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Analysis

  • max time kernel
    160s
  • max time network
    174s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10/03/2024, 01:45

General

  • Target

    2024-03-10_48b043f5e822bec06cac1f7e94d10fb6_cryptolocker.exe

  • Size

    40KB

  • MD5

    48b043f5e822bec06cac1f7e94d10fb6

  • SHA1

    c2afe62bb81b6cf97811ddb26660f4faaee5d6b3

  • SHA256

    e0f2f3ff66adea72666265115f26d1b40b4d12ebf2d89220fcf2ee91d617ba2a

  • SHA512

    f92039e733525df3b80fb98cb99548c9247ca4cca05188d9a6bf616f2f547beee27a55b722e198ce4e1b1afe59597dc3263ac105fc0ddf9df0b1d6b495240b94

  • SSDEEP

    768:TS5nQJ24LR7tOOtEvwDpjGqPhqlcnvhx5/xFRnw:m5nkFNMOtEvwDpjG8hhXO

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 7 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\2024-03-10_48b043f5e822bec06cac1f7e94d10fb6_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-10_48b043f5e822bec06cac1f7e94d10fb6_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2788
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2680

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    41KB

    MD5

    8d6121615e79a9657c12b8abfc734687

    SHA1

    3f47492e72249cc49ec58bb22afb3b22e92c95fd

    SHA256

    c2b325b6758941362c9f0f60b0a118b7880bffc7ba5e6c9a5cc886dd51b03a8e

    SHA512

    20c0b0bada3428420518b42aa413aef454c053abb96cc3ce391e70456f9bbba86e4ec6814fc43f8525af5519e7b10be0b2a8a5f284fae65b7fcfab77f83d50bb

  • memory/2680-19-0x00000000003A0000-0x00000000003A6000-memory.dmp

    Filesize

    24KB

  • memory/2680-17-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2680-21-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB

  • memory/2680-27-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2788-1-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2788-0-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2788-2-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2788-3-0x0000000000430000-0x0000000000436000-memory.dmp

    Filesize

    24KB

  • memory/2788-14-0x0000000000500000-0x000000000050E000-memory.dmp

    Filesize

    56KB

  • memory/2788-16-0x00000000023C0000-0x00000000023CE000-memory.dmp

    Filesize

    56KB

  • memory/2788-29-0x00000000023C0000-0x00000000023CE000-memory.dmp

    Filesize

    56KB