Analysis

  • max time kernel
    148s
  • max time network
    148s
  • platform
    windows7_x64
  • resource
    win7-20240215-en
  • resource tags

    arch:x64arch:x86image:win7-20240215-enlocale:en-usos:windows7-x64system
  • submitted
    08-03-2024 19:37

General

  • Target

    2024-03-08_7f3329a952ab6285632941caec49a069_cryptolocker.exe

  • Size

    41KB

  • MD5

    7f3329a952ab6285632941caec49a069

  • SHA1

    93b01c66fbcf1defb9834d315fb61060b5633ebd

  • SHA256

    f0f1326f42c64fb7d69b6e226139e3be52b06d45e6bce206894977bfde77d274

  • SHA512

    70d64aa344226e1fc838b2ab776daec11bfc0e58e176980b7be6054225bb7fc6a956b28eeaf8dd5b897e72194d34247d931d13a38cd5e94ea3404e488d199605

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/CtXfNg:6j+1NMOtEvwDpjrR2XfNg

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\2024-03-08_7f3329a952ab6285632941caec49a069_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-03-08_7f3329a952ab6285632941caec49a069_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2264
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2892

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    42KB

    MD5

    963da1dd60e7d942a3d8a41e0ff8a539

    SHA1

    c56cd91403dae032142fbbb47168a79fdc040c89

    SHA256

    cfe86188ef4c6a00a1296a8867f5427c3f2181a19aacb475ad6b563efe7253f0

    SHA512

    82a0cf1f561326b59df5492f2fa0053c73a6d38c377c7fdd3e1852c9d2bf5545f2741e0481f25ec363143f93bc7efb32adb6ae6c1cfc8ec464f4d234ea3c8637

  • memory/2264-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2264-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2264-2-0x0000000000290000-0x0000000000296000-memory.dmp

    Filesize

    24KB

  • memory/2264-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2264-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2892-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2892-25-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB