Analysis

  • max time kernel
    148s
  • 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
    14/10/2024, 05:42

General

  • Target

    2024-10-14_21991cdda208a944c782b11c6c5f4de2_cryptolocker.exe

  • Size

    50KB

  • MD5

    21991cdda208a944c782b11c6c5f4de2

  • SHA1

    df7b7d49798d388127e413c0f569820240fc2446

  • SHA256

    cdca7e519bc213252869ad205815bca74b78df5d9b23780bca81590248bd818d

  • SHA512

    e349a028ee3a16088186c2ab78ebce8e386e20ccefbc6f992b601086ef0c32027d97efe6d1e6a469e11bba7d0bbd92611de6588b33940ea58aa373b958d0ff2a

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4/Uth8igNrr42A7n0FmB0nA:vj+jsMQMOtEvwDpj5HczerLO04Bz

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\2024-10-14_21991cdda208a944c782b11c6c5f4de2_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-14_21991cdda208a944c782b11c6c5f4de2_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2164
    • 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:3304

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          50KB

          MD5

          fa1ddeac02d9270fe28bfca7a8c2bda8

          SHA1

          6b49109f20b38b654da3aef0a77193c034b9c34a

          SHA256

          6e789f60215db407bbe6d9b56f69f34c6b7b44726fe5324148c0546ab8e71a74

          SHA512

          297048271d3641a3d958af733de60cf4d6047fd918ac90567bb75cafb2d7c840350657bd8736f9ebaa4f0e54cb68c37d865f3127baf54f2b9947ec56e0f07e51

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/2164-0-0x00000000020D0000-0x00000000020D6000-memory.dmp

          Filesize

          24KB

        • memory/2164-1-0x00000000020D0000-0x00000000020D6000-memory.dmp

          Filesize

          24KB

        • memory/2164-2-0x0000000002100000-0x0000000002106000-memory.dmp

          Filesize

          24KB

        • memory/3304-17-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB

        • memory/3304-18-0x00000000004F0000-0x00000000004F6000-memory.dmp

          Filesize

          24KB