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Analysis

  • max time kernel
    144s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240508-en
  • resource tags

    arch:x64arch:x86image:win7-20240508-enlocale:en-usos:windows7-x64system
  • submitted
    12/06/2024, 03:36

General

  • Target

    2024-06-12_5ab4ccd71153640b45aa19fb4b2eea8e_cryptolocker.exe

  • Size

    48KB

  • MD5

    5ab4ccd71153640b45aa19fb4b2eea8e

  • SHA1

    0aafbf8f6413aba6b88979bf7b561930f5c5240f

  • SHA256

    47b6781d5060c752d4e9494f67586e8f23a5242c9159455e18d13a4aefcb8f60

  • SHA512

    9561e945214364f7c9e5e4163c74b89ca70feb78be54b85c4678436200c396305712cc3c9d95cd4a4930d90901c916036588fee9d09d3b0c80ffff1273455544

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9Rva/yYsmk:xj+VGMOtEvwDpjy+viHsx

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\2024-06-12_5ab4ccd71153640b45aa19fb4b2eea8e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-06-12_5ab4ccd71153640b45aa19fb4b2eea8e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2136
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2944

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    1acd9ac3101bbac47339e6de1f7f12bc

    SHA1

    3d22c957f7c738fa16a8f4dc4f761ed0571a3b7d

    SHA256

    8207f59c110f459d37bc324cf83d4b8d05ef6fca4ac7ae8506853e5389217afd

    SHA512

    c2b1264d973fca86bd52db2135af97f57c13cfe8e232ad5a3090b05f04de257d4460231591530534c295a62c22dbcd2590714bdbc91fef8ec84e23d83510a1df

  • memory/2136-1-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2136-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2136-2-0x00000000003F0000-0x00000000003F6000-memory.dmp

    Filesize

    24KB

  • memory/2136-9-0x00000000001C0000-0x00000000001C6000-memory.dmp

    Filesize

    24KB

  • memory/2136-14-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2944-16-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2944-18-0x0000000000350000-0x0000000000356000-memory.dmp

    Filesize

    24KB

  • memory/2944-25-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2944-26-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB