MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c62571dfe1957e4e5b6b8246ddecab8d9a69029f3194be8a642ce4b0d7058905. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: c62571dfe1957e4e5b6b8246ddecab8d9a69029f3194be8a642ce4b0d7058905
SHA3-384 hash: 98701a0359c52111aab6328d4696a633f9b5b22208afff346e23d9141191bc4991c8aeebdb0b4159e305b12be617bfd9
SHA1 hash: c095ff9bd043df0db0a83e84e9ca51cbd9ca723c
MD5 hash: a2f99fd29aad39ba5a51440a3bc03fdf
humanhash: arkansas-twenty-zulu-fanta
File name:klogd
Download: download sample
Signature Gafgyt
Create hunting rule
File size:135'268 bytes
First seen:2025-07-15 06:24:53 UTC
Last seen:Never
File type: elf
MIME type:application/x-executable
ssdeep 3072:deHG6KlPbehDlmQSng5OaXfIAbsuJmu4/lQh1USU7k/Nb:kKJehEQf5OmrJmu4/lQh1USU7k/Nb
TLSH T1AAD31A41E908472BC2D227F7E79E438D3B361EA557D733116938BDB42BE17982E39920
telfhash t13e317821953546142fb39928acfc56b31121271323557f71af25c5cc45360f1e93de4f
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 :
23
Origin country :
DE DE
Vendor Threat Intelligence
Detection(s):
Sanesecurity.Malware.29052.TSource.UNOFFICIAL
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-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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
gcc lolbin obfuscated remote
Link:
https://www.filescan.io/uploads/6875f44f8a7d628a81af48e1/reports/d71a1975-0635-41e5-8e5d-67ad43d7b484/overview
Status:
terminated
Link:
https://sandbox.kunai.rocks/analysis/ec208d11-ccb8-41de-b4b1-e0072d22af6e
Behavior Graph:
Download SVG
%3 guuid=477f38b0-1700-0000-4242-f7a57f0c0000 pid=3199 /usr/bin/sudo guuid=c2b341b3-1700-0000-4242-f7a5800c0000 pid=3200 /tmp/sample.bin guuid=477f38b0-1700-0000-4242-f7a57f0c0000 pid=3199->guuid=c2b341b3-1700-0000-4242-f7a5800c0000 pid=3200 execve
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/ad25d2d2-af39-4149-8a93-db89961d8511
Result
Threat name:
Gafgyt
Create hunting rule
Detection:
malicious
Classification:
spre.troj.evad
Score:
76 / 100
Link:
https://www.joesandbox.com/analysis/1736774
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: 1736774 Sample: klogd.elf Startdate: 15/07/2025 Architecture: LINUX Score: 76 37 206.123.128.67, 51832, 51834, 51836 LEASEWEB-USA-NYC-11US United States 2->37 39 169.254.169.254, 80 USDOSUS Reserved 2->39 41 4 other IPs or domains 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 Multi AV Scanner detection for submitted file 2->45 47 Yara detected Gafgyt 2->47 49 Connects to many ports of the same IP (likely port scanning) 2->49 9 klogd.elf 2->9         started        signatures3 process4 signatures5 53 Opens /proc/net/* files useful for finding connected devices and routers 9->53 12 klogd.elf 9->12         started        process6 process7 14 klogd.elf sh 12->14         started        16 klogd.elf sh 12->16         started        18 klogd.elf sh 12->18         started        20 59 other processes 12->20 process8 22 sh killall 14->22         started        25 sh killall 16->25         started        27 sh killall 18->27         started        29 sh killall 20->29         started        31 sh killall 20->31         started        33 sh killall 20->33         started        35 56 other processes 20->35 signatures9 51 Terminates several processes with shell command 'killall' 22->51
Score:
100%
Verdict:
Malware
File Type:
ELF
Link:
https://malprob.io/report/c62571dfe1957e4e5b6b8246ddecab8d9a69029f3194be8a642ce4b0d7058905
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/c62571dfe1957e4e5b6b8246ddecab8d9a69029f3194be8a642ce4b0d7058905/
Threat name:
Linux.Backdoor.Gafgyt
Create hunting rule
Status:
Malicious
First seen:
2025-07-15 06:37:43 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=yysxdx7bsv7e4w3lqjdn33flrwngsau7ggkl5cteftslbvyfrecq._file
Result
Malware family:
gafgyt
Create hunting rule
Score:
  10/10
Tags:
family:gafgyt defense_evasion discovery
Link:
https://tria.ge/reports/250715-g7bb6sgr3z/
Behaviour
Reads runtime system information
Changes its process name
Reads CPU attributes
Reads system network configuration
Enumerates running processes
Reads system routing table
Modifies Watchdog functionality
Verdict:
Malicious
Tags:
Unix.Dropper.Mirai-7135944-0
YARA:
n/a
Link:
https://app.threat.zone/submission/8b40087e-f885-44aa-8148-3c93eaf98cd7
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/c62571dfe1957e4e5b6b8246ddecab8d9a69029f3194be8a642ce4b0d7058905

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_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 c62571dfe1957e4e5b6b8246ddecab8d9a69029f3194be8a642ce4b0d7058905

(this sample)

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

Comments