Analysis

  • max time kernel
    94s
  • max time network
    97s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    09/10/2024, 01:23

General

  • Target

    2024-10-09_0bb053179346fb8e5d38bb1047897b0c_cryptolocker.exe

  • Size

    82KB

  • MD5

    0bb053179346fb8e5d38bb1047897b0c

  • SHA1

    a045efdc6b76fa464a04ffefbac2bfeae38cd66b

  • SHA256

    bb30c9eb4afa9676c573af0936cc947708efa09d1b655c5a1fbb04ee56cd0c93

  • SHA512

    1b94cf48065e0ff9bd1f3a9d3e87f88ca2a1cb00441c58658ab6fa8f2a73d4e3a9d9f7db07da0474b327b3201773e00f5bd8b53062820f2ad5a4d070eddc24f7

  • SSDEEP

    768:XS5nQJ24LR1bytOOtEvwDpjNbZ7uyA36S7MpxRXrZSUfFKazNclMjNUvp:i5nkFGMOtEvwDpjNbwQEI8UtzNcO8p

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\2024-10-09_0bb053179346fb8e5d38bb1047897b0c_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-09_0bb053179346fb8e5d38bb1047897b0c_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:1984
    • 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:4068

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          82KB

          MD5

          fe0296a29c8467626257f8e8ff8d5658

          SHA1

          963364123aa199ee15804cad75b0fc5c07ef761d

          SHA256

          ed15a4f5357ea7f60e279677ffa3f8e2d0f0ad74b24a22a7aa3c1d6877b143f4

          SHA512

          c78d92450c009b5f3634da060a062c0416a2a4301ec5a357fd42c431aa712a9542367f3fd35dac028088b250de30496fa31ff003b057e8ff9a2649d7fde73f36

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/1984-0-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/1984-1-0x00000000006F0000-0x00000000006F6000-memory.dmp

          Filesize

          24KB

        • memory/1984-2-0x00000000006F0000-0x00000000006F6000-memory.dmp

          Filesize

          24KB

        • memory/1984-3-0x0000000000720000-0x0000000000726000-memory.dmp

          Filesize

          24KB

        • memory/1984-19-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB

        • memory/4068-26-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB

        • memory/4068-20-0x00000000005E0000-0x00000000005E6000-memory.dmp

          Filesize

          24KB

        • memory/4068-48-0x0000000000500000-0x000000000050F000-memory.dmp

          Filesize

          60KB