Linux_Trojan_Gafgyt_32eb0c81 Linux_Trojan_Gafgyt_9abf7e0c
Link:
https://app.threat.zone/submission/bccb987c-ccd9-4f3e-8386-52c08cfcb752
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/afb0641b156c8f45751f7b0c5624702cdbcf6f90a3ae9bcdb9cecbe295b43634

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_Trojan_Gafgyt_09c3070e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_148b91a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_32eb0c81
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_33b4111a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_46eec778
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_620087b9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_656bf077
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_779e142f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_807911a2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_862c4e0e
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9abf7e0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9e9530a7
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_a6a2adb9
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_cf84c9f2
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_d4227dbf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_dd0d6173
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_e0673a90
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_f3d83a74
Create hunting rule
Author:Elastic Security
Rule name:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Create hunting rule
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 afb0641b156c8f45751f7b0c5624702cdbcf6f90a3ae9bcdb9cecbe295b43634

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3560492/
  
Delivery method
Distributed via web download

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings
IDTitleSeverity
CHECK_PIEMissing Position-Independent Executable (PIE) Protectionhigh

Comments