Analysis

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

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    06/06/2024, 21:39

General

  • Target

    2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe

  • Size

    75KB

  • MD5

    e9038d4226c1d7685477d0acb55d03fb

  • SHA1

    8fc1f6c8f2107e7590ca53a81f8431000ed27beb

  • SHA256

    d56e9510272d109b4e4c0025d7e7536a8ad71c3c4a6d2db358bcf68a4aaa2999

  • SHA512

    d9b7664f0dcaef8841eae5399dd19c2e8871e7746e6a0622008445fdaad91ca2603a2b3a56a77a0df90fe5c125fe2e08dddb776dde2d41afa6c90798c437f76e

  • SSDEEP

    768:u6LsoEEeegiZPvEhHSG+gZgtOOtEvwDpjeY10Y/YMs6gt4:u6QFElP6n+gWMOtEvwDpjJGYQbb4

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-06_e9038d4226c1d7685477d0acb55d03fb_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2804
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.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\asih.exe

          Filesize

          75KB

          MD5

          388de437cdab1ebf21f3d391bc3ab599

          SHA1

          c6fe1324bbb72d50f7c927b80478469cd9af8a78

          SHA256

          329d290cf4b75a61bcb43148c88a816862c53c4aaa8d9df404632644518cd473

          SHA512

          76776e0855dd58e0a87cdac5b462c7804938651916c901fab1c0c60d15489fb5087964abe488fba3a7228dfbc7c9a6146b44b16e0a1a5649e3718f91bc6c7126

        • memory/2512-15-0x0000000000470000-0x0000000000476000-memory.dmp

          Filesize

          24KB

        • memory/2512-22-0x0000000000420000-0x0000000000426000-memory.dmp

          Filesize

          24KB

        • memory/2804-0-0x0000000000250000-0x0000000000256000-memory.dmp

          Filesize

          24KB

        • memory/2804-1-0x0000000000250000-0x0000000000256000-memory.dmp

          Filesize

          24KB

        • memory/2804-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB