Analysis

  • max time kernel
    149s
  • max time network
    152s
  • 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, 05:48

General

  • Target

    2024-10-12_ba437ca5ab26bcdd74513a54fe98f060_cryptolocker.exe

  • Size

    44KB

  • MD5

    ba437ca5ab26bcdd74513a54fe98f060

  • SHA1

    a56855d81da55f4efd098af4aca70244d61fd131

  • SHA256

    ac247f0d1d0aa265a1c0d2600c3b1214349faa6ed160289076593fa32999a582

  • SHA512

    b65ae437d2b858fbc2ec840abb279254f8fe923930240c45a465c2481529c7ce64a1a915d2545d7749259110b5f0afc33fa3cfc5a1a7d0c3e886f3428b4134ad

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLtldT:xj+VGMOtEvwDpjk/T

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_ba437ca5ab26bcdd74513a54fe98f060_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_ba437ca5ab26bcdd74513a54fe98f060_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1608
    • 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:1116

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          44KB

          MD5

          8d2e91138a4771a5ae2fb3cea0c5d8d1

          SHA1

          4361fd9efe9099c789c4e88270b94db168fc6230

          SHA256

          82e56c5ec3168edf5b969df884b53517687420f2fae4ae97bf04ff0e8d177f26

          SHA512

          bff094482c016f769ad11e7984c35e477cf37ff12c1ef9eeb03ed938797093d6f3508ce0248cc0364bad9c1f631b5850d96454ff0efa920832c1cbf605af981f

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1116-20-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/1116-19-0x00000000004C0000-0x00000000004C6000-memory.dmp

          Filesize

          24KB

        • memory/1116-46-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/1608-0-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/1608-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/1608-2-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/1608-4-0x0000000002060000-0x0000000002066000-memory.dmp

          Filesize

          24KB

        • memory/1608-17-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB