MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3631b17e11c957f5817773d55d2b6bb17be668252648728ce2c392ce2d90755d. 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: 10


Intelligence 10 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3631b17e11c957f5817773d55d2b6bb17be668252648728ce2c392ce2d90755d
SHA3-384 hash: 5e0f82550ca9a92c154939dd3453d4caacff9f9021cdb0b6207fa0e22ffe92a298ea2334f9d7523beddb2122978c6321
SHA1 hash: 24aaf8538bded91b915bea848f1ce9fce0412af6
MD5 hash: 8a62f1c4b55921d6209779796c50c6ae
humanhash: potato-yankee-equal-uranus
File name:x-3.2-.Sakura
Download: download sample
Signature Gafgyt
Create hunting rule
File size:84'999 bytes
First seen:2025-12-06 19:26:34 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 1536:yrJkUd4N/BKFuWuxL4hWL8D/G0TVmF+wVOz+sXcfW7k:okUd4hBKFFui0gzzVmEwVOz+ucfW7k
TLSH T1E9833B01E643C6B3CC8307B2029BAE665931BDBA0E2A9F45F35E7DF46B128C47116B55
telfhash t1d211020260b689282bb259205cbc42f1165526233341be75bf0ec5c4993b002aa78e8b
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):
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.Trojan.Gafgyt-6981156-0
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.Gafgyt-9809564-0
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/6934839cbba50eaf04248534/reports/c8ae8396-6195-4023-a45a-6d78f7db5cce/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-12-06T17:38:00Z UTC
Last seen:
2025-12-07T02:15:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/3631b17e11c957f5817773d55d2b6bb17be668252648728ce2c392ce2d90755d/results?tab=lookup
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/893d8b95-f9e1-43db-9f48-69b21873b177
Result
Threat name:
Gafgyt, Mirai
Create hunting rule
Detection:
malicious
Classification:
spre.troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1828052
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
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/3631b17e11c957f5817773d55d2b6bb17be668252648728ce2c392ce2d90755d
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3631b17e11c957f5817773d55d2b6bb17be668252648728ce2c392ce2d90755d/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-12-06 19:27:45 UTC
File Type:
ELF32 Little (Exe)
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=gyy3c7qrzfl7lalxopkv2k3lwf56m2bfezehfdhcyojm4lmqovoq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt discovery linux
Link:
https://tria.ge/reports/251206-x6al9asjgv/
Behaviour
Reads system network configuration
Reads system routing table
Malware Config
C2 Extraction:
108.136.241.40:12345
Verdict:
Malicious
Tags:
botnet trojan gafgyt Unix.Trojan.Gafgyt-6981156-0
YARA:
botnet_dayzddos Linux_Trojan_Gafgyt_28a2fe0c Linux_Trojan_Gafgyt_6122acdf Linux_Trojan_Gafgyt_1b2e2a3a Linux_Trojan_Gafgyt_9127f7be Linux_Gafgyt_May_2024
Link:
https://app.threat.zone/submission/b194d842-0272-4515-9822-bb32703c416e
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
Link:
https://yomi.yoroi.company/submissions/3631b17e11c957f5817773d55d2b6bb17be668252648728ce2c392ce2d90755d

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: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: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_1b2e2a3a
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_6122acdf
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_9127f7be
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 3631b17e11c957f5817773d55d2b6bb17be668252648728ce2c392ce2d90755d

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3728030/
  
Delivery method
Distributed via web download

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