Analysis

  • max time kernel
    143s
  • max time network
    151s
  • 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 17:47

General

  • Target

    8e873fc4e0333cd7d7a4082e66f61125_cryptolocker_JC.exe

  • Size

    74KB

  • MD5

    8e873fc4e0333cd7d7a4082e66f61125

  • SHA1

    1f26476e185634472004e146c70433d17e287c1c

  • SHA256

    48bcbc0bf946965fe9ac2e8febde594efc3b61dc64f27c9fc7f059e25cc645bd

  • SHA512

    d1d0d29e769739833797e07cf25abd6bfcb792a0ad85e89631749f63587fd74acb99d9a88f47ace5b9b9c8208bc7693ef6853235af91f82864006b29bbe4e6ae

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4wYPsED3VK2+ZtyOjgO4r9vFAg2rqk63Ygb:vj+jsMQMOtEvwDpj5HwYYTjipvF2hBf+

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\8e873fc4e0333cd7d7a4082e66f61125_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\8e873fc4e0333cd7d7a4082e66f61125_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1116
    • 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:1964

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    74KB

    MD5

    3a1dbc47bf9903374ec90160a514670e

    SHA1

    8cad8f9aa2ad356ae5371aaa0adf366262aafd02

    SHA256

    f794f26f4d3c06cedaa25b37cf9b170db0c187f71d8a9f2d037918a5d4bef63d

    SHA512

    c9bce73cedfdc6048d019affaaa6e716c585ccaed18afe87a0baa5de6fa9529e532208639a3f4822e7a43c837875ac44e82fa754d80a595bdb045a0a2433aac1

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

    Filesize

    74KB

    MD5

    3a1dbc47bf9903374ec90160a514670e

    SHA1

    8cad8f9aa2ad356ae5371aaa0adf366262aafd02

    SHA256

    f794f26f4d3c06cedaa25b37cf9b170db0c187f71d8a9f2d037918a5d4bef63d

    SHA512

    c9bce73cedfdc6048d019affaaa6e716c585ccaed18afe87a0baa5de6fa9529e532208639a3f4822e7a43c837875ac44e82fa754d80a595bdb045a0a2433aac1

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

    Filesize

    74KB

    MD5

    3a1dbc47bf9903374ec90160a514670e

    SHA1

    8cad8f9aa2ad356ae5371aaa0adf366262aafd02

    SHA256

    f794f26f4d3c06cedaa25b37cf9b170db0c187f71d8a9f2d037918a5d4bef63d

    SHA512

    c9bce73cedfdc6048d019affaaa6e716c585ccaed18afe87a0baa5de6fa9529e532208639a3f4822e7a43c837875ac44e82fa754d80a595bdb045a0a2433aac1

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1116-133-0x0000000000770000-0x0000000000776000-memory.dmp

    Filesize

    24KB

  • memory/1116-134-0x0000000000770000-0x0000000000776000-memory.dmp

    Filesize

    24KB

  • memory/1116-135-0x0000000002230000-0x0000000002236000-memory.dmp

    Filesize

    24KB

  • memory/1964-150-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/1964-151-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB