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Analysis

  • max time kernel
    135s
  • max time network
    163s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

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

General

  • Target

    2024-01-06_25ed969cb0face17ad7dca1c862946a3_cryptolocker.exe

  • Size

    60KB

  • MD5

    25ed969cb0face17ad7dca1c862946a3

  • SHA1

    d1b1a8e5a439bf3ab29d3fda901c711ecb288a31

  • SHA256

    7ea049392ae6c24171c4b704388f75832eed01bd8151e0b7f7f9aafdd067ea2e

  • SHA512

    138989a36ecb1ae90495fa08fdd059959a99a81224271835377de10a5ed91addf9f1e71541529afba22b020ef978916e3fc2a9849594e836509173393e289781

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGElUAf:6j+1NMOtEvwDpjr8ox8UDElbf

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\2024-01-06_25ed969cb0face17ad7dca1c862946a3_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-06_25ed969cb0face17ad7dca1c862946a3_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2036
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:624

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    60KB

    MD5

    157e1e24abb6ef1ec67ddf4f52d6a03b

    SHA1

    8fafec499474b3f871a4ab271f2c93290faf8443

    SHA256

    36db1561d65c8a33a455f724b395a8eebca014ecbb292d024d2cc006e9b92a72

    SHA512

    60534a7a7488391900b81f639e944ad14d0dca4a06daf04342538c1b1f86ec97f00d5686546f6d2c8565cf9049ae2b194cbe3a14d587be24cb8d6452b38b832d

  • memory/624-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/624-18-0x0000000000300000-0x0000000000306000-memory.dmp

    Filesize

    24KB

  • memory/624-20-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/624-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2036-1-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2036-0-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2036-3-0x00000000002B0000-0x00000000002B6000-memory.dmp

    Filesize

    24KB

  • memory/2036-2-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB

  • memory/2036-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB