Analysis

  • max time kernel
    151s
  • max time network
    122s
  • platform
    windows7_x64
  • resource
    win7-20221111-en
  • resource tags

    arch:x64arch:x86image:win7-20221111-enlocale:en-usos:windows7-x64system
  • submitted
    01-12-2022 23:25

General

  • Target

    4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b.exe

  • Size

    144KB

  • MD5

    e51c9656caaa74ae856dd67c5e4bbaf0

  • SHA1

    8aac8ca17dbc5864f14422771f6781ca6bcc2444

  • SHA256

    4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b

  • SHA512

    7002f55065bba31088caac4f14dc0af065674c29e8fcbe48b05b97e55af3f62723b58c47620471f4c3d484efcce4eadc453b2d126e75b0852ddfc8c98c5d7643

  • SSDEEP

    3072:T4Dq0BO5VIdhvoiOhkidHTBzSP052WKKM4XR14dv:69vhOhjdzBGPeHKIrY

Score
10/10

Malware Config

Signatures

  • Modifies visiblity of hidden/system files in Explorer 2 TTPs 2 IoCs
  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 2 IoCs
  • Adds Run key to start application 2 TTPs 27 IoCs
  • Maps connected drives based on registry 3 TTPs 4 IoCs

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

  • Drops autorun.inf file 1 TTPs 1 IoCs

    Malware can abuse Windows Autorun to spread further via attached volumes.

  • 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 51 IoCs
  • Suspicious use of SetWindowsHookEx 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b.exe
    "C:\Users\Admin\AppData\Local\Temp\4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b.exe"
    1⤵
    • Suspicious use of SetThreadContext
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1808
    • C:\Users\Admin\AppData\Local\Temp\4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b.exe
      74
      2⤵
      • Modifies visiblity of hidden/system files in Explorer
      • Loads dropped DLL
      • Adds Run key to start application
      • Maps connected drives based on registry
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:836
      • C:\Users\Admin\vouuje.exe
        "C:\Users\Admin\vouuje.exe"
        3⤵
        • Executes dropped EXE
        • Suspicious use of SetThreadContext
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:1368
        • C:\Users\Admin\vouuje.exe
          74
          4⤵
          • Modifies visiblity of hidden/system files in Explorer
          • Executes dropped EXE
          • Adds Run key to start application
          • Maps connected drives based on registry
          • Drops autorun.inf file
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of SetWindowsHookEx
          PID:880

Network

MITRE ATT&CK Enterprise v6

Replay Monitor

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Downloads

  • C:\Users\Admin\vouuje.exe

    Filesize

    144KB

    MD5

    e51c9656caaa74ae856dd67c5e4bbaf0

    SHA1

    8aac8ca17dbc5864f14422771f6781ca6bcc2444

    SHA256

    4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b

    SHA512

    7002f55065bba31088caac4f14dc0af065674c29e8fcbe48b05b97e55af3f62723b58c47620471f4c3d484efcce4eadc453b2d126e75b0852ddfc8c98c5d7643

  • C:\Users\Admin\vouuje.exe

    Filesize

    144KB

    MD5

    e51c9656caaa74ae856dd67c5e4bbaf0

    SHA1

    8aac8ca17dbc5864f14422771f6781ca6bcc2444

    SHA256

    4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b

    SHA512

    7002f55065bba31088caac4f14dc0af065674c29e8fcbe48b05b97e55af3f62723b58c47620471f4c3d484efcce4eadc453b2d126e75b0852ddfc8c98c5d7643

  • C:\Users\Admin\vouuje.exe

    Filesize

    144KB

    MD5

    e51c9656caaa74ae856dd67c5e4bbaf0

    SHA1

    8aac8ca17dbc5864f14422771f6781ca6bcc2444

    SHA256

    4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b

    SHA512

    7002f55065bba31088caac4f14dc0af065674c29e8fcbe48b05b97e55af3f62723b58c47620471f4c3d484efcce4eadc453b2d126e75b0852ddfc8c98c5d7643

  • \Users\Admin\vouuje.exe

    Filesize

    144KB

    MD5

    e51c9656caaa74ae856dd67c5e4bbaf0

    SHA1

    8aac8ca17dbc5864f14422771f6781ca6bcc2444

    SHA256

    4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b

    SHA512

    7002f55065bba31088caac4f14dc0af065674c29e8fcbe48b05b97e55af3f62723b58c47620471f4c3d484efcce4eadc453b2d126e75b0852ddfc8c98c5d7643

  • \Users\Admin\vouuje.exe

    Filesize

    144KB

    MD5

    e51c9656caaa74ae856dd67c5e4bbaf0

    SHA1

    8aac8ca17dbc5864f14422771f6781ca6bcc2444

    SHA256

    4cc8eafc48b7a4f3752e1181159ffbb25eeac29105611c0cad31ce845e47ac9b

    SHA512

    7002f55065bba31088caac4f14dc0af065674c29e8fcbe48b05b97e55af3f62723b58c47620471f4c3d484efcce4eadc453b2d126e75b0852ddfc8c98c5d7643

  • memory/836-63-0x00000000759F1000-0x00000000759F3000-memory.dmp

    Filesize

    8KB

  • memory/836-64-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/836-56-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/836-62-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/836-59-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/880-79-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB

  • memory/880-81-0x0000000000400000-0x0000000000413000-memory.dmp

    Filesize

    76KB