MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 42c305a25b61d95365a8e28f42aff6512fb12158d46310a92d8c846df164dacb. 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: 6


Intelligence 6 IOCs YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 42c305a25b61d95365a8e28f42aff6512fb12158d46310a92d8c846df164dacb
SHA3-384 hash: e14a07e9dde1ac35d961a99333aa8193a91f0cdd0b3456bfaada79cd0b45c017216716725166061fe7f4b213b61ff528
SHA1 hash: 9a5a0ad5bbb57a41ae550f8bcd05b2789c2aa660
MD5 hash: 3414f8a7f3468845241bce5250883b16
humanhash: music-vegan-utah-social
File name:linux_arm64
Download: download sample
Signature Gafgyt
Create hunting rule
File size:6'815'892 bytes
First seen:2026-02-22 16:45:14 UTC
Last seen:2026-02-22 17:54:01 UTC
File type: elf
MIME type:application/x-executable
ssdeep 98304:JiXm443RvrhmHtGpZpPf+DH66S3TUUSrpBztEV:Jkm443RvrhwK1QBrpZ+V
TLSH T105666BC9BC1D6462D5CAB7752F2312D93639BC088F42C7232614BF7DAAB23598F13661
gimphash e3b0c44298fc1c149afbf4c8996fb92427ae41e4649b934ca495991b7852b855
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 :
42
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
0
Number of processes launched:
0
Processes remaning?
false
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/42c305a25b61d95365a8e28f42aff6512fb12158d46310a92d8c846df164dacb
Behaviour
no suspicious findings
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/211aa964-82c3-47b6-bfb3-d917b2c9e05f
Behavior Graph:
Download SVG
%3 guuid=396390f4-1800-0000-2e19-37160c0a0000 pid=2572 /usr/bin/sudo guuid=2b4c1bf6-1800-0000-2e19-3716110a0000 pid=2577 /tmp/sample.bin guuid=396390f4-1800-0000-2e19-37160c0a0000 pid=2572->guuid=2b4c1bf6-1800-0000-2e19-3716110a0000 pid=2577 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/60d832a4-dd8d-4529-a8ca-063bc0bf5aeb
Result
Threat name:
n/a
Detection:
malicious
Classification:
n/a
Score:
56 / 100
Link:
https://www.joesandbox.com/analysis/1873117
Signature
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1873117 Sample: linux_arm64.elf Startdate: 22/02/2026 Architecture: LINUX Score: 56 17 169.254.169.254, 80 USDOSUS Reserved 2->17 19 178.215.236.28, 48508, 48510, 48512 LVLT-10753US Germany 2->19 21 daisy.ubuntu.com 162.213.35.24, 37200, 443 CANONICAL-ASGB United States 2->21 23 Malicious sample detected (through community Yara rule) 2->23 25 Multi AV Scanner detection for submitted file 2->25 7 linux_arm64.elf 2->7         started        9 udisksd dumpe2fs 2->9         started        11 udisksd dumpe2fs 2->11         started        13 python3.8 dpkg 2->13         started        signatures3 process4 process5 15 linux_arm64.elf bash mount 7->15         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/42c305a25b61d95365a8e28f42aff6512fb12158d46310a92d8c846df164dacb
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/42c305a25b61d95365a8e28f42aff6512fb12158d46310a92d8c846df164dacb/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-02-22 16:46:26 UTC
File Type:
ELF64 Little (Exe)
AV detection:
3 of 36 (8.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=ilbqlis3mhmvgzni4khufl7wkex3ciky2rrrbkjnrscg34le3lfq._file
Result
Malware family:
n/a
Score:
  1/10
Tags:
linux
Link:
https://tria.ge/reports/260222-t9l8nshx5b/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.30
Link:
https://yomi.yoroi.company/submissions/42c305a25b61d95365a8e28f42aff6512fb12158d46310a92d8c846df164dacb

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_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza 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:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:DetectGoMethodSignatures
Create hunting rule
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:Detect_Go_GOMAXPROCS
Create hunting rule
Author:Obscurity Labs LLC
Description:Detects Go binaries by the presence of runtime.GOMAXPROCS in the runtime metadata
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:GoBinTest
Create hunting rule
Rule name:golang
Create hunting rule
Rule name:golang_binary_string
Create hunting rule
Description:Golang strings present
Rule name:Golang_Find_CSC846
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:Golang_Find_CSC846_Simple
Create hunting rule
Author:Ashar Siddiqui
Description:Find Go Signatuers
Rule name:identity_golang
Create hunting rule
Author:Eric Yocam
Description:find Golang malware
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:ProgramLanguage_Golang
Create hunting rule
Author:albertzsigovits
Description:Application written in Golang programming language
Rule name:RANSOMWARE
Create hunting rule
Author:ToroGuitar
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Create hunting rule
Author:vietdx.mb
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 42c305a25b61d95365a8e28f42aff6512fb12158d46310a92d8c846df164dacb

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3783672/
  
Delivery method
Distributed via web download

Comments