MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 431eaf4e92104050175506be59bff461c2fb7f8a134c7328b932fea657db0f34. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments
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SHA256 hash: 431eaf4e92104050175506be59bff461c2fb7f8a134c7328b932fea657db0f34
SHA3-384 hash: d9c9c6dc71a672ceffcb431ff8ada8b6aa3d46174851e4a971481444c1778a1c3e777ccb89c7284a031fcd1c2c7feeb2
SHA1 hash: fb448acd01e9e25b7a3ccf182926fada227409d7
MD5 hash: 0f818aada3e992685ab4ab9ad61477ca
humanhash: cup-michigan-six-indigo
File name:klogd
Download: download sample
Signature Gafgyt
Create hunting rule
File size:174'736 bytes
First seen:2025-09-17 12:51:56 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:y0S5bL6ILl/M2RZJ/kiv6xL/0D6IKDDlNph7IWUm64FMQ8NwE1/29Mz:tS4IxXRZ1/S18DZOnUm64FMQ8NwE1/2g
TLSH T10E040705E901076FC3E327FBF25A068D3B260E6997D73316AA357DB02BD4B9D2939120
telfhash t1cf4166529d7887242ff79928acad87731212662353767f72af75c4cc54220b0e539d4f
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 :
53
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.30541.LC.UNOFFICIAL
Create hunting rule

Sanesecurity.Malware.32133.LX.BOT.UNOFFICIAL
Create hunting rule

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

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

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

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

Result
Verdict:
Malware
Maliciousness:
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
gcc rust
Link:
https://www.filescan.io/uploads/68caaf1c73287948292d4de6/reports/e90c74da-8ff3-45e6-8010-0a21e08d02d9/overview
Verdict:
Malicious
File Type:
elf.32.le
First seen:
2025-09-17T11:03:00Z UTC
Last seen:
2025-09-17T11:03:00Z UTC
Hits:
~10
Link:
https://opentip.kaspersky.com/431eaf4e92104050175506be59bff461c2fb7f8a134c7328b932fea657db0f34/results?tab=lookup
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/a20f321a-2ea4-4511-a10d-9fd3cb3c5338
Behavior Graph:
Download SVG
%3 guuid=802c8888-1600-0000-116c-88bd900c0000 pid=3216 /usr/bin/sudo guuid=db54aa8a-1600-0000-116c-88bd950c0000 pid=3221 /tmp/sample.bin guuid=802c8888-1600-0000-116c-88bd900c0000 pid=3216->guuid=db54aa8a-1600-0000-116c-88bd950c0000 pid=3221 execve
Malware family:
Gafgyt
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4a24f69a-1e5c-4676-8773-a73ddbf508d1
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1779233
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: 1779233 Sample: klogd.elf Startdate: 17/09/2025 Architecture: LINUX Score: 76 49 206.123.145.140, 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/431eaf4e92104050175506be59bff461c2fb7f8a134c7328b932fea657db0f34
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/431eaf4e92104050175506be59bff461c2fb7f8a134c7328b932fea657db0f34/
Threat name:
Linux.Trojan.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-09-17 12:52:48 UTC
File Type:
ELF32 Little (Exe)
AV detection:
15 of 24 (62.50%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=impk6tuscbafaf2va27ftp7umhbpw74kcnghgkfzgl7kmv63b42a._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt
Link:
https://tria.ge/reports/250917-p32mkazshs/
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7139229-0
YARA:
n/a
Link:
https://app.threat.zone/submission/7d762484-19c6-491d-9c26-00c6f26c7753
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/431eaf4e92104050175506be59bff461c2fb7f8a134c7328b932fea657db0f34

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
Create hunting rule
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:CP_AllMal_Detector
Create hunting rule
Author:DiegoAnalytics
Description:CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication
Rule name:enterpriseapps2
Create hunting rule
Author:Tim Brown @timb_machine
Description:Enterprise apps
Rule name:generic_IG_stealer
Create hunting rule
Author:RE4rensics
Description:Detects stealers that interacts with IG endpoints after stealing IG cookies
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 431eaf4e92104050175506be59bff461c2fb7f8a134c7328b932fea657db0f34

(this sample)

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

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