Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    09/05/2024, 19:36

General

  • Target

    2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe

  • Size

    62KB

  • MD5

    f9788ce397a59478e3884281c6007c71

  • SHA1

    15cf778880aa00c543300d987ec4d713f44ee10b

  • SHA256

    f30b7ba2b7a7fe6dd62808c879a7553e5047f1b39fd99e72ded2fc59928a5b4b

  • SHA512

    1ade06bdd20116d31bafb71bf5a4c576034d73f73444947623874971e6e053fd6323889546410a39115f2dc8abfddf517e83b59f5353fef2ddabb3fabeb463df

  • SSDEEP

    768:3Uz7yVEhs9+Hs1SQtOOtEvwDpjO9+4hdCY8EQMjpi/Wpi3B3URiLqCyLuAx8XG9h:3P+HsMQMOtEvwDpjoHy7B3g9CWuAxWY

Score
9/10

Malware Config

Signatures

  • Detection of CryptoLocker Variants 4 IoCs
  • Detection of Cryptolocker Samples 4 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\2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-05-09_f9788ce397a59478e3884281c6007c71_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2256
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2464

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          62KB

          MD5

          97c5aa7db90f50d4d77456197cf5d233

          SHA1

          01e6bf857950510a219bec8989563e4f4b973755

          SHA256

          5cc708504a5f24e2d379b1daecd54bdf6f4fcffc4ff561a0c69e9902a545507a

          SHA512

          1106607e56a66ad6766566493d8cde69c3a0939d044eae8df19acd7e65994ecb374f00989a2812f3c62ad55732fc87f9041d7a2a89efb298a9c960c54b051bd4

        • memory/2256-0-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2256-1-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2256-2-0x00000000002C0000-0x00000000002C6000-memory.dmp

          Filesize

          24KB

        • memory/2256-9-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2256-15-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2464-24-0x0000000000320000-0x0000000000326000-memory.dmp

          Filesize

          24KB

        • memory/2464-25-0x0000000000500000-0x000000000050B000-memory.dmp

          Filesize

          44KB

        • memory/2464-17-0x0000000000360000-0x0000000000366000-memory.dmp

          Filesize

          24KB