Analysis

  • max time kernel
    150s
  • max time network
    155s
  • platform
    windows7_x64
  • resource
    win7-20230712-en
  • resource tags

    arch:x64arch:x86image:win7-20230712-enlocale:en-usos:windows7-x64system
  • submitted
    04/08/2023, 17:56

General

  • Target

    65c5d89084e8674e978d436c92defbd6_cryptolocker_JC.exe

  • Size

    101KB

  • MD5

    65c5d89084e8674e978d436c92defbd6

  • SHA1

    989a8834666fcf686adf0a4018c5a304c8d2e4e3

  • SHA256

    f5e210621f0acbe26bd2f351223ad17c658d636b1c219c25bbf13767880fe848

  • SHA512

    49be2fe0d5552f9ee824fd2e8975812d3dad4e386e9ff9477ee44c6c399c0050a9d71df7339767b7d16ac33071b463eabe357058cb018d91b19edd183cbbc1ee

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRiWCCy9TaoRK3Q:xj+VGMOtEvwDpjubwQEIiePoRp

Score
7/10

Malware Config

Signatures

  • 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\65c5d89084e8674e978d436c92defbd6_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\65c5d89084e8674e978d436c92defbd6_cryptolocker_JC.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:1784
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:1724

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          101KB

          MD5

          e45fef85bd8bdcadd0b48eefee9272a0

          SHA1

          481395940fa93a6427d520eedace6e03f4e2859d

          SHA256

          f02211c9549f3aa6a4e50de4598463e9b4b5696d51e4a1e7ff5975942b920a72

          SHA512

          56e0fc480670e3a3240307a6bd8455fc836023780bee4c4c85fba87a6e40b3b7b56d5241a41b3c0ac2fc094b3948894cc6d39e61a729d867c4a931cc9f28d37d

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

          Filesize

          101KB

          MD5

          e45fef85bd8bdcadd0b48eefee9272a0

          SHA1

          481395940fa93a6427d520eedace6e03f4e2859d

          SHA256

          f02211c9549f3aa6a4e50de4598463e9b4b5696d51e4a1e7ff5975942b920a72

          SHA512

          56e0fc480670e3a3240307a6bd8455fc836023780bee4c4c85fba87a6e40b3b7b56d5241a41b3c0ac2fc094b3948894cc6d39e61a729d867c4a931cc9f28d37d

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

          Filesize

          101KB

          MD5

          e45fef85bd8bdcadd0b48eefee9272a0

          SHA1

          481395940fa93a6427d520eedace6e03f4e2859d

          SHA256

          f02211c9549f3aa6a4e50de4598463e9b4b5696d51e4a1e7ff5975942b920a72

          SHA512

          56e0fc480670e3a3240307a6bd8455fc836023780bee4c4c85fba87a6e40b3b7b56d5241a41b3c0ac2fc094b3948894cc6d39e61a729d867c4a931cc9f28d37d

        • memory/1724-70-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/1724-79-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/1784-54-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/1784-55-0x00000000001C0000-0x00000000001C6000-memory.dmp

          Filesize

          24KB

        • memory/1784-56-0x00000000001C0000-0x00000000001C6000-memory.dmp

          Filesize

          24KB

        • memory/1784-57-0x00000000003E0000-0x00000000003E6000-memory.dmp

          Filesize

          24KB

        • memory/1784-69-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB