MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2ffef01bdc9bae49a79e618e8300421e0bb8aa08b2d0c81fbea2b76d12c49375. 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: 17


Intelligence 17 IOCs YARA 5 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2ffef01bdc9bae49a79e618e8300421e0bb8aa08b2d0c81fbea2b76d12c49375
SHA3-384 hash: 86c48beed250befc3e300ee8b52fab5c693dbed39203ef3fffea03db2d6423793d7821e17cba1cb3b0878c2da3c4c311
SHA1 hash: 397ccfc27b441e39cdfe1003723cc5bda338162f
MD5 hash: ab42cac4652c80d4884a0647e191fb9b
humanhash: nevada-arkansas-one-winner
File name:file
Download: download sample
Signature Vidar
Create hunting rule
File size:572'968 bytes
First seen:2024-10-04 08:19:34 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 69854c3157e3707e6096a5eb135f16aa (4 x Vidar, 2 x Stealc, 2 x MetaStealer)
ssdeep 12288:PFdmQisJRpSFxTMiLRNdLomAUt36Fo2vSehEzbiUpQP2EO:z7RoD7RbLAUZ2QG2t
TLSH T14AC4F16176D08072D573023208E5DB705F7EBDB00EA28E9F7B585BBE4F20391DA2566B
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://hans.uniformeslaamistad.com/ldms/04a4f32fae41.exe#d16

Intelligence

File Origin
# of uploads :
1
# of downloads :
406
Origin country :
US US
Vendor Threat Intelligence
Malware family:
vidar
Create hunting rule
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-10-04 08:20:09 UTC
Tags:
vidar stealer stealc loader
Link:
https://app.any.run/tasks/f736e624-8e18-47d2-99ba-3dc2a28eb8a8

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
92.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=66ffa535780a9b632d22caee
Tags:
Injection Exploit Emotet Crypt
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Searching for synchronization primitives
Creating a file in the %temp% directory
Launching the default Windows debugger (dwwin.exe)
Сreating synchronization primitives
DNS request
Connection attempt
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Connection attempt to an infection source
Running batch commands
Creating a process with a hidden window
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 invalid-signature microsoft_visual_cc overlay packed signed
Link:
https://www.filescan.io/uploads/66ffa5397cc22997e797fba0/reports/67da19f5-4bb9-42ff-b61e-8907ccd33a2c/overview
Verdict:
Malicious
Labled as:
Malware
Link:
https://www.hybrid-analysis.com/sample/2ffef01bdc9bae49a79e618e8300421e0bb8aa08b2d0c81fbea2b76d12c49375
Result
Verdict:
SUSPICIOUS
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/36264f9c-2362-4758-bec2-709bab3cbb76
Result
Threat name:
LummaC, Vidar
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1525486
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
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
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 stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1525486 Sample: file.exe Startdate: 04/10/2024 Architecture: WINDOWS Score: 100 50 treatynreit.site 2->50 52 steamcommunity.com 2->52 54 13 other IPs or domains 2->54 66 Multi AV Scanner detection for domain / URL 2->66 68 Suricata IDS alerts for network traffic 2->68 70 Found malware configuration 2->70 72 15 other signatures 2->72 9 file.exe 2->9         started        signatures3 process4 signatures5 82 Writes to foreign memory regions 9->82 84 Allocates memory in foreign processes 9->84 86 Injects a PE file into a foreign processes 9->86 12 MSBuild.exe 1 185 9->12         started        17 MSBuild.exe 9->17         started        19 WerFault.exe 21 16 9->19         started        21 MSBuild.exe 9->21         started        process6 dnsIp7 56 cowod.hopto.org 45.132.206.251, 49749, 80 LIFELINK-ASRU Russian Federation 12->56 58 proxy.johnmccrea.com 141.98.233.156, 49745, 80 CH-NET-ASRO Russian Federation 12->58 60 playd.healthnlife.pk 147.45.44.104, 49746, 80 FREE-NET-ASFREEnetEU Russian Federation 12->60 38 C:\Users\user\AppData\Local\...\sql[1].dll, PE32 12->38 dropped 40 C:\Users\user\AppData\...\softokn3[1].dll, PE32 12->40 dropped 42 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 12->42 dropped 46 12 other files (8 malicious) 12->46 dropped 88 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->88 90 Found many strings related to Crypto-Wallets (likely being stolen) 12->90 92 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 12->92 98 4 other signatures 12->98 23 KJKKKJJJKJ.exe 12->23         started        26 cmd.exe 1 12->26         started        94 Contains functionality to inject code into remote processes 17->94 96 Searches for specific processes (likely to inject) 17->96 44 C:\ProgramData\Microsoft\...\Report.wer, Unicode 19->44 dropped file8 signatures9 process10 signatures11 74 Machine Learning detection for dropped file 23->74 76 Writes to foreign memory regions 23->76 78 Allocates memory in foreign processes 23->78 80 Injects a PE file into a foreign processes 23->80 28 MSBuild.exe 23->28         started        31 WerFault.exe 20 16 23->31         started        34 conhost.exe 26->34         started        36 timeout.exe 1 26->36         started        process12 dnsIp13 62 beearvagueo.site 104.21.93.202, 443, 49750 CLOUDFLARENETUS United States 28->62 64 steamcommunity.com 104.102.49.254, 443, 49747 AKAMAI-ASUS United States 28->64 48 C:\ProgramData\Microsoft\...\Report.wer, Unicode 31->48 dropped file14
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/2ffef01bdc9bae49a79e618e8300421e0bb8aa08b2d0c81fbea2b76d12c49375
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2ffef01bdc9bae49a79e618e8300421e0bb8aa08b2d0c81fbea2b76d12c49375/
Threat name:
Win32.Trojan.Vidar
Create hunting rule
Status:
Malicious
First seen:
2024-10-04 08:20:06 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=f77pag64toxetj46mghigaccdyf3rkqiwlimqh56uk3w2ewesn2q._file
Verdict:
malicious
Label(s):
stealc
Create hunting rule
Similar samples:
error
Vidar
Result
Malware family:
vidar
Create hunting rule
Score:
  10/10
Tags:
family:lumma family:vidar credential_access discovery spyware stealer
Link:
https://tria.ge/reports/241004-j8e3vstcpm/
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
Lumma Stealer, LummaC
Vidar
Detect Vidar Stealer
Malware Config
C2 Extraction:
http://proxy.johnmccrea.com/
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
https://beearvagueo.site/api
Verdict:
Malicious
Tags:
stealc vidar stealc
YARA:
n/a
Link:
https://app.threat.zone/submission/4e761e95-a26f-4c56-9021-c16079c68ed9
Unpacked files
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
Link:
https://www.unpac.me/results/4009ef81-0db6-407c-a8fa-9d61d3d9690f/
SH256 hash:
fb22e7a453bda48158897d4825e2c4356889b7a400c9a1815dcc169dd7fb6c94
MD5 hash:
a6c08472319edca46ff13f9443d75e1a
SHA1 hash:
28b24c4b410e086799a94c827bc33706229e39fc
Detections:
VidarStealer
Create hunting rule
Link:
https://www.unpac.me/results/4009ef81-0db6-407c-a8fa-9d61d3d9690f/
Parent samples :
2ffef01bdc9bae49a79e618e8300421e0bb8aa08b2d0c81fbea2b76d12c49375
068d53785a0b43ef01fdeb40f9ae7168190bc094414173eb5f964f74e979d0d8
SH256 hash:
2ffef01bdc9bae49a79e618e8300421e0bb8aa08b2d0c81fbea2b76d12c49375
MD5 hash:
ab42cac4652c80d4884a0647e191fb9b
SHA1 hash:
397ccfc27b441e39cdfe1003723cc5bda338162f
Link:
https://www.unpac.me/results/4009ef81-0db6-407c-a8fa-9d61d3d9690f/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/2ffef01bdc9b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Stealc
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2ffef01bdc9bae49a79e618e8300421e0bb8aa08b2d0c81fbea2b76d12c49375

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
Create hunting rule
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:PE_Digital_Certificate
Create hunting rule
Author:albertzsigovits
Rule name:PE_Potentially_Signed_Digital_Certificate
Create hunting rule
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 2ffef01bdc9bae49a79e618e8300421e0bb8aa08b2d0c81fbea2b76d12c49375

(this sample)

  
Dropped by
Privateloader
  
Delivery method
Distributed via web download
  
URLhaus
https://urlhaus.abuse.ch/url/3209563/

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

Comments