MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1ff3a7eb9e3f77487a2b92a4fa58cee4220726bc4e06547e0a49707af6ee1a6. 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: 8


Intelligence 8 IOCs YARA 9 File information Comments
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SHA256 hash: a1ff3a7eb9e3f77487a2b92a4fa58cee4220726bc4e06547e0a49707af6ee1a6
SHA3-384 hash: 8292d4a5df5c329a37b87f7e130109a21cca05e3ddd61f184040a03cfa23fdb2348c980f0560b78cde0f26961b1418bb
SHA1 hash: 643ba3f28faa7b9491b0284791f14ed98116c73c
MD5 hash: ba7ed3c283c7e6db1ebe2e4cda1037f5
humanhash: seventeen-emma-louisiana-gee
File name:sh4
Download: download sample
Signature Gafgyt
Create hunting rule
File size:108'415 bytes
First seen:2026-04-18 01:48:33 UTC
Last seen:2026-04-19 01:10:55 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:btTQn622oNI8zpUS5hLwtOCwLkY0Px9gQNfR:btc6Vs/US5hLwtOLLkY0Px9gQNfR
TLSH T15EB33A0798615F77C045ADB529AB5530072BBA120F4F1F99B57CAAF4074F8CEB40EBA4
telfhash t19c21e34396f68b2c6fb3587468bc46a11552a5237260bf70ef5ec1449d37005b479d8f
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 :
137
Origin country :
DE DE
Vendor Threat Intelligence
No detections
Detection(s):
Sanesecurity.Malware.30395.LC.UNOFFICIAL
Create hunting rule

Unix.Trojan.Gafgyt-6981154-0
Create hunting rule

Unix.Dropper.Mirai-7136288-0
Create hunting rule

Unix.Dropper.Mirai-7138855-0
Create hunting rule

Unix.Dropper.Mirai-7139223-0
Create hunting rule

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

Unix.Proxy.Mirai-7844054-0
Create hunting rule

Unix.Trojan.Mirai-9864781-0
Create hunting rule

Unix.Malware.Mirai-9885121-0
Create hunting rule

Unix.Trojan.Gafgyt-10016892-0
Create hunting rule

Gathering data
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-04-17T22:52:00Z UTC
Last seen:
2026-04-19T19:15:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.Linux.Gafgyt.fh HEUR:Backdoor.Linux.Gafgyt.f HEUR:Backdoor.Linux.Gafgyt.bl HEUR:Backdoor.Linux.Gafgyt.bj HEUR:Backdoor.Linux.Gafgyt.a
Link:
https://opentip.kaspersky.com/a1ff3a7eb9e3f77487a2b92a4fa58cee4220726bc4e06547e0a49707af6ee1a6/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/81745f34-910e-44a4-b09e-b7e76b727858
Behavior Graph:
Download SVG
%3 guuid=c1bc37a5-1a00-0000-8754-232cf30a0000 pid=2803 /usr/bin/sudo guuid=fddba7a8-1a00-0000-8754-232cf40a0000 pid=2804 /tmp/sample.bin guuid=c1bc37a5-1a00-0000-8754-232cf30a0000 pid=2803->guuid=fddba7a8-1a00-0000-8754-232cf40a0000 pid=2804 execve
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/e0add639-3055-4bfb-a3ac-8e45329452de
Result
Threat name:
Gafgyt, Mirai
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Detection:
malicious
Classification:
troj
Score:
96 / 100
Link:
https://www.joesandbox.com/analysis/1900527
Signature
Antivirus / Scanner detection for submitted sample
Found malware configuration
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1900527 Sample: sh4.elf Startdate: 18/04/2026 Architecture: LINUX Score: 96 21 85.11.167.21, 45660, 666 BG-SOFCOMPANY-ASBG Bulgaria 2->21 23 169.254.169.254, 80 USDOSUS Reserved 2->23 25 daisy.ubuntu.com 2->25 27 Suricata IDS alerts for network traffic 2->27 29 Found malware configuration 2->29 31 Malicious sample detected (through community Yara rule) 2->31 33 4 other signatures 2->33 9 sh4.elf 2->9         started        11 python3.8 dpkg 2->11         started        signatures3 process4 process5 13 sh4.elf 9->13         started        process6 15 sh4.elf 13->15         started        process7 17 sh4.elf 15->17         started        19 sh4.elf 15->19         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a1ff3a7eb9e3f77487a2b92a4fa58cee4220726bc4e06547e0a49707af6ee1a6
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a1ff3a7eb9e3f77487a2b92a4fa58cee4220726bc4e06547e0a49707af6ee1a6/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/a1ff3a7eb9e3f77487a2b92a4fa58cee4220726bc4e06547e0a49707af6ee1a6
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-04-18 01:49:40 UTC
File Type:
ELF32 Little (Exe)
AV detection:
27 of 38 (71.05%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=uh7tu7vz4p3xjb5cxeve7jmm5zbca4tlytqgkr7auslqpl3o4gta._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt botnet linux
Link:
https://tria.ge/reports/260418-b8xznsew9z/
Malware Config
C2 Extraction:
85.11.167.21:666
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/a1ff3a7eb9e3f77487a2b92a4fa58cee4220726bc4e06547e0a49707af6ee1a6

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:ELF_Toriilike_persist
Create hunting rule
Author:4r4
Description:Detects Torii IoT Botnet (stealthier Mirai alternative)
Reference:Identified via researched data
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:linux_generic_ipv6_catcher
Create hunting rule
Author:@_lubiedo
Description:ELF samples using IPv6 addresses
Rule name:Linux_Trojan_Gafgyt_30444846
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:NET
Create hunting rule
Author:malware-lu
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
Rule name:TH_Generic_MassHunt_Linux_Malware_2026_CYFARE
Create hunting rule
Author:CYFARE
Description:Generic Linux malware mass-hunt rule - 2026
Reference:https://cyfare.net/
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 a1ff3a7eb9e3f77487a2b92a4fa58cee4220726bc4e06547e0a49707af6ee1a6

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3824787/
  
Delivery method
Distributed via web download

Comments