MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f3f2ee666e572cea6eb5bcfd31fbfbc3b0edc9f99db528bb0a640751fb223033. 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 6 File information Comments 1

SHA256 hash: f3f2ee666e572cea6eb5bcfd31fbfbc3b0edc9f99db528bb0a640751fb223033
SHA3-384 hash: ac560f25fcb85dcf40ce9f1afefe89fbc42490ee63cc9c66cbb0cf5a87e81e39398ab6b3a2cb02409f1f782bdf9860f9
SHA1 hash: efc8d7ef37661dadc02171817ff344c84790683f
MD5 hash: 51c75077bca69383b83b1c94c2406e05
humanhash: lamp-item-summer-twelve
File name:51c75077bca69383b83b1c94c2406e05
Download: download sample
Signature Vidar
File size:441'384 bytes
First seen:2024-07-12 06:09:51 UTC
Last seen:2024-07-12 12:56:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 54a5cf5c66bf4d0985703442865d04af (1 x LummaStealer, 1 x Vidar)
ssdeep 6144:LwcfOnB0WvTtMMR0Q+uGQ8n97bfrd1NFqGOGOwqGz5n3eU7FhdSs4ztWTH8S8EO:CnTvT729zd3RObwqGz5n3VFLqS8EO
TLSH T1C694F11175C18472DA73263608E8D77A9A7DB8700FB64D9F27AC4B7E0F70282973166B
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)
Reporter zbetcheckin
Tags:32 exe vidar

Intelligence


File Origin
# of uploads :
2
# of downloads :
397
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f3f2ee666e572cea6eb5bcfd31fbfbc3b0edc9f99db528bb0a640751fb223033.exe
Verdict:
Malicious activity
Analysis date:
2024-07-12 06:15:29 UTC
Tags:
n/a

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

Behaviour
Launching a process
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
Connection attempt to an infection source
Sending an HTTP GET request to an infection source
Running batch commands
Creating a process with a hidden window
Forced shutdown of a system process
Query of malicious DNS domain
Unauthorized injection to a system process
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
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
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 dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sample uses string decryption to hide its real strings
Searches for specific processes (likely to inject)
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 Powershell download and execute
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1472026 Sample: RaSoICdTj0.exe Startdate: 12/07/2024 Architecture: WINDOWS Score: 100 26 steamcommunity.com 2->26 34 Found malware configuration 2->34 36 Malicious sample detected (through community Yara rule) 2->36 38 Antivirus detection for URL or domain 2->38 40 10 other signatures 2->40 8 RaSoICdTj0.exe 2->8         started        signatures3 process4 signatures5 42 Contains functionality to inject code into remote processes 8->42 44 Writes to foreign memory regions 8->44 46 Allocates memory in foreign processes 8->46 48 Injects a PE file into a foreign processes 8->48 11 RegAsm.exe 38 8->11         started        process6 dnsIp7 28 steamcommunity.com 23.197.127.21, 443, 49733 AKAMAI-ASN1EU United States 11->28 30 77.105.132.27, 49760, 80 PLUSTELECOM-ASRU Russian Federation 11->30 32 65.109.241.221, 443, 49734, 49735 ALABANZA-BALTUS United States 11->32 18 C:\Users\user\AppData\...\vidar1207[1].exe, PE32 11->18 dropped 20 C:\ProgramData\softokn3.dll, PE32 11->20 dropped 22 C:\ProgramData\nss3.dll, PE32 11->22 dropped 24 5 other files (3 malicious) 11->24 dropped 50 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->50 52 Found many strings related to Crypto-Wallets (likely being stolen) 11->52 54 Tries to harvest and steal ftp login credentials 11->54 56 4 other signatures 11->56 16 WerFault.exe 22 16 11->16         started        file8 signatures9 process10
Threat name:
Win32.Trojan.Convagent
Status:
Malicious
First seen:
2024-07-11 23:24:52 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
22 of 24 (91.67%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:lumma 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
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Downloads MZ/PE file
Detect Vidar Stealer
Lumma Stealer
Stealc
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199735694209
https://t.me/puffclou
https://contemplateodszsv.shop/api
https://applyzxcksdia.shop/api
https://replacedoxcjzp.shop/api
https://declaredczxi.shop/api
https://catchddkxozvp.shop/api
https://arriveoxpzxo.shop/api
https://bindceasdiwozx.shop/api
https://conformfucdioz.shop/api
https://reinforcedirectorywd.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
SH256 hash:
f3f2ee666e572cea6eb5bcfd31fbfbc3b0edc9f99db528bb0a640751fb223033
MD5 hash:
51c75077bca69383b83b1c94c2406e05
SHA1 hash:
efc8d7ef37661dadc02171817ff344c84790683f
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 f3f2ee666e572cea6eb5bcfd31fbfbc3b0edc9f99db528bb0a640751fb223033

(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
KERNEL32.dll::CreateThreadpoolWork
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::GetConsoleOutputCP
KERNEL32.dll::GetConsoleMode
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateFileW

Comments



Avatar
zbet commented on 2024-07-12 06:09:52 UTC

url : hxxp://77.105.132.27/vidar1207.exe