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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20231129-en
  • resource tags

    arch:x64arch:x86image:win7-20231129-enlocale:en-usos:windows7-x64system
  • submitted
    16/04/2024, 04:38

General

  • Target

    2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe

  • Size

    48KB

  • MD5

    3c3136149667fde60ed0c51da91b12de

  • SHA1

    ee99b6c8bc1722f10f893f23e90620a297c5e903

  • SHA256

    49fcfa897454898a1299c085a3b36e1398f4cadfbe52322db4e203a4041d29c5

  • SHA512

    b8dadd66f8ead1cf74aa14fe2a1792c04b55f2cf3aa52dee4ddb921dd427a6fe89ed2e1de307a378c61775790a8851988da608f2082d3402218b5d3885c42d9a

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWE6BLbjG9RzhwaN4NOn:xj+VGMOtEvwDpjy+TN4g

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\2024-04-16_3c3136149667fde60ed0c51da91b12de_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-16_3c3136149667fde60ed0c51da91b12de_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:3052

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    95f2c0040259b19f34026d166e4c491f

    SHA1

    662deef4860baa8fae7317c42901f18109ad9be6

    SHA256

    4ee50839246ea66663a1fe1d001215331049ba9e6264cb25fb2484b1f0051d74

    SHA512

    7f4f9851a94c8d67bb38a35823d9bbaf5e0d9d74b8443410c559ed0094140c1ab5c86a4d030848662830e8d4a6d22792743311cb5f2aad520ccc41604bf39acb

  • memory/2136-1-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2136-0-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2136-2-0x0000000000460000-0x0000000000466000-memory.dmp

    Filesize

    24KB

  • memory/2136-9-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2136-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2136-13-0x0000000002880000-0x0000000002890000-memory.dmp

    Filesize

    64KB

  • memory/3052-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/3052-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

    Filesize

    24KB

  • memory/3052-22-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/3052-27-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB