MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a88b86575b9f44bab08276a41f4851401b21b5e45805e35c2ad72cc326c37576. 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 12 File information Comments

SHA256 hash:	a88b86575b9f44bab08276a41f4851401b21b5e45805e35c2ad72cc326c37576
SHA3-384 hash:	4906214943cd4ccd87852136fedac13f7177aa13558c33547f302566e86685c34d04996709fbc4c26d440d9aa009389d
SHA1 hash:	2d41e2725011a4cc18f7c8b094175d0bafc9433a
MD5 hash:	18bbb3f182b975601f24f723915192c1
humanhash:	six-oranges-michigan-white
File name:	fe8bed09a836755e33c1ad4cae1ea15db42f7f5b5ac669d9a359d8c4fc1df9a1_payload.exe
Download:	download sample
Signature	Vidar Create hunting rule
File size:	172'032 bytes
First seen:	2024-07-17 04:13:36 UTC
Last seen:	2024-07-24 18:04:19 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	cf5460882977ef25980b9ab7ed58ffc4 (2 x Vidar)
ssdeep	3072:bjy295dfnOA8hTjCXuSTRNuIbijDzI4FYjawZf1k0redsagzRoM9u5oy:bGSnOA8JguSTuXzI4FYjawp1k0FHu5oy
Threatray	3 similar samples on MalwareBazaar
TLSH	T11DF37C25B3A1883EEC7389B13B8C26E9C669FD701265503FEFB54B1539A48D38529337
TrID	56.3% (.CPL) Windows Control Panel Item (generic) (57583/11/19) 16.1% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 10.2% (.EXE) Win64 Executable (generic) (10523/12/4) 4.9% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.4% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter	ukycircle
Tags:	exe vidar

Intelligence

File Origin

# of uploads :

# of downloads :

387

Origin country :

Vendor Threat Intelligence

Detection(s):

Win.Packed.Mikey-10032681-0

Verdict:

Malicious

Score:

96.5%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6697450b4de77648397b703d

Tags:

Banker Execution Generic Infostealer Network Other Stealth

Result

Verdict:

Suspicious

Maliciousness:

Behaviour

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Connecting to a non-recommended domain

Sending an HTTP POST request

Running batch commands

Creating a process with a hidden window

Launching a process

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-vm lolbin microsoft_visual_cc packed shell32 stealer

Link:

https://www.filescan.io/uploads/6697450a7b9add553ed5e8bd/reports/f34838d5-7339-4a32-8e60-d4169efb3763/overview

Verdict:

Malicious

Labled as:

Trojan.JP.Generic

Link:

https://www.hybrid-analysis.com/sample/a88b86575b9f44bab08276a41f4851401b21b5e45805e35c2ad72cc326c37576

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.

Malware family:

Vidar

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3fa42b53-bd64-4b62-9025-52238075854a

Result

Threat name:

Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1474620

Signature

AI detected suspicious sample

C2 URLs / IPs found in malware configuration

Contains functionality to inject code into remote processes

Detected unpacking (creates a PE file in dynamic memory)

Found malware configuration

Found many strings related to Crypto-Wallets (likely being stolen)

Machine Learning detection for sample

Multi AV Scanner detection for submitted file

Searches for specific processes (likely to inject)

Tries to harvest and steal Bitcoin Wallet information

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

Tries to harvest and steal ftp login credentials

Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)

Tries to steal Crypto Currency Wallets

Yara detected Powershell download and execute

Yara detected Vidar

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a88b86575b9f44bab08276a41f4851401b21b5e45805e35c2ad72cc326c37576

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a88b86575b9f44bab08276a41f4851401b21b5e45805e35c2ad72cc326c37576/

Threat name:

Win32.Spyware.Vidar

Status:

Suspicious

First seen:

2024-07-17 04:14:05 UTC

File Type:

PE (Exe)

Extracted files:

AV detection:

14 of 24 (58.33%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=vcfymv23t5clvmeco2sb6scriansdnpelac6gxbk24wmgjwdov3a._file

Verdict:

malicious

Vidar

fe8bed09a836755e33c1ad4cae1ea15db42f7f5b5ac669d9a359d8c4fc1df9a1

Vidar

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar botnet:3a901b2c4dd248059af72250cf07aba7 discovery spyware stealer

Link:

https://tria.ge/reports/240717-etm3psvgqk/

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 web browsers

Downloads MZ/PE file

Malware Config

C2 Extraction:

https://t.me/s41l0
https://steamcommunity.com/profiles/76561199743486170

Verdict:

Suspicious

Tags:

n/a

YARA:

n/a

Link:

https://app.threat.zone/submission/21bdd89d-f7bb-49c2-94a1-a32dcbc2afaa

Unpacked files

SH256 hash:

0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d

MD5 hash:

2890a00ef6943ed98e2b7c6e3e49ae1c

SHA1 hash:

9072a751e68fe39222aebc87ffb898a423310ce9

Link:

https://www.unpac.me/results/de8426cd-e187-46c7-9b97-5a300f80d317/

SH256 hash:

a88b86575b9f44bab08276a41f4851401b21b5e45805e35c2ad72cc326c37576

MD5 hash:

18bbb3f182b975601f24f723915192c1

SHA1 hash:

2d41e2725011a4cc18f7c8b094175d0bafc9433a

Detections:

VidarStealer

Link:

https://www.unpac.me/results/de8426cd-e187-46c7-9b97-5a300f80d317/

Parent samples :

fe8bed09a836755e33c1ad4cae1ea15db42f7f5b5ac669d9a359d8c4fc1df9a1
a88b86575b9f44bab08276a41f4851401b21b5e45805e35c2ad72cc326c37576
2ccc095e2b7de720513d290dea7ad6cde991ebd3773f5140489a461873cb2ba6
fa41bf610e2af66a75a73cb1d348aecc9a275756710c05be99220bbddbd34674
ad7f9e4949343c8fc588c99f74a6d09b5de57d4a90e48e003a28fbf0c80ec0a6
cd866b4aa47daf4efb5f4800b7972404a4dace852d2749ca11cf341ca63a368a
34fea1a2974d12c2d3424ac6c9a23c6587cfad57002b2e6d335b6899f1261e48
b0298a97ebb4c9fdcdc38b916343639e78d8ddc92832ac95707a6d9f83fbd68a

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/a88b86575b9f44bab08276a41f4851401b21b5e45805e35c2ad72cc326c37576

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:	EXE_Vidar_May_2024 Create hunting rule
Author:	NDA0E
Description:	Detects Vidar payload

Rule name:	has_telegram_urls Create hunting rule
Author:	Aaron DeVera<aaron@backchannel.re>
Description:	Detects Telegram URLs

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

Rule name:	Stealc Create hunting rule
Author:	kevoreilly
Description:	Stealc Payload

Rule name:	Stealc_unpacked_PulseIntel Create hunting rule
Author:	PulseIntel
Description:	Stealc Payload

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

Rule name:	Vidar_unpacked_PulseIntel Create hunting rule
Author:	PulseIntel
Description:	Vidar Payload

Rule name:	Windows_Generic_Threat_2bba6bae Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Generic_Threat_c374cd85 Create hunting rule
Author:	Elastic Security

File information

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

No further information available

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
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::CloseHandle KERNEL32.dll::CreateThread
WIN_BASE_API	Uses Win Base API	KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryW KERNEL32.dll::GetDriveTypeA
WIN_BASE_IO_API	Can Create Files	KERNEL32.dll::CreateDirectoryA KERNEL32.dll::CreateFileMappingA 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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