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Analysis

  • max time kernel
    154s
  • max time network
    162s
  • platform
    windows7_x64
  • resource
    win7-20240319-en
  • resource tags

    arch:x64arch:x86image:win7-20240319-enlocale:en-usos:windows7-x64system
  • submitted
    10/04/2024, 20:26

General

  • Target

    2024-04-10_4c0248a768b89b2a91cd7581271329f5_cryptolocker.exe

  • Size

    64KB

  • MD5

    4c0248a768b89b2a91cd7581271329f5

  • SHA1

    224c13ff133c79385643852172dceb3e4ae5bb88

  • SHA256

    479b382a345f0e2e28d590629717f50dc27937a38f76b6565c7a13e0a844d09e

  • SHA512

    6b94c05fb6aa98b5dec29ab7067effe73a07947ee63608f12a89b9f380e59d06ad144dc8f3615f884f082eceb3b933ff48bae9e8fc2d9e64c8b6cac36d53da69

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5I52kGEO10Km9tMe:6j+1NMOtEvwDpjr8ox8UDEy0Kmj

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\2024-04-10_4c0248a768b89b2a91cd7581271329f5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-04-10_4c0248a768b89b2a91cd7581271329f5_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2200
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2028

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    65KB

    MD5

    60b5ab3f5a135854dde2ee966ccb73dd

    SHA1

    5f2a8e3fc978b0184389a76335acf885796eba92

    SHA256

    97f9f18de299ab23d701236436cf4a7ba0003e893f78792102314795175b7aad

    SHA512

    49990f654f64e279d2dfa127bc6b834991847ccad16e1bae861a47e17c9bde85bc30c55f34970e3dd0cec54ad362a52052e4728ea1629a71a95fedaba90afffa

  • memory/2028-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2028-18-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/2028-25-0x0000000000250000-0x0000000000256000-memory.dmp

    Filesize

    24KB

  • memory/2028-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2200-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2200-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2200-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

    Filesize

    24KB

  • memory/2200-3-0x00000000002F0000-0x00000000002F6000-memory.dmp

    Filesize

    24KB

  • memory/2200-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB