Analysis

  • max time kernel
    93s
  • max time network
    127s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/09/2024, 11:21

General

  • Target

    2024-09-09_6f9b984e897a980f674a0f5eb1a68601_cryptolocker.exe

  • Size

    31KB

  • MD5

    6f9b984e897a980f674a0f5eb1a68601

  • SHA1

    a3ca51ea7499e7f2df5ef6114ff5db2884c3a605

  • SHA256

    2e77d837404de2288569d6e1b0285fc275b6ebb3da00431117178feaf6a65daf

  • SHA512

    7c55cb342ae7f403901369bbedf9f6576048c7fb393bd8b384abd74409f8dafae086f574b000327612131d65bcce58a845952abf61307ea1aec3b3f5cf87f4e4

  • SSDEEP

    384:v0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRS/Vb9h4:vQz7yVEhs9+js1SQtOOtEvwDpjz9+9dF

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\2024-09-09_6f9b984e897a980f674a0f5eb1a68601_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-09_6f9b984e897a980f674a0f5eb1a68601_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2664
    • 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:4016

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          31KB

          MD5

          190e922df7d1d0a1d9aac4663461685c

          SHA1

          83980983b2ac524566dfd98d49a11a3cc9e48d21

          SHA256

          a2329b136a14b57d05762845f005a8cc39394cf7a13b3e2398c144c3e4432a74

          SHA512

          3cdc5fe195d797d361d4ea528c0c94e110d7834f680d9c8ec2da290206747edc8fbf8311294c84e241ecfc5add4cc542a0ecf8df314e4e6272131790d3c1ff1a

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/2664-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

          Filesize

          24KB

        • memory/2664-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

          Filesize

          24KB

        • memory/2664-2-0x0000000000890000-0x0000000000896000-memory.dmp

          Filesize

          24KB

        • memory/4016-17-0x0000000002050000-0x0000000002056000-memory.dmp

          Filesize

          24KB

        • memory/4016-23-0x00000000021B0000-0x00000000021B6000-memory.dmp

          Filesize

          24KB