MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 998c38a88197ab545ed66959130ba09db2359000da1fe5b6af913a33d5902cac. 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: 14
| SHA256 hash: | 998c38a88197ab545ed66959130ba09db2359000da1fe5b6af913a33d5902cac |
|---|---|
| SHA3-384 hash: | 45e2edacd5485fd12d58e77bdface63ab4eccb6e773afa7281ab328d59f15633bc852ea43c5df335c2e2313cf91bb6ae |
| SHA1 hash: | 470f6863ce73dbfd88441dc2c06e55d6ab3a96f6 |
| MD5 hash: | c144f16a3e3aff33fc958fdea42df7e0 |
| humanhash: | juliet-nitrogen-maine-west |
| File name: | file |
| Download: | download sample |
| Signature | Vidar |
| File size: | 358'400 bytes |
| First seen: | 2024-04-23 18:25:27 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 356fb5f92f0ddd4da15f73c163c50759 (5 x Stealc, 1 x Vidar) |
| ssdeep | 3072:y8RfADp0Sf7qbe+sXJZXAksI2opQJy1Im2VlzlVHu2rC86PlFEVSmkfQIkp7Kgtv:MDqy/PLIoqJyrY3c2G8yXmpIyKE1c |
| TLSH | T1B174AF03B2F1ACB0E6634B324D2986A066EFFD715E2157772258158F65F23E1C6A3F42 |
| TrID | 37.3% (.EXE) Win64 Executable (generic) (10523/12/4) 17.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 15.9% (.EXE) Win32 Executable (generic) (4504/4/1) 7.3% (.ICL) Windows Icons Library (generic) (2059/9) 7.2% (.EXE) OS/2 Executable (generic) (2029/13) |
| File icon (PE): |  |
| dhash icon | 0201012101411100 (1 x Vidar) |
| Reporter |  jstrosch |
| Tags: | exe vidar |
Intelligence
File Origin
# of uploads :
1
# of downloads :
518
Origin country :
USVendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
998c38a88197ab545ed66959130ba09db2359000da1fe5b6af913a33d5902cac.exe
Verdict:
Malicious activity
Analysis date:
2024-04-24 05:42:10 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Suspicious
Maliciousness:
Behaviour
Creating a window
Unauthorized injection to a recently created process
Restart of the analyzed sample
Сreating synchronization primitives
Behavior that indicates a threat
DNS request
Connection attempt
Sending a custom TCP request
Sending an HTTP GET request
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Launching the default Windows debugger (dwwin.exe)
Searching for the window
Verdict:
Suspicious
Threat level:
5/10
Confidence:
100%
Tags:
fingerprint packed
Verdict:
Malicious
Labled as:
Malware
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.
Malware family:
Vidar
Verdict:
Malicious
Result
Threat name:
Vidar
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
C2 URLs / IPs found in malware configuration
Contains functionality to inject code into remote processes
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
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
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Searches for specific processes (likely to inject)
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
Yara detected AntiVM3
Yara detected Vidar
Yara detected Vidar stealer
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
Win32.Trojan.Convagent
Status:
Malicious
First seen:
2024-04-23 13:31:43 UTC
File Type:
PE (Exe)
Extracted files:
61
AV detection:
31 of 37 (83.78%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Result
Malware family:
vidar
Score:
10/10
Tags:
family:vidar stealer
Behaviour
Suspicious use of WriteProcessMemory
Program crash
Suspicious use of SetThreadContext
Detect Vidar Stealer
Vidar
Malware Config
C2 Extraction:
https://steamcommunity.com/profiles/76561199677575543
https://t.me/snsb82
https://t.me/snsb82
Unpacked files
SH256 hash:
574ade87c3f548ab7b43f272a47430abc6eece8d2852c23d1ff8146d29f7a67f
MD5 hash:
c00205b6aae90e2b0a8b899fa9ba6413
SHA1 hash:
177c7e9974c2a6c5cda8047329f0e0d9b77199b9
Detections:
INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
SH256 hash:
998c38a88197ab545ed66959130ba09db2359000da1fe5b6af913a33d5902cac
MD5 hash:
c144f16a3e3aff33fc958fdea42df7e0
SHA1 hash:
470f6863ce73dbfd88441dc2c06e55d6ab3a96f6
Verdict:
Malicious
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: | Check_Dlls |
|---|
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | DebuggerCheck__QueryInfo |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | EXE_Stealer_StealC_Feb2024 |
|---|---|
| Author: | Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell |
| Rule name: | has_telegram_urls |
|---|---|
| Author: | Aaron DeVera<aaron@backchannel.re> |
| Description: | Detects Telegram URLs |
| Rule name: | INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL |
|---|---|
| Author: | ditekSHen |
| Description: | Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
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
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
| CHECK_NX | Missing Non-Executable Memory Protection | critical |
| CHECK_PIE | Missing Position-Independent Executable (PIE) Protection | high |
Reviews
| ID | Capabilities | Evidence |
|---|---|---|
| WIN32_PROCESS_API | Can Create Process and Threads | KERNEL32.dll::CloseHandle |
| WIN_BASE_API | Uses Win Base API | KERNEL32.dll::TerminateProcess KERNEL32.dll::LoadLibraryA KERNEL32.dll::LoadLibraryExA KERNEL32.dll::LoadLibraryExW KERNEL32.dll::GetVolumeInformationW KERNEL32.dll::GetStartupInfoW |
| WIN_BASE_EXEC_API | Can Execute other programs | KERNEL32.dll::AddConsoleAliasW KERNEL32.dll::AddConsoleAliasA KERNEL32.dll::WriteConsoleA KERNEL32.dll::WriteConsoleW KERNEL32.dll::ReadConsoleInputW KERNEL32.dll::SetStdHandle |
| WIN_BASE_IO_API | Can Create Files | KERNEL32.dll::CreateHardLinkA KERNEL32.dll::CreateFileW KERNEL32.dll::GetWindowsDirectoryW KERNEL32.dll::RemoveDirectoryW |
| WIN_BASE_USER_API | Retrieves Account Information | KERNEL32.dll::GetComputerNameA |
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