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Analysis

  • max time kernel
    148s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    27/03/2024, 05:43

General

  • Target

    2024-03-27_b19ab53c9eae891c0cf528dae6b86b5e_cryptolocker.exe

  • Size

    63KB

  • MD5

    b19ab53c9eae891c0cf528dae6b86b5e

  • SHA1

    5a513b2a84f4c19fd53d7089d3df67b03cc5132e

  • SHA256

    690dbb9adfe55efaaa843807d58b3067f2f8da1ec331de00e2138e5182e6e96b

  • SHA512

    8d308a9162d048f56788346bc7520cb14751c1778aac8204b0d8dc5e967095106c8a2e32cafd4f98aac2d6f4aaf647d113588554fc578d508bd372a9f9a8565e

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEKI+:6j+1NMOtEvwDpjr8ox8UDEKF

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 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\2024-03-27_b19ab53c9eae891c0cf528dae6b86b5e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-27_b19ab53c9eae891c0cf528dae6b86b5e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2068
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2500

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    63KB

    MD5

    01d711d5abed9b842a6dc17eec20a857

    SHA1

    5614e51754d480e23152fe98ee13f27d518d285a

    SHA256

    7466d152d83dc06c91b419668dd451eea1ee90405ce96c7cd1045350ce96fca8

    SHA512

    b02117d504fa77254999e60cc5a20bf5563de44179fe7bf3d56a0148d22ff9969d4a3ff051ec9ebe9af76e192b11bc365019c21c464dbad743c0084e6b3e074d

  • memory/2068-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2068-1-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2068-3-0x0000000000490000-0x0000000000496000-memory.dmp

    Filesize

    24KB

  • memory/2068-2-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2068-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2068-16-0x0000000002480000-0x000000000248F000-memory.dmp

    Filesize

    60KB

  • memory/2068-27-0x0000000002480000-0x000000000248F000-memory.dmp

    Filesize

    60KB

  • memory/2500-18-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2500-21-0x0000000000360000-0x0000000000366000-memory.dmp

    Filesize

    24KB

  • memory/2500-28-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB