MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d. 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: 18


Intelligence 18 IOCs YARA 4 File information Comments

SHA256 hash: 84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d
SHA3-384 hash: fdf4548df17ab4e09c6c202675165757bc9d887775622ca5558d754b0027e9d79a58bde37332113927129ef622323dcb
SHA1 hash: 9fcd468bc8ebcc5dd1bf98329824bb5fc8c2b255
MD5 hash: 64bb15a561342db08d8362ab5b83f37f
humanhash: carbon-paris-iowa-sweet
File name:file
Download: download sample
Signature Vidar
File size:403'456 bytes
First seen:2024-09-23 14:05:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 12288:hLHiRiF5lT7ODeIbuH5+zte+NyLt/8DERu:hLHiReODeIbuH5gtbNyiE
Threatray 17 similar samples on MalwareBazaar
TLSH T137842305ABC5A7B7E77F5FB6BCBF2B118F4CD663A0665342806B74B95A027206250CB0
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://147.45.45.69/vfsdhfsd16.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
409
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-23 14:17:46 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:
Static Monitor Virus
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
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
Sending an HTTP GET request
Running batch commands
Creating a process with a hidden window
Unauthorized injection to a system process
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
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 dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Creates multiple autostart registry keys
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
PE file contains section with special chars
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: 1515923 Sample: file.exe Startdate: 23/09/2024 Architecture: WINDOWS Score: 100 71 surroundeocw.shop 2->71 73 steamcommunity.com 2->73 75 12 other IPs or domains 2->75 107 Suricata IDS alerts for network traffic 2->107 109 Found malware configuration 2->109 111 Antivirus detection for URL or domain 2->111 113 15 other signatures 2->113 10 file.exe 2 2->10         started        14 IDSM.exe 2->14         started        16 IDSM.exe 2->16         started        signatures3 process4 file5 67 C:\Users\user\AppData\Local\...\file.exe.log, CSV 10->67 dropped 135 Contains functionality to inject code into remote processes 10->135 137 Writes to foreign memory regions 10->137 139 Allocates memory in foreign processes 10->139 141 Injects a PE file into a foreign processes 10->141 18 RegAsm.exe 1 193 10->18         started        23 RegAsm.exe 10->23         started        25 conhost.exe 10->25         started        27 WerFault.exe 14->27         started        29 WerFault.exe 16->29         started        signatures6 process7 dnsIp8 77 cowod.hopto.org 45.132.206.251, 443, 54500, 54501 LIFELINK-ASRU Russian Federation 18->77 79 116.203.15.34, 443, 49718, 49719 HETZNER-ASDE Germany 18->79 81 3 other IPs or domains 18->81 57 C:\Users\user\AppData\...\ndfdsof[1].exe, PE32 18->57 dropped 59 C:\Users\user\AppData\Local\...\lgmdsa[1].exe, PE32 18->59 dropped 61 C:\ProgramData\softokn3.dll, PE32 18->61 dropped 63 7 other files (5 malicious) 18->63 dropped 115 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->115 117 Found many strings related to Crypto-Wallets (likely being stolen) 18->117 119 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 18->119 123 4 other signatures 18->123 31 EHIJJDGDHD.exe 1 7 18->31         started        35 GCGCBAECFC.exe 2 18->35         started        37 cmd.exe 18->37         started        121 Searches for specific processes (likely to inject) 23->121 file9 signatures10 process11 file12 69 C:\Users\user\AppData\Local\Temp\...\IDSM.exe, PE32 31->69 dropped 93 Antivirus detection for dropped file 31->93 95 Machine Learning detection for dropped file 31->95 97 Creates multiple autostart registry keys 31->97 39 IDSM.exe 237 226 31->39         started        99 Writes to foreign memory regions 35->99 101 Allocates memory in foreign processes 35->101 103 Injects a PE file into a foreign processes 35->103 105 LummaC encrypted strings found 35->105 44 RegAsm.exe 35->44         started        46 conhost.exe 35->46         started        48 RegAsm.exe 35->48         started        50 conhost.exe 37->50         started        52 timeout.exe 37->52         started        signatures13 process14 dnsIp15 83 api.ipify.org 104.26.12.205, 54503, 54506, 54509 CLOUDFLARENETUS United States 39->83 85 185.125.102.133, 54502, 54504, 80 BURANTEL-ASRU Russian Federation 39->85 65 C:\Users\user\AppData\Local\...\MSDNG.exe, PE32 39->65 dropped 129 Antivirus detection for dropped file 39->129 131 Machine Learning detection for dropped file 39->131 133 Creates multiple autostart registry keys 39->133 54 MSDNG.exe 39->54         started        87 racedsuitreow.shop 104.21.37.97, 443, 54487 CLOUDFLARENETUS United States 44->87 89 deallyharvenw.shop 104.21.57.218, 443, 54490 CLOUDFLARENETUS United States 44->89 91 4 other IPs or domains 44->91 file16 signatures17 process18 signatures19 125 Antivirus detection for dropped file 54->125 127 Machine Learning detection for dropped file 54->127
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-09-23 14:06:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma family:vidar botnet:58cd250b15e666e5f72fcf5caa6cb131 credential_access discovery persistence spyware stealer
Behaviour
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Checks processor information in registry
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Looks up external IP address via web service
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Reads data files stored by FTP clients
Reads user/profile data of web browsers
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Detect Vidar Stealer
Lumma Stealer, LummaC
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199780418869
https://t.me/ae5ed
https://surroundeocw.shop/api
https://racedsuitreow.shop/api
https://defenddsouneuw.shop/api
https://deallyharvenw.shop/api
https://priooozekw.shop/api
https://pumpkinkwquo.shop/api
https://abortinoiwiam.shop/api
https://covvercilverow.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
SH256 hash:
84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d
MD5 hash:
64bb15a561342db08d8362ab5b83f37f
SHA1 hash:
9fcd468bc8ebcc5dd1bf98329824bb5fc8c2b255
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:pe_imphash
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 84cf6bb876853f4b8bfe9d3b27baf91bb04dd29031d1724b78337a28985c676d

(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

Comments