Analysis

  • max time kernel
    134s
  • max time network
    143s
  • platform
    windows7_x64
  • resource
    win7-20240704-en
  • resource tags

    arch:x64arch:x86image:win7-20240704-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 06:44

General

  • Target

    2024-08-25_7b3b2d2e824945c21ae8e2d2e804a6c5_cryptolocker.exe

  • Size

    55KB

  • MD5

    7b3b2d2e824945c21ae8e2d2e804a6c5

  • SHA1

    b4d4fe03f17955eec3710472bd8600839676da65

  • SHA256

    3114551ccb54f2f2c60b37b82e7b3bdad6e4f96c281a812e38aedc2dbc7e1c4f

  • SHA512

    71cd5adc707e3b42d77aa46cf305defd7d81b24995812d1e6111cd637b8f5b728e822f6580f369e5230cf92708f3ab2bc003243866699b8a95292a7f484ba310

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/BtOOtEvwDpjBVaD3E09vxmlcaTIw7:X6QFElP6n+gJBMOtEvwDpjBtExmlV

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_7b3b2d2e824945c21ae8e2d2e804a6c5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-25_7b3b2d2e824945c21ae8e2d2e804a6c5_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2528
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1736

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          55KB

          MD5

          84acb281b9883aaca2a91d6f8b5e98ad

          SHA1

          3f4907d2f4c496367ffcfefc374a2ed8ab721c8d

          SHA256

          45f964e943a1f711187d452dcfb3df7bd5302a3de86a748441449e0097352e85

          SHA512

          2ef534d59e6e442720f4c111677fe021eeb6c18850403a8ed0a4cf315d947d0abd9b4613fa52aaadd2f084f85f7fc5c756415a5e3f5262f8807145486d63d173

        • memory/1736-22-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/2528-0-0x0000000000320000-0x0000000000326000-memory.dmp

          Filesize

          24KB

        • memory/2528-2-0x0000000000460000-0x0000000000466000-memory.dmp

          Filesize

          24KB

        • memory/2528-1-0x0000000000320000-0x0000000000326000-memory.dmp

          Filesize

          24KB