MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c49f3891c5f1168f59eccfec2dfd503fda8f321a7a7cfc81e1edad027854edc0. 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: c49f3891c5f1168f59eccfec2dfd503fda8f321a7a7cfc81e1edad027854edc0
SHA3-384 hash: 8d4a290c97e4e73895146cacfd8ac7a1b51eda928d828f93279fde07f6287a51a0442e47e3ae4dcd1938321142008d4d
SHA1 hash: 7046b966d868ccfbb5a5ae14c1a448771c4675ff
MD5 hash: bd19fc03b7de2b1489e67944d221f37b
humanhash: hotel-cold-apart-ohio
File name:file
Download: download sample
Signature Vidar
File size:386'560 bytes
First seen:2024-05-15 13:01:44 UTC
Last seen:2024-05-15 13:26:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash e7d84217ed3b03453ae701fc1a0a956b (2 x Vidar, 1 x RedLineStealer, 1 x PureLogsStealer)
ssdeep 6144:0aUkK6bywW0nlLbFqrcB+BGiq9rDPnCLNTWKIFxXRZYg8lVZQekb4n16pqG+3oe:0VAbTW0nlLoI4QnCyFxSlD8b4nQN
TLSH T1E884D010B8C0C432C67725314EE0DBB55A3DF9305BA19DDB77950BBE4F382D29631AAA
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_669602966?hash=pPEnbK8nHosyZFKuw4Tamso7gpBzor0WkQIQeIyjlqP&dl=0erSDz9z8LDP6iYY6CQsIaHhP66DPYGAFkJ52SfhT38&api=1&no_preview=1#mene

Intelligence


File Origin
# of uploads :
2
# of downloads :
423
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
c49f3891c5f1168f59eccfec2dfd503fda8f321a7a7cfc81e1edad027854edc0.exe
Verdict:
Malicious activity
Analysis date:
2024-05-15 13:05:07 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:
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for URL or domain
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 Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1441995 Sample: file.exe Startdate: 15/05/2024 Architecture: WINDOWS Score: 100 33 steamcommunity.com 2->33 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus detection for URL or domain 2->43 45 9 other signatures 2->45 9 file.exe 1 2->9         started        signatures3 process4 signatures5 47 Contains functionality to inject code into remote processes 9->47 49 Writes to foreign memory regions 9->49 51 Allocates memory in foreign processes 9->51 53 Injects a PE file into a foreign processes 9->53 12 RegAsm.exe 1 45 9->12         started        17 conhost.exe 9->17         started        process6 dnsIp7 35 steamcommunity.com 23.194.234.100, 443, 49730 AKAMAI-ASUS United States 12->35 37 95.217.240.101, 443, 49731, 49732 HETZNER-ASDE Germany 12->37 25 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 12->25 dropped 27 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->27 dropped 29 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->29 dropped 31 10 other files (none is malicious) 12->31 dropped 55 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->55 57 Found many strings related to Crypto-Wallets (likely being stolen) 12->57 59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->59 61 6 other signatures 12->61 19 cmd.exe 1 12->19         started        file8 signatures9 process10 process11 21 conhost.exe 19->21         started        23 timeout.exe 1 19->23         started       
Threat name:
Win32.Trojan.Whispergate
Status:
Malicious
First seen:
2024-05-15 13:02:05 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 23 (86.96%)
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:
c49f3891c5f1168f59eccfec2dfd503fda8f321a7a7cfc81e1edad027854edc0
MD5 hash:
bd19fc03b7de2b1489e67944d221f37b
SHA1 hash:
7046b966d868ccfbb5a5ae14c1a448771c4675ff
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 c49f3891c5f1168f59eccfec2dfd503fda8f321a7a7cfc81e1edad027854edc0

(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