Analysis

  • max time kernel
    127s
  • max time network
    118s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    27/09/2024, 07:15

General

  • Target
    3e0693e5ed5ef3326bd7f6e54db8adc71e28540c2c3e2a60cbf8d1bdb0ff41f3.exe
  • Size 691KB
  • Sample240927-h3cvwatfqa
  • SHA256 3e0693e5ed5ef3326bd7f6e54db8adc71e28540c2c3e2a60cbf8d1bdb0ff41f3
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • vipkeylogger

Credentials

Signatures

  • VIPKeylogger

    VIPKeylogger is a keylogger and infostealer written in C# and it resembles SnakeKeylogger that was found in 2020.

  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Browser Information Discovery 1 TTPs

    Enumerate browser information.

  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 3 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3e0693e5ed5ef3326bd7f6e54db8adc71e28540c2c3e2a60cbf8d1bdb0ff41f3.exe
    "C:\Users\Admin\AppData\Local\Temp\3e0693e5ed5ef3326bd7f6e54db8adc71e28540c2c3e2a60cbf8d1bdb0ff41f3.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:924
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\3e0693e5ed5ef3326bd7f6e54db8adc71e28540c2c3e2a60cbf8d1bdb0ff41f3.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2924
    • C:\Users\Admin\AppData\Local\Temp\3e0693e5ed5ef3326bd7f6e54db8adc71e28540c2c3e2a60cbf8d1bdb0ff41f3.exe
      "C:\Users\Admin\AppData\Local\Temp\3e0693e5ed5ef3326bd7f6e54db8adc71e28540c2c3e2a60cbf8d1bdb0ff41f3.exe"
      2⤵
      • Accesses Microsoft Outlook profiles
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: GetForegroundWindowSpam
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      • outlook_office_path
      • outlook_win_path
      PID:264

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_pski5ure.0gy.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_pski5ure.0gy.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        memory/264-11-0x0000000000400000-0x000000000044A000-memory.dmp

        memory/264-13-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/264-64-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/264-63-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/264-62-0x0000000006D60000-0x0000000006DB0000-memory.dmp

        memory/264-61-0x0000000006EC0000-0x0000000007082000-memory.dmp

        memory/264-22-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/924-2-0x0000000005E70000-0x0000000006414000-memory.dmp

        memory/924-7-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

        memory/924-10-0x0000000009880000-0x000000000991C000-memory.dmp

        memory/924-0-0x0000000074A6E000-0x0000000074A6F000-memory.dmp

        memory/924-8-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/924-14-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/924-3-0x0000000005810000-0x00000000058A2000-memory.dmp

        memory/924-4-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/924-5-0x00000000059B0000-0x00000000059BA000-memory.dmp

        memory/924-6-0x0000000005E60000-0x0000000005E70000-memory.dmp

        memory/924-9-0x0000000007200000-0x000000000728C000-memory.dmp

        memory/924-1-0x0000000000D80000-0x0000000000E34000-memory.dmp

        memory/2924-36-0x00000000064F0000-0x0000000006522000-memory.dmp

        memory/2924-51-0x00000000072C0000-0x00000000072CA000-memory.dmp

        memory/2924-18-0x0000000004E60000-0x0000000004E82000-memory.dmp

        memory/2924-21-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/2924-23-0x0000000005960000-0x0000000005CB4000-memory.dmp

        memory/2924-34-0x0000000005F30000-0x0000000005F4E000-memory.dmp

        memory/2924-35-0x0000000005FC0000-0x000000000600C000-memory.dmp

        memory/2924-19-0x00000000056D0000-0x0000000005736000-memory.dmp

        memory/2924-37-0x0000000070340000-0x000000007038C000-memory.dmp

        memory/2924-47-0x00000000064D0000-0x00000000064EE000-memory.dmp

        memory/2924-48-0x0000000007100000-0x00000000071A3000-memory.dmp

        memory/2924-49-0x00000000078A0000-0x0000000007F1A000-memory.dmp

        memory/2924-50-0x0000000007250000-0x000000000726A000-memory.dmp

        memory/2924-24-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/2924-52-0x00000000074D0000-0x0000000007566000-memory.dmp

        memory/2924-53-0x0000000007450000-0x0000000007461000-memory.dmp

        memory/2924-54-0x0000000007480000-0x000000000748E000-memory.dmp

        memory/2924-55-0x0000000007490000-0x00000000074A4000-memory.dmp

        memory/2924-56-0x0000000007590000-0x00000000075AA000-memory.dmp

        memory/2924-57-0x0000000007570000-0x0000000007578000-memory.dmp

        memory/2924-60-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/2924-20-0x00000000058F0000-0x0000000005956000-memory.dmp

        memory/2924-16-0x0000000004FF0000-0x0000000005618000-memory.dmp

        memory/2924-17-0x0000000074A60000-0x0000000075210000-memory.dmp

        memory/2924-15-0x0000000002620000-0x0000000002656000-memory.dmp