Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 02:35

General

  • Target

    2024-05-22_5e95cee1d1c60403802260565f01e5e1_cryptolocker.exe

  • Size

    70KB

  • MD5

    5e95cee1d1c60403802260565f01e5e1

  • SHA1

    09b98d9781e22d8d167d95cd537ffdf73fb982a2

  • SHA256

    117e1ff2ebff6665bf5012bcbabb0e3a92d705b9f163146b01314623887ff3b3

  • SHA512

    8dc6181d5cd818f292d0a70a44f361e3341da6873f07f9dc287bf08443a9ed780969d3f25020848d891ac302bbc933aa15baa248777be497615b4fe0a572a035

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4ZPsED3VK2+ZtyOjgO4r9vFAg2rq2g1B/R+:vj+jsMQMOtEvwDpj5HZYTjipvF24G

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 1 IoCs
  • Detection of Cryptolocker Samples 1 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\2024-05-22_5e95cee1d1c60403802260565f01e5e1_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-22_5e95cee1d1c60403802260565f01e5e1_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2000
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:3024

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    71KB

    MD5

    c5379cbabe0e0859502fef6f5779c29d

    SHA1

    2ac58ba22f962c652508242fbf52b1f1ce4fe2a5

    SHA256

    638fbd8cc99ccf6d1633bc6c792eeba290bc542afacb203e56aa2308a740c647

    SHA512

    e343db5af33dd8b7d0e124ca6f93f0e652aa6fcbc54b2817374439f662af0f2d2342a239ce35fbd90a2e72e705f7ab359ad1de02f0890abf8a0395e67b9d60b6

  • memory/2000-1-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/2000-0-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2000-8-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/3024-15-0x0000000000480000-0x0000000000486000-memory.dmp

    Filesize

    24KB

  • memory/3024-22-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB