Analysis

  • max time kernel
    93s
  • max time network
    94s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    10/10/2024, 05:22

General

  • Target

    2024-10-10_bb2f4098cc6b89313d227cae0e9af0c8_cryptolocker.exe

  • Size

    74KB

  • MD5

    bb2f4098cc6b89313d227cae0e9af0c8

  • SHA1

    59a4c85e65e87baa4e4e079b6e3a1380f9e1d304

  • SHA256

    4fe30595969da91d231d9bc507e5c56e21ab78e46b5aafc97ad77df823930f4a

  • SHA512

    8992be34326c73b79da6f16cfa15f7e481d445bd6b39e6f13877f4e047fb44b190075f4f9ac6149270bad2b2e7b25ad55a11516bfdc04fb7682db5169509aad6

  • SSDEEP

    768:vQz7yVEhs9+js1SQtOOtEvwDpjz9+4U9HueDgaRWDtJgXkeUTYG0C:vj+jsMQMOtEvwDpj5H8u8rLXkemJ9

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\2024-10-10_bb2f4098cc6b89313d227cae0e9af0c8_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-10_bb2f4098cc6b89313d227cae0e9af0c8_cryptolocker.exe"
    1⤵
    • Checks computer location settings
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:3240
    • 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:3420

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

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

          Filesize

          74KB

          MD5

          f7917eac4ce4eeddde29c47ba186a9b9

          SHA1

          ca8ab766d3b81c9a37be31489607a4687b631543

          SHA256

          23d2986858075a1f640705572c808389ece32a76dd5e343480ff6010525ce6c0

          SHA512

          e3fd2baf8c5807bf9b18b16deac5aaee9734a5a781839756a3d41021ad50a13975cb5eb1ea11a27f8d5ccc1b91f0168fe7f2e685fd780658bdf6fd502c2f8958

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

          Filesize

          315B

          MD5

          a34ac19f4afae63adc5d2f7bc970c07f

          SHA1

          a82190fc530c265aa40a045c21770d967f4767b8

          SHA256

          d5a89e26beae0bc03ad18a0b0d1d3d75f87c32047879d25da11970cb5c4662a3

          SHA512

          42e53d96e5961e95b7a984d9c9778a1d3bd8ee0c87b8b3b515fa31f67c2d073c8565afc2f4b962c43668c4efa1e478da9bb0ecffa79479c7e880731bc4c55765

        • memory/3240-0-0x0000000000670000-0x0000000000676000-memory.dmp

          Filesize

          24KB

        • memory/3240-1-0x0000000000670000-0x0000000000676000-memory.dmp

          Filesize

          24KB

        • memory/3240-2-0x0000000000690000-0x0000000000696000-memory.dmp

          Filesize

          24KB

        • memory/3420-17-0x00000000005A0000-0x00000000005A6000-memory.dmp

          Filesize

          24KB

        • memory/3420-23-0x00000000004D0000-0x00000000004D6000-memory.dmp

          Filesize

          24KB