Analysis

  • max time kernel
    31s
  • max time network
    42s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    06/09/2024, 02:26

Errors

Reason
Machine shutdown

General

  • Target

    2024-09-06_13fdf451843363d71b0fac782f3ac879_cryptolocker.exe

  • Size

    46KB

  • MD5

    13fdf451843363d71b0fac782f3ac879

  • SHA1

    9edb642936c2161701c6ead6f317578e211c9507

  • SHA256

    9225b6ecf993b3e54619206a830b4b8fd854790eae030dcdf27fa169a8c5858d

  • SHA512

    4b0d9a42c1227fe537a41bac5f8be8e00341ebc33cc30055e34a6af0cd4b042fc9f7e3636d5b9baf266b41505a91dc7060c98c801c7c1e53cb024c8b5eb063b2

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqh6/aMDh:6j+1NMOtEvwDpjrRrt

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\2024-09-06_13fdf451843363d71b0fac782f3ac879_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-09-06_13fdf451843363d71b0fac782f3ac879_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2768
    • 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:4668

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          46KB

          MD5

          32ec0897590254294ee376d911d8732c

          SHA1

          63f2b66d9618b44cc8fb81d4f2669960cc696b8d

          SHA256

          1a0be1e5fe98ecbea3c27ae26935af78e9c7b6766ba9ccc7b159872beeb69b9c

          SHA512

          fa833f87fab9c7ba1a61666ce52ef762cebd55c7dac06a88a649851c603d719d8ff5aefd4f0b3adeca1d2e009937e1d5c0a8421c866cdaab26af258530e9fa54

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/2768-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/2768-1-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/2768-2-0x00000000006A0000-0x00000000006A6000-memory.dmp

          Filesize

          24KB

        • memory/2768-3-0x0000000000750000-0x0000000000756000-memory.dmp

          Filesize

          24KB

        • memory/2768-18-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/4668-20-0x0000000002070000-0x0000000002076000-memory.dmp

          Filesize

          24KB

        • memory/4668-19-0x00000000021E0000-0x00000000021E6000-memory.dmp

          Filesize

          24KB

        • memory/4668-48-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB