Analysis

  • max time kernel
    120s
  • max time network
    121s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    30/05/2024, 01:23

General

  • Target

    2024-05-30_045ed09204f686dbe7301052f0f479b8_cryptolocker.exe

  • Size

    35KB

  • MD5

    045ed09204f686dbe7301052f0f479b8

  • SHA1

    989986d502d5565e46fb71b76d95ec0a7e1949e2

  • SHA256

    37ab9cc8e126ffd2df15a59b724a425ea8039072a30f4cbe080b6796d33fb11a

  • SHA512

    54bdd8610429ec51599795d0a67bd6176e08ebfe178071f230aaa23112ce73c94b06bd5f8328bd4f4d0fa55d85731dd556f82fb66718960d2a9b1fea4f80908a

  • SSDEEP

    768:bxNQIE0eBhkL2Fo1CCwgfjOg9Arbkzos5Pp7J9:bxNrC7kYo1Fxf2rY1d9

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • 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).

  • Modifies system certificate store 2 TTPs 2 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-30_045ed09204f686dbe7301052f0f479b8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-30_045ed09204f686dbe7301052f0f479b8_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1280
    • C:\Users\Admin\AppData\Local\Temp\pissa.exe
      "C:\Users\Admin\AppData\Local\Temp\pissa.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:3044

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          35KB

          MD5

          019dc551538f01e0badf3963e2e5d3bb

          SHA1

          ffebc3b0031709c584f53533609f6a1b0423c749

          SHA256

          c6276c86a4b4e810aa790df1c72a8344e44438724d4d215dc537b7a9c15d3d87

          SHA512

          1be0113b6302eccffa21df57af115359df69d393aeeaafceccd098e74994d8c427e5a166483891f6b23e2f00ac7a88c1f603d31706e25926fc077d31d4e81767

        • memory/1280-0-0x0000000000470000-0x0000000000476000-memory.dmp

          Filesize

          24KB

        • memory/1280-8-0x0000000000470000-0x0000000000476000-memory.dmp

          Filesize

          24KB

        • memory/1280-1-0x0000000000480000-0x0000000000486000-memory.dmp

          Filesize

          24KB

        • memory/3044-15-0x0000000000750000-0x0000000000756000-memory.dmp

          Filesize

          24KB

        • memory/3044-22-0x0000000000740000-0x0000000000746000-memory.dmp

          Filesize

          24KB