Overview

overview

8

Static

static

3

Stien.exe

windows7-x64

8

Stien.exe

windows10-2004-x64

8

Sharing

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General

  • Target
    Stien.exe
  • Size 48KB
  • Sample240522-e7nw6acb69
  • SHA256 ce8f36cb260a5e3d03fab13624208d531551b5dc82e2097b9dd38707c32852de
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
collectionexecutionspywarestealer

Malware Config

Targets

    • Target
      Stien.exe
    • Size 48KB
    • SHA256 ce8f36cb260a5e3d03fab13624208d531551b5dc82e2097b9dd38707c32852de
    • MD5 SHA1 SHA512 SSDEEP
    Score
    8/10
    executioncollectionspywarestealer

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

      execution

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

      execution

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

      spywarestealer

    • Reads user/profile data of web browsers

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

      spywarestealer

    • Accesses Microsoft Outlook profiles

      collection

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks