MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a167b4a455e452e6e18d6c3da7485ee6200eecc6ba9cb386c13017893f42106. 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 3 File information Comments

SHA256 hash: 4a167b4a455e452e6e18d6c3da7485ee6200eecc6ba9cb386c13017893f42106
SHA3-384 hash: 351e626d1c3d8eb1313d511a03eca286711d25e151cbc69b99f8b73d3e1fa8d07da0301230ff74478aa7f5bbe48b7cdb
SHA1 hash: 80f1e867c895cd2f3d20bdf7d5c6d4b680d0452d
MD5 hash: ab764f78b59e848d92cce172b59fb064
humanhash: butter-oranges-kilo-fish
File name:file
Download: download sample
Signature Vidar
File size:386'560 bytes
First seen:2024-05-14 13:15:15 UTC
Last seen:2024-05-14 14:28:53 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e7d84217ed3b03453ae701fc1a0a956b (2 x Vidar, 1 x RedLineStealer, 1 x PureLogsStealer)
ssdeep 6144:LaUMgC4y2w+bGhvqrcX+IGrv9r4PJkAdoFPcJQGAKcOm43Mg1C2iHK1e747U63hB:LVi4G+bG4I7jJcPbl2iHK1e7Oa
TLSH T1FC84D010B4C0C472DA3325315AF4DB795A3DB9600F616DDF7BA40BBE8F346C2963269A
TrID 32.2% (.EXE) Win64 Executable (generic) (10523/12/4)
20.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
15.4% (.EXE) Win16 NE executable (generic) (5038/12/1)
13.7% (.EXE) Win32 Executable (generic) (4504/4/1)
6.2% (.EXE) OS/2 Executable (generic) (2029/13)
Reporter Bitsight
Tags:exe vidar


Avatar
Bitsight
url: https://vk.com/doc5294803_669568533?hash=DtgJNpyfqhryyVDtPVnqA43MdvRMZfp4aV4w5z52a7k&dl=XzHHhgPRvq1p2AZlXsMGu5QHIHD5oyN50IILYr2i3UD&api=1&no_preview=1#mene

Intelligence


File Origin
# of uploads :
2
# of downloads :
405
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
4a167b4a455e452e6e18d6c3da7485ee6200eecc6ba9cb386c13017893f42106.exe
Verdict:
Malicious activity
Analysis date:
2024-05-14 13:17:19 UTC
Tags:
vidar

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

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
Behavior that indicates a threat
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
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
fingerprint 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:
PrivateLoader, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Opens network shares
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 Powershell download and execute
Yara detected PrivateLoader
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441372 Sample: file.exe Startdate: 14/05/2024 Architecture: WINDOWS Score: 100 37 steamcommunity.com 2->37 43 Found malware configuration 2->43 45 Malicious sample detected (through community Yara rule) 2->45 47 Antivirus / Scanner detection for submitted sample 2->47 49 9 other signatures 2->49 9 file.exe 1 2->9         started        signatures3 process4 signatures5 51 Contains functionality to inject code into remote processes 9->51 53 Writes to foreign memory regions 9->53 55 Allocates memory in foreign processes 9->55 57 Injects a PE file into a foreign processes 9->57 12 RegAsm.exe 1 45 9->12         started        17 RegAsm.exe 9->17         started        19 conhost.exe 9->19         started        21 RegAsm.exe 9->21         started        process6 dnsIp7 39 steamcommunity.com 104.106.57.101, 443, 49730 AKAMAI-ASUS United States 12->39 41 95.217.28.63, 443, 49731, 49732 HETZNER-ASDE Germany 12->41 29 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 12->29 dropped 31 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->31 dropped 33 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->33 dropped 35 10 other files (none is malicious) 12->35 dropped 59 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->59 61 Found many strings related to Crypto-Wallets (likely being stolen) 12->61 63 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->63 67 5 other signatures 12->67 23 cmd.exe 1 12->23         started        65 Searches for specific processes (likely to inject) 17->65 file8 signatures9 process10 process11 25 conhost.exe 23->25         started        27 timeout.exe 1 23->27         started       
Threat name:
Win32.Trojan.Whispergate
Status:
Malicious
First seen:
2024-05-14 13:16:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:stealc family:vidar discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
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:
4a167b4a455e452e6e18d6c3da7485ee6200eecc6ba9cb386c13017893f42106
MD5 hash:
ab764f78b59e848d92cce172b59fb064
SHA1 hash:
80f1e867c895cd2f3d20bdf7d5c6d4b680d0452d
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:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:maldoc_find_kernel32_base_method_1
Author:Didier Stevens (https://DidierStevens.com)

File information


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

Web download

Vidar

Executable exe 4a167b4a455e452e6e18d6c3da7485ee6200eecc6ba9cb386c13017893f42106

(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 (HIGH_ENTROPY_VA)high
Reviews
IDCapabilitiesEvidence
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetStartupInfoW
KERNEL32.dll::GetCommandLineA
KERNEL32.dll::GetCommandLineW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments