Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240910-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240910-enlocale:en-usos:windows10-2004-x64system
  • submitted
    14/09/2024, 02:34

General

  • Target

    2024-09-14_877da58332a3f3470fd05cf04feb3358_cryptolocker.exe

  • Size

    75KB

  • MD5

    877da58332a3f3470fd05cf04feb3358

  • SHA1

    bcd30e98561df90c93e08c1e4ad6c2df12c73da8

  • SHA256

    a0ec44549d6e1915ff98a61d57fa9544bff251349dfd0aa4a5c7a04c9eeb98c5

  • SHA512

    c62e6c401e04a7a05b3c2976145629e74628db3dc177e1623deed60459c48f6d82c272bdaa43625a653ddf3a8605fa820dc396c4410df992296ec0650c2e98fd

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUPs:xj+VGMOtEvwDpjubwQEI8UPs

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\2024-09-14_877da58332a3f3470fd05cf04feb3358_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-14_877da58332a3f3470fd05cf04feb3358_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1484
    • 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:2160

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          75KB

          MD5

          c69eb283d9d4e1a843ea03e383071062

          SHA1

          19fadf9654566742f213c7e1553276fc41814860

          SHA256

          85d50435de8f86211eab2843e0b076378885e0be643a58c6050cb89266a0a142

          SHA512

          eca2910a831794e0753a0c0a68337b1ae4661cae6638a55697e92ab5820b94097cc97f9ba1a16acc8fd4a201914e15902edd8fe482cff963f7ea350d1de15e7f

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1484-0-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/1484-1-0x00000000007B0000-0x00000000007B6000-memory.dmp

          Filesize

          24KB

        • memory/1484-2-0x00000000007B0000-0x00000000007B6000-memory.dmp

          Filesize

          24KB

        • memory/1484-3-0x00000000007D0000-0x00000000007D6000-memory.dmp

          Filesize

          24KB

        • memory/1484-17-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/2160-19-0x0000000002000000-0x0000000002006000-memory.dmp

          Filesize

          24KB

        • memory/2160-25-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/2160-46-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB