Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/08/2024, 07:48

General

  • Target

    2024-08-09_62bd5446eefaf7863829a793fd1ac242_cryptolocker.exe

  • Size

    30KB

  • MD5

    62bd5446eefaf7863829a793fd1ac242

  • SHA1

    21b2991c6da7b5e0c0c8d7aa506d4cc4bf2e0861

  • SHA256

    8e3fd6384d09b3e1f9595f1e500cd23269da57fff6bbc22949fbcfffd3f3f75e

  • SHA512

    3aee52f7b0dd8b349ea48aae0aa234d9300721de95cb18ac0b34f3ac851f7fd5edcd6eaed6bdab4db85ba12a05cd304837abda84b53abc0db296196df7d19b56

  • SSDEEP

    384:v0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRS/Vb9he:vQz7yVEhs9+js1SQtOOtEvwDpjz9+aq

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\2024-08-09_62bd5446eefaf7863829a793fd1ac242_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-09_62bd5446eefaf7863829a793fd1ac242_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4604
    • 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:1752

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          30KB

          MD5

          574026e8734c78cd3ecd3081469f3c5c

          SHA1

          42b560a9cae8bd4868c052c93e47ac374f9f40b9

          SHA256

          26bd32b5fa9fe57b4bcd642806f5ef37604eb95c19f193213efadeeb0d4efea7

          SHA512

          20a56b9e838eec5601baad7863548cc6707fe62665f2d45c754dc1a030f2ca2f366465f96273f96f9abf83dc4b26f59800d4016e1c63c22017f976cd67557cfb

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1752-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/1752-18-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB

        • memory/4604-0-0x0000000000520000-0x0000000000526000-memory.dmp

          Filesize

          24KB

        • memory/4604-1-0x0000000000520000-0x0000000000526000-memory.dmp

          Filesize

          24KB

        • memory/4604-2-0x00000000021B0000-0x00000000021B6000-memory.dmp

          Filesize

          24KB