MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 070525acc7ca073a859038aa927c87cb57749743b2e26ca5b614effd3ec15376. 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 4 File information Comments

SHA256 hash: 070525acc7ca073a859038aa927c87cb57749743b2e26ca5b614effd3ec15376
SHA3-384 hash: eeaecc3ec165840771c986beffe030d615468f88359fefaf9f2ceb3ac9cae73bf7d8e55fb07e159bc663c1d1ab228a41
SHA1 hash: 37988c5258317c6280321fdaa2149fd497725e40
MD5 hash: d8051df75639a21f17f857e68886ac5f
humanhash: robin-charlie-jupiter-jig
File name:file
Download: download sample
Signature Vidar
File size:262'656 bytes
First seen:2024-03-23 02:01:44 UTC
Last seen:2024-03-23 03:28:07 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 3072:bvhZwF90rD6pmxO+ocuepLJOw8faTvUUL50k6h9ZgLRhXxqKy1GADVxtOySPUd2J:WUDQH4OQP0LAwKyMAgySPUJY8/m
TLSH T1E444E04A7BF45751E7557270C0E3992A03FAE50776B3E74A3EC40A862A227FC8D09BC5
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Reporter Bitsight
Tags:exe vidar


Avatar
Bitsight
url: https://vk.com/doc329118071_676202726?hash=X0xqV81K86zppz2PQ5RykxZXyMyFsY37TdOsv9AtCP0&dl=CBKhBzZeSZrezzF0vif0mN2v0YClfwN8HMZJTLpmhZD&api=1&no_preview=1#mene

Intelligence


File Origin
# of uploads :
3
# of downloads :
479
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
070525acc7ca073a859038aa927c87cb57749743b2e26ca5b614effd3ec15376.exe
Verdict:
Malicious activity
Analysis date:
2024-03-23 02:04:52 UTC
Tags:
vidar

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

Behaviour
Searching for the window
Launching a process
Creating a file
Сreating synchronization primitives
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)
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
net_reactor packed packed
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.
Result
Threat name:
PureLog Stealer, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains very large array initializations
Allocates memory in foreign processes
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
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 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 PureLog Stealer
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1414343 Sample: file.exe Startdate: 23/03/2024 Architecture: WINDOWS Score: 100 27 steamcommunity.com 2->27 33 Multi AV Scanner detection for domain / URL 2->33 35 Found malware configuration 2->35 37 Multi AV Scanner detection for submitted file 2->37 39 9 other signatures 2->39 7 file.exe 2 2->7         started        signatures3 process4 signatures5 41 Found many strings related to Crypto-Wallets (likely being stolen) 7->41 43 Contains functionality to inject code into remote processes 7->43 45 Writes to foreign memory regions 7->45 47 2 other signatures 7->47 10 RegAsm.exe 36 7->10         started        15 RegAsm.exe 7->15         started        17 conhost.exe 7->17         started        process6 dnsIp7 29 5.75.221.51, 443, 49730, 49731 HETZNER-ASDE Germany 10->29 31 steamcommunity.com 104.91.116.60, 443, 49729 AKAMAI-ASUS United States 10->31 19 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 10->19 dropped 21 C:\Users\user\AppData\...\softokn3[1].dll, PE32 10->21 dropped 23 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 10->23 dropped 25 10 other files (none is malicious) 10->25 dropped 49 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 10->49 51 Found many strings related to Crypto-Wallets (likely being stolen) 10->51 53 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 10->53 57 4 other signatures 10->57 55 Searches for specific processes (likely to inject) 15->55 file8 signatures9
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-03-23 01:28:42 UTC
AV detection:
20 of 37 (54.05%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:4cf8d799a3641f9821e54be56c960e28 stealer
Behaviour
Modifies system certificate store
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199654112719
https://t.me/r2d0s
Unpacked files
SH256 hash:
070525acc7ca073a859038aa927c87cb57749743b2e26ca5b614effd3ec15376
MD5 hash:
d8051df75639a21f17f857e68886ac5f
SHA1 hash:
37988c5258317c6280321fdaa2149fd497725e40
Please note that we are no longer able to provide a coverage score for Virus Total.

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:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:Skystars_Malware_Imphash
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 070525acc7ca073a859038aa927c87cb57749743b2e26ca5b614effd3ec15376

(this sample)

  
Dropped by
Privateloader
  
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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (GUARD_CF)high

Comments