MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77. 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: 13


Intelligence 13 IOCs YARA File information Comments 1
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77
SHA3-384 hash: 9f30f10663cc16ad1d2ca6529babbc81d99a6cf8a03ee74755d6955664fae0abbb6fd4a22b62273539804b0da1f9b59d
SHA1 hash: e9b51842e2d2f39fa06e466ae73af341ddffe1c8
MD5 hash: 8b8db4eaa6f5368eb5f64359c6197b43
humanhash: eighteen-tango-florida-robin
File name:8b8db4eaa6f5368eb5f64359c6197b43
Download: download sample
Signature Vidar
Create hunting rule
File size:278'290 bytes
First seen:2024-03-28 07:24:26 UTC
Last seen:2024-03-28 09:23:47 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f4639a0b3116c2cfc71144b88a929cfd (98 x GuLoader, 53 x Formbook, 39 x VIPKeylogger)
ssdeep 6144:xfL+oq+hnjsVl3dRQTLU+2bRRR17+fYHPfIMDPSBJ7Y/B4aSi3V:xfL5njsVlNuc++Rj17+fYHPfIg4Y54ap
TLSH T19844E042E7655916ED28823714B93FA34729FD9D6972C3999350FE183C332826FDB322
TrID 47.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
15.9% (.EXE) Win64 Executable (generic) (10523/12/4)
9.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
7.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
6.8% (.EXE) Win32 Executable (generic) (4504/4/1)
File icon (PE):PE icon
dhash icon 92d8c8c8c8c8d886 (2 x AgentTesla, 2 x QuasarRAT, 1 x Formbook)
Reporter zbetcheckin
Tags:32 exe vidar

Intelligence

File Origin
# of uploads :
2
# of downloads :
330
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77.exe
Verdict:
Malicious activity
Analysis date:
2024-03-28 07:53:50 UTC
Tags:
vidar
Link:
https://app.any.run/tasks/8cd5ceda-54c8-4302-82a0-14fcb02f69e7

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

Behaviour
Creating a process from a recently created file
Creating a window
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
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)
Creating a file
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
installer lolbin overlay packed shell32
Link:
https://www.filescan.io/uploads/66051b57f5193ebf8f41da46/reports/8d6a354a-4ef8-4596-8271-0c91b9387ba3/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77
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/a23550bc-3351-45eb-af56-51c31b8e2468
Result
Threat name:
Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1416885
Signature
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Encrypted powershell cmdline option found
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Found suspicious powershell code related to unpacking or dynamic code loading
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: Base64 Encoded PowerShell Command Detected
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
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
Very long command line found
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected Powershell dedcode and execute
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1416885 Sample: yU3icg18lq.exe Startdate: 28/03/2024 Architecture: WINDOWS Score: 100 48 steamcommunity.com 2->48 62 Found malware configuration 2->62 64 Malicious sample detected (through community Yara rule) 2->64 66 Antivirus detection for URL or domain 2->66 68 11 other signatures 2->68 10 yU3icg18lq.exe 7 2->10         started        signatures3 process4 file5 36 C:\Users\user\temp.bat, DOS 10->36 dropped 38 C:\Users\user\start.vbs, ASCII 10->38 dropped 13 wscript.exe 1 10->13         started        process6 signatures7 80 Wscript starts Powershell (via cmd or directly) 13->80 82 Windows Scripting host queries suspicious COM object (likely to drop second stage) 13->82 84 Suspicious execution chain found 13->84 16 cmd.exe 2 13->16         started        process8 signatures9 54 Suspicious powershell command line found 16->54 56 Wscript starts Powershell (via cmd or directly) 16->56 58 Very long command line found 16->58 60 2 other signatures 16->60 19 powershell.exe 15 16->19         started        22 powershell.exe 16 16->22         started        25 conhost.exe 16->25         started        process10 file11 70 Writes to foreign memory regions 19->70 72 Injects a PE file into a foreign processes 19->72 27 RegAsm.exe 37 19->27         started        32 RegAsm.exe 19->32         started        34 C:\Users\user\-temp.ps1, Unicode 22->34 dropped 74 Found many strings related to Crypto-Wallets (likely being stolen) 22->74 76 Suspicious execution chain found 22->76 78 Found suspicious powershell code related to unpacking or dynamic code loading 22->78 signatures12 process13 dnsIp14 50 78.46.229.36, 443, 49708, 49709 HETZNER-ASDE Germany 27->50 52 steamcommunity.com 23.47.27.74, 443, 49707 AKAMAI-ASUS United States 27->52 40 C:\Users\user\AppData\...\vcruntime140[1].dll, PE32 27->40 dropped 42 C:\Users\user\AppData\...\softokn3[1].dll, PE32 27->42 dropped 44 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 27->44 dropped 46 10 other files (none is malicious) 27->46 dropped 86 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 27->86 88 Found many strings related to Crypto-Wallets (likely being stolen) 27->88 90 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 27->90 94 4 other signatures 27->94 92 Searches for specific processes (likely to inject) 32->92 file15 signatures16
Score:
99%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77/
Threat name:
Win32.Trojan.Smokeloader
Create hunting rule
Status:
Malicious
First seen:
2024-03-27 11:32:33 UTC
File Type:
PE (Exe)
Extracted files:
2
AV detection:
16 of 23 (69.57%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kuzhx7y7ux7jxan34r72uteocax6f7alaiki72lhpjhejtdnpj3q._file
Verdict:
unknown
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:vidar botnet:72f54d93118188013f2386eef7e5cc05 stealer
Link:
https://tria.ge/reports/240328-h8zxlada96/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Program crash
Suspicious use of SetThreadContext
Checks computer location settings
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199658817715
https://t.me/sa9ok
Unpacked files
SH256 hash:
55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77
MD5 hash:
8b8db4eaa6f5368eb5f64359c6197b43
SHA1 hash:
e9b51842e2d2f39fa06e466ae73af341ddffe1c8
Link:
https://www.unpac.me/results/a7c86237-238a-4f55-9c56-9f5acccae22f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/55327bff1fa5/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77

File information

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

Web download

Vidar

Executable exe 55327bff1fa5fe9b81bbe47faa4c8e102fe2fc0b02148fe9677a4e44cc6d7a77

(this sample)

  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/2794516/

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
COM_BASE_APICan Download & Execute componentsole32.dll::CoCreateInstance
SECURITY_BASE_APIUses Security Base APIADVAPI32.dll::AdjustTokenPrivileges
SHELL_APIManipulates System ShellSHELL32.dll::ShellExecuteExW
SHELL32.dll::SHFileOperationW
SHELL32.dll::SHGetFileInfoW
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CreateProcessW
ADVAPI32.dll::OpenProcessToken
KERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetDiskFreeSpaceW
KERNEL32.dll::GetCommandLineW
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CopyFileW
KERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW
WIN_BASE_USER_APIRetrieves Account InformationADVAPI32.dll::LookupPrivilegeValueW
WIN_REG_APICan Manipulate Windows RegistryADVAPI32.dll::RegCreateKeyExW
ADVAPI32.dll::RegDeleteKeyW
ADVAPI32.dll::RegOpenKeyExW
ADVAPI32.dll::RegQueryValueExW
ADVAPI32.dll::RegSetValueExW
WIN_USER_APIPerforms GUI ActionsUSER32.dll::AppendMenuW
USER32.dll::EmptyClipboard
USER32.dll::FindWindowExW
USER32.dll::OpenClipboard
USER32.dll::PeekMessageW
USER32.dll::CreateWindowExW

Comments


Avatar
zbet commented on 2024-03-28 07:24:27 UTC

url : hxxp://185.149.146.227/bd2.exe