MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 538d4d719d79f21c1322441a350e641d0995068b7d015c6e61d2f23d7cd588fa. 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

Threat unknown

Vendor detections: 6

Intelligence 6 IOCs YARA 1 File information Comments

SHA256 hash:	538d4d719d79f21c1322441a350e641d0995068b7d015c6e61d2f23d7cd588fa
SHA3-384 hash:	499ac645c60aee6e88556002bae08c08a5e42388ae0a00984f0ac5ddd5a84b7e0a0943a92eeeb7fe84009a0fcc5f5bda
SHA1 hash:	c3a17523ad711f3f15461c4dcf8d682c391da226
MD5 hash:	393c5d266b8545f19c4c7ec4f697cddd
humanhash:	uranus-crazy-hotel-oregon
File name:	p
Download:	download sample
File size:	847 bytes
First seen:	2026-07-20 06:58:01 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	12:dOXOsYxcysE+vhCFN0zvy/RQvZowHkasjCBf8CZ+UFC2XjoXC09xIRqCmCM3N3aa:kXCKysE2hi0ziQvZohawvOFVQ19jhvx7
TLSH	T10101AFC6D1509910502A981E66D662E0B831C3C7599B0F797F9C902DFBACA14B066F88
TrID	70.0% (.SH) Linux/UNIX shell script (7000/1) 30.0% (.) Unix-like shebang (var.3) (gen) (3000/1)
Magika	shell
Reporter	abuse_ch
Tags:	sh

Shell script dropper

This file seems to be a shell script dropper, using wget, ftpget and/or curl. More information about the corresponding payload URLs are shown below.

URL	Malware sample (SHA256 hash)	Signature	Tags
http://129.121.110.105/gTks	n/a	n/a	ua-wget
http://129.121.110.105/mrHz	n/a	n/a	ua-wget
http://129.121.110.105/THKi	n/a	n/a	ua-wget
http://129.121.110.105/GFr2	n/a	n/a	ua-wget
http://129.121.110.105/Rh1F	n/a	n/a	ua-wget

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Detection(s):

SecuriteInfo.com.Linux.Downloader-35.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

evasive mirai

Link:

https://www.filescan.io/uploads/6a5dc7072357685c5cf18176/reports/bed5a948-d291-48aa-8f4d-fa379765c494/overview

Verdict:

Malicious

File Type:

unix shell

First seen:

2026-07-20T04:52:00Z UTC

Last seen:

2026-07-20T05:15:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/538d4d719d79f21c1322441a350e641d0995068b7d015c6e61d2f23d7cd588fa/results?tab=lookup

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/abaafca8-dc49-4360-9612-b5e4c90ed1c8

Behavior Graph:

Download SVG

Score:

97%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/538d4d719d79f21c1322441a350e641d0995068b7d015c6e61d2f23d7cd588fa

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/538d4d719d79f21c1322441a350e641d0995068b7d015c6e61d2f23d7cd588fa/

Threat name:

Document-HTML.Trojan.Heuristic

Status:

Malicious

First seen:

2026-07-20 07:13:51 UTC

AV detection:

10 of 24 (41.67%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=kogu24m5phzbyezciqndkdteduezkbulpuavy3tb2lzd27gvrd5a._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm defense_evasion discovery execution linux persistence privilege_escalation

Link:

https://tria.ge/reports/260720-hrl96sht8p/

Behaviour

Enumerates kernel/hardware configuration

Reads runtime system information

Writes file to tmp directory

Checks CPU configuration

Creates/modifies Cron job

Enumerates running processes

Modifies rc script

Modifies systemd

File and Directory Permissions Modification

Executes dropped EXE

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Legit

Score:

0.26

Link:

https://yomi.yoroi.company/submissions/538d4d719d79f21c1322441a350e641d0995068b7d015c6e61d2f23d7cd588fa

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_202412_suspect_bash_script Create hunting rule
Author:	abuse.ch
Description:	Detects suspicious Linux bash scripts

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

sh 538d4d719d79f21c1322441a350e641d0995068b7d015c6e61d2f23d7cd588fa

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3887342/

Delivery method

Distributed via web download

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