Analysis

  • max time kernel
    151s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    25-11-2022 17:20

General

  • Target

    4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed.exe

  • Size

    643KB

  • MD5

    20553eaee468685d1fa0a7f2cb2db74b

  • SHA1

    b62e9c76f8aa351618eb2321eeeb1fd5ae14ace6

  • SHA256

    4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed

  • SHA512

    352b0b3bfcd207a661b6886e1b2b9e902b4bb2d14c588fc70e387ecfc95b8094142f7404d1313f114554c24fb6b4e0ae351116cf50594ce49c042c0f171a2052

  • SSDEEP

    12288:MBAcMVBAV4mfT/thn5D4XN0NzutaVlG4O+v270UN:PVVBABT/thn1mN0NzYgKt

Malware Config

Signatures

  • HawkEye

    HawkEye is a malware kit that has seen continuous development since at least 2013.

  • NirSoft MailPassView 5 IoCs

    Password recovery tool for various email clients

  • NirSoft WebBrowserPassView 1 IoCs

    Password recovery tool for various web browsers

  • Nirsoft 5 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Uses the VBS compiler for execution 1 TTPs
  • Accesses Microsoft Outlook accounts 1 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 2 IoCs
  • Looks up external IP address via web service 2 IoCs

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

  • Suspicious use of SetThreadContext 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 64 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs
  • Suspicious use of WriteProcessMemory 29 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed.exe
    "C:\Users\Admin\AppData\Local\Temp\4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4980
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "GoogleUpdate" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe.lnk"
      2⤵
      • Suspicious use of WriteProcessMemory
      PID:384
      • C:\Windows\SysWOW64\reg.exe
        reg add "HKCU\Software\Microsoft\Windows\CurrentVersion\Run" /f /v "GoogleUpdate" /t REG_SZ /d "C:\Users\Admin\AppData\Roaming\WinApp\GoogleUpdate.exe.lnk"
        3⤵
        • Adds Run key to start application
        PID:4336
    • C:\Users\Admin\AppData\Local\Temp\4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed.exe
      "C:\Users\Admin\AppData\Local\Temp\4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed.exe"
      2⤵
        PID:2220
      • C:\Users\Admin\AppData\Local\Temp\4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed.exe
        "C:\Users\Admin\AppData\Local\Temp\4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed.exe"
        2⤵
          PID:2436
        • C:\Users\Admin\AppData\Local\Temp\4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed.exe
          "C:\Users\Admin\AppData\Local\Temp\4ad8a8ab92287106e19bb7e910b83c10912da964991b72e853562aabacb033ed.exe"
          2⤵
          • Suspicious use of SetThreadContext
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of SetWindowsHookEx
          • Suspicious use of WriteProcessMemory
          PID:3572
          • C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe
            C:\Windows\Microsoft.NET\Framework\v2.0.50727\vbc.exe /stext "C:\Users\Admin\AppData\Local\Temp\holdermail.txt"
            3⤵
            • Accesses Microsoft Outlook accounts
            PID:1396

      Network

      MITRE ATT&CK Enterprise v6

      Replay Monitor

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      Downloads

      • memory/384-134-0x0000000000000000-mapping.dmp

      • memory/1396-143-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1396-146-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1396-145-0x0000000000400000-0x000000000041B000-memory.dmp

        Filesize

        108KB

      • memory/1396-142-0x0000000000000000-mapping.dmp

      • memory/2220-136-0x0000000000000000-mapping.dmp

      • memory/2436-137-0x0000000000000000-mapping.dmp

      • memory/3572-141-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        Filesize

        5.7MB

      • memory/3572-139-0x0000000000400000-0x0000000000484000-memory.dmp

        Filesize

        528KB

      • memory/3572-138-0x0000000000000000-mapping.dmp

      • memory/3572-147-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        Filesize

        5.7MB

      • memory/4336-135-0x0000000000000000-mapping.dmp

      • memory/4980-140-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        Filesize

        5.7MB

      • memory/4980-132-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        Filesize

        5.7MB

      • memory/4980-133-0x0000000074BF0000-0x00000000751A1000-memory.dmp

        Filesize

        5.7MB