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Analysis

  • max time kernel
    148s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    12/09/2024, 02:34

General

  • Target

    2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe

  • Size

    48KB

  • MD5

    3c3161ab5e3c0c71051e6180c690ceda

  • SHA1

    b01290f7cf4965ef74e58c3a82359393d37f7196

  • SHA256

    3b3ae41a54d196a887e7baf5e61661b59dd412571ff4ce08da44e880182876be

  • SHA512

    2aaa0fcfb86916ed3b7da836fe1e11d3107cc84b162937ce77a36db5ff26e0b900dda8834fca0892e68173e1bccef4bfa709dcc2111411f2b1678d9ea2c9538d

  • SSDEEP

    384:e/4wODQkzonAYsju5N/surDQtOOtEvwDpjqIGROqS/WccJVJwi2B5oCCM8CLW2Vt:79inqyNR/QtOOtEvwDpjBKccJVODvy3M

Score
7/10

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 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.

  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-12_3c3161ab5e3c0c71051e6180c690ceda_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4636
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:4576

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    48KB

    MD5

    deb1466431f90c1ffa5eb1b20d7d5794

    SHA1

    313d30eab391f3b3548b624f4d2ba345f75fb37f

    SHA256

    d5860c773c238adfebb87ce26c0e3bc57e98f7cb7e0fb66a3adea64b4ec2b83d

    SHA512

    327824d91ad943057f7cb9e3314e2a388b63abe30396623800fdb6308d7fcf9991add10d0e0a9c5f131203d9e1935893924b00a3f733efbf5806191738c2ad60

  • memory/4576-19-0x0000000000630000-0x0000000000636000-memory.dmp

    Filesize

    24KB

  • memory/4576-20-0x0000000000760000-0x0000000000766000-memory.dmp

    Filesize

    24KB

  • memory/4576-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4636-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/4636-1-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/4636-2-0x0000000000600000-0x0000000000606000-memory.dmp

    Filesize

    24KB

  • memory/4636-3-0x0000000000620000-0x0000000000626000-memory.dmp

    Filesize

    24KB

  • memory/4636-17-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB