MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 b39cb5e2b18aa78de8d7ff6f586bfe904db4f6ad42b6224ae81009b398e7c851. 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

VShell

Vendor detections: 9

Intelligence 9 IOCs YARA 8 File information Comments 1

SHA256 hash:	b39cb5e2b18aa78de8d7ff6f586bfe904db4f6ad42b6224ae81009b398e7c851
SHA3-384 hash:	17ff5c6936a0052268186b3d4f284c4ad1eca11ec5a21d3ac50fbb580c62a17f09c77b87c027d5ba5af54d7b1e448ef0
SHA1 hash:	627a7ed6f0c0beef4b6f75e45aee7c3eba65781d
MD5 hash:	e1d172a8046d208be76ca5454c718be9
humanhash:	jersey-west-emma-one
File name:	vshell.zip
Download:	download sample
Signature	VShell Create hunting rule
File size:	3'950'322 bytes
First seen:	2026-05-06 07:47:51 UTC
Last seen:	Never
File type:	zip
MIME type:	application/zip
ssdeep	98304:vENFBu5RAORdFEIlTJEoQOZRTzf16JcE6UKZbNNKq5q:vEN65RAOHFr97ZRTzf1ucE6hbN1w
TLSH	T1770633D274F2B5E3BC75FFA672591BBA94BC907131104E21F8404D922BEB77086968CB
Magika	zip
Reporter	smica83
Tags:	UAT-8302 vshell zip

Intelligence

File Origin

# of uploads :

# of downloads :

105

Origin country :

File Archive Information

This file archive contains 2 file(s), sorted by their relevance:

File name:	WININET.dll
File size:	19'968 bytes
SHA256 hash:	35b2a5260b21ddb145486771ec2b1e4dc1f5b7f2275309e139e4abc1da0c614b
MD5 hash:	23b7908c6bde98456e653c1d0b2e6962
MIME type:	application/x-dosexec
Signature	VShell

File name:	b0467b78bf67cf703b1ce2ad38d3664c
File size:	5'158'400 bytes
SHA256 hash:	199bd156c81b2ef4fb259467a20eacaa9d861eeb2002f1570727c2f9ff1d5dab
MD5 hash:	b0467b78bf67cf703b1ce2ad38d3664c
MIME type:	application/octet-stream
Signature	VShell

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/37e6b73e-169e-42b6-8e69-884b29bc15e1/

Detection(s):

MiscreantPunch.SingleXOR.EXE.153.UNOFFICIAL

Win.Loader.Agent-10059661-1

Win.Malware.Agent-10059660-0

Gathering data

Result

Verdict:

Malicious

File Type:

ZIP File

Link:

https://app.docguard.net/b39cb5e2b18aa78de8d7ff6f586bfe904db4f6ad42b6224ae81009b398e7c851/results/dashboard

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug anti-vm explorer lolbin microsoft_visual_cc unsafe

Link:

https://www.filescan.io/uploads/69faf241fd9cdd68416e48c4/reports/dd8fdee8-4f0e-43a8-86cb-997d7849cf47/overview

Verdict:

Unknown

Link:

https://www.hybrid-analysis.com/sample/b39cb5e2b18aa78de8d7ff6f586bfe904db4f6ad42b6224ae81009b398e7c851

Verdict:

Malicious

File Type:

zip

First seen:

2026-05-06T05:47:00Z UTC

Last seen:

2026-05-08T00:00:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/b39cb5e2b18aa78de8d7ff6f586bfe904db4f6ad42b6224ae81009b398e7c851/results?tab=lookup

Score:

65%

Verdict:

Susipicious

File Type:

Result

Malware family:

n/a

Score:

3/10

Tags:

n/a

Link:

https://tria.ge/reports/260506-lzpbaaaw6p/

Behaviour

Suspicious behavior: EnumeratesProcesses

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

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/b39cb5e2b18aa78de8d7ff6f586bfe904db4f6ad42b6224ae81009b398e7c851

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	SEH__vectored Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	SUSP_Four_Byte_XOR_PE_And_MZ Create hunting rule
Author:	Wesley Shields <wxs@atarininja.org>
Description:	Look for 4 byte xor of a PE starting at offset 0
Reference:	https://gist.github.com/wxsBSD/bf7b88b27e9f879016b5ce2c778d3e83

Rule name:	SUSP_Two_Byte_XOR_PE_And_MZ Create hunting rule
Author:	Wesley Shields <wxs@atarininja.org>
Description:	Look for 2 byte xor of a PE starting at offset 0
Reference:	https://gist.github.com/wxsBSD/bf7b88b27e9f879016b5ce2c778d3e83

Rule name:	SUSP_XORed_MSDOS_Stub_Message Create hunting rule
Author:	Florian Roth
Description:	Detects suspicious XORed MSDOS stub message
Reference:	https://yara.readthedocs.io/en/latest/writingrules.html#xor-strings

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

File information

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

Link

https://blog.talosintelligence.com/uat-8302/

Comments

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Szabolcs Schmidt commented on 2026-05-06 07:48:59 UTC

2 related vshell samples in it (DLL, DATA):
35b2a5260b21ddb145486771ec2b1e4dc1f5b7f2275309e139e4abc1da0c614b
199bd156c81b2ef4fb259467a20eacaa9d861eeb2002f1570727c2f9ff1d5dab