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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ee63a79520b635fc9ae325dc1b721568bf971605811e443b4fce1e66d19fcd7. 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: 10


Intelligence 10 IOCs YARA 7 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ee63a79520b635fc9ae325dc1b721568bf971605811e443b4fce1e66d19fcd7
SHA3-384 hash: 3b2ea5b06e921a605bd965f449d4abb07b50b9a91ced249f695a5108822c18044514c94794f4f21cd406f34739cc06c8
SHA1 hash: b151c6afee23ac36b1161d26145795f4ddf04267
MD5 hash: 7eeae195de09402d407cb4a4f3a4fde8
humanhash: missouri-arkansas-mississippi-bacon
File name:klogd
Download: download sample
Signature Gafgyt
Create hunting rule
File size:144'573 bytes
First seen:2025-08-06 05:46:53 UTC
Last seen:2025-08-06 17:50:16 UTC
File type: elf
MIME type:application/x-executable
ssdeep 3072:V1C1PnQpTuKQ2ziA0otHelArHZFu4zlQBNw5l/e65z:rfTu4iAvtHeCFu4zlQBNw5l/e6Z
TLSH T135E30944E944476BC2D227FAF75A039C37361E9997D733116938BDB02BE1B9C2E39920
telfhash t1b7317622997843282ff79d28bcad46b311126b2353663f72af75c5cc44260a1e539d4f
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 :
41
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

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

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

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

Unix.Trojan.Mirai-10056454-0
Create hunting rule

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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Unknown
Threat level:
  2.5/10
Confidence:
100%
Tags:
gcc rust threat
Link:
https://www.filescan.io/uploads/6892ec6f397fd3ce6f9eb113/reports/85f64fb4-5845-49d4-813f-d3bded972ad9/overview
Verdict:
Malicious
Uses P2P?:
false
Uses anti-vm?:
false
Architecture:
arm
Packer:
not packed
Botnet:
unknown
Number of open files:
191
Number of processes launched:
13
Processes remaning?
true
Remote TCP ports scanned:
not identified
Full report:
https://elfdigest.com/brief/4ee63a79520b635fc9ae325dc1b721568bf971605811e443b4fce1e66d19fcd7
Behaviour
Process Renaming
Information Gathering
Botnet C2s
TCP botnet C2(s):
not identified
UDP botnet C2(s):
not identified
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/9d58054c-59d8-4e4b-a0fe-5e2cd713a224
Behavior Graph:
Download SVG
%3 guuid=4c8477e6-1900-0000-a2dd-85effe090000 pid=2558 /usr/bin/sudo guuid=06d8c0e9-1900-0000-a2dd-85ef030a0000 pid=2563 /tmp/sample.bin guuid=4c8477e6-1900-0000-a2dd-85effe090000 pid=2558->guuid=06d8c0e9-1900-0000-a2dd-85ef030a0000 pid=2563 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/0b60c2a7-5783-4198-9db3-f43d7bad90e0
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1751079
Signature
Antivirus / Scanner detection for submitted sample
Connects to many ports of the same IP (likely port scanning)
Multi AV Scanner detection for submitted file
Opens /proc/net/* files useful for finding connected devices and routers
Terminates several processes with shell command 'killall'
Yara detected Gafgyt
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1751079 Sample: klogd.elf Startdate: 06/08/2025 Architecture: LINUX Score: 76 49 206.123.128.67, 65481 LEASEWEB-USA-NYC-11US United States 2->49 51 169.254.169.254, 80 USDOSUS Reserved 2->51 53 3 other IPs or domains 2->53 57 Antivirus / Scanner detection for submitted sample 2->57 59 Multi AV Scanner detection for submitted file 2->59 61 Yara detected Gafgyt 2->61 63 Connects to many ports of the same IP (likely port scanning) 2->63 9 klogd.elf 2->9         started        12 dash rm 2->12         started        14 dash rm 2->14         started        16 python3.8 dpkg 2->16         started        signatures3 process4 signatures5 65 Opens /proc/net/* files useful for finding connected devices and routers 9->65 18 klogd.elf 9->18         started        20 klogd.elf 9->20         started        22 klogd.elf 9->22         started        process6 process7 24 klogd.elf sh 18->24         started        26 klogd.elf sh 18->26         started        28 klogd.elf sh 18->28         started        32 5 other processes 18->32 30 klogd.elf 20->30         started        process8 34 sh killall 24->34         started        37 sh killall 26->37         started        39 sh killall 28->39         started        41 sh killall 32->41         started        43 sh killall 32->43         started        45 sh killall 32->45         started        47 2 other processes 32->47 signatures9 55 Terminates several processes with shell command 'killall' 34->55
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/4ee63a79520b635fc9ae325dc1b721568bf971605811e443b4fce1e66d19fcd7
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4ee63a79520b635fc9ae325dc1b721568bf971605811e443b4fce1e66d19fcd7/
Verdict:
Malicious
Threat:
HEUR:Backdoor.Linux.Gafgyt
Link:
https://tip.neiki.dev/file/4ee63a79520b635fc9ae325dc1b721568bf971605811e443b4fce1e66d19fcd7
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-08-06 05:47:27 UTC
File Type:
ELF32 Little (Exe)
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=j3tdu6ksbnrv7snogjo4dnzbk2f7s4lalai6iq5u7tq6m3iz7tlq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt
Link:
https://tria.ge/reports/250806-gg3nqsdn6z/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7139229-0
YARA:
n/a
Link:
https://app.threat.zone/submission/835d9c54-6e13-47ef-918e-7826264d0054
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/4ee63a79520b635fc9ae325dc1b721568bf971605811e443b4fce1e66d19fcd7

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:ach_202503_elf_Mirai
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Author:abuse.ch
Description:Detects Mirai 'TSource' ELF files
Rule name:botnet_plaintext_c2
Create hunting rule
Author:cip
Description:Attempts to match at least some of the strings used in some botnet variants which use plaintext communication protocols.
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:Mal_LNX_Gafgyt_Botnet_ELF
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect Gafgyt botnet, and there variants.
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 4ee63a79520b635fc9ae325dc1b721568bf971605811e443b4fce1e66d19fcd7

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3576533/
  
Delivery method
Distributed via web download

Comments