Analysis

  • max time kernel
    150s
  • max time network
    152s
  • platform
    windows7_x64
  • resource
    win7-20231215-en
  • resource tags

    arch:x64arch:x86image:win7-20231215-enlocale:en-usos:windows7-x64system
  • submitted
    27/01/2024, 07:22

General

  • Target

    2024-01-27_0cb8ebd1eb7399f6b84922baf0322765_cryptolocker.exe

  • Size

    62KB

  • MD5

    0cb8ebd1eb7399f6b84922baf0322765

  • SHA1

    e880be8f6460795a326e8aa1aaa3eb4dc7eeb5f2

  • SHA256

    96f856f4f92cded43f8d27003b39816bdfe9281254d4296a5e85d1a26ebdc42f

  • SHA512

    48478a2d21974f13038b1081fa38f01060c174efa4bf563098f6c92238ad20570ec58510c300b51058be8a47be4ae4e3ea78b467074e81f47bba70b5ceecedb6

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEO10Km2:6j+1NMOtEvwDpjr8ox8UDEy0Km2

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 5 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\2024-01-27_0cb8ebd1eb7399f6b84922baf0322765_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-01-27_0cb8ebd1eb7399f6b84922baf0322765_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1640
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2552

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    62KB

    MD5

    501ae87929f6776ad36c751ac68d1abf

    SHA1

    ae4adabc268fd001ae16679b77711ec23df50c88

    SHA256

    8d17135200347472e2808dc48b1d44c5aeb9a6a6dbc22e28586b4e1ea19fcb92

    SHA512

    10c35ebe1aa558e4922886ef29682d360e3afd3a9f5e3682530234d14e0c7d228ddab8b46bd464177d9fd2900ed46f708295b574b0a973291beb459ce03136e2

  • memory/1640-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/1640-1-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1640-2-0x0000000000270000-0x0000000000276000-memory.dmp

    Filesize

    24KB

  • memory/1640-9-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1640-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2552-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2552-18-0x0000000000470000-0x0000000000476000-memory.dmp

    Filesize

    24KB

  • memory/2552-25-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB