MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b84a54d3f1b1e459d4eb0414d5d8305053c54a1b0bd6501c146d73a34b4bfe2c. 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: 7


Intelligence 7 IOCs YARA 17 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b84a54d3f1b1e459d4eb0414d5d8305053c54a1b0bd6501c146d73a34b4bfe2c
SHA3-384 hash: ad882cba05fcb6aa685b0585b05746afc0b0f41254af400007f46130d127d35211e7e82054a25f960903b3701e2b45ac
SHA1 hash: 7a75256f45dda15bba33f9c79beb728c321f825a
MD5 hash: fc091dcd670512338ef4c8438bfdad4b
humanhash: mexico-fanta-green-lithium
File name:openssh
Download: download sample
Signature Gafgyt
Create hunting rule
File size:140'225 bytes
First seen:2025-12-01 20:41:37 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:B1E8x83QHjqmgjHmhQXnd5hZttT5I7mAK0qW6MyoQ6:/E8q3QeXrHXnd5hZvT5SmAK0qW6MyoQ6
TLSH T1BCD34A37E4518F73C0836AB11C6AAD310F1595D31BAF268A267857F08B4F5CA744EFA8
telfhash t12221419271f6ca2d3bb389746cbc43b52242b5132341bf75af0ec5c85433052a924dcb
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 :
61
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Tsunami-6981155-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

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

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

Unix.Trojan.Gafgyt-7643791-0
Create hunting rule

Unix.Tool.Generic-7660959-0
Create hunting rule

Unix.Trojan.Mirai-8041683-0
Create hunting rule

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

Unix.Malware.Mirai-9885121-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

Unix.Trojan.Gafgyt-10016892-0
Create hunting rule

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/692dfdac49f2b421aaf781ca/reports/c7a75151-c740-4ef7-9271-f8be61934c7b/overview
Result
Gathering data
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/d778045b-319f-4b1b-bd7b-0eeb8d6f31fc
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1823934
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Found malware configuration
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
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1823934 Sample: openssh.elf Startdate: 01/12/2025 Architecture: LINUX Score: 100 21 82.22.184.67, 4444, 50840 NTLGB United Kingdom 2->21 23 34.243.160.129, 36190, 443 AMAZON-02US United States 2->23 25 2 other IPs or domains 2->25 27 Suricata IDS alerts for network traffic 2->27 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 5 other signatures 2->33 8 openssh.elf 2->8         started        11 dash rm 2->11         started        13 dash grep 2->13         started        15 2 other processes 2->15 signatures3 process4 signatures5 35 Opens /proc/net/* files useful for finding connected devices and routers 8->35 17 openssh.elf 8->17         started        process6 process7 19 openssh.elf 17->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b84a54d3f1b1e459d4eb0414d5d8305053c54a1b0bd6501c146d73a34b4bfe2c
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b84a54d3f1b1e459d4eb0414d5d8305053c54a1b0bd6501c146d73a34b4bfe2c/
Threat name:
Linux.Trojan.LnxGafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-01 20:42:19 UTC
File Type:
ELF32 Little (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=xbffju7rwhsftvhlaqknlwbqkbj4ksq3bplfahaunvz2gs2l7ywa._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/251201-zg46nswjcq/
Malware Config
C2 Extraction:
82.22.184.67:4444
Verdict:
Malicious
Tags:
botnet kaiten trojan gafgyt Unix.Trojan.Tsunami-6981155-0
YARA:
botnet_dedsec botnet_RyM botnet_Kaiten botnet_unknown botnet_Vixaati botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_ea92cca8 Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/4655ece4-96bd-4b94-a87d-3fc0d6909c3c
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:botnet_dayzddos
Create hunting rule
Author:NDA0E
Description:dayzddos botnet
Rule name:botnet_dedsec
Create hunting rule
Author:NDA0E
Description:dedsec botnet
Rule name:botnet_Kaiten
Create hunting rule
Author:NDA0E
Description:Kaiten botnet
Rule name:botnet_mortem_qbot_gafgyt
Create hunting rule
Author:cip
Description:Some strings that stand out from a publicly-available botnet source code (Mortem-qBot-Botnet-Src)
Rule name:botnet_RyM
Create hunting rule
Author:NDA0E
Description:RyM botnet
Rule name:botnet_unknown
Create hunting rule
Author:NDA0E
Description:unknown botnet
Rule name:botnet_Vixaati
Create hunting rule
Author:NDA0E
Description:Vixaati botnet
Rule name:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
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 b84a54d3f1b1e459d4eb0414d5d8305053c54a1b0bd6501c146d73a34b4bfe2c

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3722475/
  
Delivery method
Distributed via web download

Comments