Analysis

  • max time kernel
    143s
  • max time network
    148s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/08/2023, 11:00

General

  • Target

    8280d1ce9eff6df6827abd84e2959172_cryptolocker_JC.exe

  • Size

    80KB

  • MD5

    8280d1ce9eff6df6827abd84e2959172

  • SHA1

    aed185e7efe9330726ca0361c695b1d92743660f

  • SHA256

    9b60b05b628aa5a3652d4f99b459fc4cecb12d550b0aa3969817fee31ec80ced

  • SHA512

    c83b89725a431793bbf520b0c05c6d7c8339ad2105b5db228444f94378f6054fbb9ebac1b58f90e19519e0a413188a2623cedb49a71fa2d1156e32568ab7af18

  • SSDEEP

    768:xQz7yVEhs9+4uR1bytOOtEvwDpjWfbZ7uyA36S7MpxRXrZSUfFKaw2p:xj+VGMOtEvwDpjubwQEI8Utw+

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Modifies system certificate store 2 TTPs 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\8280d1ce9eff6df6827abd84e2959172_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\8280d1ce9eff6df6827abd84e2959172_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:3180
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      • Modifies system certificate store
      PID:8

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          80KB

          MD5

          9b9ba48c29c63f4f8b82152a17a464b8

          SHA1

          78146bb345c7fc2fb84d8f024c679001152cc1b2

          SHA256

          3100cbc24ee5ec7e0e5199ed22e388015dd465f9ceb06e3b3cb0f1f0dc693899

          SHA512

          0137ab935850ab585ed18e04a8bf898d286d74de16f32634a2e8bb76c75c1745178a8ec44a12ddd119edf91b9f9a22332506b14a7e5ebdead6207097ce85a689

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

          Filesize

          80KB

          MD5

          9b9ba48c29c63f4f8b82152a17a464b8

          SHA1

          78146bb345c7fc2fb84d8f024c679001152cc1b2

          SHA256

          3100cbc24ee5ec7e0e5199ed22e388015dd465f9ceb06e3b3cb0f1f0dc693899

          SHA512

          0137ab935850ab585ed18e04a8bf898d286d74de16f32634a2e8bb76c75c1745178a8ec44a12ddd119edf91b9f9a22332506b14a7e5ebdead6207097ce85a689

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

          Filesize

          80KB

          MD5

          9b9ba48c29c63f4f8b82152a17a464b8

          SHA1

          78146bb345c7fc2fb84d8f024c679001152cc1b2

          SHA256

          3100cbc24ee5ec7e0e5199ed22e388015dd465f9ceb06e3b3cb0f1f0dc693899

          SHA512

          0137ab935850ab585ed18e04a8bf898d286d74de16f32634a2e8bb76c75c1745178a8ec44a12ddd119edf91b9f9a22332506b14a7e5ebdead6207097ce85a689

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/8-152-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB

        • memory/8-153-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/8-181-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/3180-133-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB

        • memory/3180-134-0x00000000007B0000-0x00000000007B6000-memory.dmp

          Filesize

          24KB

        • memory/3180-135-0x00000000007B0000-0x00000000007B6000-memory.dmp

          Filesize

          24KB

        • memory/3180-136-0x00000000007D0000-0x00000000007D6000-memory.dmp

          Filesize

          24KB

        • memory/3180-150-0x0000000000500000-0x0000000000510000-memory.dmp

          Filesize

          64KB