MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b2f8ebce7369a8ea0de60f55f330ca6221d05505c9f0a9d1ebe5fac654145645. 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 8 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b2f8ebce7369a8ea0de60f55f330ca6221d05505c9f0a9d1ebe5fac654145645
SHA3-384 hash: 3a3ad51e7d1f7e47e773a8be5e150247ae88bea00d004fab83191118c44647a6b313ee6edd62d98ae509c886739b5a41
SHA1 hash: 22fd7bec9ba251f0fa8c8b5f2c69024275c670a2
MD5 hash: a9ca3c7ab1ff4f5f2c71a3a987b7f037
humanhash: earth-ten-timing-idaho
File name:a-r.m-7.Sakura
Download: download sample
Signature Gafgyt
Create hunting rule
File size:93'907 bytes
First seen:2025-12-30 05:25:32 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:9QK1n/zXzxuPz5tq57MBtcaKECp/dC1k+8qMLumXxVqDrstKfz9e:99bzI9dtcaT0gMLumXxVqDrIKfz9e
TLSH T156933A47B71C0B53C59B5AF12DAB3BF08B69B9E013D76185A10AEFD00372EB12512FA5
telfhash t17011d04270bac91d2bb659245cbc42b5165536236381be75bf0ec5c45537002ba79e8f
Magika elf
Reporter abuse_ch
Tags:elf gafgyt mirai

Intelligence

File Origin
# of uploads :
1
# of downloads :
84
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

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

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

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

Unix.Dropper.Mirai-7138865-0
Create hunting rule

Unix.Dropper.Mirai-7138907-0
Create hunting rule

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

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

Unix.Trojan.Mirai-9801524-0
Create hunting rule

Unix.Trojan.Gafgyt-9875100-0
Create hunting rule

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

Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
gcc
Link:
https://www.filescan.io/uploads/6953627765e07687fdf2d14e/reports/c57350b5-d142-4ec4-a4a1-1ca6961d470e/overview
Verdict:
Malicious
File Type:
elf.32.be
First seen:
2025-12-30T02:30:00Z UTC
Last seen:
2025-12-30T09:09:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Mirai.h HEUR:Backdoor.Linux.Gafgyt.cw HEUR:Backdoor.Linux.Gafgyt.cq HEUR:Backdoor.Linux.Gafgyt.bj
Link:
https://opentip.kaspersky.com/b2f8ebce7369a8ea0de60f55f330ca6221d05505c9f0a9d1ebe5fac654145645/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/b6530c0f-7aab-42ca-ac88-890386a6fb4e
Behavior Graph:
Download SVG
%3 guuid=9a6ec2dd-1a00-0000-50d3-dfa5790a0000 pid=2681 /usr/bin/sudo guuid=99991be0-1a00-0000-50d3-dfa5800a0000 pid=2688 /tmp/sample.bin guuid=9a6ec2dd-1a00-0000-50d3-dfa5790a0000 pid=2681->guuid=99991be0-1a00-0000-50d3-dfa5800a0000 pid=2688 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/07c7b009-3f4a-49b5-a6ad-4ef9a03798f4
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1841949
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
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
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b2f8ebce7369a8ea0de60f55f330ca6221d05505c9f0a9d1ebe5fac654145645
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b2f8ebce7369a8ea0de60f55f330ca6221d05505c9f0a9d1ebe5fac654145645/
Verdict:
Malicious
Threat:
Family.GAFGYT
Link:
https://tip.neiki.dev/file/b2f8ebce7369a8ea0de60f55f330ca6221d05505c9f0a9d1ebe5fac654145645
Threat name:
Linux.Worm.Mirai
Create hunting rule
Status:
Malicious
First seen:
2025-12-30 05:26:18 UTC
File Type:
ELF32 Big (Exe)
AV detection:
23 of 36 (63.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wl4oxtttnguoudpgb5k7gmgkmiq5avifzhyktupl4x5mmvaukzcq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt linux
Link:
https://tria.ge/reports/251230-f4zd6abm8y/
Malware Config
C2 Extraction:
185.221.199.34:12345
Verdict:
Malicious
Tags:
botnet trojan gafgyt Unix.Dropper.Mirai-7138865-0
YARA:
botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/20c00319-cb20-4d98-bdb1-34716a4671d5
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.00
Link:
https://yomi.yoroi.company/submissions/b2f8ebce7369a8ea0de60f55f330ca6221d05505c9f0a9d1ebe5fac654145645

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
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: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 b2f8ebce7369a8ea0de60f55f330ca6221d05505c9f0a9d1ebe5fac654145645

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3746194/
  
Delivery method
Distributed via web download

Comments