MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b4b9098a823a4fc82bdbeb333e6ab88f97bdc4a22b149055adcb29dfe5de9ef3. 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: 4

Intelligence 4 IOCs YARA 1 File information Comments

SHA256 hash:	b4b9098a823a4fc82bdbeb333e6ab88f97bdc4a22b149055adcb29dfe5de9ef3
SHA3-384 hash:	8bc9d11e375eadd6b0507fbff9c2419dc700130270797ad0386a722c99dfbf060919ba1c294be8a7c9d4059f55f31164
SHA1 hash:	8ea1c7d9015528fafa6e42eb94b40b5f2baf54fb
MD5 hash:	aec405f7c991767157dfc6b0b3846bee
humanhash:	pluto-football-queen-single
File name:	wr.php
Download:	download sample
File size:	27'042 bytes
First seen:	2026-08-21 20:15:27 UTC
Last seen:	Never
File type:	sh
MIME type:	text/x-shellscript
ssdeep	768:F8vCB+25j6es8RM9FYpMSUpi+20qUpi+20YQX:F8l25Jad2QX
TLSH	T1E8C27D956A867C44BEC94A3E4CBD2B1D6DF5C3E1324942AC3D8B3C719C11FACD618B1A
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

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

No detections

Gathering data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

evasive masquerade

Link:

https://www.filescan.io/uploads/6a88b20f41f8a65ae439b80b/reports/d48a2abd-5b15-471a-adb8-e24048311715/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/26c74e2c-2e12-45db-bd61-8808bc814576

Behavior Graph:

Download SVG

Score:

80%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/b4b9098a823a4fc82bdbeb333e6ab88f97bdc4a22b149055adcb29dfe5de9ef3

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/b4b9098a823a4fc82bdbeb333e6ab88f97bdc4a22b149055adcb29dfe5de9ef3/

Threat name:

Linux.Backdoor.WebShell

Status:

Malicious

First seen:

2026-08-21 20:16:22 UTC

File Type:

Text (Shell)

AV detection:

16 of 36 (44.44%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ws4qtcuchjh4qk635mzt42vyr6l33rfcfmkjavnnzmu57zo6t3zq._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm defense_evasion discovery linux

Link:

https://tria.ge/reports/260821-y18grs1tg1/

Behaviour

Reads runtime system information

Writes file to tmp directory

Deobfuscate/Decode Files or Information

Checks CPU configuration

File and Directory Permissions Modification

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

Threat name:

Legit

Score:

0.16

Link:

https://yomi.yoroi.company/submissions/b4b9098a823a4fc82bdbeb333e6ab88f97bdc4a22b149055adcb29dfe5de9ef3

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:	SUSP_LNX_Base64_Exec_Apr24 Create hunting rule
Author:	Christian Burkard
Description:	Detects suspicious base64 encoded shell commands (as seen in Palo Alto CVE-2024-3400 exploitation)
Reference:	Internal Research

File information

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

Web download

sh b4b9098a823a4fc82bdbeb333e6ab88f97bdc4a22b149055adcb29dfe5de9ef3

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/3884408/

Delivery method

Distributed via web download

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample