Analysis

  • max time kernel
    149s
  • max time network
    153s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    08/10/2024, 21:27

General

  • Target

    2024-10-08_799caa12c2152b5c62cf2c85f102deac_cryptolocker.exe

  • Size

    56KB

  • MD5

    799caa12c2152b5c62cf2c85f102deac

  • SHA1

    51f73b6c07e3c4d4578ccba02803acc74d41064b

  • SHA256

    dc25a9871f29be6ffa051efb37b186f9713320dee73c477ab0f5e940f1fe9edc

  • SHA512

    fd44a01f498d09e507ad60974ee485cb558e432f4774788c3604dcf73a05efeccfa8586b00fac4146df5701cb24520382be2eae937692846ea6c041712c9671b

  • SSDEEP

    768:UEEmoQDj/xnMp+yptndwe/PWQtOOtEvwDpjIm8lB4dCOBy/cMFqeoYPO+kw:ZzFbxmLPWQMOtEvwDpj38lD/cMAT+kw

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\2024-10-08_799caa12c2152b5c62cf2c85f102deac_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-08_799caa12c2152b5c62cf2c85f102deac_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5108
    • 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:4424

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

        Loading Replay Monitor...

        Downloads

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

          Filesize

          56KB

          MD5

          faf80cc8d63aa5b2aef9df453207df8a

          SHA1

          c105f85ab38e6147520112a27c7c8d8818783ef7

          SHA256

          b6faa6d96c91a5751099b1fe8b74da8ffb9ad5db90cb4eae0f2ecce13c045189

          SHA512

          b8496bd80708b5c34d7a205da64371505a2050e28d74837fd029499714d3bb41f8f04289e2b534dbb147c72a6fe26c3f875ed19c24851d5d5be5d57a44589241

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/4424-19-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB

        • memory/4424-25-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/5108-0-0x00000000004E0000-0x00000000004E3000-memory.dmp

          Filesize

          12KB

        • memory/5108-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/5108-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/5108-3-0x0000000000710000-0x0000000000716000-memory.dmp

          Filesize

          24KB

        • memory/5108-17-0x00000000004E0000-0x00000000004E3000-memory.dmp

          Filesize

          12KB