Analysis

  • max time kernel
    150s
  • max time network
    150s
  • platform
    windows7_x64
  • resource
    win7-20240220-en
  • resource tags

    arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system
  • submitted
    22-05-2024 19:12

General

  • Target

    20240521797e53d58f0cf2ec486ed37cab9564ffcryptolocker.exe

  • Size

    57KB

  • MD5

    797e53d58f0cf2ec486ed37cab9564ff

  • SHA1

    3c1e7546abb81710ce3faa8acacc857f3509c0ca

  • SHA256

    4b4a95141bb89d4ce4436dcd0363955af9006a322e50023898e1965743edd10b

  • SHA512

    35f1b87ca650a52427fbf225d07e8acfd929a300ec035f09ec06fbf5718ca553e91d64d509b03270a229a87bb349263efce68f846db9bed11bde2f6ed1540f13

  • SSDEEP

    768:6Qz7yVEhs9+4OR7tOOtEvwDpjLHqPOYRmNxt5QJz7/e4O:6j+1NMOtEvwDpjr8oxExe4O

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).

  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\20240521797e53d58f0cf2ec486ed37cab9564ffcryptolocker.exe
    "C:\Users\Admin\AppData\Local\Temp\20240521797e53d58f0cf2ec486ed37cab9564ffcryptolocker.exe"
    1⤵
    • Loads dropped DLL
    • Suspicious use of WriteProcessMemory
    PID:2092
    • C:\Users\Admin\AppData\Local\Temp\misid.exe
      "C:\Users\Admin\AppData\Local\Temp\misid.exe"
      2⤵
      • Executes dropped EXE
      PID:2504

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

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

    Filesize

    57KB

    MD5

    e8fa180830fdbd8c00dc7c2b03bc0255

    SHA1

    d666c89bd875bccb7651f91a30d1d38d39cddb5a

    SHA256

    bbebc9d599cd80beb75b824ec41ef4d87cfc74f54f725a6a79abac8f240b84ee

    SHA512

    2eaba7f4b66b7c61aa5d16a56f686ed7ab481247085f71f35bc2a66c67f4ac9bfc78662555f6cae4cd81fa2bf1cfc58458abd7d3b10f8f96a706305867a19cc4

  • memory/2092-0-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2092-1-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2092-2-0x0000000000210000-0x0000000000216000-memory.dmp

    Filesize

    24KB

  • memory/2092-9-0x00000000001D0000-0x00000000001D6000-memory.dmp

    Filesize

    24KB

  • memory/2092-15-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2504-16-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB

  • memory/2504-18-0x0000000000370000-0x0000000000376000-memory.dmp

    Filesize

    24KB

  • memory/2504-25-0x0000000000320000-0x0000000000326000-memory.dmp

    Filesize

    24KB

  • memory/2504-26-0x0000000000500000-0x000000000050F000-memory.dmp

    Filesize

    60KB