Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/06/2024, 03:24

General

  • Target

    2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe

  • Size

    62KB

  • MD5

    0baf492ae393e1b39a65d1123ca6932c

  • SHA1

    887f86d42dd24ef9cd5cdffe39a0b267eb367b7b

  • SHA256

    4ae1bf9cd39bf5a99b5dad13f8caf8dd2de4559f014bd5cdc032e57da5fa944e

  • SHA512

    ae0d0ff83a2657c902fd77575c52756c9f33c92383f540baf63c74d20e2db20876f9bad50037b308f26b8d49e3ca7d2b98efa07b8b780400b0a5a5bf4ee32fda

  • SSDEEP

    768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9u:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWws

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Checks computer location settings 2 TTPs 1 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).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-11_0baf492ae393e1b39a65d1123ca6932c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3928
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3468

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          63KB

          MD5

          fa5ae00c6e411f892e02e2448a15ac46

          SHA1

          1a4105913d34d1a478d76af96109e7c33b9fae55

          SHA256

          b30d55a923f69cbd13ed267d55f310c3f9936478c1cc5a716ed79b47a9427d21

          SHA512

          d5c51bff4126dea8be3cb6b7c8152fd2ef58e967fda636ac1baba0663278e9c5127c5b15931a8b75178b1ccac020b71d2eac54cff777d5fe14cef612debce6ea

        • memory/3468-18-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/3468-26-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/3928-0-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/3928-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/3928-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/3928-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/3928-17-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB