MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bf41950c2b87050f69bbcb6cb810e990d9a1f60a7109e8a3ba4668f2e397db96. 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 8 File information Comments

SHA256 hash: bf41950c2b87050f69bbcb6cb810e990d9a1f60a7109e8a3ba4668f2e397db96
SHA3-384 hash: 130785aa5e60f9f000169ef9ad7cf3f08bb145a81b6c925d1b1c6b34702f0c5a869dfe33dc56f46b92a547b5d54ee8f0
SHA1 hash: 25efa25249943f752eb980d33a9945f126310fa9
MD5 hash: 5f1ea69f876e6c0b3f52c49cb56a5933
humanhash: september-one-quiet-hotel
File name:file
Download: download sample
Signature Vidar
File size:411'512 bytes
First seen:2024-09-20 12:13:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 12288:DuSEc/XKSAotoNQQGqlWAmyF0x3EGXY0kD:DIcPKTotHQ5Wzp5SD
Threatray 35 similar samples on MalwareBazaar
TLSH T1F89423762FDCB414F5941872B7F3E3248972FBA0B4AC11D6305AA69ECDD7B3006A115E
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10523/12/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter Bitsight
Tags:exe vidar


Avatar
Bitsight
url: http://147.45.44.104/prog/66ed33772bbe7_vdfhsjf16.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
437
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-20 12:25:15 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:
Banker Encryption Generic Network Static Stealth
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Launching a process
Creating a file
Creating a file in the %temp% directory
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Using the Windows Management Instrumentation requests
Running batch commands
Creating a process with a hidden window
Forced shutdown of a system process
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
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
.NET source code contains very large array initializations
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
LummaC encrypted strings found
Multi AV Scanner detection for domain / URL
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)
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: 1514455 Sample: file.exe Startdate: 20/09/2024 Architecture: WINDOWS Score: 100 44 steamcommunity.com 2->44 46 quotamkdsdqo.shop 2->46 48 11 other IPs or domains 2->48 62 Multi AV Scanner detection for domain / URL 2->62 64 Suricata IDS alerts for network traffic 2->64 66 Found malware configuration 2->66 68 14 other signatures 2->68 9 file.exe 2 2->9         started        signatures3 process4 file5 34 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 9->34 dropped 78 Contains functionality to inject code into remote processes 9->78 80 Writes to foreign memory regions 9->80 82 Allocates memory in foreign processes 9->82 84 Injects a PE file into a foreign processes 9->84 13 RegAsm.exe 1 127 9->13         started        18 conhost.exe 9->18         started        signatures6 process7 dnsIp8 56 cowod.hopto.org 45.132.206.251, 443, 58840, 58842 LIFELINK-ASRU Russian Federation 13->56 58 116.203.165.127, 443, 49740, 49741 HETZNER-ASDE Germany 13->58 60 2 other IPs or domains 13->60 36 C:\Users\...\66ecb454d2b4a_lgfdsjgds[1].exe, PE32 13->36 dropped 38 C:\ProgramData\softokn3.dll, PE32 13->38 dropped 40 C:\ProgramData\nss3.dll, PE32 13->40 dropped 42 5 other files (3 malicious) 13->42 dropped 86 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->86 88 Found many strings related to Crypto-Wallets (likely being stolen) 13->88 90 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 13->90 92 5 other signatures 13->92 20 EBAAFCAFCB.exe 2 13->20         started        23 cmd.exe 1 13->23         started        file9 signatures10 process11 signatures12 70 Multi AV Scanner detection for dropped file 20->70 72 Writes to foreign memory regions 20->72 74 Allocates memory in foreign processes 20->74 76 2 other signatures 20->76 25 RegAsm.exe 20->25         started        28 conhost.exe 20->28         started        30 conhost.exe 23->30         started        32 timeout.exe 1 23->32         started        process13 dnsIp14 50 metallygaricwo.shop 104.21.75.242, 443, 58845 CLOUDFLARENETUS United States 25->50 52 carrtychaintnyw.shop 104.21.81.254, 443, 58848 CLOUDFLARENETUS United States 25->52 54 4 other IPs or domains 25->54
Threat name:
ByteCode-MSIL.Trojan.Jalapeno
Status:
Malicious
First seen:
2024-09-20 12:14:11 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
21 of 24 (87.50%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:b438a316528fda660b5e4e28911b77a1 credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks installed software on the system
Reads user/profile data of web browsers
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
169bf428b385b99ca5fd06b9eb10fae7e631b7899cd66e3e4ae402233193280b
MD5 hash:
06a8d32ae9251564b3ec4b340a2f5e49
SHA1 hash:
87fb3a45f3a213b2af4b3a5be25a8f0e2680fbda
Detections:
VidarStealer
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
SH256 hash:
bf41950c2b87050f69bbcb6cb810e990d9a1f60a7109e8a3ba4668f2e397db96
MD5 hash:
5f1ea69f876e6c0b3f52c49cb56a5933
SHA1 hash:
25efa25249943f752eb980d33a9945f126310fa9
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:Detect_APT29_WINELOADER_Backdoor
Author:daniyyell
Description:Detects APT29's WINELOADER backdoor variant used in phishing campaigns, this rule also detect bad pdf,shtml,htm and vbs or maybe more depends
Reference:https://cloud.google.com/blog/topics/threat-intelligence/apt29-wineloader-german-political-parties
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_imphash
Rule name:PE_Potentially_Signed_Digital_Certificate
Author:albertzsigovits
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash

File information


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

Web download

Vidar

Executable exe bf41950c2b87050f69bbcb6cb810e990d9a1f60a7109e8a3ba4668f2e397db96

(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 (GUARD_CF)high

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