Analysis

  • max time kernel
    149s
  • max time network
    150s
  • 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, 02:25

General

  • Target

    2024-10-13_78c4db63eb731fc2b19266df2b982da9_cryptolocker.exe

  • Size

    69KB

  • MD5

    78c4db63eb731fc2b19266df2b982da9

  • SHA1

    165788f34f2f03d3da53f59b73a3951e2293c1b4

  • SHA256

    5706f5da79b85a558632b529f092f84019b070288929bb835cbfffe8b93dd264

  • SHA512

    8557afe3d0f222cf7300a4e9081e9dc1e226926a0762262c680b32dc4b8a34f98eba2aefe494faa92752db76f565ee76fc8d9d3fcbe279a42472114e9ddd221b

  • SSDEEP

    768:gUQz7yVEhs9+4T/1bytOOtEvwDpjNbZ9BL7r:gUj+AIMOtEvwDpjNbx7r

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_78c4db63eb731fc2b19266df2b982da9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_78c4db63eb731fc2b19266df2b982da9_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2700
    • 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:1612

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          70KB

          MD5

          34886541c75450645a90d67e719c266f

          SHA1

          34a3200209e88a582857eb7165b8ab30aa974263

          SHA256

          525722cf26e254f8f957b61664823dd7db694c08453c359ab3ef813e3e190ffd

          SHA512

          ee0a515634586689f0118ab5f7cff800e2a05c922e41a080177a0de7433423cba152d76c0dd6d544f0a0ea4f0d4638444ce704c11717b5b7c062665a7a6bcd2e

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1612-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/1612-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/2700-0-0x0000000000870000-0x0000000000876000-memory.dmp

          Filesize

          24KB

        • memory/2700-1-0x0000000000870000-0x0000000000876000-memory.dmp

          Filesize

          24KB

        • memory/2700-2-0x0000000000890000-0x0000000000896000-memory.dmp

          Filesize

          24KB