Analysis

  • max time kernel
    94s
  • max time network
    95s
  • 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, 03:58

General

  • Target

    2024-10-13_d8f11bca90136e802be29704bd563f89_cryptolocker.exe

  • Size

    47KB

  • MD5

    d8f11bca90136e802be29704bd563f89

  • SHA1

    1223f8ab0e4eb5d3503abb88516a753b4aa50993

  • SHA256

    e442e8d16946466195664127fe13f6de50e6dc84b00256c2b1548d849d6b3f6e

  • SHA512

    f0ccef41e2016f42f12165bf20f53db864fb8f1480fe54c8c23b7de3e041dcf078310d97bfd8c25b37c70b213961c4993cb3f8d39592d4c9be5f74bdb5859690

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4tKMLGokeA2+laALM:vj+jsMQMOtEvwDpj5Ht1qok51RQ

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_d8f11bca90136e802be29704bd563f89_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-13_d8f11bca90136e802be29704bd563f89_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:5048
    • 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:3604

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          47KB

          MD5

          8c69c0d67e677d5651ef09cf38f92c48

          SHA1

          5f6b3bc7e2993668ab81df88bcd812d9dfe079c6

          SHA256

          4824f905e9203cc570feccb5f6880abff0048bda410288565be9532ccb1e823f

          SHA512

          772f70268d21c752a0d724fec097d80e45b6fa442053e41739242a9b396d4e92747fae66c9b1f0e931881ee7a84785a7434ea7ffa103dd4dd5f9b0512d957411

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/3604-17-0x00000000006B0000-0x00000000006B6000-memory.dmp

          Filesize

          24KB

        • memory/3604-18-0x00000000006D0000-0x00000000006D6000-memory.dmp

          Filesize

          24KB

        • memory/5048-0-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/5048-1-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/5048-2-0x00000000005C0000-0x00000000005C6000-memory.dmp

          Filesize

          24KB