Analysis

  • max time kernel
    140s
  • max time network
    123s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240419-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240419-enlocale:en-usos:windows10-2004-x64system
  • submitted
    07/05/2024, 12:14

General

  • Target

    722aca3f21551061ff49375d2a07a540_NEAS.exe

  • Size

    479KB

  • MD5

    722aca3f21551061ff49375d2a07a540

  • SHA1

    f6c37247f86d0e9a7ea1e27e0c360bdd79a2436e

  • SHA256

    30b39d0170635a8e3c6a6c4364669d8c08e44efeca6e4134b56189a916486321

  • SHA512

    d5af78a7f359277e02f31f339aa24e86820d39941bb12f3d84d87d25e160d124aacd822b8853e70572a3213eab8bf4de48876dfc1ce44c591566475a6c31656e

  • SSDEEP

    6144:pjFRiOcXH6XWD0w1tizmtnktLJ6znvxNcCI+1jDIlnJ9+1aTEPTnOK4JKElDnWW:nRDc3yWDNU+YUznzNjElWaT07NQtDWW

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\722aca3f21551061ff49375d2a07a540_NEAS.exe
    "C:\Users\Admin\AppData\Local\Temp\722aca3f21551061ff49375d2a07a540_NEAS.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:4164

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

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Downloads

  • C:\Windows\msrpc.exe

    Filesize

    479KB

    MD5

    ba368639fc58aba74344da9de96466dd

    SHA1

    a5e61dc4126c11099acb2591fe63feaa4cddb766

    SHA256

    a3c9f5bda4656729f8ebbb5d7e86adf6db4ae0e20b80cdce3ecd59a50973d1c9

    SHA512

    0ddb4ac1ccb714a299dfa8e3eabab51924c5ba67fcd82cbf9e2cbcca48ee5071cfcde86877fa0ea9479a07c2626d5645b76860bac726484c43db80b5830c8617

  • memory/4164-0-0x0000000000790000-0x0000000000791000-memory.dmp

    Filesize

    4KB

  • memory/4164-1-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/4164-18-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/4164-19-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/4164-20-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/4164-21-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/4164-22-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/4164-23-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/4164-24-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/4164-25-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB

  • memory/4164-26-0x0000000000400000-0x000000000047C000-memory.dmp

    Filesize

    496KB