MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fd99e5955b454c6fdd911426afb0a4d1283f537915c0a4409dde4b04962c786a. 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 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: fd99e5955b454c6fdd911426afb0a4d1283f537915c0a4409dde4b04962c786a
SHA3-384 hash: 2986034027db8f6d9af25b3c19de19a9bcf8e80e902297ec2621b6a9231c7cfdb2e16454bdb13dde2d6ad15ba8e608c3
SHA1 hash: bdf82ac9defa9f660e855c6f2aaffb48a19d0ad7
MD5 hash: d48e8ff24842dc7acafded0e86adb1d7
humanhash: cold-berlin-aspen-one
File name:mips
Download: download sample
Signature Gafgyt
Create hunting rule
File size:33'344 bytes
First seen:2025-12-26 01:25:25 UTC
Last seen:2025-12-26 03:56:28 UTC
File type: elf
MIME type:application/x-executable
ssdeep 768:nmQSRhK6y2j3CX+V9H2Ig88S7pGpkPBJgGlzDpxYsC:mQSRhK6y2OuLH2m6krVrY5
TLSH T121E2E17D1E40E6F9D833A93923BA13B148791FE137169C0A9B72E7236E42A533593DD0
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 :
2
# of downloads :
72
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Unix.Trojan.DarkNexus-7679166-0
Create hunting rule

Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gafgyt
Link:
https://www.filescan.io/uploads/694de4373f8fdbf8e9524095/reports/a4eb16eb-dea1-47c2-a704-d90a6c194aa4/overview
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/124e4aab-8079-4d94-a30d-e0c93a919b0e
Behavior Graph:
Download SVG
%3 guuid=cf6963fd-1a00-0000-db8c-3a95430e0000 pid=3651 /usr/bin/sudo guuid=78801bff-1a00-0000-db8c-3a95440e0000 pid=3652 /tmp/sample.bin guuid=cf6963fd-1a00-0000-db8c-3a95430e0000 pid=3651->guuid=78801bff-1a00-0000-db8c-3a95440e0000 pid=3652 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/5c78fe8b-1366-4a06-9d01-9d1bf61385e5
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
48 / 100
Link:
https://www.joesandbox.com/analysis/1839581
Signature
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/fd99e5955b454c6fdd911426afb0a4d1283f537915c0a4409dde4b04962c786a
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/fd99e5955b454c6fdd911426afb0a4d1283f537915c0a4409dde4b04962c786a/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Suspicious
First seen:
2025-12-26 01:26:17 UTC
File Type:
ELF32 Big (Exe)
AV detection:
11 of 36 (30.56%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=7wm6lfk3ivgg7xmrcqtk7mfe2eud6u3zcxakiqe53zfqjfrmpbva._file
Result
Malware family:
n/a
Score:
  6/10
Tags:
discovery
Link:
https://tria.ge/reports/251226-btmkdscq3z/
Behaviour
Reads runtime system information
System Network Configuration Discovery
Reads system network configuration
Reads system routing table
Verdict:
Malicious
Tags:
Unix.Trojan.DarkNexus-7679166-0
YARA:
n/a
Link:
https://app.threat.zone/submission/6c5173c8-8cc9-483e-b7e5-baa586fa32ce
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/fd99e5955b454c6fdd911426afb0a4d1283f537915c0a4409dde4b04962c786a

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:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:upx_antiunpack_elf32
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:UPX Anti-Unpacking technique to magic renamed for ELF32

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Gafgyt

elf fd99e5955b454c6fdd911426afb0a4d1283f537915c0a4409dde4b04962c786a

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3738659/
  
Delivery method
Distributed via web download

Comments