MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f4133df744b486be7a4a037389e2a85f9297797e07afbf68bf57af9466ff46f0. 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

Vidar

Vendor detections: 12

Intelligence 12 IOCs YARA 7 File information Comments

SHA256 hash:	f4133df744b486be7a4a037389e2a85f9297797e07afbf68bf57af9466ff46f0
SHA3-384 hash:	7b400225ba138e8ecedb13912ed0f5d7de80809019a368c2a6f06edee5a34855aaaed0c5d91d497282f4b60efacaaf3a
SHA1 hash:	afc873045d65d65d819b5ccc5aa09cde09a34db9
MD5 hash:	246911767fdd96dc2fb7ff2b7a2e48e6
humanhash:	uncle-tennis-louisiana-yankee
File name:	LisectAVT_2403002C_67.exe
Download:	download sample
Signature	Vidar Create hunting rule
File size:	262'665 bytes
First seen:	2024-07-25 01:49:44 UTC
Last seen:	2024-07-25 02:23:07 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep	3072:bvhZwF90rD6pmxO+ocuepLJOw8faTvUUL50k6h9ZgLRhXxqKy1GADVxtOySPUd2J:WUDQH4OQP0LAwKyMAgySPUJY8/m
Threatray	39 similar samples on MalwareBazaar
TLSH	T13144E04A7BF45751E7557270C0E3992A03FAE50776B3E74A3EC40A862A227FC8D09BC5
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	Anonymous
Tags:	exe vidar

Anonymous

this malware sample is very nasty!

Intelligence

File Origin

# of uploads :

# of downloads :

306

Origin country :

Vendor Threat Intelligence

Detection(s):

SecuriteInfo.com.Trojan.PWS.Stealer.38632.4715.22578.UNOFFICIAL

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Launching a process

Creating a file

Сreating synchronization primitives

Behavior that indicates a threat

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Using the Windows Management Instrumentation requests

Searching for synchronization primitives

Launching the default Windows debugger (dwwin.exe)

Forced shutdown of a system process

Connection attempt to an infection source

Unauthorized injection to a system process

Verdict:

Suspicious

Threat level:

5/10

Confidence:

100%

Tags:

net_reactor overlay packed packed

Link:

https://www.filescan.io/uploads/66a1af5955684023171564c2/reports/5fa6d3f4-4e8d-4d19-a1f0-ca4760579b73/overview

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Result

Threat name:

PureLog Stealer, Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1481302

Behaviour

Behavior Graph:

n/a

Score:

97%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/f4133df744b486be7a4a037389e2a85f9297797e07afbf68bf57af9466ff46f0

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/f4133df744b486be7a4a037389e2a85f9297797e07afbf68bf57af9466ff46f0/

Threat name:

ByteCode-MSIL.Trojan.Jalapeno

Status:

Malicious

First seen:

2024-07-25 01:50:13 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 38 (60.53%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=6qjt352ewsdl46skanzytyvil6jjo6l6a6x362f7k6xzizx7i3ya._file

Verdict:

malicious

Vidar

070525acc7ca073a859038aa927c87cb57749743b2e26ca5b614effd3ec15376

Vidar

a04c1bd63b8165b4292b292d34bfae165d28f700594db2c5179e7c6e49c4b331

Vidar

f1f8a75979ba412b0818330b2b6aa4ce8fce42199c2df35d2829c5b358882105

Vidar

f4133df744b486be7a4a037389e2a85f9297797e07afbf68bf57af9466ff46f0

Vidar

+ 29 additional samples on MalwareBazaar

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar botnet:4cf8d799a3641f9821e54be56c960e28 discovery stealer

Link:

https://tria.ge/reports/240725-b9evgs1dpq/

Behaviour

Suspicious use of WriteProcessMemory

Program crash

System Location Discovery: System Language Discovery

Suspicious use of SetThreadContext

Detect Vidar Stealer

Vidar

Malware Config

C2 Extraction:

https://steamcommunity.com/profiles/76561199654112719
https://t.me/r2d0s

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/e229a73c-6802-4780-9a07-934f79562fea

Unpacked files

SH256 hash:

b14fe4b460672c299fc57f3695fd1801744b6c29f4b79c152bbb69b871bf8df0

MD5 hash:

081391a39d55d5260bce9621dfbfe5e3

SHA1 hash:

ae1571e37b4b21962084082bf01e62807e8882f5

Detections:

VidarStealer

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Link:

https://www.unpac.me/results/b9ad116b-6f39-4536-ba79-3c856d8031de/

Parent samples :
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SH256 hash:

f4133df744b486be7a4a037389e2a85f9297797e07afbf68bf57af9466ff46f0

MD5 hash:

246911767fdd96dc2fb7ff2b7a2e48e6

SHA1 hash:

afc873045d65d65d819b5ccc5aa09cde09a34db9

Link:

https://www.unpac.me/results/b9ad116b-6f39-4536-ba79-3c856d8031de/

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/f4133df744b4/report/overview.html

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

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:	DotNet_Reactor Create hunting rule
Author:	@bartblaze
Description:	Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	pe_imphash Create hunting rule

Rule name:	PureCrypter Create hunting rule
Author:	@bartblaze
Description:	Identifies PureCrypter, .NET loader and obfuscator.
Reference:	https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

File information

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

Malspam

Vidar

exe f4133df744b486be7a4a037389e2a85f9297797e07afbf68bf57af9466ff46f0

(this sample)

Link

https://bbs.kafan.cn/forum-31-1.html

Delivery method

Distributed via e-mail attachment

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (GUARD_CF)	high

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