Analysis

  • max time kernel
    93s
  • max time network
    95s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    05/12/2024, 22:45

General

  • Target
    1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00.exe
  • Size 3.5MB
  • Sample241205-2pexvswkct
  • SHA256 1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Detect Neshta payload 6 IoCs
  • Neshta

    Malware from the neshta family is designed to infect itself into other files to spread itself and cause damage.

  • Neshta family
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Modifies registry class 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00.exe
    "C:\Users\Admin\AppData\Local\Temp\1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00.exe"
    1⤵
    • Checks computer location settings
    • Modifies system executable filetype association
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • System Location Discovery: System Language Discovery
    • Modifies registry class
    PID:2052

Network

        MITRE ATT&CK Enterprise v15

        Replay Monitor

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        Downloads

        ACROTE~1.EXE

        • Path C:\PROGRA~2\Adobe\ACROBA~1\Reader\ACROTE~1.EXE
        • Size 86KB
        • SHA256 18dcc8fae245869d02b7db0edbe22ec57a30bdd51a64090452118a79ba194052
        • MD5 SHA1 SHA512 SSDEEP

        1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\1ab9497cb69350887e126d27a88df2166eef8c1069ae69287b3264ae5ee09c00.exe
        • Size 3.5MB
        • SHA256 e5a3442408054de4fd7ae0eee99a243f1a8647b5a6e6ff9bcc57d09a506d44bd
        • MD5 SHA1 SHA512 SSDEEP

        memory/2052-0-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/2052-94-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/2052-95-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/2052-96-0x0000000000400000-0x000000000042B000-memory.dmp

        memory/2052-99-0x0000000000400000-0x000000000042B000-memory.dmp