Analysis

  • max time kernel
    119s
  • max time network
    167s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20220901-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20220901-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02/10/2022, 05:02

General

  • Target
    24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0.exe
  • Size 222KB
  • Sample221002-fn8b5ahff9
  • SHA256 24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Modifies system executable filetype association 2 TTPs 1 IoCs
  • Neshta

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

  • Executes dropped EXE 1 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Reads user/profile data of web browsers 2 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). Likely ransomware behaviour.

  • Modifies registry class 1 IoCs
  • Suspicious behavior: LoadsDriver 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0.exe
    "C:\Users\Admin\AppData\Local\Temp\24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0.exe"
    1⤵
    • Modifies system executable filetype association
    • Checks computer location settings
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of WriteProcessMemory
    PID:2588
    • C:\Users\Admin\AppData\Local\Temp\3582-490\24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0.exe
      "C:\Users\Admin\AppData\Local\Temp\3582-490\24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0.exe"
      2⤵
      • Executes dropped EXE
      PID:5024

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0.exe
        • Size 182KB
        • SHA256 c9ad6ee74d7b9f95b0224c45e3858fa811ddeec004e0c0257f622b943703cff2
        • MD5 SHA1 SHA512 SSDEEP

        24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0.exe

        • Path C:\Users\Admin\AppData\Local\Temp\3582-490\24807931df8cd633fd0fb26e4bf9ea5ec57714b5706c032cf9cacc1372f732f0.exe
        • Size 182KB
        • SHA256 c9ad6ee74d7b9f95b0224c45e3858fa811ddeec004e0c0257f622b943703cff2
        • MD5 SHA1 SHA512 SSDEEP