MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 856f48350c1064b855c7ecd52549bc3cc214c12e1c0d0fc5af91ff9c45fb2841. 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 7 File information Comments

SHA256 hash: 856f48350c1064b855c7ecd52549bc3cc214c12e1c0d0fc5af91ff9c45fb2841
SHA3-384 hash: 25896c00a12393972cea22f252936ff69527d4596f032f46cc9cc2d3d6ec57154d61be4db598411bd7f0ce477ef05314
SHA1 hash: 0dad164451c90824d38f1db7aa6e2aa4faaa2e01
MD5 hash: 480e83a8b9bb22bf1bef2965113f3901
humanhash: grey-five-twelve-mike
File name:file
Download: download sample
Signature Vidar
File size:195'624 bytes
First seen:2024-08-23 00:38:06 UTC
Last seen:2024-08-23 01:50:23 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'649 x AgentTesla, 19'454 x Formbook, 12'202 x SnakeKeylogger)
ssdeep 3072:ioRCT49x4Yxcvp01oNss8KhcCGEB1g88Laa9Dn5rhXDZ0Q2hvryFHYV21k0gHk5S:iokYxqG14ssmCZ28saa/rhzi5hOtRDfS
Threatray 16 similar samples on MalwareBazaar
TLSH T11A14125D08D00B7BFEDA0B753445D32BBF3CE6862597872D409F89A5CC017A12F6AA35
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: https://acreditaciones.fcf.com.co/viqw.exe

Intelligence


File Origin
# of uploads :
2
# of downloads :
389
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-08-23 00:39:30 UTC
Tags:
vidar

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
Encryption Static
Result
Verdict:
Malware
Maliciousness:

Behaviour
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Creating a file in the %temp% directory
Сreating synchronization primitives
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Sending an HTTP POST request
Forced shutdown of a system process
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:
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
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
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 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 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: 1497786 Sample: file.exe Startdate: 23/08/2024 Architecture: WINDOWS Score: 100 50 t.me 2->50 52 stadiatechnologies.com 2->52 54 2 other IPs or domains 2->54 70 Multi AV Scanner detection for domain / URL 2->70 72 Suricata IDS alerts for network traffic 2->72 74 Found malware configuration 2->74 76 13 other signatures 2->76 10 file.exe 2 2->10         started        signatures3 process4 file5 40 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 10->40 dropped 86 Contains functionality to inject code into remote processes 10->86 88 Writes to foreign memory regions 10->88 90 Allocates memory in foreign processes 10->90 92 Injects a PE file into a foreign processes 10->92 14 RegAsm.exe 1 293 10->14         started        19 conhost.exe 10->19         started        signatures6 process7 dnsIp8 56 t.me 149.154.167.99, 443, 51851 TELEGRAMRU United Kingdom 14->56 58 147.45.68.138, 51852, 80 FREE-NET-ASFREEnetEU Russian Federation 14->58 60 2 other IPs or domains 14->60 42 C:\Users\user\AppData\Local\...\nss3[1].dll, PE32 14->42 dropped 44 C:\Users\user\AppData\...\mozglue[1].dll, PE32 14->44 dropped 46 C:\Users\user\AppData\Local\...\sql[1].dll, PE32 14->46 dropped 48 12 other files (8 malicious) 14->48 dropped 62 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->62 64 Found many strings related to Crypto-Wallets (likely being stolen) 14->64 66 Tries to harvest and steal ftp login credentials 14->66 68 4 other signatures 14->68 21 KFIIJJJDGC.exe 2 14->21         started        24 cmd.exe 1 14->24         started        file9 signatures10 process11 signatures12 78 Machine Learning detection for dropped file 21->78 80 Writes to foreign memory regions 21->80 82 Allocates memory in foreign processes 21->82 84 2 other signatures 21->84 26 RegAsm.exe 21->26         started        28 conhost.exe 21->28         started        30 RegAsm.exe 21->30         started        32 conhost.exe 24->32         started        34 timeout.exe 1 24->34         started        process13 process14 36 WerFault.exe 20 16 26->36         started        38 WerFault.exe 2 26->38         started       
Threat name:
Win32.Spyware.Vidar
Status:
Malicious
First seen:
2024-08-23 00:39:07 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
20 of 24 (83.33%)
Threat level:
  2/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma family:vidar botnet:3cd4672c6baedc17edab0cb86e9453d1 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
System Location Discovery: System Language Discovery
Browser Information Discovery
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
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://t.me/jamelwt
https://steamcommunity.com/profiles/76561199761128941
https://t.me/iyigunl
https://deicedosmzj.shop/api
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
SH256 hash:
856f48350c1064b855c7ecd52549bc3cc214c12e1c0d0fc5af91ff9c45fb2841
MD5 hash:
480e83a8b9bb22bf1bef2965113f3901
SHA1 hash:
0dad164451c90824d38f1db7aa6e2aa4faaa2e01
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 856f48350c1064b855c7ecd52549bc3cc214c12e1c0d0fc5af91ff9c45fb2841

(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