Analysis

  • max time kernel
    144s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/05/2024, 18:31

General

  • Target

    2024-05-27_5adecc2116a063d3ef4f55e3c640ded6_cryptolocker.exe

  • Size

    49KB

  • MD5

    5adecc2116a063d3ef4f55e3c640ded6

  • SHA1

    129171a9d9527276042e79b161c31411e263403e

  • SHA256

    696338272fdbcbab1d0a1c89c8a66f16725738bc49fd14fe34d8f8598c3c33ea

  • SHA512

    93ad77574e4b7123764d26cf06f27f37d08ddef791de430f673087d1ddabbffb01cc8e96b9a311aa7861d2b171f58af0c398f056a6297bc6257b89b27a8a1079

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsm0L:xj+VGMOtEvwDpjy+viHs7L

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 IoCs
  • Detection of Cryptolocker Samples 5 IoCs
  • Detects executables built or packed with MPress PE compressor 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\2024-05-27_5adecc2116a063d3ef4f55e3c640ded6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-27_5adecc2116a063d3ef4f55e3c640ded6_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2492
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2540

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          49KB

          MD5

          0e35a29607a9b848c82bb470fbe66fab

          SHA1

          cdc0438e430137dd2b5410ac57a14de669794e2f

          SHA256

          1b0a13bb00337efe5c3273d2e59fe8580910746aa8856bdf5c7a93f206489f53

          SHA512

          22e276be727c0bd256cf21631531b376d401ca1022afb855038fe046dc6eb21e674592e6dcd38b42e4473171e514fb18f9a2471c30abd372b21864bddd34cd0f

        • memory/2492-0-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/2492-1-0x0000000000380000-0x0000000000386000-memory.dmp

          Filesize

          24KB

        • memory/2492-2-0x00000000003B0000-0x00000000003B6000-memory.dmp

          Filesize

          24KB

        • memory/2492-8-0x0000000000380000-0x0000000000386000-memory.dmp

          Filesize

          24KB

        • memory/2492-13-0x0000000002480000-0x0000000002490000-memory.dmp

          Filesize

          64KB

        • memory/2492-16-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/2540-18-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2540-19-0x00000000002F0000-0x00000000002F6000-memory.dmp

          Filesize

          24KB

        • memory/2540-26-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB