MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38. 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: 14

Intelligence 14 IOCs YARA 7 File information Comments

SHA256 hash:	5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38
SHA3-384 hash:	58f6b23bcedb7d0cb3c237ae153ad69b68cc8491cb6d590985e6bc2b13bb1506463d56390276b1e4b89e6473ba269ea5
SHA1 hash:	1af682cc65c9a3c4f1f06fc1a698cf18bfeb3e12
MD5 hash:	4c3f0027d2e0e9c8664bf102fc2840e4
humanhash:	comet-seven-carolina-bacon
File name:	4c3f0027d2e0e9c8664bf102fc2840e4.exe
Download:	download sample
Signature	Vidar Create hunting rule
File size:	7'713'488 bytes
First seen:	2024-06-14 06:50:31 UTC
Last seen:	2024-06-14 07:21:53 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	3c629f9928a51ed1038c5709d48035af (1 x Vidar)
ssdeep	196608:w6Oakf78Ql8X6OAfiZ8AY/5iEvCidMtCVHb1QR:LOXDra6OP5OiEvCi+IaR
Threatray	1 similar samples on MalwareBazaar
TLSH	T1DF7623AA2ECB84E6D9800CB0D71B6BF763F35CAA8DC88C3629C57405B1B1F797069547
TrID	43.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 22.9% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 9.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.0% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.2% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):
dhash icon	270b0f1b231b1b6b (1 x Vidar)
Reporter	abuse_ch
Tags:	exe signed vidar

Code Signing Certificate

Organisation:	ASUS VivoBook EU 16X M3604YA-MB248 90NB11A1-M00B80
Issuer:	ASUS VivoBook EU 16X M3604YA-MB248 90NB11A1-M00B80
Algorithm:	sha1WithRSAEncryption
Valid from:	2024-06-12T15:28:16Z
Valid to:	2034-06-13T15:28:16Z
Serial number:	1cb900c4b206fa994bbccd93a6c27606
Thumbprint Algorithm:	SHA256
Thumbprint:	a64ad00efc5a28e9c7358bfba1d6f9571ee7c6cae224a9a6ad0ed1f7e76677c7
Source:	This information was brought to you by ReversingLabs A1000 Malware Analysis Platform

Intelligence

File Origin

# of uploads :

# of downloads :

377

Origin country :

Vendor Threat Intelligence

Malware family:

vidar

ID:

File name:

5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38.exe

Verdict:

Malicious activity

Analysis date:

2024-06-14 06:51:03 UTC

Tags:

telegram stealer vidar stealc

Link:

https://app.any.run/tasks/e06f7d8a-2527-45db-af1e-dedb4e5eb3b7

Note:

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

Detection(s):

SecuriteInfo.com.SScope.TrojanDropper.Hider.11267.26110.UNOFFICIAL

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=666be90fa2bce47be7da3d3awin10vpnfull_triage

Tags:

Encryption Execution Generic Infostealer Network Other Static Stealth

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Sending an HTTP GET request

Using the Windows Management Instrumentation requests

Running batch commands

Creating a process with a hidden window

Launching a process

Verdict:

Malicious

Labled as:

Win/malicious_confidence_90%

Link:

https://www.hybrid-analysis.com/sample/5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38

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/01d8be80-fe61-4226-8fcb-61dcdd673be4

Result

Threat name:

Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1457080

Signature

AI detected suspicious sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Overwrites code with unconditional jumps - possibly settings hooks in foreign process

Switches to a custom stack to bypass stack traces

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/5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38/

Threat name:

Win32.Trojan.Generic

Status:

Malicious

First seen:

2024-06-14 06:51:16 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

15 of 24 (62.50%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=l5os2cjby2ixxud6urh373zy57chbfbhg2qtfa52jyk56bi4b44a._file

Verdict:

unknown

Vidar

Result

Malware family:

vidar

Score:

10/10

Tags:

family:stealc family:vidar discovery spyware stealer

Link:

https://tria.ge/reports/240614-hmhfessgln/

Behaviour

Checks processor information in registry

Delays execution with timeout.exe

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Accesses cryptocurrency files/wallets, possible credential harvesting

Checks installed software on the system

Checks computer location settings

Reads data files stored by FTP clients

Reads user/profile data of local email clients

Reads user/profile data of web browsers

Downloads MZ/PE file

Detect Vidar Stealer

Stealc

Vidar

Unpacked files

SH256 hash:

ff8879a157204aa32365a0a11748f6d7cac932c4b469257b284a07a26bf4bce5

MD5 hash:

912b70692e6c298a4186b3553d801f1b

SHA1 hash:

4ae9b5b7d0010c7c7d766ca9a94b523f1feb882b

Detections:

VidarStealer

win_stealc_a0

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

INDICATOR_SUSPICIOUS_EXE_WindDefender_AntiEmaulation

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

Link:

https://www.unpac.me/results/763b391f-f5e8-42da-bd8f-acd9dec912a7/

SH256 hash:

5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38

MD5 hash:

4c3f0027d2e0e9c8664bf102fc2840e4

SHA1 hash:

1af682cc65c9a3c4f1f06fc1a698cf18bfeb3e12

Link:

https://www.unpac.me/results/763b391f-f5e8-42da-bd8f-acd9dec912a7/

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/5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38

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:	Check_OutputDebugStringA_iat Create hunting rule

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

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

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

Rule name:	PE_Digital_Certificate Create hunting rule
Author:	albertzsigovits

Rule name:	PE_Potentially_Signed_Digital_Certificate Create hunting rule
Author:	albertzsigovits

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

File information

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

Web download

Vidar

exe 5f5d2d0921c6917bd07ea44fbfef38efc470942736a13283ba4e15df051c0f38

(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_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high
CHECK_NX	Missing Non-Executable Memory Protection	critical
CHECK_TRUST_INFO	Requires Elevated Execution (uiAccess:None)	high

Reviews

ID	Capabilities	Evidence
COM_BASE_API	Can Download & Execute components	ole32.dll::CoCreateInstance ole32.dll::CoInitializeSecurity
SHELL_API	Manipulates System Shell	SHELL32.dll::SHFileOperationA
WIN32_PROCESS_API	Can Create Process and Threads	KERNEL32.dll::CreateProcessA KERNEL32.dll::OpenProcess KERNEL32.dll::VirtualAllocEx KERNEL32.dll::WriteProcessMemory KERNEL32.dll::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::LoadLibraryA KERNEL32.dll::GetDriveTypeA KERNEL32.dll::GetSystemInfo KERNEL32.dll::GetStartupInfoA
WIN_BASE_EXEC_API	Can Execute other programs	KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::SetStdHandle KERNEL32.dll::GetConsoleCP KERNEL32.dll::GetConsoleMode KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileW KERNEL32.dll::CreateFileA
WIN_BASE_USER_API	Retrieves Account Information	KERNEL32.dll::GetComputerNameA ADVAPI32.dll::GetUserNameA
WIN_REG_API	Can Manipulate Windows Registry	ADVAPI32.dll::RegGetValueA ADVAPI32.dll::RegOpenKeyExA

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