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Analysis

  • max time kernel
    144s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231020-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231020-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/11/2023, 07:23

General

  • Target

    NEAS.f28d04b2c360090d14406da06e074dd0_JC.exe

  • Size

    474KB

  • MD5

    f28d04b2c360090d14406da06e074dd0

  • SHA1

    a25bb3ef66901953a74158c92db8222a8f207480

  • SHA256

    429ae58fec755e4c91b8888e08d74401786d8869a89899e5d2ba0a542eceb709

  • SHA512

    3c5b69ec08a4c2af7ab872a7fe00a2041dd57175ebbf84909921e7ff8afac78a93f51e412cf204753674df34b1f7c565a282c0e9d778684e45214e018c0417fb

  • SSDEEP

    6144:pjFRiOcXH6XWD0w1tizmtnktLJ6znvxNcCI+1jDIlnJ9+1aTEPTnOK4JKEl6:nRDc3yWDNU+YUznzNjElWaT07NQt6

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 4 IoCs
  • Adds policy Run key to start application 2 TTPs 4 IoCs
  • Sets service image path in registry 2 TTPs 1 IoCs
  • Adds Run key to start application 2 TTPs 3 IoCs
  • Enumerates connected drives 3 TTPs 21 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 13 IoCs
  • Modifies registry class 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\NEAS.f28d04b2c360090d14406da06e074dd0_JC.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.f28d04b2c360090d14406da06e074dd0_JC.exe"
    1⤵
    • Modifies firewall policy service
    • Adds policy Run key to start application
    • Sets service image path in registry
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of FindShellTrayWindow
    PID:2848

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msrpc.exe

    Filesize

    474KB

    MD5

    dd61a79e208a288ac7d2bbeb95238c2d

    SHA1

    3b91f9597155ddeeb474e4dc6dad030cd41da33d

    SHA256

    c2372d6d402234adad0503302a6a29cb25c1fc75344bbe56d23763562e2e9091

    SHA512

    8e01b410d10fd4920829947c55acf2cd1e378d9e893580508c7462d1e9cf0fdd65b47bd8ec9e7903bfd433c164ae6234e19ae17e2d8f62428804e9f26580d818

  • memory/2848-0-0x0000000002210000-0x0000000002211000-memory.dmp

    Filesize

    4KB

  • memory/2848-1-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2848-2-0x0000000002210000-0x0000000002211000-memory.dmp

    Filesize

    4KB

  • memory/2848-20-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2848-21-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2848-22-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2848-23-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2848-24-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2848-25-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2848-26-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2848-27-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB