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Analysis

  • max time kernel
    141s
  • max time network
    124s
  • platform
    windows7_x64
  • resource
    win7-20231023-en
  • resource tags

    arch:x64arch:x86image:win7-20231023-enlocale:en-usos:windows7-x64system
  • submitted
    28/10/2023, 20:19

General

  • Target

    NEAS.fc3775a630ef13715d49130070924f90.exe

  • Size

    475KB

  • MD5

    fc3775a630ef13715d49130070924f90

  • SHA1

    8266716aecf689149dafaf747fb179c5bbfab63c

  • SHA256

    c05f48cec5b71e33d3f2688202c58bb254707850a189c73f70f2d98cb97a22dd

  • SHA512

    e3b07fdae572335e6369002c166a0e262d4e00b7b19251c34b5a17ff6e24f1c6887a65428d47cf092ca27af64d606434f7a8bce94c608e2b7206784378c102d5

  • SSDEEP

    6144:pjFRiOcXH6XWD0w1tizmtnktLJ6znvxNcCI+1jDIlnJ9+1aTEPTnOK4JKElY:nRDc3yWDNU+YUznzNjElWaT07NQtY

Score
10/10

Malware Config

Signatures

  • Modifies firewall policy service 2 TTPs 2 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.fc3775a630ef13715d49130070924f90.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.fc3775a630ef13715d49130070924f90.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:1856

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msrpc.exe

    Filesize

    475KB

    MD5

    d5319b15c1582dc49248347f37eab9bc

    SHA1

    1d2fb712461d38feab8619665bf3362ce8e4011d

    SHA256

    f8658ab5cf218c2fb3a0178d17a3be771ee39a7c903709a07f36b147ec62e320

    SHA512

    5b9a8faf10b708d2a6715de70671abe4b0e15aaf8a5d0c80ea112236c48bbeab6f3937dbad5c2c6c21ca8c0e866eb65cf58bf325f4e42dfac3744c6bdb47e8b7

  • memory/1856-0-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/1856-1-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/1856-2-0x00000000001B0000-0x00000000001B1000-memory.dmp

    Filesize

    4KB

  • memory/1856-19-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/1856-20-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB