MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a. 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: 16

Intelligence 16 IOCs YARA 1 File information Comments

SHA256 hash:	4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a
SHA3-384 hash:	9883f5c185dc8e1c61a7edd5f1978369d3d539bf026d9e32aa09c7237ad65ffd9aa1547243b31f83bb6acf804c30c48e
SHA1 hash:	7a1d15fb3b9aff903d7c945c9f2b76e8b538e26a
MD5 hash:	5ab8c35b9e4d8ec58a8f6a2f5383042a
humanhash:	zulu-sad-zulu-december
File name:	5ab8c35b9e4d8ec58a8f6a2f5383042a.exe
Download:	download sample
Signature	Vidar Create hunting rule
File size:	2'491'392 bytes
First seen:	2024-06-09 15:56:17 UTC
Last seen:	2024-06-09 16:22:49 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	c400e59b564e8c451299e3dea65fffb9 (4 x Vidar, 1 x Stealc)
ssdeep	49152:MgMB1gmd/0wYxmj02wfNQJGSLrp9+Wlbz1jiAkBAbdUHrU:i1bWJfNqG4nZxji/BAbdS
TLSH	T150B5231A6AC934E6CE8EE33CCE07FCFD3A711DA80D60CE1556483DD1A8E7E152176186
TrID	27.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 20.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 18.6% (.EXE) Win32 Executable (generic) (4504/4/1) 8.5% (.ICL) Windows Icons Library (generic) (2059/9) 8.3% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter	abuse_ch
Tags:	exe vidar

Intelligence

File Origin

# of uploads :

# of downloads :

347

Origin country :

Vendor Threat Intelligence

Malware family:

vidar

ID:

File name:

4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a.exe

Verdict:

Malicious activity

Analysis date:

2024-06-09 16:07:16 UTC

Tags:

telegram stealer vidar stealc

Link:

https://app.any.run/tasks/0c95a82d-da6e-49d2-acc4-52beb756213a

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection(s):

SecuriteInfo.com.Win32.PWSX-gen.14122.6892.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6667047da439c6d6b0874996win10vpnfull_triage

Tags:

Execution Generic Infostealer Network Other Static Stealth Malware

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Running batch commands

Creating a process with a hidden window

Launching a process

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a

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.

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/4b6ab68f-7c41-4e83-b4a2-130a33622f04

Result

Threat name:

Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1454251

Signature

AI detected suspicious sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Contains functionality to inject code into remote processes

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Searches for specific processes (likely to inject)

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

Yara detected AntiVM3

Yara detected Powershell download and execute

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-06-08 17:47:19 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

19 of 24 (79.17%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=j5cc2x2rd7ucbn22jeljpbo2ysh44gqzfbjxfnd4lzflmiqj34na._file

Verdict:

malicious

Result

Malware family:

vidar

Score:

10/10

Tags:

family:stealc family:vidar discovery spyware stealer

Link:

https://tria.ge/reports/240609-tejt3ach42/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Program crash

Suspicious use of SetThreadContext

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks computer location settings

Executes dropped EXE

Loads dropped DLL

Reads data files stored by FTP clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Detect Vidar Stealer

Stealc

Vidar

Verdict:

Malicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/a90e7f6c-4c5c-4016-955d-8382e54f80c4

Unpacked files

SH256 hash:

44a99b4233f8cb7449252480fcbeb978c62a9fe6ca74ffd7245960bf7579cb37

MD5 hash:

f215ffea5e00150357e3cfe802a85e93

SHA1 hash:

bea7b14debbf050cacbe0b0bd958aa7cd1dfe1aa

Detections:

VidarStealer

win_stealc_a0

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Link:

https://www.unpac.me/results/f4b81198-4c4d-4b47-946e-b644235abf2d/

SH256 hash:

4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a

MD5 hash:

5ab8c35b9e4d8ec58a8f6a2f5383042a

SHA1 hash:

7a1d15fb3b9aff903d7c945c9f2b76e8b538e26a

Link:

https://www.unpac.me/results/f4b81198-4c4d-4b47-946e-b644235abf2d/

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/4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a

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:	maldoc_find_kernel32_base_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

File information

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

Web download

Vidar

exe 4f442d5f511fe820b75a49169785dac48fce1a19285372b47c5e4ab62209df1a

(this sample)

URLhaus

https://urlhaus.abuse.ch/url/2799183/

Delivery method

Distributed via web download

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 (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	SHELL32.dll::SHFileOperationA
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::LoadLibraryA
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegGetValueA

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