Analysis

  • max time kernel
    131s
  • max time network
    165s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    12/01/2024, 06:07

General

  • Target

    2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe

  • Size

    38KB

  • MD5

    e87c677b038403c2844cb03fd1591ce2

  • SHA1

    6611abd095e17d1531488d2001b7aefe98b8ac95

  • SHA256

    2b1d9e0070a3130a56ccd7e226dbefb1f7a781d7621776f812ae850d1aafe2fc

  • SHA512

    efb90a0da5be28b74c2b89d2ebf2085ebc3751caacc4c6da60fc04a30becc982878e1d45a9c238f1b9b01baeb3d1a04846e37b0450f6e3afb88d0392dbb15280

  • SSDEEP

    768:bgX4zYcgTEu6QOaryfjqDDw3sCu5b+rc5c+:bgGYcA/53GADw8Clrcv

Score
7/10

Malware Config

Signatures

  • 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\2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-11_e87c677b038403c2844cb03fd1591ce2_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2012
    • C:\Users\Admin\AppData\Local\Temp\hasfj.exe
      "C:\Users\Admin\AppData\Local\Temp\hasfj.exe"
      2⤵
      • Executes dropped EXE
      PID:2608

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    39KB

    MD5

    0cac570bd4e2a432d8a2e3bd5cdcf3ae

    SHA1

    22e72347636a70f6e8385150f673cec6fb0bfa8e

    SHA256

    b4de2d603e68ffc54fa2f5f4ef06f5c3c638c87b0ae7bb08030217a7510e1aa3

    SHA512

    59061a392e5c55e188c41d464c6896cf68489503e2d00e78258fc70aeb4397d7638453fee32afba028d9e0b83f9996494c77721a57a0f540e497069c8bea0f69

  • memory/2012-0-0x0000000002900000-0x0000000002906000-memory.dmp

    Filesize

    24KB

  • memory/2012-1-0x0000000002920000-0x0000000002926000-memory.dmp

    Filesize

    24KB

  • memory/2012-8-0x0000000002900000-0x0000000002906000-memory.dmp

    Filesize

    24KB

  • memory/2608-16-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2608-15-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB