MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 c13ea8341a801122bce40ae4d3d608728bf9c88404f3c315db88bd55c7316669. 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 8 File information Comments

SHA256 hash: c13ea8341a801122bce40ae4d3d608728bf9c88404f3c315db88bd55c7316669
SHA3-384 hash: 5c3de4428bc3fb98800f795fe9f4b2056aa9c48f8fc3e540cd2157088c333c1b993df5cf527b70bd1f0fdbedf386f3a2
SHA1 hash: cfc1bb605838dae6c9f8cd73dd70df914c15c6d4
MD5 hash: 4ae2d1685d2732cfcd128560424c53cc
humanhash: skylark-sixteen-carbon-fanta
File name:file
Download: download sample
Signature Vidar
File size:423'328 bytes
First seen:2024-09-21 16:49:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'468 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 12288:tMi7+OcVQP4lstjTN/Fzf3r0hNva1Jx8ZGHVABDFEO:tFtwYjTNtzDuN+gGHKft
Threatray 57 similar samples on MalwareBazaar
TLSH T18B94237F8D6CAC11C88A57303081F6203F61A3D0B6535ECA368FD532D79679393A55AA
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/66eef0d509347_vfdshg16.exe

Intelligence


File Origin
# of uploads :
1
# of downloads :
411
Origin country :
US US
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
file
Verdict:
Malicious activity
Analysis date:
2024-09-21 16:52:44 UTC
Tags:
vidar stealer

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 Stealc
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
Unauthorized injection to a system process
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
overlay packed stealc
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
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 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: 1515122 Sample: file.exe Startdate: 21/09/2024 Architecture: WINDOWS Score: 100 56 tendencerangej.shop 2->56 58 tearrybyiwo.shop 2->58 60 5 other IPs or domains 2->60 84 Multi AV Scanner detection for domain / URL 2->84 86 Suricata IDS alerts for network traffic 2->86 88 Found malware configuration 2->88 90 14 other signatures 2->90 10 file.exe 2 2->10         started        signatures3 process4 file5 46 C:\Users\user\AppData\Local\...\file.exe.log, CSV 10->46 dropped 100 Contains functionality to inject code into remote processes 10->100 102 Writes to foreign memory regions 10->102 104 Allocates memory in foreign processes 10->104 106 Injects a PE file into a foreign processes 10->106 14 RegAsm.exe 1 131 10->14         started        19 RegAsm.exe 10->19         started        21 conhost.exe 10->21         started        signatures6 process7 dnsIp8 68 cowod.hopto.org 45.132.206.251, 443, 49770, 49771 LIFELINK-ASRU Russian Federation 14->68 70 116.203.165.127, 443, 49740, 49741 HETZNER-ASDE Germany 14->70 72 2 other IPs or domains 14->72 48 C:\Users\user\...\66eef0ca0fb35_lfdsa[1].exe, PE32 14->48 dropped 50 C:\ProgramData\softokn3.dll, PE32 14->50 dropped 52 C:\ProgramData\nss3.dll, PE32 14->52 dropped 54 5 other files (3 malicious) 14->54 dropped 74 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 14->74 76 Found many strings related to Crypto-Wallets (likely being stolen) 14->76 78 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 14->78 82 4 other signatures 14->82 23 BKKKEGIDBG.exe 2 14->23         started        26 cmd.exe 1 14->26         started        80 Searches for specific processes (likely to inject) 19->80 file9 signatures10 process11 signatures12 92 Machine Learning detection for dropped file 23->92 94 Writes to foreign memory regions 23->94 96 Allocates memory in foreign processes 23->96 98 2 other signatures 23->98 28 RegAsm.exe 23->28         started        31 conhost.exe 23->31         started        33 conhost.exe 26->33         started        35 timeout.exe 1 26->35         started        process13 dnsIp14 62 tendencerangej.shop 104.21.16.38, 443, 49774, 49775 CLOUDFLARENETUS United States 28->62 64 appleboltelwk.shop 104.21.9.6, 443, 49766, 49773 CLOUDFLARENETUS United States 28->64 66 2 other IPs or domains 28->66 37 WerFault.exe 22 16 28->37         started        40 WerFault.exe 1 16 28->40         started        process15 file16 42 C:\ProgramData\Microsoft\...\Report.wer, data 37->42 dropped 44 C:\ProgramData\Microsoft\...\Report.wer, data 40->44 dropped
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-09-21 16:50:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
17 of 38 (44.74%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:lumma family:vidar botnet:58cd250b15e666e5f72fcf5caa6cb131 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
Program crash
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/76561199780418869
https://t.me/ae5ed
https://appleboltelwk.shop/api
https://surveriysiop.shop/api
https://captainynfanw.shop/api
https://tearrybyiwo.shop/api
https://tendencerangej.shop/api
Unpacked files
SH256 hash:
0a6b558dc092b4f6bce802a6407fe468f7b973c82db36e2d7a0d0db5635838b4
MD5 hash:
1fbd01ee768b7c4abfd2783a4707a072
SHA1 hash:
15288415ec755c2673da3c716386abfdd35aaaed
SH256 hash:
c13ea8341a801122bce40ae4d3d608728bf9c88404f3c315db88bd55c7316669
MD5 hash:
4ae2d1685d2732cfcd128560424c53cc
SHA1 hash:
cfc1bb605838dae6c9f8cd73dd70df914c15c6d4
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 c13ea8341a801122bce40ae4d3d608728bf9c88404f3c315db88bd55c7316669

(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