Overview

overview

10

Static

static

10

3a9046faa6...1a.exe

windows7-x64

10

3a9046faa6...1a.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    3a9046faa62b5bd7ba26961d4e459a45b3dd9423eaf8d8cac1d32ea80166d01a
  • Size 441KB
  • Sample221013-prfkyseag5
  • SHA256 3a9046faa62b5bd7ba26961d4e459a45b3dd9423eaf8d8cac1d32ea80166d01a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
neshtaevasionpersistencespywarestealer

Malware Config

Targets

    • Target
      3a9046faa62b5bd7ba26961d4e459a45b3dd9423eaf8d8cac1d32ea80166d01a
    • Size 441KB
    • SHA256 3a9046faa62b5bd7ba26961d4e459a45b3dd9423eaf8d8cac1d32ea80166d01a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    neshtapersistencespywarestealerevasion

    • Detect Neshta payload

    • Modifies system executable filetype association

      persistence

    • Neshta

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

      persistencespywareneshta

    • Executes dropped EXE

    • Modifies Windows Firewall

      evasion

    • Checks computer location settings

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

    • Drops startup file

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Adds Run key to start application

      persistence

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks