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Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240903-en
  • resource tags

    arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system
  • submitted
    02/10/2024, 01:26

General

  • Target

    2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe

  • Size

    46KB

  • MD5

    54afcdeceffef5d9f1e6394c98e09956

  • SHA1

    e43e61877f2790040cfb0d370a4dc4170b299c3b

  • SHA256

    bea5d5607e34b5062b99d008595cac9bef3285ed9d1f5019708be7221cc145cb

  • SHA512

    da7d503234d43fab7778d61e11b5979dc352ab8d97d6aff23ff6ffeb19a2a3756970acb3d7898615e05809e93445dfbcd3c3bda8c2f094e9afc0affd2bffe5f1

  • SSDEEP

    768:bCDOw9UiaKHfjnD0S16avdrQFiLjJvtAIie0LHumR1:bCDOw9aMDooc+vAlXnR1

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\2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\2024-10-02_54afcdeceffef5d9f1e6394c98e09956_cryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2380
    • C:\Users\Admin\AppData\Local\Temp\lossy.exe
      "C:\Users\Admin\AppData\Local\Temp\lossy.exe"
      2⤵
      • Executes dropped EXE
      • System Location Discovery: System Language Discovery
      PID:1864

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    46KB

    MD5

    be07593665508cfa7f62aa5ba1631906

    SHA1

    dd2d3f232c0d8bae7344e3f5e535d6aa5b0c1705

    SHA256

    71ba75394957a5d904597d831c25f9eeb4539b86986971576b9281cca6824fd1

    SHA512

    6d1192afa69ca7335dcc22879e2635b4bf143e0f7fc5d6ac26f7c29f82d5751e4a4c4aa332f75ce80e83b9cb145fbba9c51434a5d47dd36d9fb87c03b9241954

  • memory/1864-17-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/1864-19-0x0000000000280000-0x0000000000286000-memory.dmp

    Filesize

    24KB

  • memory/1864-26-0x0000000000240000-0x0000000000246000-memory.dmp

    Filesize

    24KB

  • memory/1864-27-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2380-2-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2380-1-0x00000000002D0000-0x00000000002D6000-memory.dmp

    Filesize

    24KB

  • memory/2380-0-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2380-3-0x0000000000350000-0x0000000000356000-memory.dmp

    Filesize

    24KB

  • memory/2380-16-0x0000000008000000-0x000000000800A000-memory.dmp

    Filesize

    40KB

  • memory/2380-13-0x0000000002AB0000-0x0000000002ABA000-memory.dmp

    Filesize

    40KB