Analysis

  • max time kernel
    141s
  • 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
    17/10/2024, 16:28

General

  • Target

    2024-10-17_8370f5f7c8061ff69e46c000e278b94d_cryptolocker.exe

  • Size

    38KB

  • MD5

    8370f5f7c8061ff69e46c000e278b94d

  • SHA1

    55939b06d0ac7b09bad06af2c62e4f18bbd815cd

  • SHA256

    731a374d5ed7c847bbbbe3e429f5195d027032bb4f2496015503e6724c85b7dd

  • SHA512

    7e309be7d258b4404f576ca1e5994fbb40ce1dd2b65fac4eb071f5ab8e9ccb881e234951f188887f43f0cf561c1534a80afbc43b251ea7e735072382311079b9

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFR+:m5nkFNMOtEvwDpjG8hhXA

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\2024-10-17_8370f5f7c8061ff69e46c000e278b94d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-17_8370f5f7c8061ff69e46c000e278b94d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2932
    • 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:3460

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          39KB

          MD5

          f149f5ad4b27d17722c432711d14db57

          SHA1

          789f2c534630359c0888f3396423532b8ede7b51

          SHA256

          a7d3fe85a7d750f560bd1ab95563248efbbcc74a556adae52cab32f20c69de27

          SHA512

          f3e04049940fc2bc821495eab616cab3ce48679c75d0710c81f48fd792b3e4cc220764cfb2b23fa13998c08762da7711c6400935cb89e11c029c23899a9b637e

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/2932-0-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/2932-1-0x0000000000770000-0x0000000000776000-memory.dmp

          Filesize

          24KB

        • memory/2932-2-0x0000000000770000-0x0000000000776000-memory.dmp

          Filesize

          24KB

        • memory/2932-3-0x0000000002230000-0x0000000002236000-memory.dmp

          Filesize

          24KB

        • memory/2932-18-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/3460-20-0x0000000000560000-0x0000000000566000-memory.dmp

          Filesize

          24KB

        • memory/3460-21-0x00000000006C0000-0x00000000006C6000-memory.dmp

          Filesize

          24KB

        • memory/3460-50-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB