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Windows
Analysis Report
Setup.msi
Overview
General Information
Detection
Vidar
Score: | 100 |
Range: | 0 - 100 |
Whitelisted: | false |
Confidence: | 100% |
Signatures
Antivirus detection for URL or domain
Attempt to bypass Chrome Application-Bound Encryption
Found malware configuration
Multi AV Scanner detection for dropped file
Sigma detected: Search for Antivirus process
Suricata IDS alerts for network traffic
Yara detected Vidar stealer
AI detected suspicious sample
Bypasses PowerShell execution policy
C2 URLs / IPs found in malware configuration
Command shell drops VBS files
Creates an undocumented autostart registry key
Drops PE files with a suspicious file extension
Drops executables to the windows directory (C:\Windows) and starts them
Found API chain indicative of sandbox detection
Found many strings related to Crypto-Wallets (likely being stolen)
Loading BitLocker PowerShell Module
Powershell drops PE file
Sigma detected: Legitimate Application Dropped Script
Sigma detected: Script Interpreter Execution From Suspicious Folder
Sigma detected: Suspicious Script Execution From Temp Folder
Sigma detected: WScript or CScript Dropper
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Crypto Currency Wallets
Checks for available system drives (often done to infect USB drives)
Contains functionality for read data from the clipboard
Contains functionality to block mouse and keyboard input (often used to hinder debugging)
Contains functionality to call native functions
Contains functionality to check if a debugger is running (IsDebuggerPresent)
Contains functionality to check if a debugger is running (OutputDebugString,GetLastError)
Contains functionality to check if a window is minimized (may be used to check if an application is visible)
Contains functionality to communicate with device drivers
Contains functionality to dynamically determine API calls
Contains functionality to execute programs as a different user
Contains functionality to launch a process as a different user
Contains functionality to launch a program with higher privileges
Contains functionality to modify clipboard data
Contains functionality to open a port and listen for incoming connection (possibly a backdoor)
Contains functionality to query CPU information (cpuid)
Contains functionality to query locales information (e.g. system language)
Contains functionality to read the PEB
Contains functionality to read the clipboard data
Contains functionality to retrieve information about pressed keystrokes
Contains functionality to shutdown / reboot the system
Contains functionality to simulate keystroke presses
Contains functionality to simulate mouse events
Contains functionality which may be used to detect a debugger (GetProcessHeap)
Contains long sleeps (>= 3 min)
Creates a process in suspended mode (likely to inject code)
Creates files inside the system directory
Deletes files inside the Windows folder
Detected potential crypto function
Downloads executable code via HTTP
Drops PE files
Drops PE files to the application program directory (C:\ProgramData)
Drops PE files to the windows directory (C:\Windows)
Drops files with a non-matching file extension (content does not match file extension)
Found a high number of Window / User specific system calls (may be a loop to detect user behavior)
Found dropped PE file which has not been started or loaded
Found evasive API chain checking for process token information
Found large amount of non-executed APIs
Found potential string decryption / allocating functions
HTTP GET or POST without a user agent
IP address seen in connection with other malware
JA3 SSL client fingerprint seen in connection with other malware
Launches processes in debugging mode, may be used to hinder debugging
May sleep (evasive loops) to hinder dynamic analysis
OS version to string mapping found (often used in BOTs)
PE file contains an invalid checksum
PE file contains sections with non-standard names
Potential key logger detected (key state polling based)
Queries disk information (often used to detect virtual machines)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)
Sample file is different than original file name gathered from version info
Sigma detected: Browser Started with Remote Debugging
Sigma detected: Change PowerShell Policies to an Insecure Level
Sigma detected: Common Autorun Keys Modification
Sigma detected: Potential Binary Or Script Dropper Via PowerShell
Sigma detected: Suspicious Copy From or To System Directory
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript
Suricata IDS alerts with low severity for network traffic
Uses code obfuscation techniques (call, push, ret)
Yara detected Credential Stealer
Classification
- System is w10x64
- msiexec.exe (PID: 7480 cmdline:
"C:\Window s\System32 \msiexec.e xe" /i "C: \Users\use r\Desktop\ Setup.msi" MD5: E5DA170027542E25EDE42FC54C929077)
- msiexec.exe (PID: 7572 cmdline:
C:\Windows \system32\ msiexec.ex e /V MD5: E5DA170027542E25EDE42FC54C929077) - msiexec.exe (PID: 7620 cmdline:
C:\Windows \syswow64\ MsiExec.ex e -Embeddi ng 50B4D68 6C01703530 B412DCED2D B0D4F C MD5: 9D09DC1EDA745A5F87553048E57620CF) - msiexec.exe (PID: 7816 cmdline:
C:\Windows \syswow64\ MsiExec.ex e -Embeddi ng E4D759A 8E406C9ACB 7BC72DE0FA 3790E MD5: 9D09DC1EDA745A5F87553048E57620CF) - MSI64FB.tmp (PID: 7896 cmdline:
"C:\Window s\Installe r\MSI64FB. tmp" /Dont Wait "C:\P rogram Fil es (x86)\S oftPortabl e\KingSoft \1.bat" MD5: 250DA78FACCE68224B24D0FFAD65CA8E)
- cmd.exe (PID: 7932 cmdline:
C:\Windows \system32\ cmd.exe /c ""C:\Prog ram Files (x86)\Soft Portable\K ingSoft\1. bat" " MD5: 8A2122E8162DBEF04694B9C3E0B6CDEE) - conhost.exe (PID: 7940 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - certutil.exe (PID: 7984 cmdline:
certutil - decode -f C:\Users\u ser\AppDat a\Local\Te mp\11808.p s1 C:\User s\user\App Data\Local \Temp\1180 8.ps1 MD5: F17616EC0522FC5633151F7CAA278CAA) - cscript.exe (PID: 8000 cmdline:
cscript.ex e //nologo "C:\Users \user\AppD ata\Local\ Temp\runne r.vbs" MD5: 24590BF74BBBBFD7D7AC070F4E3C44FD) - powershell.exe (PID: 8052 cmdline:
"C:\Window s\System32 \WindowsPo werShell\v 1.0\powers hell.exe" -Execution Policy Byp ass -File "C:\Users\ user\AppDa ta\Local\T emp\11808. ps1" MD5: 04029E121A0CFA5991749937DD22A1D9) - conhost.exe (PID: 8060 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - WmiPrvSE.exe (PID: 1308 cmdline:
C:\Windows \system32\ wbem\wmipr vse.exe -s ecured -Em bedding MD5: 60FF40CFD7FB8FE41EE4FE9AE5FE1C51) - putt.exe (PID: 7284 cmdline:
"C:\Users\ user\AppDa ta\Local\T emp\putt.e xe" MD5: 27B18A5E8BDAA950AF93633A821C2BFA) - cmd.exe (PID: 1196 cmdline:
"C:\Window s\System32 \cmd.exe" /c copy Ch eats Cheat s.cmd && C heats.cmd MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - conhost.exe (PID: 4460 cmdline:
C:\Windows \system32\ conhost.ex e 0xffffff ff -ForceV 1 MD5: 0D698AF330FD17BEE3BF90011D49251D) - tasklist.exe (PID: 7548 cmdline:
tasklist MD5: 0A4448B31CE7F83CB7691A2657F330F1) - findstr.exe (PID: 7688 cmdline:
findstr /I "opssvc w rsa" MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - tasklist.exe (PID: 7276 cmdline:
tasklist MD5: 0A4448B31CE7F83CB7691A2657F330F1) - findstr.exe (PID: 7260 cmdline:
findstr "A vastUI AVG UI bdservi cehost nsW scSvc ekrn SophosHea lth" MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - cmd.exe (PID: 1432 cmdline:
cmd /c md 628056 MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - findstr.exe (PID: 7784 cmdline:
findstr /V "Cleared" Penalties MD5: F1D4BE0E99EC734376FDE474A8D4EA3E) - cmd.exe (PID: 7804 cmdline:
cmd /c cop y /b ..\Pa rticipatin g + ..\Pro duced + .. \Tvs + ..\ Contractor + ..\Legi slative u MD5: D0FCE3AFA6AA1D58CE9FA336CC2B675B) - Corrections.com (PID: 7808 cmdline:
Correction s.com u MD5: 62D09F076E6E0240548C2F837536A46A) - chrome.exe (PID: 8156 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --re mote-debug ging-port= 9223 --pro file-direc tory="Defa ult" MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - chrome.exe (PID: 4092 cmdline:
"C:\Progra m Files\Go ogle\Chrom e\Applicat ion\chrome .exe" --ty pe=utility --utility -sub-type= network.mo jom.Networ kService - -lang=en-U S --servic e-sandbox- type=none --mojo-pla tform-chan nel-handle =2696 --fi eld-trial- handle=240 8,i,649146 7872846321 51,1710993 7592652742 530,262144 /prefetch :8 MD5: 45DE480806D1B5D462A7DDE4DCEFC4E4) - choice.exe (PID: 1516 cmdline:
choice /d y /t 5 MD5: FCE0E41C87DC4ABBE976998AD26C27E4)
- svchost.exe (PID: 4928 cmdline:
C:\Windows \System32\ svchost.ex e -k netsv cs -p -s B ITS MD5: B7F884C1B74A263F746EE12A5F7C9F6A)
- cleanup
Name | Description | Attribution | Blogpost URLs | Link |
---|---|---|---|---|
Vidar | Vidar is a forked malware based on Arkei. It seems this stealer is one of the first that is grabbing information on 2FA Software and Tor Browser. | No Attribution |
{"C2 url": "https://steamcommunity.com/profiles/76561199807592927", "Botnet": "d0wntg"}
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security |
Source | Rule | Description | Author | Strings |
---|---|---|---|---|
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security | ||
JoeSecurity_Vidar_1 | Yara detected Vidar stealer | Joe Security | ||
JoeSecurity_CredentialStealer | Yara detected Credential Stealer | Joe Security |
System Summary |
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Source: | Author: frack113, Florian Roth (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), Max Altgelt (Nextron Systems), Tim Shelton: |
Source: | Author: Margaritis Dimitrios (idea), Florian Roth (Nextron Systems), oscd.community: |
Source: | Author: pH-T (Nextron Systems), Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: frack113: |
Source: | Author: Victor Sergeev, Daniil Yugoslavskiy, Gleb Sukhodolskiy, Timur Zinniatullin, oscd.community, Tim Shelton, frack113 (split), wagga (name): |
Source: | Author: frack113, Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Florian Roth (Nextron Systems), Markus Neis, Tim Shelton (HAWK.IO), Nasreddine Bencherchali (Nextron Systems): |
Source: | Author: Michael Haag: |
Source: | Author: Roberto Rodriguez @Cyb3rWard0g (rule), oscd.community (improvements): |
Source: | Author: vburov: |
HIPS / PFW / Operating System Protection Evasion |
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Source: | Author: Joe Security: |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-17T17:28:33.734481+0100 | 2019714 | 2 | Potentially Bad Traffic | 192.168.2.4 | 49738 | 138.124.60.133 | 80 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-17T17:29:14.293539+0100 | 2044247 | 1 | Malware Command and Control Activity Detected | 116.203.12.114 | 443 | 192.168.2.4 | 49785 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-17T17:29:16.597803+0100 | 2051831 | 1 | Malware Command and Control Activity Detected | 116.203.12.114 | 443 | 192.168.2.4 | 49791 | TCP |
Timestamp | SID | Severity | Classtype | Source IP | Source Port | Destination IP | Destination Port | Protocol |
---|---|---|---|---|---|---|---|---|
2024-12-17T17:29:14.293340+0100 | 2049087 | 1 | A Network Trojan was detected | 192.168.2.4 | 49785 | 116.203.12.114 | 443 | TCP |
Click to jump to signature section
Show All Signature Results
AV Detection |
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Source: | Avira URL Cloud: |
Source: | Malware Configuration Extractor: |
Source: | ReversingLabs: | ||
Source: | ReversingLabs: |
Source: | Integrated Neural Analysis Model: |
Source: | HTTPS traffic detected: | ||
Source: | HTTPS traffic detected: |
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Source: | File opened: | Jump to behavior | ||
Source: | File opened: | Jump to behavior | ||
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Source: | File opened: | Jump to behavior |
Source: | Code function: | 4_2_00007FF749F93FC4 | |
Source: | Code function: | 16_2_00406301 | |
Source: | Code function: | 16_2_00406CC7 | |
Source: | Code function: | 26_2_00FADC54 | |
Source: | Code function: | 26_2_00FBA087 | |
Source: | Code function: | 26_2_00FBA1E2 | |
Source: | Code function: | 26_2_00FAE472 | |
Source: | Code function: | 26_2_00FBA570 | |
Source: | Code function: | 26_2_00FB66DC | |
Source: | Code function: | 26_2_00F7C622 | |
Source: | Code function: | 26_2_00FB73D4 | |
Source: | Code function: | 26_2_00FB7333 | |
Source: | Code function: | 26_2_00FAD921 |
Source: | File opened: | ||
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Source: | Memory has grown: |
Networking |
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Source: | Suricata IDS: | ||
Source: | Suricata IDS: | ||
Source: | Suricata IDS: |
Source: | URLs: |
Source: | HTTP traffic detected: |