Analysis

  • max time kernel
    118s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/11/2024, 13:53

General

  • Target

    ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe

  • Size

    665KB

  • MD5

    4c0c38e7fad334322adc74c33eb50ac0

  • SHA1

    d0706bfa6dab31f79f7cbe6265569e8b1184dbdb

  • SHA256

    ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0

  • SHA512

    5542d4f78b1af871ab097fc2caeaeb84fb82064a73e7da94cb9d613a10e1442c924358c15f5b5fd6128eba75312096c3a66170ff087bfadaa5c9d46013e60523

  • SSDEEP

    12288:3Z8nkF9oy1ADvMKdhAS0jjLz7hoo3RpEcvALALdt/xBot/FcEic/3IWVscSfVo8o:3Z8nkF9oySiLz72ooSru/so3V9xmFXA

Score
10/10

Malware Config

Signatures

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious use of SetThreadContext 2 IoCs
  • Drops file in Windows directory 4 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 5 IoCs

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

  • Checks processor information in registry 2 TTPs 4 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Modifies registry class 1 IoCs
  • Suspicious use of WriteProcessMemory 20 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe
    "C:\Users\Admin\AppData\Local\Temp\ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4932
    • C:\Users\Admin\AppData\Local\Temp\ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe
      "C:\Users\Admin\AppData\Local\Temp\ac6a274f5fde714dfd8bba9e46bb724861e4b406ea132d119e2e872d0b58abd0N.exe"
      2⤵
      • Checks computer location settings
      • Drops file in Windows directory
      • System Location Discovery: System Language Discovery
      • Checks processor information in registry
      • Modifies registry class
      • Suspicious use of WriteProcessMemory
      PID:1884
      • C:\Windows\SysWOW64\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\remove30108.bat" "
        3⤵
        • System Location Discovery: System Language Discovery
        PID:4332
      • C:\Windows\service.exe
        "C:\Windows\service.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • System Location Discovery: System Language Discovery
        • Suspicious use of WriteProcessMemory
        PID:3104
        • C:\Windows\service.exe
          "C:\Windows\service.exe"
          4⤵
          • Modifies WinLogon for persistence
          • Executes dropped EXE
          • Adds Run key to start application
          • Drops file in Windows directory
          • System Location Discovery: System Language Discovery
          • Checks processor information in registry
          PID:3732

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        • C:\Users\Admin\AppData\Local\Temp\remove30108.bat

          Filesize

          269B

          MD5

          6c6503303985b1ff09b979223e9b682c

          SHA1

          1172ca8d6ced99fe023e0de563e8ac36608e197d

          SHA256

          85d657a903ab6a6b8d226e273ba311b0c58074a7d3b01a0d402dfbf5910c9a43

          SHA512

          1d9ffffe6ac051b85852190228e687351dd275d1f0e0478826735699992646ee2b6f7bb79c0712ea274e68fe3606c8af14dfd292421c9c2fbbc68b03398fdad3

        • C:\Users\Admin\AppData\Local\Temp\shell32.dll

          Filesize

          51B

          MD5

          cac6c9c44b7ba77569037004849f4d6d

          SHA1

          6bdf754cf0bb144e17ffd703663e4c5801598317

          SHA256

          745528a15bf44f5504e5a1a27a5397e70dd6b1790093928f730a181e74776835

          SHA512

          a38711de27f0ca7a3f0673f3fdc16e1aa20e7828b7db16041d6307e7c68f3ef78ee3e007754f98a4ff113f99ec1b32ffece6e16a7dfdae3e1a287e009b9fa114

        • C:\Windows\service.exe

          Filesize

          668KB

          MD5

          6e3a65fc1cde08d4b32b9a5ffb493c4d

          SHA1

          a984cc254aae4ab91f3156c2ce3a6654c9c8a715

          SHA256

          4422e3f6805d73d8d0460489f46a52c630ab9856f1693e79b0c0980d9b86e62e

          SHA512

          5b89506ae0c1eb2d683b9c5033ba6aff379e5a83dd4f695fc0490f9e7314dafa9c344a5b1ddec95588111c397a4aef3a52ba253aa928e9af556b612f7f14f8fc

        • memory/1884-48-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/1884-4-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/1884-3-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/1884-0-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/3104-53-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB

        • memory/3732-54-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/3732-55-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/3732-58-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/3732-57-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/3732-59-0x0000000000400000-0x000000000041A000-memory.dmp

          Filesize

          104KB

        • memory/4932-2-0x0000000000400000-0x000000000044B000-memory.dmp

          Filesize

          300KB