Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240729-en
  • resource tags

    arch:x64arch:x86image:win7-20240729-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 07:04

General

  • Target

    2024-08-25_eb42399e474e63b70233237d52bde9e6_cryptolocker.exe

  • Size

    31KB

  • MD5

    eb42399e474e63b70233237d52bde9e6

  • SHA1

    9d1127076c4240f764aa85c7ef44ad20cc7acd74

  • SHA256

    7ed3cebc19ee2e5bf6d81b7a87a9b8f33cb005782edfb95cd75a67f2b17ca45b

  • SHA512

    0ceb4857d31365d5a441cfcebee7357620d7424f4b09fa5d817f7908ec7a0511d1886325489b0915c398fc6763bf58fdcc5a773b826f902c478cd328bb8970f8

  • SSDEEP

    384:v0VkMq01bJ3wtEwPS8HLEh+Jagz+3be+26Rsn1rCcOQtOOtEvwDpjqIGRS/Vb9h3:vQz7yVEhs9+js1SQtOOtEvwDpjz9+9A

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-25_eb42399e474e63b70233237d52bde9e6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-25_eb42399e474e63b70233237d52bde9e6_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2084

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          31KB

          MD5

          b75134b1e18010f1672bc1f95775d547

          SHA1

          e9e9338fa4dee6305188d7c6f637dfcff96602d8

          SHA256

          f5abf08c92bad27a7400e070929cd3bdbba623c70ff8718e8d529944da2df646

          SHA512

          0de993ab74016758c0ac8c1b7311daaecac61ba3ccceb0c1ad85a47e7122ee913c071dab270e2f2e2b1c9d17d888245199a728bdb807fc05b795020c5d93e472

        • memory/2084-15-0x0000000000310000-0x0000000000316000-memory.dmp

          Filesize

          24KB

        • memory/2084-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/2528-0-0x0000000000420000-0x0000000000426000-memory.dmp

          Filesize

          24KB

        • memory/2528-1-0x0000000000460000-0x0000000000466000-memory.dmp

          Filesize

          24KB

        • memory/2528-8-0x0000000000420000-0x0000000000426000-memory.dmp

          Filesize

          24KB