Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    10/03/2024, 05:46

General

  • Target

    2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe

  • Size

    73KB

  • MD5

    1c1b9ac71019992890be41cfdd1cc262

  • SHA1

    0a214bb3e30ede4282b84377d5492a4888613ef8

  • SHA256

    10fb881f2f8deccbb5ebca32f84a722f7cbb7c57b1a9a4351df46d791bd21b4b

  • SHA512

    5402e83bb97f1fbedb391962a62260a3a21702176ceb91d0587d9a9972646df30f788af2c499af279ae7ca2b9c0ef169420f4a7330c110b1720e133ab461ac9f

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUP2:xj+VGMOtEvwDpjubwQEI8UP2

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 6 IoCs
  • Detects executables built or packed with MPress PE compressor 6 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\2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-10_1c1b9ac71019992890be41cfdd1cc262_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2512

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          74KB

          MD5

          d1689f18dc953513919c2187e3761e02

          SHA1

          e2f9bc965d55814703fa6577d6157556258f69a1

          SHA256

          e77d98810fb95e0c6845d3eaacadbbd8402bd1ff95943dd44488d6003523d009

          SHA512

          752d0db837a651c02ea78d802d4068724652a02068e7ed30b3254e900ff4bc5c74e0be1c793d98e19b1250a18bc3c60a950fce2f3089c5da60b1714e6f86956d

        • memory/2012-0-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/2012-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

          Filesize

          24KB

        • memory/2012-2-0x0000000000470000-0x0000000000476000-memory.dmp

          Filesize

          24KB

        • memory/2012-9-0x00000000002D0000-0x00000000002D6000-memory.dmp

          Filesize

          24KB

        • memory/2012-15-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/2012-13-0x0000000002BC0000-0x0000000002BD0000-memory.dmp

          Filesize

          64KB

        • memory/2512-17-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/2512-20-0x0000000000210000-0x0000000000216000-memory.dmp

          Filesize

          24KB

        • memory/2512-19-0x00000000001D0000-0x00000000001D6000-memory.dmp

          Filesize

          24KB

        • memory/2512-27-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB