Analysis

  • max time kernel
    137s
  • max time network
    143s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/08/2023, 15:06

General

  • Target

    9595c93a7624e75b893d0695c699061f_cryptolocker_JC.exe

  • Size

    35KB

  • MD5

    9595c93a7624e75b893d0695c699061f

  • SHA1

    997792f9ed738a3dff201212708d1b7e1cc3c513

  • SHA256

    232a0aa203e1663b2a832937e458572213ae3c62fb61078701f27b9ebed841db

  • SHA512

    d89e464b0323fdd9dda98b8fd9aa84cafbae9f68cd1a65f7dc6d46d359d64d617c0ba317e94ab3d49b62af78a395976f094b00d6deb6f7dd40efb60eff8855c2

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL+c:vj+jsMQMOtEvwDpj5Ha

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\9595c93a7624e75b893d0695c699061f_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\9595c93a7624e75b893d0695c699061f_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4884
    • 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:2932

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    35KB

    MD5

    49e5a2e100337f26c7053b33d0e72ae8

    SHA1

    241663cf7ed204ec43a308fb19568e1cea95448d

    SHA256

    165d7cbd82b8e04fb21908dd6af65c7b571d255807065b4e1dc6fa126add8ed3

    SHA512

    d2415e41e9fc311e2e248d94e5135bb7c6d87044d90bd0056b07eb798a09a12ba4d1ac57512d1ec0f32f34d81805bf22c99fa698d3e0910267bf0121e3c2fe87

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

    Filesize

    35KB

    MD5

    49e5a2e100337f26c7053b33d0e72ae8

    SHA1

    241663cf7ed204ec43a308fb19568e1cea95448d

    SHA256

    165d7cbd82b8e04fb21908dd6af65c7b571d255807065b4e1dc6fa126add8ed3

    SHA512

    d2415e41e9fc311e2e248d94e5135bb7c6d87044d90bd0056b07eb798a09a12ba4d1ac57512d1ec0f32f34d81805bf22c99fa698d3e0910267bf0121e3c2fe87

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

    Filesize

    35KB

    MD5

    49e5a2e100337f26c7053b33d0e72ae8

    SHA1

    241663cf7ed204ec43a308fb19568e1cea95448d

    SHA256

    165d7cbd82b8e04fb21908dd6af65c7b571d255807065b4e1dc6fa126add8ed3

    SHA512

    d2415e41e9fc311e2e248d94e5135bb7c6d87044d90bd0056b07eb798a09a12ba4d1ac57512d1ec0f32f34d81805bf22c99fa698d3e0910267bf0121e3c2fe87

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2932-151-0x00000000005E0000-0x00000000005E6000-memory.dmp

    Filesize

    24KB

  • memory/2932-150-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/4884-133-0x0000000002320000-0x0000000002326000-memory.dmp

    Filesize

    24KB

  • memory/4884-134-0x0000000002320000-0x0000000002326000-memory.dmp

    Filesize

    24KB

  • memory/4884-135-0x0000000002190000-0x0000000002196000-memory.dmp

    Filesize

    24KB