MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75. 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: 13


Intelligence 13 IOCs YARA 8 File information Comments

SHA256 hash: a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75
SHA3-384 hash: b44874d2c1548251d248f1af9320092e24e26d2a7d5e80561efad242b0d0440f7ee347b5bddc47b950fb491ef2a0e9c7
SHA1 hash: 8f1003d9bd8194b486634df3bbe6dbd64b923e9f
MD5 hash: 3817c947e0d26bde329f7481b6d76709
humanhash: october-yellow-quiet-oranges
File name:file
Download: download sample
Signature Vidar
File size:290'344 bytes
First seen:2024-09-16 11:10:12 UTC
Last seen:2024-09-16 13:36:13 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'648 x AgentTesla, 19'452 x Formbook, 12'201 x SnakeKeylogger)
ssdeep 6144:J4C2lKti9a/UIPZHrk6BcHvJ1rOjMmmqAZMzLswInEO:J4iwerk6qHrCMmbEyABEO
TLSH T18C5413E2937D12D4FC77AD7630A7D36177F47DB92EA1579233E682B8A94120073922B0
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://quartermile.ws/vhawef15.exe

Intelligence


File Origin
# of uploads :
3
# of downloads :
418
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
90.2%
Tags:
Encryption Static
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:
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
Multi AV Scanner detection for submitted file
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 Powershell download and execute
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1511811 Sample: file.exe Startdate: 16/09/2024 Architecture: WINDOWS Score: 100 28 t.me 2->28 30 quartermile.ws 2->30 32 198.187.3.20.in-addr.arpa 2->32 40 Suricata IDS alerts for network traffic 2->40 42 Found malware configuration 2->42 44 Antivirus detection for URL or domain 2->44 46 9 other signatures 2->46 7 file.exe 2 2->7         started        signatures3 process4 file5 18 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 7->18 dropped 48 Contains functionality to inject code into remote processes 7->48 50 Writes to foreign memory regions 7->50 52 Allocates memory in foreign processes 7->52 54 Injects a PE file into a foreign processes 7->54 11 RegAsm.exe 175 7->11         started        16 conhost.exe 7->16         started        signatures6 process7 dnsIp8 34 t.me 149.154.167.99, 443, 49709 TELEGRAMRU United Kingdom 11->34 36 159.69.100.83, 443, 49712, 49715 HETZNER-ASDE Germany 11->36 38 quartermile.ws 178.218.165.52, 443, 62616 SEDMIODJEL-ASHR Croatia (LOCAL Name: Hrvatska) 11->38 20 C:\Users\user\AppData\...\lgjafsjfd[1].exe, PE32 11->20 dropped 22 C:\ProgramData\vcruntime140.dll, PE32 11->22 dropped 24 C:\ProgramData\softokn3.dll, PE32 11->24 dropped 26 5 other files (none is malicious) 11->26 dropped 56 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 11->56 58 Found many strings related to Crypto-Wallets (likely being stolen) 11->58 60 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 11->60 62 5 other signatures 11->62 file9 signatures10
Threat name:
ByteCode-MSIL.Trojan.Cerbu
Status:
Malicious
First seen:
2024-09-16 11:11:10 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
13 of 38 (34.21%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:stealc family:vidar botnet:default 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
Stealc
Vidar
Malware Config
C2 Extraction:
https://t.me/edm0d
https://steamcommunity.com/profiles/76561199768374681
http://46.8.231.109
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
SH256 hash:
a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75
MD5 hash:
3817c947e0d26bde329f7481b6d76709
SHA1 hash:
8f1003d9bd8194b486634df3bbe6dbd64b923e9f
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 a1d7a27d0db33680df06c7b7ac1a58ba17c18843af52782f57ec7f94bb023a75

(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