Analysis

  • max time kernel
    173s
  • max time network
    196s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231023-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231023-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05-11-2023 19:46

General

  • Target

    NEAS.4fab848c48f6f989acd2a29f679fcdb0.exe

  • Size

    475KB

  • MD5

    4fab848c48f6f989acd2a29f679fcdb0

  • SHA1

    5538553e2589b08f8419014b3453639604e1d12e

  • SHA256

    115dec297bb72c417f8bcbb72a3303138c377b93694c16a01f2bb4e5466540f4

  • SHA512

    b360ebaa1e650f3f89877f4004e67c659359cf1e1591935147908c675b461cd68d24f46eb54aba06b61f2e7e955c563a2bc03d4cda83372d0f4dc537c8185566

  • SSDEEP

    6144:pjFRiOcXH6XWD0w1tizmtnktLJ6znvxNcCI+1jDIlnJ9+1aTEPTnOK4JKEl+/:nRDc3yWDNU+YUznzNjElWaT07NQt+/

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.4fab848c48f6f989acd2a29f679fcdb0.exe
    "C:\Users\Admin\AppData\Local\Temp\NEAS.4fab848c48f6f989acd2a29f679fcdb0.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:2540

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msrpc.exe

    Filesize

    475KB

    MD5

    b80b004ea6eca5cfee4817e71b63b697

    SHA1

    c34f1abc589e6cdbba00c88ce2c740ea261076b1

    SHA256

    9f42d6002cef346bc6e464cf268da3538b4574c3c6767072bc785e52666d631c

    SHA512

    b4bcbbee0f1bb28dc33195c42e4d48684f7421f28415a9ee86e6edf163836f71396d6c586e7420b12936c2e1c48c7fe44b5057c0d2a3ff8662190ee43ae8fd83

  • memory/2540-0-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

  • memory/2540-1-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2540-2-0x0000000002320000-0x0000000002321000-memory.dmp

    Filesize

    4KB

  • memory/2540-20-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2540-21-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2540-22-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2540-23-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2540-24-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2540-25-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2540-26-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/2540-27-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB