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Analysis

  • max time kernel
    148s
  • max time network
    149s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    28/03/2024, 06:52

General

  • Target

    2024-03-28_c6d0e221b1fc233399613c65c202fdc5_cryptolocker.exe

  • Size

    55KB

  • MD5

    c6d0e221b1fc233399613c65c202fdc5

  • SHA1

    6623cd79c3d89d55df3637fd48d7b61a2c58cf34

  • SHA256

    5763c84371b61031f5a8fcce44a8d5b935680341f9dbd7a8308ef413a42d1c2e

  • SHA512

    5231bdf73f47fdea927596d4419e54ab5a4bc07dc43d87565b700499a3556b277b794d04461cec024e7906b0c157805dca61cfc9bdee3558b1c7e982b28d790c

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbP/MMt:xj+VGMOtEvwDpjubXMMt

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\2024-03-28_c6d0e221b1fc233399613c65c202fdc5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-28_c6d0e221b1fc233399613c65c202fdc5_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2208
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2124

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    55KB

    MD5

    a16a6bbd2f33f1b91986e881f015c230

    SHA1

    7164a94f465cd7888fb6d94920cebb9d34c896ff

    SHA256

    92f8de6ed0c46a6ed3bf1529a4e7a3bc0a395730e069beecdd08c928337d485a

    SHA512

    a8f57c52b5de6a0efe21ea2dba1b8efa2f59a8c9abd8ea2de81a1b1eb32806aeebbd036f2696ddd0ce0d7157a69954ba1a2115dbb4b369ec620ac1c1ee7cd524

  • memory/2124-17-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2124-19-0x0000000000340000-0x0000000000346000-memory.dmp

    Filesize

    24KB

  • memory/2124-20-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2124-27-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2208-0-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2208-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2208-2-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/2208-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/2208-15-0x0000000000500000-0x0000000000510000-memory.dmp

    Filesize

    64KB

  • memory/2208-14-0x00000000021E0000-0x00000000021F0000-memory.dmp

    Filesize

    64KB