Analysis

  • max time kernel
    150s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 00:24

General

  • Target

    2024-10-13_3bff208486a6aee19690d8c0965d1b44_cryptolocker.exe

  • Size

    44KB

  • MD5

    3bff208486a6aee19690d8c0965d1b44

  • SHA1

    03a18041b484275b9c4808f69e589920103d8f51

  • SHA256

    aac59ebc12920491ccf35c087c3de06eb8d22e9554b3ed24fc189f22cc33eecf

  • SHA512

    4cd961952dbd079812f905aae9d40840582232bc099ae59f62f86e14c0461954d398ddbb08c98ad296af14c54327aa22f7e3da92e1dabaf2905b10d0c42da2bc

  • SSDEEP

    768:lQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RT6:lj+VGMOtEvwDpjy+e

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-13_3bff208486a6aee19690d8c0965d1b44_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_3bff208486a6aee19690d8c0965d1b44_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4220
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:1140

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • C:\Users\Admin\AppData\Local\Temp\misid.exe

          Filesize

          44KB

          MD5

          11be98636af6a5e0f505303b6457d949

          SHA1

          51f6d47cb0d82f7df5604485f060d40c6bbf565a

          SHA256

          8a108f523adb91ef41841dc780ae3d830cf1644408c7f982915cf75c0bac9b30

          SHA512

          03b58559163090ac81c8ff451bed28307f9c52847e0fe942694b1f0fa3568830b2eef8a62cccc923eb7ddbe7e90e6af3ef54913189eae690b48fd661b5678eff

        • C:\Users\Admin\AppData\Local\Temp\misids.exe

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1140-19-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/1140-20-0x00000000006C0000-0x00000000006C6000-memory.dmp

          Filesize

          24KB

        • memory/1140-39-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/4220-0-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/4220-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

          Filesize

          24KB

        • memory/4220-2-0x00000000020D0000-0x00000000020D6000-memory.dmp

          Filesize

          24KB

        • memory/4220-3-0x0000000002100000-0x0000000002106000-memory.dmp

          Filesize

          24KB

        • memory/4220-17-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB