Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/08/2023, 19:31

General

  • Target

    460d69139511072104a574003de20357_cryptolocker_JC.exe

  • Size

    30KB

  • MD5

    460d69139511072104a574003de20357

  • SHA1

    81cf7182913bb045d283f1fb268ced0e026094c9

  • SHA256

    dd92137e557558d4b865881ff9ee6517ad049cc421ca06c40da972c3eee8cba2

  • SHA512

    43df1045d20de09da53b26780de043ed5a79bbf68710017a6ec6403430fcb3388a7898c9f93539eef36a2b89083f3ea12a38368a4548582663887a6b680d3c0e

  • SSDEEP

    768:X6LsoEEeegiZPvEhHSG+gp/QtOOtEvwDpjBjML1:X6QFElP6n+gJQMOtEvwDpjBe1

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\460d69139511072104a574003de20357_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\460d69139511072104a574003de20357_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3028
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      PID:4004

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          31KB

          MD5

          f7b4b3a3249a2767d95f7d39863298c9

          SHA1

          88bf2c7aee33d2bcdf3cc3f45d26ef514eb2ab0f

          SHA256

          c8afdb610abab8aba549896e57a7c0b5f78bef8eaf9f9311c1d78c46dd40fc38

          SHA512

          89024a3f1492113ecfd7fb93adeefffee028b0f4c5f8de02801ae73e13e81c6933eae360c21e6a2ea647770178f3ac5d0ae6caccf9cdf8fe4520d9077ae427aa

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

          Filesize

          31KB

          MD5

          f7b4b3a3249a2767d95f7d39863298c9

          SHA1

          88bf2c7aee33d2bcdf3cc3f45d26ef514eb2ab0f

          SHA256

          c8afdb610abab8aba549896e57a7c0b5f78bef8eaf9f9311c1d78c46dd40fc38

          SHA512

          89024a3f1492113ecfd7fb93adeefffee028b0f4c5f8de02801ae73e13e81c6933eae360c21e6a2ea647770178f3ac5d0ae6caccf9cdf8fe4520d9077ae427aa

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

          Filesize

          31KB

          MD5

          f7b4b3a3249a2767d95f7d39863298c9

          SHA1

          88bf2c7aee33d2bcdf3cc3f45d26ef514eb2ab0f

          SHA256

          c8afdb610abab8aba549896e57a7c0b5f78bef8eaf9f9311c1d78c46dd40fc38

          SHA512

          89024a3f1492113ecfd7fb93adeefffee028b0f4c5f8de02801ae73e13e81c6933eae360c21e6a2ea647770178f3ac5d0ae6caccf9cdf8fe4520d9077ae427aa

        • memory/3028-133-0x0000000000660000-0x0000000000666000-memory.dmp

          Filesize

          24KB

        • memory/3028-134-0x0000000000660000-0x0000000000666000-memory.dmp

          Filesize

          24KB

        • memory/3028-135-0x00000000021B0000-0x00000000021B6000-memory.dmp

          Filesize

          24KB

        • memory/4004-150-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/4004-151-0x00000000006C0000-0x00000000006C6000-memory.dmp

          Filesize

          24KB