Analysis

  • max time kernel
    165s
  • max time network
    184s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230915-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230915-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2023, 21:55

General

  • Target

    dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe

  • Size

    199KB

  • MD5

    8450c4e5c4ee9f5a112be4b76c08c3a9

  • SHA1

    38422652e9a069b3802fb90ff49c868950e6c388

  • SHA256

    dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4

  • SHA512

    61125de2859e165d4e6b699d984797311094c8f64d35ba6263e157ab6a93b02968c359dc06078890d63803bce1780cfa551f48d6e763e683ec347b5a952e79e5

  • SSDEEP

    6144:rBs27MMLyX5HXXXDTXXXOGqIII+pXXX5AYjKXXXDoXXXG6XXXxXXXLIIIEAkOCOd:rK20HXXX/XXXFqIIIcXXX5j2XXXcXXXI

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe
    "C:\Users\Admin\AppData\Local\Temp\dbf0e3d243cd20179ef598a3264d279c742727710671da5243b8d0f04e6d62c4.exe"
    1⤵
    • Checks computer location settings
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4816
    • C:\Windows\SysWOW64\cmd.exe
      "C:\Windows\system32\cmd.exe" /c del C:\Users\Admin\AppData\Local\Temp\DBF0E3~1.EXE > nul
      2⤵
        PID:3816
    • C:\Windows\Debug\jmahost.exe
      C:\Windows\Debug\jmahost.exe
      1⤵
      • Executes dropped EXE
      • Checks processor information in registry
      PID:3376

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Windows\Debug\jmahost.exe

            Filesize

            199KB

            MD5

            4e38841934b0f6c584cd27a482023082

            SHA1

            210578ab7bff288ec53f1bf8f890f32b405cdc26

            SHA256

            e5a1d117bb4c5c77a9668504f8b1ffc37427608fd86fbb0ed4c9e4d27aa976ba

            SHA512

            71c889a287c2109da5acd7153acce8c2ee15fb1dc12897a16ec718640bfd67448dcdfa1cd005e651cd820656263bd3749a8cf989562ffb8f501aad852b4585e2

          • C:\Windows\debug\jmahost.exe

            Filesize

            199KB

            MD5

            4e38841934b0f6c584cd27a482023082

            SHA1

            210578ab7bff288ec53f1bf8f890f32b405cdc26

            SHA256

            e5a1d117bb4c5c77a9668504f8b1ffc37427608fd86fbb0ed4c9e4d27aa976ba

            SHA512

            71c889a287c2109da5acd7153acce8c2ee15fb1dc12897a16ec718640bfd67448dcdfa1cd005e651cd820656263bd3749a8cf989562ffb8f501aad852b4585e2