MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545. 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 7 File information Comments

SHA256 hash: 3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545
SHA3-384 hash: 1bb8756aba5ce7e8a8035ee688088747fc1b0401d4526479292ab88499a2c72630419338997c8088cd180bd0606ff188
SHA1 hash: 08a84da40cb625471026568b2399538399b44f98
MD5 hash: 77011ba24d1088a963898abc72c6e129
humanhash: florida-missouri-quebec-magnesium
File name:file
Download: download sample
Signature Vidar
File size:413'224 bytes
First seen:2024-09-25 15:58:52 UTC
Last seen:2024-09-26 10:31:39 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:uJ8GsZTOusN+VVrto1ma41z1esugf9xmolEO:uJ8vTOFN+VVZo1ma4B1eQ/met
Threatray 86 similar samples on MalwareBazaar
TLSH T18A94233125D6DA3EFEE7CC7C9034B827345477072A522B8B343AE2965B71794A6F0878
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:147-45-44-104 exe Spam-ITA vidar


Avatar
Bitsight
url: http://147.45.44.104/prog/66f424844286a_vfdhgsd16.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
543
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-25 16:00:01 UTC
Tags:
vidar stealer

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
70%
Tags:
Encryption Static Exploit Micro Tori
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Creating a file in the %temp% directory
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Connection attempt 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
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
Machine Learning 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)
Sigma detected: New RUN Key Pointing to Suspicious Folder
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: 1518461 Sample: file.exe Startdate: 25/09/2024 Architecture: WINDOWS Score: 100 71 yalubluseks.eu 2->71 73 vozmeatillu.shop 2->73 75 11 other IPs or domains 2->75 93 Suricata IDS alerts for network traffic 2->93 95 Found malware configuration 2->95 97 Antivirus detection for URL or domain 2->97 99 13 other signatures 2->99 10 file.exe 2 2->10         started        14 MFDBG.exe 2->14         started        16 MFDBG.exe 2->16         started        signatures3 process4 file5 67 C:\Users\user\AppData\Local\...\file.exe.log, CSV 10->67 dropped 113 Contains functionality to inject code into remote processes 10->113 115 Writes to foreign memory regions 10->115 117 Allocates memory in foreign processes 10->117 119 Injects a PE file into a foreign processes 10->119 18 RegAsm.exe 1 215 10->18         started        23 conhost.exe 10->23         started        25 WerFault.exe 14->25         started        27 WerFault.exe 16->27         started        signatures6 process7 dnsIp8 77 cowod.hopto.org 45.132.206.251, 49745, 80 LIFELINK-ASRU Russian Federation 18->77 79 5.75.211.162, 443, 49713, 49714 HETZNER-ASDE Germany 18->79 81 2 other IPs or domains 18->81 57 C:\Users\user\...\66f424e80b9cc_idsmds[1].exe, PE32 18->57 dropped 59 C:\Users\...\66f4247d51812_lfdsjna[1].exe, PE32 18->59 dropped 61 C:\ProgramData\softokn3.dll, PE32 18->61 dropped 63 7 other files (5 malicious) 18->63 dropped 101 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->101 103 Found many strings related to Crypto-Wallets (likely being stolen) 18->103 105 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 18->105 107 5 other signatures 18->107 29 AFIDGDBGCA.exe 1 5 18->29         started        33 BFIIEHJDBK.exe 18->33         started        35 cmd.exe 18->35         started        file9 signatures10 process11 file12 69 C:\Users\user\AppData\Local\...\MFDBG.exe, PE32 29->69 dropped 121 Machine Learning detection for dropped file 29->121 37 MFDBG.exe 15 1004 29->37         started        123 Writes to foreign memory regions 33->123 125 Allocates memory in foreign processes 33->125 127 Injects a PE file into a foreign processes 33->127 129 LummaC encrypted strings found 33->129 42 RegAsm.exe 33->42         started        44 conhost.exe 33->44         started        46 RegAsm.exe 33->46         started        52 2 other processes 33->52 48 conhost.exe 35->48         started        50 timeout.exe 35->50         started        signatures13 process14 dnsIp15 83 yalubluseks.eu 188.114.96.3, 443, 49738, 49741 CLOUDFLARENETUS European Union 37->83 85 api.ipify.org 172.67.74.152, 49740, 49743, 80 CLOUDFLARENETUS United States 37->85 65 C:\Users\user\AppData\Local\...\FDWDZ.exe, PE32 37->65 dropped 111 Machine Learning detection for dropped file 37->111 54 FDWDZ.exe 37->54         started        87 gutterydhowi.shop 172.67.132.32, 443, 49747 CLOUDFLARENETUS United States 42->87 89 drawzhotdog.shop 172.67.162.108, 443, 49746, 49751 CLOUDFLARENETUS United States 42->89 91 3 other IPs or domains 42->91 file16 signatures17 process18 signatures19 109 Machine Learning detection for dropped file 54->109
Threat name:
ByteCode-MSIL.Trojan.Vidar
Status:
Malicious
First seen:
2024-09-25 15:26:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:vidar botnet:58cd250b15e666e5f72fcf5caa6cb131 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
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:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
SH256 hash:
3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545
MD5 hash:
77011ba24d1088a963898abc72c6e129
SHA1 hash:
08a84da40cb625471026568b2399538399b44f98
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: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 3b914f143432c17ca607ba232ba0122f78096dc04dd7ce3d297ed0036f3b1545

(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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