Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/10/2024, 02:42

General

  • Target

    2024-10-12_5c520fe912cb48902c2806fcce52bbbe_cryptolocker.exe

  • Size

    47KB

  • MD5

    5c520fe912cb48902c2806fcce52bbbe

  • SHA1

    80de63d5729f936dea263741c9f648202302c7dc

  • SHA256

    f1d5475dd265c7026f2b8dfb8006383596b1fc8969e1bb42dfeacfbc1d1a92e0

  • SHA512

    3a011581fdcb851e5002d6aff8b0144671fdcc52bebbb8f3f74b5e2646cb4382765d2ed94d39012f7fe1c6782af5e411479803018bbd0952fa4380b3daa9753b

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDhkJlW:6j+1NMOtEvwDpjrRraJY

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\2024-10-12_5c520fe912cb48902c2806fcce52bbbe_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_5c520fe912cb48902c2806fcce52bbbe_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1204
    • 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:3192

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          47KB

          MD5

          04957e5e9d406b2ccd63c9544f1c2242

          SHA1

          01df65e680b66e7c6b67f03688fb4069cb09e188

          SHA256

          a8439f5533c4205a098359bc0ae83c480779ca479ae90db9adec1bb6131ea36a

          SHA512

          1ea8275450ed0aff24b4bdcb5fbf7064e49f0063c65747dd4b431d62d914c8143229bde7361b6228516f4e789d1cb680949f3e78457d4599b4f8a4826253f527

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1204-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1204-1-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/1204-2-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/1204-3-0x0000000000860000-0x0000000000866000-memory.dmp

          Filesize

          24KB

        • memory/1204-17-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/3192-19-0x0000000002050000-0x0000000002056000-memory.dmp

          Filesize

          24KB

        • memory/3192-20-0x0000000002070000-0x0000000002076000-memory.dmp

          Filesize

          24KB

        • memory/3192-48-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB