MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a3f19136a23e2bbcea7a7764604207162053314f46e99901182ec76f9c0d4349. 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 11 File information Comments
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SHA256 hash: a3f19136a23e2bbcea7a7764604207162053314f46e99901182ec76f9c0d4349
SHA3-384 hash: 2b3bc3f59e7b85179f75890ae619fbb2ebbcaf66775a154499ee41173939b6f63e90966a2569b4e8447aad786a90e057
SHA1 hash: 8bbf1be8395a0c71113e7035511f537a8f42c328
MD5 hash: b09b37f24ed0ea5fe19812ecfdbd5eff
humanhash: zebra-pizza-edward-angel
File name:kysarm5
Download: download sample
Signature Gafgyt
Create hunting rule
File size:263'646 bytes
First seen:2025-04-19 18:40:00 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:86bGPr58vRIUZDPFNVecJrcCS1m5pemp4ZaQW6+KClYNV:8FgDNNIcE1m7emp4ZaQW6+KClYNV
TLSH T182446824EC16D317C0E3FFF9EFE86A8AE719E6C64B8662036570106D1EF5A59241FC84
telfhash t154415511e47489282be39928dc7c06b226171f13a3e42e715f35c4cc45271e2e676c8b
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 :
116
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.28940.LC.UNOFFICIAL
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Sanesecurity.Malware.29325.LC.Pl.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Mirai-81.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Linux.Siggen.2205.UNOFFICIAL
Create hunting rule

Unix.Tool.13409-1
Create hunting rule

Unix.Dropper.Mirai-7135944-0
Create hunting rule

Unix.Dropper.Mirai-7136018-0
Create hunting rule

Unix.Dropper.Mirai-7136031-0
Create hunting rule

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

Unix.Dropper.Mirai-7139229-0
Create hunting rule

Unix.Tool.Generic-7660959-0
Create hunting rule

Unix.Trojan.Mirai-8041683-0
Create hunting rule

Unix.Trojan.Tsunami-9396652-0
Create hunting rule

Unix.Trojan.Mirai-9943729-0
Create hunting rule

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

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

Unix.Trojan.Mirai-10035004-0
Create hunting rule

Verdict:
Clean
Score:
82.2%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6803ee142203b3e10cd1ab08linux22vpnfull_triage
Tags:
n/a
Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  0/10
Confidence:
100%
Tags:
exploit gcc lolbin remote
Link:
https://www.filescan.io/uploads/6803ee0fe9c1e257979d75c6/reports/c67c4c16-8332-4ae7-9d46-a84fc1c38ec8/overview
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/876dc7ca-4f7b-4ef7-9762-58854930939c
Result
Threat name:
Gafgyt, Mirai
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Detection:
malicious
Classification:
spre.troj
Score:
88 / 100
Link:
https://www.joesandbox.com/analysis/1669285
Signature
Antivirus / Scanner detection for submitted sample
Contains symbols with names commonly found in malware
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Yara detected Gafgyt
Yara detected Mirai
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1669285 Sample: kysarm5.elf Startdate: 19/04/2025 Architecture: LINUX Score: 88 27 176.65.144.18, 43452, 69 PALTEL-ASPALTELAutonomousSystemPS Germany 2->27 29 156.229.233.107, 7733 ONL-HKOCEANNETWORKLIMITEDHK Seychelles 2->29 31 daisy.ubuntu.com 2->31 33 Malicious sample detected (through community Yara rule) 2->33 35 Antivirus / Scanner detection for submitted sample 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 3 other signatures 2->39 8 kysarm5.elf 2->8         started        11 gnome-session-binary sh gsd-rfkill 2->11         started        13 systemd systemd-hostnamed 2->13         started        15 3 other processes 2->15 signatures3 process4 signatures5 41 Opens /proc/net/* files useful for finding connected devices and routers 8->41 17 kysarm5.elf 8->17         started        19 kysarm5.elf 8->19         started        21 kysarm5.elf 8->21         started        23 29 other processes 8->23 process6 process7 25 kysarm5.elf 17->25         started       
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/a3f19136a23e2bbcea7a7764604207162053314f46e99901182ec76f9c0d4349
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/a3f19136a23e2bbcea7a7764604207162053314f46e99901182ec76f9c0d4349/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-04-19 14:54:28 UTC
File Type:
ELF32 Little (Exe)
AV detection:
17 of 24 (70.83%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=upyzcnvchyv3z2t2o5sgaqqhcyqfgmkpi3uzsaiyf3dw7hanineq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery
Link:
https://tria.ge/reports/250419-xa9rgaszbs/
Behaviour
Reads runtime system information
Changes its process name
Reads system network configuration
Enumerates running processes
Reads system routing table
Modifies Watchdog functionality
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
BASHLITE
Score:
0.80
Link:
https://yomi.yoroi.company/submissions/a3f19136a23e2bbcea7a7764604207162053314f46e99901182ec76f9c0d4349

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_dedsec
Create hunting rule
Author:NDA0E
Description:dedsec botnet
Rule name:botnet_Kaiten
Create hunting rule
Author:NDA0E
Description:Kaiten botnet
Rule name:botnet_RyM
Create hunting rule
Author:NDA0E
Description:RyM botnet
Rule name:botnet_Yakuza
Create hunting rule
Author:NDA0E
Description:Yakuza botnet
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:Linux_Gafgyt_Generic
Create hunting rule
Author:albertzsigovits
Description:Generic Approach to Mirai/Gafgyt samples
Rule name:Linux_Generic_Threat_d94e1020
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_28a2fe0c
Create hunting rule
Author:Elastic Security
Rule name:Linux_Trojan_Gafgyt_ea92cca8
Create hunting rule
Author:Elastic Security
Rule name:setsockopt
Create hunting rule
Author:Tim Brown @timb_machine
Description:Hunts for setsockopt() red flags
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 a3f19136a23e2bbcea7a7764604207162053314f46e99901182ec76f9c0d4349

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3518360/
  
Delivery method
Distributed via web download

Comments