Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    25/08/2024, 06:56

General

  • Target

    2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe

  • Size

    92KB

  • MD5

    a8ad6cbe60ed001d334eae23d9bf7485

  • SHA1

    3f30a326ea81773010527b2574a2346407035339

  • SHA256

    1593884d23d28fd36e798c5d773c33d50f4af77dfa72d2d6ff7607e6624e1a16

  • SHA512

    a1f03f49f8fb3a1e3a1448196680c07cbde59570e3e4b3d84fa07a08660b6a3d579645e80bdc126a65583a72fa231e9abac9b8b20e562bfc152c6354e4efa7a2

  • SSDEEP

    1536:n6QFElP6n+g9u9cvMOtEvwDpjYYTjipvF2bx1PQAeT:n6a+1SEOtEvwDpjYYvQd2PS

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 1 IoCs
  • UPX packed file 4 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • 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_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-25_a8ad6cbe60ed001d334eae23d9bf7485_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2648
    • 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:2836

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          92KB

          MD5

          30af4d342497b305293068ff3ccfc213

          SHA1

          d634ba6628eec4bc55e2bda5cb5c8dcbe190dc35

          SHA256

          daadd5281c9055ef2ff171b858ff1a0216b08a09569db12e7eaad629e84c2fbc

          SHA512

          f272b5193a2a496dd9eb15e269f1923a289b98e72ba459da22d4806020b30ca7366efd9feee973667ee599466a45cea7f4ebde3b7c63810a7ce885e7aa5d81c9

        • memory/2648-0-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/2648-2-0x0000000000460000-0x0000000000466000-memory.dmp

          Filesize

          24KB

        • memory/2648-9-0x0000000000420000-0x0000000000426000-memory.dmp

          Filesize

          24KB

        • memory/2648-1-0x0000000000420000-0x0000000000426000-memory.dmp

          Filesize

          24KB

        • memory/2648-16-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/2648-14-0x0000000000640000-0x0000000000650000-memory.dmp

          Filesize

          64KB

        • memory/2836-18-0x0000000000380000-0x0000000000386000-memory.dmp

          Filesize

          24KB

        • memory/2836-25-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2836-26-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB