Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12/05/2024, 07:28

General

  • Target

    2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe

  • Size

    46KB

  • MD5

    2d7a32196706ba69082391a5bd7298d6

  • SHA1

    fea30d71f91d1197ff5ce4e1c4ceb6397ca6f107

  • SHA256

    14cb8f33efbdc10d0f90fcbd7fc23913a769bcab355199570b20dadd0a9a6a87

  • SHA512

    7ad762e07721646ea7cc95495b9a7d14cef85fa29986da6c28ac8fa63d842541874015977c717932db3e78141780522518d50a041ea13a74977179546dc7215a

  • SSDEEP

    768:P6LsoEEeegiZPvEhHS5+Mh/QtOOtEvwDpjBpaD3TUogs/VXpAPlu:P6QFElP6k+MRQMOtEvwDpjBQpVX8u

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-12_2d7a32196706ba69082391a5bd7298d6_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:3068
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:3032

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          46KB

          MD5

          b83c609c4eb6bee200a38e24d6dfe208

          SHA1

          f41ca6b30eb3facfb0299477fb2968e7b9547db9

          SHA256

          b70b8a4bc3b542297b69b1266a278df2775edacff568cf914286560a4046530a

          SHA512

          379430dc690cdefdf2cc08266c25155aab2a5bab03351b133859a1cd50a72aafcbf0f6252a92b8fbd2ab3d784efe33b78703f26d3d579e90ca392e06de051377

        • memory/3032-16-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/3032-18-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB

        • memory/3032-25-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/3032-26-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/3068-0-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/3068-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/3068-2-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/3068-3-0x0000000000290000-0x0000000000296000-memory.dmp

          Filesize

          24KB

        • memory/3068-15-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB