MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d. 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 6 File information Comments

SHA256 hash: fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d
SHA3-384 hash: b69547cb3f027640564099e9e7bf1e1ce5a9b157f409a39f35a480e5d462bbc70ac3dddd78f18a51015e55702e9d251e
SHA1 hash: 7ce51feb0e818f5acb6ba4f1deb9f4fef04d7cd6
MD5 hash: c9784db0c88a05a8aae9ddb7289b51db
humanhash: six-tennis-oven-georgia
File name:file
Download: download sample
Signature Vidar
File size:573'304 bytes
First seen:2024-10-03 13:13:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 1186293b831ff45d8016d71d51f87333 (1 x Vidar, 1 x LummaStealer)
ssdeep 12288:W/VmqBOr6mq0eOValpFrLeIOu2qSturmTdFtiDPF:0nHYKr5iIOu2qcOmTnti7F
Threatray 184 similar samples on MalwareBazaar
TLSH T17EC4011175C08031CA73163619E8DB745E7EBD614AB2AE9F67944B7E0F302C2D621BBB
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)
Magika pebin
Reporter Bitsight
Tags:exe vidar


Avatar
Bitsight
url: http://playd.healthnlife.pk/ldms/9dd06d870941.exe#d15

Intelligence


File Origin
# of uploads :
1
# of downloads :
398
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-03 13:14:24 UTC
Tags:
vidar stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Tags:
Injection Exploit Obfusc
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Searching for synchronization primitives
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Connection attempt to an infection source
Sending a TCP request to an infection source
Query of malicious DNS domain
Unauthorized injection to a system process
Sending an HTTP POST request to an infection source
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
epmicrosoft_visual_cc fingerprint microsoft_visual_cc overlay 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:
LummaC, Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
AI detected suspicious sample
Allocates memory in foreign processes
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Country aware sample found (crashes after keyboard check)
Found malware configuration
Found many strings related to Crypto-Wallets (likely being stolen)
Injects a PE file into a foreign processes
LummaC encrypted strings found
Machine Learning detection for dropped file
Machine Learning detection for sample
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
Sigma detected: Silenttrinity Stager Msbuild Activity
Suricata IDS alerts for network traffic
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 LummaC Stealer
Yara detected Powershell download and execute
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1524997 Sample: file.exe Startdate: 03/10/2024 Architecture: WINDOWS Score: 100 54 treatynreit.site 2->54 56 steamcommunity.com 2->56 58 14 other IPs or domains 2->58 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 Antivirus detection for URL or domain 2->72 74 14 other signatures 2->74 9 file.exe 2->9         started        signatures3 process4 signatures5 84 Writes to foreign memory regions 9->84 86 Allocates memory in foreign processes 9->86 88 Injects a PE file into a foreign processes 9->88 12 MSBuild.exe 1 216 9->12         started        17 MSBuild.exe 9->17         started        19 WerFault.exe 19 16 9->19         started        21 MSBuild.exe 9->21         started        process6 dnsIp7 60 cowod.hopto.org 45.132.206.251, 56268, 80 LIFELINK-ASRU Russian Federation 12->60 62 49.12.197.9, 443, 49713, 49714 HETZNER-ASDE Germany 12->62 64 2 other IPs or domains 12->64 42 C:\Users\user\AppData\...\a43486128347[1].exe, PE32 12->42 dropped 44 C:\ProgramData\softokn3.dll, PE32 12->44 dropped 46 C:\ProgramData\nss3.dll, PE32 12->46 dropped 50 5 other files (3 malicious) 12->50 dropped 90 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->90 92 Found many strings related to Crypto-Wallets (likely being stolen) 12->92 94 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->94 100 4 other signatures 12->100 23 CBFCFBFBFB.exe 12->23         started        26 cmd.exe 1 12->26         started        96 Contains functionality to inject code into remote processes 17->96 98 Searches for specific processes (likely to inject) 17->98 48 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->48 dropped file8 signatures9 process10 signatures11 76 Machine Learning detection for dropped file 23->76 78 Writes to foreign memory regions 23->78 80 Allocates memory in foreign processes 23->80 82 Injects a PE file into a foreign processes 23->82 28 MSBuild.exe 23->28         started        31 WerFault.exe 22 16 23->31         started        34 MSBuild.exe 23->34         started        36 MSBuild.exe 23->36         started        38 conhost.exe 26->38         started        40 timeout.exe 1 26->40         started        process12 dnsIp13 66 advocachark.store 172.67.166.76, 443, 56266 CLOUDFLARENETUS United States 28->66 52 C:\ProgramData\Microsoft\...\Report.wer, Unicode 31->52 dropped file14
Result
Malware family:
Score:
  10/10
Tags:
family:lumma family:vidar botnet:433cd71b7a2bdd3668a493b00ee95630 credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
Program crash
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Executes dropped EXE
Loads dropped DLL
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Detect Vidar Stealer
Lumma Stealer, LummaC
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
https://advocachark.store/api
Verdict:
Malicious
Tags:
stealc vidar stealc
YARA:
n/a
Unpacked files
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
SH256 hash:
78f2ab74f25bc3259546cb8f3c6ad9325e4b9dca9cdaa9932551e02690a2fb76
MD5 hash:
ea4e5d34e71b50cbbc501bacc9e62463
SHA1 hash:
431a1b48d189b3e42394a39c31548f4e700e03a8
Detections:
VidarStealer
SH256 hash:
fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d
MD5 hash:
c9784db0c88a05a8aae9ddb7289b51db
SHA1 hash:
7ce51feb0e818f5acb6ba4f1deb9f4fef04d7cd6
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)
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits

File information


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

Web download

Vidar

Executable exe fa8e8dfb272f18daaece8b6ac3f9d6b16f9484764aff1005c9096909d75f760d

(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
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::ReadConsoleW
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleWindow
KERNEL32.dll::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

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