MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a022db22575506eacab526bd1976871f842b9c306a9a3c8b1fd69421b0b891e. 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: 16


Intelligence 16 IOCs YARA 7 File information Comments

SHA256 hash: 2a022db22575506eacab526bd1976871f842b9c306a9a3c8b1fd69421b0b891e
SHA3-384 hash: 15daa86af2ebb6e625ffee088f3ca2d4769824d66ad279586f1a9cfe84c10ca111203d911a55cae675acee58f9a8e8c8
SHA1 hash: 89e0967b10eccd55450a87655a73f58990fc6c32
MD5 hash: 878568ba91ba8e9f3c035cf39e51af43
humanhash: tango-idaho-alpha-timing
File name:66bddfcb52736_vidar.exe
Download: download sample
Signature Vidar
File size:215'120 bytes
First seen:2024-08-18 20:03:12 UTC
Last seen:2024-08-18 20:10:21 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'609 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 6144:G0jACyi7vm6bih62fDd9OUu76o/5bETEO:o6qQiMwDG56S5bETEO
TLSH T14324125207DC5916FFAF4C30BCF9E73A9B30D7A9F5D1849FA00A95A6EB02340374612A
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)
Reporter aachum
Tags:exe vidar


Avatar
iamaachum
147.45.44.104/prog/66bddfcb52736_vidar.exe#space

Vidar C2:
https://steamcommunity.com/profiles/76561199751190313
https://t.me/pech0nk

Intelligence


File Origin
# of uploads :
2
# of downloads :
368
Origin country :
ES ES
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
66bddfc358668_stealc.exe
Verdict:
Malicious activity
Analysis date:
2024-08-18 20:03:56 UTC
Tags:
stealer stealc loader lumma vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
93.3%
Tags:
Encryption Static Stealth Heur
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.
Gathering data
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 evasive API chain (may stop execution after checking mutex)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Suricata IDS alerts for network traffic
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: 1494604 Sample: 66bddfcb52736_vidar.exe Startdate: 18/08/2024 Architecture: WINDOWS Score: 100 45 weiggheticulop.shop 2->45 47 tenntysjuxmz.shop 2->47 49 9 other IPs or domains 2->49 75 Suricata IDS alerts for network traffic 2->75 77 Found malware configuration 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 11 other signatures 2->81 9 66bddfcb52736_vidar.exe 1 2->9         started        signatures3 process4 file5 35 C:\Users\user\...\66bddfcb52736_vidar.exe.log, ASCII 9->35 dropped 83 Contains functionality to inject code into remote processes 9->83 85 Writes to foreign memory regions 9->85 87 Allocates memory in foreign processes 9->87 89 Injects a PE file into a foreign processes 9->89 13 RegAsm.exe 1 42 9->13         started        signatures6 process7 dnsIp8 57 195.201.118.191, 443, 49734, 49735 HETZNER-ASDE Germany 13->57 59 steamcommunity.com 23.192.247.89, 443, 49733, 49775 AKAMAI-ASUS United States 13->59 61 147.45.44.104, 49760, 80 FREE-NET-ASFREEnetEU Russian Federation 13->61 37 C:\Users\user\...\66bfee9fd7d9a_lumma[1].exe, PE32 13->37 dropped 39 C:\Users\user\...\66bddfcb52736_vidar[1].exe, PE32 13->39 dropped 41 C:\ProgramData\softokn3.dll, PE32 13->41 dropped 43 7 other files (5 malicious) 13->43 dropped 93 Found evasive API chain (may stop execution after checking mutex) 13->93 95 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 13->95 97 Found many strings related to Crypto-Wallets (likely being stolen) 13->97 99 5 other signatures 13->99 18 DBKKKEHDHC.exe 1 13->18         started        21 KKFHJDAEHI.exe 1 13->21         started        23 cmd.exe 1 13->23         started        file9 signatures10 process11 signatures12 63 Multi AV Scanner detection for dropped file 18->63 65 Machine Learning detection for dropped file 18->65 67 Writes to foreign memory regions 18->67 69 LummaC encrypted strings found 18->69 25 RegAsm.exe 18->25         started        71 Allocates memory in foreign processes 21->71 73 Injects a PE file into a foreign processes 21->73 28 RegAsm.exe 17 21->28         started        31 conhost.exe 23->31         started        33 timeout.exe 1 23->33         started        process13 dnsIp14 51 southedhiscuso.shop 104.21.17.213, 443, 49772 CLOUDFLARENETUS United States 25->51 53 interactiedovspm.shop 104.21.42.119, 443, 49766 CLOUDFLARENETUS United States 25->53 55 4 other IPs or domains 25->55 91 Tries to harvest and steal browser information (history, passwords, etc) 28->91 signatures15
Threat name:
Win32.Trojan.StealC
Status:
Malicious
First seen:
2024-08-18 17:46:00 UTC
File Type:
PE (.Net 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:vidar credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Modifies system certificate store
Suspicious behavior: EnumeratesProcesses
Suspicious use of WriteProcessMemory
Browser Information Discovery
Enumerates physical storage devices
System Location Discovery: System Language Discovery
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
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/76561199751190313
https://t.me/pech0nk
https://cagedwifedsozm.shop/api
https://potentioallykeos.shop/api
https://interactiedovspm.shop/api
https://charecteristicdxp.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0df59f4b2aca041ba8535efbfad5a99a2325c9f6bc25cc2d25092d7098855879
MD5 hash:
21925cc266568ffd6c92d247fc268c11
SHA1 hash:
22989ba0424a3980100c7470ca5826463d6a32ec
Detections:
VidarStealer
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
SH256 hash:
2a022db22575506eacab526bd1976871f842b9c306a9a3c8b1fd69421b0b891e
MD5 hash:
878568ba91ba8e9f3c035cf39e51af43
SHA1 hash:
89e0967b10eccd55450a87655a73f58990fc6c32
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 2a022db22575506eacab526bd1976871f842b9c306a9a3c8b1fd69421b0b891e

(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