Analysis

  • max time kernel
    74s
  • max time network
    116s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    03/11/2024, 20:23

General

  • Target

    ec0197a0cd69490b7082148268a7812f588efc6a0bdf3d78f465847893ca481cN.exe

  • Size

    725KB

  • MD5

    94963f6fe8943e6aee8e9bac99f870d0

  • SHA1

    ef9f294b5be6aea6638077a4ae9e20f4d993a40b

  • SHA256

    ec0197a0cd69490b7082148268a7812f588efc6a0bdf3d78f465847893ca481c

  • SHA512

    99f93dbdcbfdde0181b08b0384e6d08625b54c77a98b5330275dc1e516fa58b09b61088a9cc4c8f6b4e331cf0b5e997ca6574ff7f0cb4072abfe80946d62e57a

  • SSDEEP

    12288:ebQaDPw1Qk89TmyV59AnOZyxb5fPrQqkk0xmC7j0cNd0xbfEfgGppbowfXHj0:ebxLw9gTFn9mOZ+QRmCnnUx7pwfXHj0

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.

  • Vipkeylogger family
  • 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.

  • 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 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 17 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ec0197a0cd69490b7082148268a7812f588efc6a0bdf3d78f465847893ca481cN.exe
    "C:\Users\Admin\AppData\Local\Temp\ec0197a0cd69490b7082148268a7812f588efc6a0bdf3d78f465847893ca481cN.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2820
    • 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\ec0197a0cd69490b7082148268a7812f588efc6a0bdf3d78f465847893ca481cN.exe"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2600
    • C:\Users\Admin\AppData\Local\Temp\ec0197a0cd69490b7082148268a7812f588efc6a0bdf3d78f465847893ca481cN.exe
      "C:\Users\Admin\AppData\Local\Temp\ec0197a0cd69490b7082148268a7812f588efc6a0bdf3d78f465847893ca481cN.exe"
      2⤵
        PID:2944
      • C:\Users\Admin\AppData\Local\Temp\ec0197a0cd69490b7082148268a7812f588efc6a0bdf3d78f465847893ca481cN.exe
        "C:\Users\Admin\AppData\Local\Temp\ec0197a0cd69490b7082148268a7812f588efc6a0bdf3d78f465847893ca481cN.exe"
        2⤵
        • Accesses Microsoft Outlook profiles
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • outlook_office_path
        • outlook_win_path
        PID:2592

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

    Loading Replay Monitor...

    Downloads

    • memory/2592-22-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2592-15-0x000000007EFDE000-0x000000007EFDF000-memory.dmp

      Filesize

      4KB

    • memory/2592-28-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2592-27-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2592-24-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2592-19-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-7-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-21-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-17-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-9-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-11-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2592-13-0x0000000000400000-0x0000000000448000-memory.dmp

      Filesize

      288KB

    • memory/2820-5-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2820-1-0x00000000001D0000-0x000000000028C000-memory.dmp

      Filesize

      752KB

    • memory/2820-6-0x00000000003E0000-0x000000000046C000-memory.dmp

      Filesize

      560KB

    • memory/2820-0-0x00000000741FE000-0x00000000741FF000-memory.dmp

      Filesize

      4KB

    • memory/2820-23-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB

    • memory/2820-4-0x00000000741FE000-0x00000000741FF000-memory.dmp

      Filesize

      4KB

    • memory/2820-3-0x0000000000750000-0x000000000076E000-memory.dmp

      Filesize

      120KB

    • memory/2820-2-0x00000000741F0000-0x00000000748DE000-memory.dmp

      Filesize

      6.9MB