MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66e4fcb261c495abb11544ca3bb28238433851a45b247f27d0a00e24f0f7bfad. 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 9 File information Comments

SHA256 hash: 66e4fcb261c495abb11544ca3bb28238433851a45b247f27d0a00e24f0f7bfad
SHA3-384 hash: 0519f5df21823e5ebbe3fadd9119e758bbb6484f6ee1a3829730e64fdbb2c49f64f2fc9a90d44f4ae50214352c5647b4
SHA1 hash: 776838c592cc8239047e5bd0524ecbcbcb8de62b
MD5 hash: 20f9c2d833a740d788419126ea274e85
humanhash: grey-bluebird-oven-freddie
File name:2016Nwjarm5
Download: download sample
Signature Gafgyt
File size:213'566 bytes
First seen:2026-01-26 17:27:15 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 6144:5KZ1/q+yyJ01ONgi6OG1lKAUymzDxmpbZK6kZibykT/tD2xG:5KZ1/q+vc3i6n1BoNmpbZK6kMbykT/t3
TLSH T120242A01B9518F53C5C31BBBBB9F46583736A728D7DB3301EA18AFB42F4668E1E29141
telfhash t18f916219993d48e9ef630c1d586dabe21497b52a32b67f19ff25cec0094e429f248d0b
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
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
anti-vm anti-vm gafgyt gcc rust tsunami
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
true
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
2
Number of processes launched:
3
Processes remaning?
false
Remote TCP ports scanned:
not identified
Behaviour
Anti-VM
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Result
Gathering data
Status:
terminated
Behavior Graph:
%3 guuid=6ec123b9-1800-0000-53a9-ed1cc6090000 pid=2502 /usr/bin/sudo guuid=942f77bb-1800-0000-53a9-ed1cca090000 pid=2506 /tmp/sample.bin guuid=6ec123b9-1800-0000-53a9-ed1cc6090000 pid=2502->guuid=942f77bb-1800-0000-53a9-ed1cca090000 pid=2506 execve
Result
Threat name:
Detection:
malicious
Classification:
troj
Score:
68 / 100
Signature
Connects to many ports of the same IP (likely port scanning)
Found malware configuration
Multi AV Scanner detection for submitted file
Yara detected Gafgyt
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1857765 Sample: 2016Nwjarm5.elf Startdate: 26/01/2026 Architecture: LINUX Score: 68 17 78.142.228.144, 38020, 38024, 38028 ANCHGLOBAL-AS-APAnchnetAsiaLimitedHK Netherlands 2->17 19 34.254.182.186, 443, 44548 AMAZON-02US United States 2->19 21 Found malware configuration 2->21 23 Multi AV Scanner detection for submitted file 2->23 25 Yara detected Gafgyt 2->25 27 Connects to many ports of the same IP (likely port scanning) 2->27 7 2016Nwjarm5.elf 2->7         started        9 dash rm 2->9         started        11 dash grep 2->11         started        13 dash rm 2->13         started        signatures3 process4 process5 15 2016Nwjarm5.elf 7->15         started       
Threat name:
Linux.Backdoor.Gafgyt
Status:
Malicious
First seen:
2026-01-26 17:14:12 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 36 (41.67%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:gafgyt
Malware Config
C2 Extraction:
78.142.228.144:65483
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:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:ELF_Toriilike_persist
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:enterpriseunix2
Author:Tim Brown @timb_machine
Description:Enterprise UNIX
Rule name:linux_generic_ipv6_catcher
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Generic_Threat_d94e1020
Author:Elastic Security
Rule name:setsockopt
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:unixredflags3
Author:Tim Brown @timb_machine
Description:Hunts for UNIX red flags
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques

File information


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

Web download

Gafgyt

elf 66e4fcb261c495abb11544ca3bb28238433851a45b247f27d0a00e24f0f7bfad

(this sample)

  
Delivery method
Distributed via web download

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