Analysis

  • max time kernel
    134s
  • max time network
    139s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/08/2023, 10:36

General

  • Target

    6a02180ef479dbecbc31e902b908e005_cryptolocker_JC.exe

  • Size

    36KB

  • MD5

    6a02180ef479dbecbc31e902b908e005

  • SHA1

    cbb05ff51e0a9b3635151c69911a44ebf527915b

  • SHA256

    8c48ca864421be1b5d2782cb7d86b54e5cf27ef1e6ed413e3160f4f8dc230223

  • SHA512

    07dea6fc7e2a51298a3c2c9b45c0053e969e06e5cd81601a1b45ef76697fb87156ad0ded67c3e624e47f1eef66cf0221991d24f529bcf8a52eaf0f1449d37d92

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4REL3hrMVPQ:vj+jsMQMOtEvwDpj5H+M1Q

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\6a02180ef479dbecbc31e902b908e005_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\6a02180ef479dbecbc31e902b908e005_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:4476
    • 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:2008

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    36KB

    MD5

    87ae35d51c00e1ccbde4e0c9536cbcdd

    SHA1

    e5c5b004313766e30254d09e2feb917444b319d1

    SHA256

    6f45e45dd33ea2b403a8e9f670c1074f8e176571a8c261d584ff96a5a9d51560

    SHA512

    2e544a6cfcb73ed2d8de2c3ba576f89b6722a514db1e424dd255069d615e921dd8569aee1e2e82f65d0a5e4c2c69007cd78cb4e9765bb13b95e2bc4ba5498de8

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

    Filesize

    36KB

    MD5

    87ae35d51c00e1ccbde4e0c9536cbcdd

    SHA1

    e5c5b004313766e30254d09e2feb917444b319d1

    SHA256

    6f45e45dd33ea2b403a8e9f670c1074f8e176571a8c261d584ff96a5a9d51560

    SHA512

    2e544a6cfcb73ed2d8de2c3ba576f89b6722a514db1e424dd255069d615e921dd8569aee1e2e82f65d0a5e4c2c69007cd78cb4e9765bb13b95e2bc4ba5498de8

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

    Filesize

    36KB

    MD5

    87ae35d51c00e1ccbde4e0c9536cbcdd

    SHA1

    e5c5b004313766e30254d09e2feb917444b319d1

    SHA256

    6f45e45dd33ea2b403a8e9f670c1074f8e176571a8c261d584ff96a5a9d51560

    SHA512

    2e544a6cfcb73ed2d8de2c3ba576f89b6722a514db1e424dd255069d615e921dd8569aee1e2e82f65d0a5e4c2c69007cd78cb4e9765bb13b95e2bc4ba5498de8

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/2008-150-0x00000000005B0000-0x00000000005B6000-memory.dmp

    Filesize

    24KB

  • memory/2008-151-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/4476-133-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/4476-134-0x00000000007F0000-0x00000000007F6000-memory.dmp

    Filesize

    24KB

  • memory/4476-135-0x0000000000810000-0x0000000000816000-memory.dmp

    Filesize

    24KB