MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4d45c2019de60043a2ab17a93249e26e90d0987fd9606dba34e62ca0340b02f. 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: 9


Intelligence 9 IOCs YARA 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: b4d45c2019de60043a2ab17a93249e26e90d0987fd9606dba34e62ca0340b02f
SHA3-384 hash: f1c1f5d7f2eea35d1f1422506434c57dd96b824b819bc9edaff7e83186a1ea3ef9f7277cd6ad4a9c1de273687d38d887
SHA1 hash: 39297acdd3d95ec76abad7edfa0a77018c067f1a
MD5 hash: 5bc2bda37773c456b56a873da8832b0b
humanhash: salami-steak-tennis-network
File name:assailant.arm5
Download: download sample
Signature Gafgyt
Create hunting rule
File size:120'867 bytes
First seen:2026-06-20 12:52:47 UTC
Last seen:2026-06-20 15:35:24 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:3FDcpqlgQSnoHymKg7ucpGQZVY5hLTsvnEDXlSSYz3oCxDQlD6ObAF5R:5ucpfPY5hLTsvQr+oCxDQlD6ObAF5R
TLSH T169C3F705FC404B27C7D23BBAF79E438D773566586BD73311AA296EF02BC5B882939160
telfhash t1c321e343a6f68b2c6fb3587468fc46a11552a5237260bf70ef5ec1409d37006b579e8f
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 BlinkzSec
Tags:gafgyt

Intelligence

File Origin
# of uploads :
2
# of downloads :
63
Origin country :
SE SE
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-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.Tsunami-9396652-0
Create hunting rule

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

Unix.Trojan.Mirai-10033529-0
Create hunting rule

Unix.Trojan.Mirai-10034904-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2026-06-20T10:14:00Z UTC
Last seen:
2026-06-22T05:23:00Z 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/b4d45c2019de60043a2ab17a93249e26e90d0987fd9606dba34e62ca0340b02f/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/04120a76-ee05-40c5-84f9-abc676cb3646
Behavior Graph:
Download SVG
%3 guuid=cde40593-1a00-0000-2c6c-056a000a0000 pid=2560 /usr/bin/sudo guuid=82987b95-1a00-0000-2c6c-056a080a0000 pid=2568 /tmp/sample.bin guuid=cde40593-1a00-0000-2c6c-056a000a0000 pid=2560->guuid=82987b95-1a00-0000-2c6c-056a080a0000 pid=2568 execve
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/f25a0a18-af55-4a2c-9d96-888de5e00c6f
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/b4d45c2019de60043a2ab17a93249e26e90d0987fd9606dba34e62ca0340b02f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/b4d45c2019de60043a2ab17a93249e26e90d0987fd9606dba34e62ca0340b02f/
Verdict:
Malicious
Threat:
Family.MIRAI
Link:
https://tip.neiki.dev/file/b4d45c2019de60043a2ab17a93249e26e90d0987fd9606dba34e62ca0340b02f
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2026-06-20 12:49:31 UTC
File Type:
ELF32 Little (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=wtkfyiaz3zqaiorkwf5jgje6e3uq2cmh7wlanw5djzrmua2awaxq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt botnet
Link:
https://tria.ge/reports/260620-p4z55aez9n/
Malware Config
C2 Extraction:
203.159.90.249:42516
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/b4d45c2019de60043a2ab17a93249e26e90d0987fd9606dba34e62ca0340b02f

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_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
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 b4d45c2019de60043a2ab17a93249e26e90d0987fd9606dba34e62ca0340b02f

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3868146/
  
Delivery method
Distributed via web download

Comments