Analysis

  • max time kernel
    133s
  • max time network
    140s
  • platform
    windows7_x64
  • resource
    win7-20240708-en
  • resource tags

    arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system
  • submitted
    08/08/2024, 16:23

General

  • Target

    2024-08-08_3de655aa6a2033df702f93efd47243b5_cryptolocker.exe

  • Size

    46KB

  • MD5

    3de655aa6a2033df702f93efd47243b5

  • SHA1

    f9beaad5acabb03ba2c16807bbf7d0072680aa74

  • SHA256

    b488fcb7461c5ad8e44abeee5f39d672e7cc20eac1973b93822a08adc4b9811a

  • SHA512

    d04e71fc3ae7b1e7146a5a83b5d56a540510adbcb169b82d7f9dd64b2814e0691aa6638f30b73dd77624df14197e8e92b3f11a61ddbc7af01d1c817ad5b18a42

  • SSDEEP

    768:V6LsoEEeegiZPvEhHSG+gDYQtOOtEvwDpj/MLaHaMMm2X3dXW:V6QFElP6n+gMQMOtEvwDpjyaHaXrW

Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 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.

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\2024-08-08_3de655aa6a2033df702f93efd47243b5_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-08-08_3de655aa6a2033df702f93efd47243b5_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2104
    • C:\Users\Admin\AppData\Local\Temp\asih.exe
      "C:\Users\Admin\AppData\Local\Temp\asih.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:2176

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        • \Users\Admin\AppData\Local\Temp\asih.exe

          Filesize

          47KB

          MD5

          6a334e0a7f259f5e6ed9e6397881ae4d

          SHA1

          e72b3317a9d6275c9549800bfcda9eeb921529ce

          SHA256

          263e3f701ecb9897d1ed6ab2cd01d4d03984cb450748f22285d08d9a1c208590

          SHA512

          5c7b881afbd18648d985cbc4a343ee3a07d86d2d7dca29b5f4d26aa48d9c26370171320856254fe364bf233803c38060dc3c764c55040594632d1c774b59df47

        • memory/2104-0-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2104-1-0x0000000000310000-0x0000000000316000-memory.dmp

          Filesize

          24KB

        • memory/2104-8-0x0000000000240000-0x0000000000246000-memory.dmp

          Filesize

          24KB

        • memory/2176-15-0x0000000000370000-0x0000000000376000-memory.dmp

          Filesize

          24KB

        • memory/2176-22-0x00000000002B0000-0x00000000002B6000-memory.dmp

          Filesize

          24KB