Analysis

  • max time kernel
    300s
  • max time network
    197s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231130-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01-12-2023 22:26

General

  • Target

    calc.cmd

  • Size

    1KB

  • MD5

    d457ed0b51ba58273b024d449387f162

  • SHA1

    60bf619ed079ca310a5c426d2d7ce52c5d879647

  • SHA256

    595590fdfa9618b7f7aab5b8795f9336d71c8918f60aa88dce5d4b07c7071a5a

  • SHA512

    3996849f9ca799be6d42c41ae9634e7b282fccf4a366756015e5f16b0e76c941189fd65776ef9bdf51b6faa3536bb4f0d27ec09552dd5a02834ed214d3beffcf

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 3 IoCs

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

  • Delays execution with timeout.exe 1 IoCs
  • Enumerates system info in registry 2 TTPs 3 IoCs
  • Kills process with taskkill 2 IoCs
  • Modifies registry class 1 IoCs
  • Suspicious behavior: AddClipboardFormatListener 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 8 IoCs
  • Suspicious use of WriteProcessMemory 16 IoCs
  • Views/modifies file attributes 1 TTPs 1 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    C:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\calc.cmd"
    1⤵
    • Checks computer location settings
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:4240
    • C:\Windows\System32\WScript.exe
      "C:\Windows\System32\WScript.exe" "C:\ProgramData\488354ce-01ce-4d45-b47a-88701d40c52a.vbs"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:2132
      • C:\Windows\system32\cmd.exe
        C:\Windows\system32\cmd.exe /c ""C:\ProgramData\488354ce-01ce-4d45-b47a-88701d40c52a.bat" "
        3⤵
        • Suspicious use of WriteProcessMemory
        PID:3620
        • C:\Windows\system32\chcp.com
          chcp 65001
          4⤵
            PID:4960
          • C:\Windows\system32\timeout.exe
            timeout 300
            4⤵
            • Delays execution with timeout.exe
            PID:4920
          • C:\Windows\system32\taskkill.exe
            taskkill /im msedge.exe /f
            4⤵
            • Kills process with taskkill
            • Suspicious use of AdjustPrivilegeToken
            PID:4312
      • C:\Windows\system32\attrib.exe
        attrib -h -r /s
        2⤵
        • Views/modifies file attributes
        PID:4748
      • C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE
        "C:\Program Files\Microsoft Office\Root\Office16\WINWORD.EXE" /n "C:\Users\Admin\AppData\Local\Temp\war.docx" /o ""
        2⤵
        • Checks processor information in registry
        • Enumerates system info in registry
        • Suspicious behavior: AddClipboardFormatListener
        • Suspicious use of SetWindowsHookEx
        PID:3028
      • C:\Windows\system32\taskkill.exe
        taskkill /F /IM "war .EXE"
        2⤵
        • Kills process with taskkill
        • Suspicious use of AdjustPrivilegeToken
        PID:2380

    Network

    MITRE ATT&CK Enterprise v15

    Replay Monitor

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    Downloads

    • C:\ProgramData\488354ce-01ce-4d45-b47a-88701d40c52a.bat

      Filesize

      574B

      MD5

      1c28e4650b89c53b1bfbaa681df69b6e

      SHA1

      4a35b98da5127ee907cd861089a67ee921f001d9

      SHA256

      f772458b163fdf1a1a22fceedfa822174f7ba622e71347473bf543ee617c9150

      SHA512

      85483b4f8b274d1b3f498aa94b51b5d1cd3b4644d3d1e43c22d74b496fbaf98d25c694888d7e72f498031f22f8c44c82377a6b3fdc5bca8c6f895172d532d3d0

    • C:\ProgramData\488354ce-01ce-4d45-b47a-88701d40c52a.vbs

      Filesize

      130B

      MD5

      9db9550d272e9aeac7d7f4e0e4992e49

      SHA1

      a64f1d2de1105a1c231db36e35b5aa49b5d4a67f

      SHA256

      dea3e44a690518ac8661d541ce6420ad62c0675ff1f048f96d3914238c05729f

      SHA512

      fa6c0564cad085039a58f646ec26ea2a7e577e833ece5219b5e62ccb1effab013bf690fbe6fc032a3e55e7525cffe1476b607b173a5636f3ad27cb8891252318

    • C:\Users\Admin\AppData\Roaming\Microsoft\UProof\ExcludeDictionaryEN0409.lex

      Filesize

      2B

      MD5

      f3b25701fe362ec84616a93a45ce9998

      SHA1

      d62636d8caec13f04e28442a0a6fa1afeb024bbb

      SHA256

      b3d510ef04275ca8e698e5b3cbb0ece3949ef9252f0cdc839e9ee347409a2209

      SHA512

      98c5f56f3de340690c139e58eb7dac111979f0d4dffe9c4b24ff849510f4b6ffa9fd608c0a3de9ac3c9fd2190f0efaf715309061490f9755a9bfdf1c54ca0d84

    • memory/3028-22-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-84-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-23-0x00007FFD1B1F0000-0x00007FFD1B200000-memory.dmp

      Filesize

      64KB

    • memory/3028-8-0x00007FFD1D850000-0x00007FFD1D860000-memory.dmp

      Filesize

      64KB

    • memory/3028-12-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-14-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-13-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-15-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-16-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-17-0x00007FFD1B1F0000-0x00007FFD1B200000-memory.dmp

      Filesize

      64KB

    • memory/3028-18-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-19-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-21-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-11-0x00007FFD1D850000-0x00007FFD1D860000-memory.dmp

      Filesize

      64KB

    • memory/3028-9-0x00007FFD1D850000-0x00007FFD1D860000-memory.dmp

      Filesize

      64KB

    • memory/3028-24-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-10-0x00007FFD1D850000-0x00007FFD1D860000-memory.dmp

      Filesize

      64KB

    • memory/3028-25-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-26-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-27-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-28-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-29-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-30-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-7-0x00007FFD1D850000-0x00007FFD1D860000-memory.dmp

      Filesize

      64KB

    • memory/3028-57-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-80-0x00007FFD1D850000-0x00007FFD1D860000-memory.dmp

      Filesize

      64KB

    • memory/3028-81-0x00007FFD1D850000-0x00007FFD1D860000-memory.dmp

      Filesize

      64KB

    • memory/3028-82-0x00007FFD1D850000-0x00007FFD1D860000-memory.dmp

      Filesize

      64KB

    • memory/3028-83-0x00007FFD1D850000-0x00007FFD1D860000-memory.dmp

      Filesize

      64KB

    • memory/3028-85-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB

    • memory/3028-20-0x00007FFD5D7D0000-0x00007FFD5D9C5000-memory.dmp

      Filesize

      2.0MB