Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240709-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240709-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09-07-2024 20:22

General

  • Target

    2024-07-09_47b1e786d29ff9302166dbb22439cb21_cryptolocker.exe

  • Size

    50KB

  • MD5

    47b1e786d29ff9302166dbb22439cb21

  • SHA1

    be339f3ff4521db72f55b5dce27d1f733a4e4426

  • SHA256

    ff70a07217ac2544fb8093dc593fe85e68230e465fd0de8d497963f6bbf60c73

  • SHA512

    ac5471ef68db5e527f6d19256529feb107e753c4f6b9da1d0e2c55e820fa9f072d32656b4328726e31949452300e480deb6bc9259ec599e69a072576b45904be

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nU:vj+jsMQMOtEvwDpj5HczerLO04B/

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 2 IoCs

    Looks up country code configured in the registry, likely geofence.

  • 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 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-07-09_47b1e786d29ff9302166dbb22439cb21_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-07-09_47b1e786d29ff9302166dbb22439cb21_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:4276
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • Modifies system certificate store
      PID:4016

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    50KB

    MD5

    6a52f87b2f9ea45c5ac7b80bd2564f4b

    SHA1

    e4300334a2e0716fc59a008d38487074be214a53

    SHA256

    657d11e34c24e65772945d1612650b5b33af6bab4dcb85bd2a2551d87b6ebc10

    SHA512

    e276685718e4998173a47ffa8534eec62b4c7769fa97d87f92cb2cdc4a99fb24aa7aa5badda29ccd5f6b8494b2703cec0fb9a0999b2e2ae0007f9f6fcf4a52d7

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4016-17-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB

  • memory/4016-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4276-0-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/4276-1-0x00000000006E0000-0x00000000006E6000-memory.dmp

    Filesize

    24KB

  • memory/4276-2-0x00000000021C0000-0x00000000021C6000-memory.dmp

    Filesize

    24KB