Analysis

  • max time kernel
    142s
  • max time network
    131s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230703-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230703-enlocale:en-usos:windows10-2004-x64system
  • submitted
    01/08/2023, 18:03

General

  • Target

    368d42c442feba996eb1c4cf2034acb5_cryptolocker_JC.exe

  • Size

    41KB

  • MD5

    368d42c442feba996eb1c4cf2034acb5

  • SHA1

    c81eb79dae0c1bae432fb28e5347751d2027080d

  • SHA256

    209f40015c258b33606045081ac6d2915ca673cb58eeed443783721df8b75ddc

  • SHA512

    a5f3bcb3847bd9532caa3224cb237eaa4e739f25514850729e7cd7b2e5b18543290d814489f56b5d6328b3a31cabeacc0a3bd585ac869da818eea5932c3ddac2

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrjW:vj+jsMQMOtEvwDpj5HczerK

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\368d42c442feba996eb1c4cf2034acb5_cryptolocker_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\368d42c442feba996eb1c4cf2034acb5_cryptolocker_JC.exe"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:1820
    • 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:3700

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    42KB

    MD5

    d67d006b97abce83dd1483f33b9aaf60

    SHA1

    59ee601d217b76c51a7e0c449acecbcf34da2b4c

    SHA256

    79e2840d2369cd64a416041b734b073fcae3aff3cc5d4f04df11e6dcbdfc17df

    SHA512

    756bcb57ab7f6d0157a232e3515506eea624523b759ad35b030807d1a865ea953e864c07bede43c3aae70fa81e652f624636e52f57b8c075b6c05f33cd4db605

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

    Filesize

    42KB

    MD5

    d67d006b97abce83dd1483f33b9aaf60

    SHA1

    59ee601d217b76c51a7e0c449acecbcf34da2b4c

    SHA256

    79e2840d2369cd64a416041b734b073fcae3aff3cc5d4f04df11e6dcbdfc17df

    SHA512

    756bcb57ab7f6d0157a232e3515506eea624523b759ad35b030807d1a865ea953e864c07bede43c3aae70fa81e652f624636e52f57b8c075b6c05f33cd4db605

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

    Filesize

    42KB

    MD5

    d67d006b97abce83dd1483f33b9aaf60

    SHA1

    59ee601d217b76c51a7e0c449acecbcf34da2b4c

    SHA256

    79e2840d2369cd64a416041b734b073fcae3aff3cc5d4f04df11e6dcbdfc17df

    SHA512

    756bcb57ab7f6d0157a232e3515506eea624523b759ad35b030807d1a865ea953e864c07bede43c3aae70fa81e652f624636e52f57b8c075b6c05f33cd4db605

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/1820-133-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/1820-134-0x0000000000520000-0x0000000000526000-memory.dmp

    Filesize

    24KB

  • memory/1820-135-0x0000000002240000-0x0000000002246000-memory.dmp

    Filesize

    24KB

  • memory/3700-150-0x0000000002070000-0x0000000002076000-memory.dmp

    Filesize

    24KB

  • memory/3700-151-0x0000000002050000-0x0000000002056000-memory.dmp

    Filesize

    24KB