Overview

overview

7

Static

static

3

osk.exe

windows10-2004-x64

7

osk.exe

windows11-ltsc_2024-x64

7

Sharing

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General

  • Target
    osk.exe
  • Size 5.4MB
  • Sample260731-p7mn7stybz
  • SHA256 3036c7debc5134b4bae9040e25f9810505fbed3ae53417a84deba285218b8c2d
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
7/10
defense_evasiondiscoverypersistenceprivilege_escalation

Malware Config

Targets

    • Target
      osk.exe
    • Size 5.4MB
    • SHA256 3036c7debc5134b4bae9040e25f9810505fbed3ae53417a84deba285218b8c2d
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    7/10
    defense_evasiondiscoverypersistenceprivilege_escalation

    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

      persistenceprivilege_escalation

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

      discovery

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery

    • Hide Artifacts: Hidden Files and Directories

      defense_evasion
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks