Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-10-2024 08:31

General

  • Target

    2024-10-05_862dd068f734833e0dc0a7686d3d52fd_cryptolocker.exe

  • Size

    53KB

  • MD5

    862dd068f734833e0dc0a7686d3d52fd

  • SHA1

    8aaae1607627c7fd029c4ccdb2c96a2d85523358

  • SHA256

    c4cc198380137b816c742f4b25d77dfd4da81c27c1a4ee3d5aae7ece6a225ae0

  • SHA512

    595a2e713382080843e777719a716ad03aeb2406f6ce2a478ee153209e1b224ed8ef5dbf71543ede211f31eb2fa722af36378d7353fd60ddf671a34d6efc1121

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0ntbcl:vj+jsMQMOtEvwDpj5HczerLO04BGcl

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).

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies system certificate store 2 TTPs 6 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-05_862dd068f734833e0dc0a7686d3d52fd_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-05_862dd068f734833e0dc0a7686d3d52fd_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4728
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Checks computer location settings
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      • Modifies system certificate store
      PID:2328

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    53KB

    MD5

    e3b35555e289a577038362e7a3602f7d

    SHA1

    7c371e4d32b28fda357cb8f8174cefa8dfa1b7f5

    SHA256

    0c1a59011b45c04fc392fea8748a57e11198e52e7299821b87c7a723995f1df1

    SHA512

    2563731aa98cd43545ca41a623520b65dcb2c7551a4155a4304b64a4e5ed1df35d30a32757ff93be54eefcf126ba1bbcdb74bb34097a10ddb167a62b0ce68065

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

    Filesize

    315B

    MD5

    a34ac19f4afae63adc5d2f7bc970c07f

    SHA1

    a82190fc530c265aa40a045c21770d967f4767b8

    SHA256

    d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

    SHA512

    42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

  • memory/4728-0-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4728-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

    Filesize

    24KB

  • memory/4728-2-0x00000000004F0000-0x00000000004F6000-memory.dmp

    Filesize

    24KB