Analysis

  • max time kernel
    150s
  • max time network
    153s
  • platform
    windows7_x64
  • resource
    win7-20240419-en
  • resource tags

    arch:x64arch:x86image:win7-20240419-enlocale:en-usos:windows7-x64system
  • submitted
    31/05/2024, 22:26

General

  • Target

    2024-05-31_1ed7e4f9df235a2f98340c743eb31b3e_cryptolocker.exe

  • Size

    69KB

  • MD5

    1ed7e4f9df235a2f98340c743eb31b3e

  • SHA1

    93b377fc5d4e640c58160bba877d8a52fc10128e

  • SHA256

    e43ea98a64dd8a2da63c922062649834b7be8cbe9e912687671fb4bf7c4a3fcf

  • SHA512

    89d0f793e66b8545517fb56b7051c620f72a564a250f124e1230a99ef990c11689fb2d95500ef81783e3725b4fb564019f8dc0e36871bc998abcb6efcb224586

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUNsYD/d/:i5nkFGMOtEvwDpjNbwQEI8UZDV

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 6 IoCs
  • Detection of Cryptolocker Samples 3 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\2024-05-31_1ed7e4f9df235a2f98340c743eb31b3e_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-31_1ed7e4f9df235a2f98340c743eb31b3e_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1340
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2748

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          69KB

          MD5

          ecb8c60779a1484070ee4f38d5867d66

          SHA1

          ff4155c4b4965374a4c1d685f82ee7a85aea419c

          SHA256

          6573c4c48c1f558ce18de01d207969317e40a0995b2451491dd3153fbc8f7894

          SHA512

          6c4775d4bc3ec7704b733f6af83d99d7a5c18bb37871d416baa93f87ae8266c516c197de0298974c066ac507818079ae64c1a42dba597e0e924460a1876ab888

        • memory/1340-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1340-1-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/1340-9-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/1340-2-0x0000000000300000-0x0000000000306000-memory.dmp

          Filesize

          24KB

        • memory/1340-13-0x0000000002A80000-0x0000000002A8F000-memory.dmp

          Filesize

          60KB

        • memory/1340-17-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2748-18-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2748-27-0x0000000000250000-0x0000000000256000-memory.dmp

          Filesize

          24KB

        • memory/2748-20-0x0000000000290000-0x0000000000296000-memory.dmp

          Filesize

          24KB

        • memory/2748-28-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB