MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f904aa6c4f4f1d025499c8df8666f2cb6997772224b923d846e32467ffb9e020. 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 15 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: f904aa6c4f4f1d025499c8df8666f2cb6997772224b923d846e32467ffb9e020
SHA3-384 hash: 41bc5dd0b5842bc7e29414b08729eba2f431acc29e55258e56e07955a6d6a02cc87b0f0c481a5774288eab4ecbabc885
SHA1 hash: 90976f0f6b858ab479b1d1e02aebe939b8744920
MD5 hash: cb41c9b4b1afdb951a4e3a937afcdc5a
humanhash: ceiling-alaska-sodium-hydrogen
File name:assailant.i586
Download: download sample
Signature Gafgyt
Create hunting rule
File size:99'709 bytes
First seen:2025-05-04 14:36:18 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:dUICodUWUh917j8mc2deiPUDAZURyPfH5hVTFvxinf0OzTyoQQub:tdRu917j8mc2H5Z5Pf5h1pxinf0OzTyv
TLSH T147A34A82A780D5B3D19306F6129B8B150133FB3F4A6B9EA6F35D3CF48B509C57221B99
telfhash t11a21c14396f68b2c6fb3587468bc47a11552a6237260bf70af5ec1409d37006b579e8f
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 :
1
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Dropper.Mirai-7138855-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

Unix.Dropper.Mirai-7139232-0
Create hunting rule

Unix.Proxy.Mirai-7844054-0
Create hunting rule

Unix.Trojan.Mirai-9853183-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Unix.Trojan.Mirai-9907057-0
Create hunting rule

Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68177e68432e243ac3e3ee75linux22vpnfull_triage
Tags:
gafgyt mirai ddos
Result
Verdict:
Malware
Maliciousness:

Behaviour
Gains root access
Substitutes an application name
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
x86
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
46
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/f904aa6c4f4f1d025499c8df8666f2cb6997772224b923d846e32467ffb9e020
Behaviour
Process Renaming
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/1a84f439-acee-4d41-aca1-c6c1c102c535
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1680822
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1680822 Sample: assailant.i586.elf Startdate: 04/05/2025 Architecture: LINUX Score: 88 37 109.202.202.202, 80 INIT7CH Switzerland 2->37 39 91.189.91.42, 443 CANONICAL-ASGB United Kingdom 2->39 41 91.189.91.43, 443 CANONICAL-ASGB United Kingdom 2->41 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 3 other signatures 2->49 15 assailant.i586.elf 2->15         started        signatures3 process4 process5 17 assailant.i586.elf 15->17         started        process6 19 assailant.i586.elf 17->19         started        process7 21 assailant.i586.elf 19->21         started        23 assailant.i586.elf 19->23         started        process8 25 assailant.i586.elf 21->25         started        process9 27 assailant.i586.elf 25->27         started        process10 29 assailant.i586.elf 27->29         started        process11 31 assailant.i586.elf 29->31         started        process12 33 assailant.i586.elf 31->33         started        process13 35 assailant.i586.elf 33->35         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/f904aa6c4f4f1d025499c8df8666f2cb6997772224b923d846e32467ffb9e020
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/f904aa6c4f4f1d025499c8df8666f2cb6997772224b923d846e32467ffb9e020/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-05-04 08:25:42 UTC
File Type:
ELF32 Little (Exe)
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7ecku3cpj4oqevezzdpymzxsznuzo5zces4shwcg4msgp75z4aqa._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/250504-ry63lafm4v/
Behaviour
Changes its process name
Verdict:
Malicious
Tags:
trojan gafgyt mirai Unix.Trojan.Gafgyt-6981154-0
YARA:
Linux_Trojan_Gafgyt_c573932b Linux_Trojan_Gafgyt_5bf62ce4 Linux_Trojan_Gafgyt_750fe002 Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_30444846 Linux_Trojan_Gafgyt_71e487ea Linux_Trojan_Gafgyt_7167d08f Linux_Trojan_Gafgyt_20f5e74f Linux_Trojan_Mirai_389ee3e9 elf_bashlite_auto
Link:
https://app.threat.zone/submission/69d8bf2f-a97a-43ac-b0cd-47039eed1613
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
BASHLITE
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/f904aa6c4f4f1d025499c8df8666f2cb6997772224b923d846e32467ffb9e020

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
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_20f5e74f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_30444846
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_5bf62ce4
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_7167d08f
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_71e487ea
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_750fe002
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_c573932b
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Mirai_389ee3e9
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:NET
Create hunting rule
Author:malware-lu
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 f904aa6c4f4f1d025499c8df8666f2cb6997772224b923d846e32467ffb9e020

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3534643/
  
Delivery method
Distributed via web download

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