MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8d76b794d82b08ad01571c80d7d10f15f713e5df57770297bf4ae786e683958e. 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: 17

Intelligence 17 IOCs YARA 8 File information Comments

SHA256 hash:	8d76b794d82b08ad01571c80d7d10f15f713e5df57770297bf4ae786e683958e
SHA3-384 hash:	a77a260f586fc0558d5fbca4139f6b007ebf8158856fb1e35ef6931254ad53388d0eced58b3e5a49162f71e8d0842a00
SHA1 hash:	1306e3cbf2a81ede8d6d10e15fa853ec79780430
MD5 hash:	f9b53226b01a8030e40effb30bd4991c
humanhash:	missouri-summer-johnny-vegan
File name:	file
Download:	download sample
Signature	Vidar Create hunting rule
File size:	366'080 bytes
First seen:	2023-08-24 22:10:13 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	a3ef7ddd7cc17faf99ed0682c3dd81e2 (1 x Vidar)
ssdeep	6144:LQSHG5PqPjoYT0ZQEcZ5mHeZyiubIV5muWbYF4krz3tMUfBi2kOA1:L1HG549Wcfm+ZYIV5muWbI4krzdzVkOA
Threatray	412 similar samples on MalwareBazaar
TLSH	T127747D26B784E031E4A340F68E79F7F2846D6872271794CBF7C41AA969B01E1573A70F
TrID	47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 15.9% (.EXE) Win64 Executable (generic) (10523/12/4) 9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 7.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 6.8% (.EXE) Win32 Executable (generic) (4505/5/1)
Reporter	andretavare5
Tags:	exe vidar

andretavare5

Sample downloaded from https://vk.com/doc44017378_668352778?hash=W4HE8PsxZgyTUOjhwLFoBDErr2fJWlOS1YDZ6Qkr5Vk&dl=c3ZmtgjvA4jWQksCwxDg803sTfZdmUvG2fXZsSGWjNg&api=1&no_preview=1#2k_test

Intelligence

File Origin

# of uploads :

# of downloads :

330

Origin country :

Vendor Threat Intelligence

Malware family:

arkei

ID:

File name:

file

Verdict:

Malicious activity

Analysis date:

2023-08-24 22:10:50 UTC

Tags:

stealer arkei vidar

Link:

https://app.any.run/tasks/1a76488f-0714-431d-8117-001a4165d159

Note:

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

Detection:

Vidar

Link:

https://www.capesandbox.com/analysis/444603/

Detection(s):

SecuriteInfo.com.Variant.Ser.Zusy.3970.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Searching for the window

Сreating synchronization primitives

DNS request

Sending a custom TCP request

Sending an HTTP GET request

Creating a file

Reading critical registry keys

Using the Windows Management Instrumentation requests

Creating a window

Stealing user critical data

Result

Malware family:

n/a

Score:

8/10

Tags:

n/a

Link:

https://dragonfly.certego.net/analysis/108519/overview

Behaviour

MalwareBazaar

SystemUptime

MeasuringTime

CheckCmdLine

EvasionQueryPerformanceCounter

EvasionGetTickCount

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm control evasive greyware lolbin

Link:

https://www.filescan.io/uploads/64e7d5772a47256e3a2df88d/reports/9c3a4166-2268-496e-bf66-4ac1fbddf8ef/overview

Verdict:

Malicious

Labled as:

Zusy.Generic

Link:

https://www.hybrid-analysis.com/sample/8d76b794d82b08ad01571c80d7d10f15f713e5df57770297bf4ae786e683958e

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/77f20e63-8915-4c05-9ba2-abc2c4b996df

Result

Threat name:

Vidar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1297049

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for URL or domain

C2 URLs / IPs found in malware configuration

Found malware configuration

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

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

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

Tries to steal Crypto Currency Wallets

Uses known network protocols on non-standard ports

Yara detected Vidar stealer

Behaviour

Behavior Graph:

Download SVG

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/8d76b794d82b08ad01571c80d7d10f15f713e5df57770297bf4ae786e683958e/

Threat name:

Win32.Trojan.PrivateLoader

Status:

Malicious

First seen:

2023-08-24 18:51:00 UTC

File Type:

PE (Exe)

AV detection:

17 of 23 (73.91%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=rv3lpfgyfmek2akxdsanpuipcx3rhzo7k53qff57jltynzudswha._file

Result

Malware family:

vidar

Score:

10/10

Tags:

family:vidar botnet:5451f7426913690bc3da17f9c17ac7c3 spyware stealer

Link:

https://tria.ge/reports/230824-13xjdsfh44/

Behaviour

Delays execution with timeout.exe

Modifies system certificate store

Suspicious behavior: EnumeratesProcesses

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

Accesses 2FA software files, possible credential harvesting

Loads dropped DLL

Reads user/profile data of web browsers

Malware Config

C2 Extraction:

https://t.me/buukcay
https://steamcommunity.com/profiles/76561199544211655

Unpacked files

SH256 hash:

8d76b794d82b08ad01571c80d7d10f15f713e5df57770297bf4ae786e683958e

MD5 hash:

f9b53226b01a8030e40effb30bd4991c

SHA1 hash:

1306e3cbf2a81ede8d6d10e15fa853ec79780430

Detections:

VidarStealer

Link:

https://www.unpac.me/results/74f9e8fe-31b7-443b-9322-046fc21f9fc0/

Malware family:

Vidar.A

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/8d76b794d82b/report/overview.html

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/8d76b794d82b08ad01571c80d7d10f15f713e5df57770297bf4ae786e683958e

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

Rule name:	INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs Create hunting rule
Author:	ditekSHen
Description:	Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	Telegram_Links Create hunting rule

Rule name:	Vidar Create hunting rule
Author:	kevoreilly,rony
Description:	Vidar Payload

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	win_vidar_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.vidar.

File information

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

Dropped by

PrivateLoader

Delivery method

Distributed via drive-by

Cape

https://www.capesandbox.com/analysis/444603/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample