MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 91b563e5effea212300eb86dac0f4fbf64c435d4d82f8b41a1115d4aed737fe0. 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: 5

Intelligence 5 IOCs YARA 1 File information Comments

SHA256 hash:	91b563e5effea212300eb86dac0f4fbf64c435d4d82f8b41a1115d4aed737fe0
SHA3-384 hash:	d61848ff016c6fcba3cea76baa6436a887ee39156b26243d0951e98e1286fdec8f4435b415c63f8f1d984bf037cf3edd
SHA1 hash:	46963230022f47f32fa7237221770fb9b04abb10
MD5 hash:	4ffe27e887374e5bb2d9c63d997bb5f2
humanhash:	alaska-red-london-oranges
File name:	wr.php
Download:	download sample
File size:	27'042 bytes
First seen:	2026-09-13 10:25:40 UTC
Last seen:	2026-09-13 12:34:36 UTC
File type:	sh
MIME type:	text/x-shellscript
ssdeep	768:Q8vCB+25j6es8RIP9FYpMSUpi+20qUpi+20YQX:Q8l25JIZd2QX
TLSH	T190C28D966A867C44BEC98A3E4CBD2B0D6DF5C3D1324942AC3D4B3C719C15FACD618B1A
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

Detection(s):

SecuriteInfo.com.Linux.DownLoader.2862.19117.10389.UNOFFICIAL

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

evasive masquerade

Link:

https://www.filescan.io/uploads/6aa67a46a6826b17f0a95593/reports/6937984c-cdc6-4412-b854-2e9c4a8e1a64/overview

Status:

terminated

Link:

https://sandbox.kunai.rocks/analysis/61866a06-7252-41a4-b977-f6675991a105

Behavior Graph:

Download SVG

Score:

82%

Verdict:

Malware

File Type:

SCRIPT

Link:

https://malprob.io/report/91b563e5effea212300eb86dac0f4fbf64c435d4d82f8b41a1115d4aed737fe0

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/91b563e5effea212300eb86dac0f4fbf64c435d4d82f8b41a1115d4aed737fe0/

Threat name:

Linux.Backdoor.WebShell

Status:

Malicious

First seen:

2026-09-13 10:26:50 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=sg2whzpp72rbemaoxbw2yd2px5sminou3axywqnbcfouv3ltp7qa._file

Result

Malware family:

n/a

Score:

7/10

Tags:

antivm defense_evasion discovery linux

Link:

https://tria.ge/reports/260913-mgp1jawapg/

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/91b563e5effea212300eb86dac0f4fbf64c435d4d82f8b41a1115d4aed737fe0

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 91b563e5effea212300eb86dac0f4fbf64c435d4d82f8b41a1115d4aed737fe0

(this sample)

URLhaus

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

Delivery method

Distributed via web download

Comments

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