MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce. 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: 15


Intelligence 15 IOCs YARA 20 File information Comments

SHA256 hash: 81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce
SHA3-384 hash: ee147e38240b5f6a88d1c8360dfd9e406c2273ea05d10fa682986eabd829bae95273180674cdc55fd2a1b1c937778af8
SHA1 hash: 3ade53d77f21861819565b4902d42d17b26b0771
MD5 hash: 9c34d1555408e02bf79d305e14da648f
humanhash: black-network-hot-jersey
File name:SecuriteInfo.com.Win32.Malware-gen.25942.5770
Download: download sample
Signature Vidar
File size:5'007'872 bytes
First seen:2025-02-13 09:04:47 UTC
Last seen:2025-02-13 09:37:35 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 9cbefe68f395e67356e2a5d8d1b285c0 (58 x LummaStealer, 49 x AuroraStealer, 35 x Vidar)
ssdeep 49152:8Uocec9UxniW/mQU/KgxyPZqsHsehXnMuCtHVZK7umnSZHjew1zdRm8y7PSZp5Jn:84ec9KnirhCWyQegK7B8Cy
TLSH T122364990FEDB04B5EA43593518A7627F17306E099F34CB97DA107F5AE8335E20C72A1A
TrID 40.3% (.EXE) Win64 Executable (generic) (10522/11/4)
19.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.2% (.EXE) Win32 Executable (generic) (4504/4/1)
7.7% (.EXE) OS/2 Executable (generic) (2029/13)
7.6% (.EXE) Generic Win/DOS Executable (2002/3)
Magika pebin
Reporter SecuriteInfoCom
Tags:exe vidar

Intelligence


File Origin
# of uploads :
2
# of downloads :
481
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
SecuriteInfo.com.Win32.Malware-gen.25942.5770
Verdict:
Malicious activity
Analysis date:
2025-02-13 09:06:42 UTC
Tags:
golang telegram stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
99.9%
Tags:
emotet trojan virus
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Creating a file
Reading critical registry keys
Creating a window
Running batch commands
Creating a process with a hidden window
Stealing user critical data
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm crypto golang obfuscated
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
Attempt to bypass Chrome Application-Bound Encryption
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
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
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 Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1614102 Sample: SecuriteInfo.com.Win32.Malw... Startdate: 13/02/2025 Architecture: WINDOWS Score: 100 32 sailiabot.com 2->32 34 www.google.com 2->34 36 5 other IPs or domains 2->36 48 Suricata IDS alerts for network traffic 2->48 50 Found malware configuration 2->50 52 Malicious sample detected (through community Yara rule) 2->52 54 5 other signatures 2->54 9 SecuriteInfo.com.Win32.Malware-gen.25942.5770.exe 2->9         started        signatures3 process4 signatures5 56 Writes to foreign memory regions 9->56 58 Allocates memory in foreign processes 9->58 60 Injects a PE file into a foreign processes 9->60 12 BitLockerToGo.exe 28 9->12         started        process6 dnsIp7 42 sailiabot.com 88.99.124.230, 443, 49791, 49792 HETZNER-ASDE Germany 12->42 44 t.me 149.154.167.99, 443, 49790 TELEGRAMRU United Kingdom 12->44 46 127.0.0.1 unknown unknown 12->46 62 Attempt to bypass Chrome Application-Bound Encryption 12->62 64 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->64 66 Found many strings related to Crypto-Wallets (likely being stolen) 12->66 68 5 other signatures 12->68 16 chrome.exe 12->16         started        19 cmd.exe 1 12->19         started        signatures8 process9 dnsIp10 28 192.168.2.4, 138, 443, 49637 unknown unknown 16->28 30 239.255.255.250 unknown Reserved 16->30 21 chrome.exe 16->21         started        24 conhost.exe 19->24         started        26 timeout.exe 1 19->26         started        process11 dnsIp12 38 play.google.com 142.250.184.238, 443, 49841 GOOGLEUS United States 21->38 40 www.google.com 172.217.18.4, 443, 49803, 49804 GOOGLEUS United States 21->40
Threat name:
Win32.Ransomware.Vidar
Status:
Malicious
First seen:
2025-02-13 09:05:20 UTC
File Type:
PE (Exe)
AV detection:
19 of 24 (79.17%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Enumerates system info in registry
Modifies data under HKEY_USERS
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Uses browser remote debugging
Detect Vidar Stealer
Vidar
Vidar family
Malware Config
C2 Extraction:
https://t.me/b4cha00
https://steamcommunity.com/profiles/76561199825403037
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce
MD5 hash:
9c34d1555408e02bf79d305e14da648f
SHA1 hash:
3ade53d77f21861819565b4902d42d17b26b0771
SH256 hash:
dc1719441e27f66da84415d136c0e4884c6ab9a433ed209de645089fbcca3a64
MD5 hash:
a4902a505f1bf9c164f77ebb64ad4d0d
SHA1 hash:
370c80bdb78d1734a6d0bf96eb09f6a699a201d4
Detections:
INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
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:Borland
Author:malware-lu
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectGoMethodSignatures
Author:Wyatt Tauber
Description:Detects Go method signatures in unpacked Go binaries
Rule name:GoBinTest
Rule name:golang
Rule name:Golangmalware
Author:Dhanunjaya
Description:Malware in Golang
Rule name:golang_binary_string
Description:Golang strings present
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:HiveRansomware
Author:Dhanunjaya
Description:Yara Rule To Detect Hive V4 Ransomware
Rule name:identity_golang
Author:Eric Yocam
Description:find Golang malware
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information


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

Web download

Vidar

Executable exe 81a16262857bdc1497888c2196a6abb068da74a736724f34828b048777560cce

(this sample)

  
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::LoadLibraryA
kernel32.dll::LoadLibraryW
kernel32.dll::GetSystemInfo
WIN_BASE_EXEC_APICan Execute other programskernel32.dll::WriteConsoleW
kernel32.dll::SetConsoleCtrlHandler
kernel32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create Fileskernel32.dll::CreateFileA
kernel32.dll::GetSystemDirectoryA

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