Analysis

  • max time kernel
    93s
  • max time network
    144s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    13/10/2024, 02:48

General

  • Target

    2024-10-13_ed2014b523822d6df88fdd72123ef721_cryptolocker.exe

  • Size

    47KB

  • MD5

    ed2014b523822d6df88fdd72123ef721

  • SHA1

    a289d92acf465d44bf011145dc69cdbd443e6b72

  • SHA256

    c1273a0abbbc9dcefc29e177f56e9b7f84416e119f6a7920026baad1c7bb7fb6

  • SHA512

    eda4cfba9cd5d802ddb9b7302711a46bac67f01aab0e44379ca2551694e01ddc10836997355fa2556e0355c783f9eddf40868d35fbc0d5e76b744da77828d15f

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDhkJlq:6j+1NMOtEvwDpjrRraJs

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 8 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-10-13_ed2014b523822d6df88fdd72123ef721_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_ed2014b523822d6df88fdd72123ef721_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1784
    • 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:1820

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          47KB

          MD5

          d1163b6d608388804e16c638786e2b91

          SHA1

          c86d157451cd6044f6c49d77331b061d59890816

          SHA256

          4a3ffb588a167883a76b1e019a491edb3080ab48394259fcddfe5c16fcec8222

          SHA512

          ffbe9f5ae0599771f40d78d7ca473499451daa0b641660448b145000222a505c14db285e30037075e9c0a0f397801dad60c01a93b43f10295dc18086cdd85a7d

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1784-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1784-1-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/1784-2-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/1784-3-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB

        • memory/1784-17-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1820-20-0x0000000000660000-0x0000000000666000-memory.dmp

          Filesize

          24KB

        • memory/1820-19-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/1820-46-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB