MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431
SHA3-384 hash: d3625748bceb20ea83f1e673a63932804455904f6f1858da832f4b66cdc9baa5c593e820dbdab3d982bfe3097d234e2e
SHA1 hash: d147885ce6f126c41ca47dbdbb48a4bcabc5dfb3
MD5 hash: 9efa9907423cc7a421c7008bd8a0bf0d
humanhash: hot-avocado-july-fix
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:5'099'600 bytes
First seen:2024-03-27 13:50:49 UTC
Last seen:2024-03-28 09:14:00 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'608 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 49152:OmhxjW6ncW+4Zb15jx2QZ88rPKsm+9BnHrkBnqFoniEqtVwSoiG9/u8T2XXNwiv7:OmhxjW6ncWFZbd7Hrk5HnlmAX2Xdwi
TLSH T15D368C037788CA01D16B1A3BD236690063B2EEA69723E70E36D9776D0E73B394547397
TrID 44.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
34.8% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
6.3% (.EXE) Win64 Executable (generic) (10523/12/4)
3.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
File icon (PE):PE icon
dhash icon f8ccdcccdcdcd8d8 (1 x Vidar)
Reporter Bitsight
Tags:exe signed vidar

Code Signing Certificate

Organisation: Century Media
Issuer: Century Media
Algorithm:sha512WithRSAEncryption
Valid from:2024-03-27T10:00:42Z
Valid to:2026-07-30T00:00:00Z
Serial number: 443c5d9807620f40a0ffc0c60453042c
Intelligence: 2 malware samples on MalwareBazaar are signed with this code signing certificate
Thumbprint Algorithm:SHA256
Thumbprint: a2a94d388cb68836641ab01a631e1206848dc909fa0cf286b6210ee20937abb7
Source:This information was brought to you by ReversingLabs A1000 Malware Analysis Platform


Avatar
Bitsight
url: https://chronobloey.net/Videobox02.exe

Intelligence

File Origin
# of uploads :
3
# of downloads :
378
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431.exe
Verdict:
Malicious activity
Analysis date:
2024-03-27 13:53:52 UTC
Tags:
vidar
Link:
https://app.any.run/tasks/d601798a-f90c-48b1-a2c6-981585e6904e

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Launching a process
Creating a file
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Moving a file to the Program Files subdirectory
Replacing files
Sending an HTTP GET request
Forced system process termination
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
lolbin msbuild net_reactor overlay packed
Link:
https://www.filescan.io/uploads/66042449749593bccd27058f/reports/81458e57-ac6f-4bee-866f-bd3701525800/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431
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/096a8591-ad7b-4020-b102-a7fda86d3ab2
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1416503
Signature
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Sigma detected: Silenttrinity Stager Msbuild Activity
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
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
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1416503 Sample: file.exe Startdate: 27/03/2024 Architecture: WINDOWS Score: 100 28 windowsupdatebg.s.llnwi.net 2->28 30 steamcommunity.com 2->30 32 2 other IPs or domains 2->32 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 Multi AV Scanner detection for submitted file 2->42 44 6 other signatures 2->44 7 file.exe 2 2->7         started        signatures3 process4 file5 18 C:\Users\user\AppData\...\Protect544cd51a.dll, PE32 7->18 dropped 46 Found many strings related to Crypto-Wallets (likely being stolen) 7->46 48 Writes to foreign memory regions 7->48 50 Allocates memory in foreign processes 7->50 52 Injects a PE file into a foreign processes 7->52 11 MSBuild.exe 37 7->11         started        16 MSBuild.exe 7->16         started        signatures6 process7 dnsIp8 34 78.46.229.36, 443, 49707, 49708 HETZNER-ASDE Germany 11->34 36 steamcommunity.com 104.71.182.190, 443, 49706 AKAMAI-ASUS United States 11->36 20 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 11->20 dropped 22 C:\Users\user\AppData\...\softokn3[1].dll, PE32 11->22 dropped 24 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 11->24 dropped 26 10 other files (none is malicious) 11->26 dropped 54 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->54 56 Found many strings related to Crypto-Wallets (likely being stolen) 11->56 58 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->58 62 4 other signatures 11->62 60 Searches for specific processes (likely to inject) 16->60 file9 signatures10
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431/
Threat name:
Win32.Trojan.Privateloader
Create hunting rule
Status:
Malicious
First seen:
2024-03-27 13:51:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
21
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=nenunr2don3owirlmir5cue6ldnogtfebnxafwzx5fuq5kl5cqyq._file
Verdict:
unknown
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:22d12fb91f01647fe2107fec81f0cc22 stealer
Link:
https://tria.ge/reports/240327-q5s9msdd86/
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Loads dropped DLL
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok
Unpacked files
SH256 hash:
691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431
MD5 hash:
9efa9907423cc7a421c7008bd8a0bf0d
SHA1 hash:
d147885ce6f126c41ca47dbdbb48a4bcabc5dfb3
Detections:
INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Link:
https://www.unpac.me/results/0cb54dee-1120-410f-8977-f293c4d4d8bb/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/691b46c74373/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Legit
Score:
0.20
Link:
https://yomi.yoroi.company/submissions/691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431

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:INDICATOR_EXE_Packed_DotNetReactor
Create hunting rule
Author:ditekSHen
Description:Detects executables packed with unregistered version of .NET Reactor
Rule name:NET
Create hunting rule
Author:malware-lu
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:pe_imphash
Create hunting rule
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
Author:albertzsigovits
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.

Web download

Vidar

Executable exe 691b46c7437376eb222b6223d1509e58dae34ca40b6e02db37e9690ea97d1431

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2793956/

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

Comments