Analysis

  • max time kernel
    95s
  • max time network
    96s
  • 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, 18:33

General

  • Target

    2024-10-12_7b33aff623e47712dc29dfebb3ff910d_cryptolocker.exe

  • Size

    57KB

  • MD5

    7b33aff623e47712dc29dfebb3ff910d

  • SHA1

    0444323ed9edfceb040699c91f62f631d4a71445

  • SHA256

    bf6fae39fbfbf9fcfba3099f8847fa9e3cf347bed223b1c96f9febbb6ff92315

  • SHA512

    0418bb73f5cdde4846eac44004eee1098f4562dea44d80cfa42f0c81b872db6f5cf4b59eeeb6dbf53291e888064f83a738d34fe0d985626cfc189e1ece986f21

  • SSDEEP

    1536:Tj+jsMQMOtEvwDpj5HmpJpOUHECgNMo0vp2EMz:TCjsIOtEvwDpj5HE/OUHnSMs

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_7b33aff623e47712dc29dfebb3ff910d_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-12_7b33aff623e47712dc29dfebb3ff910d_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4868
    • 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:4176

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          57KB

          MD5

          1d99f2d6dccbec079fa98999af1e418b

          SHA1

          67b4318653f371a21ea3e95157f13d3e3bfe82da

          SHA256

          d2d38f5cce588b6e65cd18e22ae44dd261ac300f599e67eb67d8be900cd82b8f

          SHA512

          83426270ba5fd38679a5d6d169926a94c91039a4cb0223e54dd2aa794b8b7d11ff80b65b559e2b87bcb44af372bbce7c344377e38a7fc6a0e043dba3339a62bd

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/4176-19-0x0000000000860000-0x0000000000866000-memory.dmp

          Filesize

          24KB

        • memory/4176-45-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/4868-0-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB

        • memory/4868-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/4868-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/4868-3-0x00000000006C0000-0x00000000006C6000-memory.dmp

          Filesize

          24KB

        • memory/4868-17-0x0000000000500000-0x000000000050E000-memory.dmp

          Filesize

          56KB