MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1193d78ae12a46941717ff875f19ab33ce9f51f9c4ca3ef3b125abbc37560d62. 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: 15


Intelligence 15 IOCs YARA 13 File information Comments

SHA256 hash: 1193d78ae12a46941717ff875f19ab33ce9f51f9c4ca3ef3b125abbc37560d62
SHA3-384 hash: 670a8463e819f59dd0d5df1971bd1856a4d14fe109a4793e3e46b9f254be0bd40f2793c7a25224b7e6c6014631940437
SHA1 hash: 4835b4fce547469ea200fc05f9bdfcfdc7572469
MD5 hash: 4ea39e58d5185ea13c816062f97e001d
humanhash: single-oranges-edward-mississippi
File name:file
Download: download sample
Signature Vidar
File size:6'581'760 bytes
First seen:2024-07-26 00:44:45 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 98304:hr4lloZBIWWuOUG7B3bsOtzNy4ople5yjPWruqLa/:x4lyZaAG7B3jNdG4gPui
TLSH T1BA66AE063250CB22C06E4633CADF842857FDEE107B53DA2B7D9AB35D65563A9090F2DE
TrID 34.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
27.1% (.CPL) Windows Control Panel Item (generic) (57583/11/19)
14.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
6.1% (.SCR) Windows screen saver (13097/50/3)
4.9% (.EXE) Win64 Executable (generic) (10523/12/4)
File icon (PE):PE icon
dhash icon caec60f0c2428084 (1 x Vidar)
Reporter Bitsight
Tags:exe vidar


Avatar
Bitsight
url: https://vk.com/doc869877400_679054576?hash=jHNug28Kd4w2CQ3d633BAsBUzChqOwijKLymONDs73g&dl=NjQYUm4u6mhAFqf2rqAkIcdJp7pNj3FLPjXuEzJ8RZT&api=1&no_preview=1#mene

Intelligence


File Origin
# of uploads :
1
# of downloads :
529
Origin country :
US US
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
Execution Generic Infostealer Network Other Static Stealth Nekark
Result
Verdict:
Malware
Maliciousness:

Behaviour
Launching a process
Creating a file
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Using the Windows Management Instrumentation requests
Connecting to a non-recommended domain
Sending an HTTP POST request
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:
aspnet_compiler cmd csc lolbin msbuild net obfuscated packed remote vbc
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 method to dynamically call methods (often used by packers)
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
Machine Learning detection for sample
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
Sigma detected: Silenttrinity Stager Msbuild Activity
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: 1482751 Sample: file.exe Startdate: 26/07/2024 Architecture: WINDOWS Score: 100 35 steamcommunity.com 2->35 37 fp2e7a.wpc.phicdn.net 2->37 39 2 other IPs or domains 2->39 45 Multi AV Scanner detection for domain / URL 2->45 47 Found malware configuration 2->47 49 Antivirus detection for URL or domain 2->49 51 10 other signatures 2->51 8 file.exe 3 2->8         started        signatures3 process4 file5 25 C:\Users\user\AppData\Local\...\file.exe.log, ASCII 8->25 dropped 53 Found many strings related to Crypto-Wallets (likely being stolen) 8->53 55 Writes to foreign memory regions 8->55 57 Allocates memory in foreign processes 8->57 59 Injects a PE file into a foreign processes 8->59 12 MSBuild.exe 35 8->12         started        17 MSBuild.exe 8->17         started        19 MSBuild.exe 8->19         started        21 MSBuild.exe 8->21         started        signatures6 process7 dnsIp8 41 steamcommunity.com 23.192.247.89, 443, 49730 AKAMAI-ASUS United States 12->41 43 5.75.212.60, 443, 49731, 49732 HETZNER-ASDE Germany 12->43 27 C:\ProgramData\vcruntime140.dll, PE32 12->27 dropped 29 C:\ProgramData\softokn3.dll, PE32 12->29 dropped 31 C:\ProgramData\nss3.dll, PE32 12->31 dropped 33 3 other files (none is malicious) 12->33 dropped 61 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 12->61 63 Found many strings related to Crypto-Wallets (likely being stolen) 12->63 65 Tries to harvest and steal ftp login credentials 12->65 71 3 other signatures 12->71 23 WerFault.exe 22 16 12->23         started        67 Contains functionality to inject code into remote processes 17->67 69 Searches for specific processes (likely to inject) 17->69 file9 signatures10 process11
Threat name:
Win32.Trojan.Privateloader
Status:
Malicious
First seen:
2024-07-26 00:45:06 UTC
File Type:
PE (.Net Exe)
Extracted files:
10
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Verdict:
malicious
Result
Malware family:
Score:
  10/10
Tags:
family:vidar credential_access discovery spyware stealer
Behaviour
Checks processor information in registry
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Browser Information Discovery
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Accesses cryptocurrency files/wallets, possible credential harvesting
Loads dropped DLL
Unsecured Credentials: Credentials In Files
Downloads MZ/PE file
Credentials from Password Stores: Credentials from Web Browsers
Vidar
Detect Vidar Stealer
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199747278259
https://t.me/armad2a
Verdict:
Suspicious
Tags:
n/a
YARA:
n/a
Unpacked files
SH256 hash:
c8badb5fbdc42ab21fe5683fd5ecb8d62a0f10f8b5f880005652faa11768d6d8
MD5 hash:
2da4905a6389fbecb8f5a70d63825d05
SHA1 hash:
e632b2f8a7de39cc4814680ed0b5f0872b13e839
SH256 hash:
81cadb6a9546328647f2fbd1713fcf8ee49921c6a0c7b155f6d287acddab5fd7
MD5 hash:
eb029ab5c2f8de328736c53dc3c7df47
SHA1 hash:
e05c4fba0236fee2516bf53a287e41e0e97a0ee5
SH256 hash:
62d07d44876aa325328ec7b47515b1b7811e371856d0c4758e8b958489a00b34
MD5 hash:
ea490386b3f3f364b4b2a1abe67d3c63
SHA1 hash:
5bffca5bb15c2c2c2445bfc6e19e3213ec3d0b60
Detections:
VidarStealer
SH256 hash:
0f87e022a259f3b5176202cb2eee805e76a9a398253315356c86ceb849ca7e32
MD5 hash:
1dfdeee63b0b0d9f575597f9546929aa
SHA1 hash:
2e6a76aef76d54108a84ac9bc748e30de4aea74f
SH256 hash:
0ab41930f0a18d7629031bf5cd9a8c7090c13983c1d7567b9018185f0fa18f0d
MD5 hash:
2890a00ef6943ed98e2b7c6e3e49ae1c
SHA1 hash:
9072a751e68fe39222aebc87ffb898a423310ce9
SH256 hash:
1193d78ae12a46941717ff875f19ab33ce9f51f9c4ca3ef3b125abbc37560d62
MD5 hash:
4ea39e58d5185ea13c816062f97e001d
SHA1 hash:
4835b4fce547469ea200fc05f9bdfcfdc7572469
Detections:
SUSP_NET_Msil_Suspicious_Use_StrReverse
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:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DotNet_Reactor
Author:@bartblaze
Description:Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:msil_suspicious_use_of_strreverse
Author:dr4k0nia
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Rule name:NET
Author:malware-lu
Rule name:pe_imphash
Rule name:PureCrypter
Author:@bartblaze
Description:Identifies PureCrypter, .NET loader and obfuscator.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_NET_Msil_Suspicious_Use_StrReverse
Author:dr4k0nia, modified by Florian Roth
Description:Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Reference:https://github.com/dr4k0nia/yara-rules

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

Vidar

Executable exe 1193d78ae12a46941717ff875f19ab33ce9f51f9c4ca3ef3b125abbc37560d62

(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 (HIGH_ENTROPY_VA)high

Comments