Analysis

  • max time kernel
    93s
  • max time network
    137s
  • 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, 01:23

General

  • Target

    2024-10-13_ffcc867f33de83f5db03ee97b7e862d9_cryptolocker.exe

  • Size

    48KB

  • MD5

    ffcc867f33de83f5db03ee97b7e862d9

  • SHA1

    115ab6fc545de89c38486febc10aabdd24291aef

  • SHA256

    1180f2d5cf850917761cffb9e0a5ef9b5bc1f251e52219fc723a9826e357e4a6

  • SHA512

    02ffac0fb9e956dcd988ba07eff9c6f94a0c9abf726b5e637e3eaaa6b7d128fdf9cf925af5406957728f0c54da261291fb6b99d01b241c99a7fab9c9931291f3

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDhkJk+:6j+1NMOtEvwDpjrRraJk+

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_ffcc867f33de83f5db03ee97b7e862d9_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_ffcc867f33de83f5db03ee97b7e862d9_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1852
    • 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:2236

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          48KB

          MD5

          83cbedf6ea3d0e0dc409ae0df4141e7b

          SHA1

          ffaa28034d6a67dec824209e53badf9e10fbcaf1

          SHA256

          9dd305fb3b0cd8bb9e14475e6635b611d2d6be51056ed78b4cd4b5ef490c496e

          SHA512

          51c3e43aaf2b50912c2c8724fba03cf8ef9fce43b3337409f3a7f53d33ebc528ab11430ce7a1ee9f6af80087ea9791865bdb2d66b58e8ebfd845260d08d15719

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1852-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1852-1-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/1852-2-0x00000000004E0000-0x00000000004E6000-memory.dmp

          Filesize

          24KB

        • memory/1852-3-0x0000000000520000-0x0000000000526000-memory.dmp

          Filesize

          24KB

        • memory/1852-17-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2236-19-0x00000000006D0000-0x00000000006D6000-memory.dmp

          Filesize

          24KB

        • memory/2236-25-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/2236-46-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB