MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fc306d13987da53e3359c2a823dd5c629fb04f7969937afb6c482d58f6a13166. 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 13 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fc306d13987da53e3359c2a823dd5c629fb04f7969937afb6c482d58f6a13166
SHA3-384 hash: 73248e4c982067b93a7ab73472f82a0aa9709d02694ee7e25f4ea58e3c0738da531d8627d54b90923d167053a3025ec7
SHA1 hash: 9786e39088a956faec1f6859bdd79bfbe23b8100
MD5 hash: feedddb1c9de359104f433be98e6cad5
humanhash: social-saturn-illinois-fruit
File name:yakuza.i586
Download: download sample
Signature Gafgyt
Create hunting rule
File size:87'860 bytes
First seen:2026-02-06 18:04:07 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:T4bEkXUgMcRUz1OfbIYpIOvXceEQ9E3+MKA3+5hCK4+7she0QzUzJYQ2Wk:MbTUg5UBOjINOvseE6E31a5hCw7Ue0Ql
TLSH T15C834A829641DAB3D1931AF512AB9B150132FA3F1E1BDEA2F31C3CF08F125857265BD9
telfhash t1c421d043aab68a6c6ff3582498bc06b11592a6237250af70ef5ec1809d37002b475e8b
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 :
30
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.Gafgyt-6981154-0
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:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc masquerade obfuscated
Link:
https://www.filescan.io/uploads/69862d3e930564ff3c8fe0b6/reports/cf4eb188-faf7-4f9d-8236-bf3ef1658df6/overview
Result
Gathering data
Verdict:
Malicious
File Type:
elf.32.le
Link:
https://opentip.kaspersky.com/fc306d13987da53e3359c2a823dd5c629fb04f7969937afb6c482d58f6a13166/results?tab=lookup
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4bd4e290-692c-4f45-a2db-bdc0c3313b78
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1864921
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1864921 Sample: yakuza.i586.elf Startdate: 06/02/2026 Architecture: LINUX Score: 96 17 158.94.210.187, 23, 33426 JANETJiscServicesLimitedGB United Kingdom 2->17 19 185.125.190.26, 443 CANONICAL-ASGB United Kingdom 2->19 21 Suricata IDS alerts for network traffic 2->21 23 Found malware configuration 2->23 25 Malicious sample detected (through community Yara rule) 2->25 27 4 other signatures 2->27 9 yakuza.i586.elf 2->9         started        signatures3 process4 process5 11 yakuza.i586.elf 9->11         started        process6 13 yakuza.i586.elf 11->13         started        process7 15 yakuza.i586.elf 13->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fc306d13987da53e3359c2a823dd5c629fb04f7969937afb6c482d58f6a13166
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fc306d13987da53e3359c2a823dd5c629fb04f7969937afb6c482d58f6a13166/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-02-06 17:37:14 UTC
File Type:
ELF32 Little (Exe)
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7qyg2e4ypwst4m2zykuchxk4mkp3at3zngjxv63mjawvr5vbgfta._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/260206-wnvc9sfy8e/
Behaviour
Changes its process name
Writes DNS configuration
Malware Config
C2 Extraction:
158.94.210.187:23
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/fc306d13987da53e3359c2a823dd5c629fb04f7969937afb6c482d58f6a13166

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:CP_Script_Inject_Detector
Create hunting rule
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
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_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 fc306d13987da53e3359c2a823dd5c629fb04f7969937afb6c482d58f6a13166

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3773169/
  
Delivery method
Distributed via web download

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