Overview

overview

8

Static

static

MediaCreat...H2.exe

windows7_x64

8

MediaCreat...H2.exe

windows10_x64

8

Analysis

  • max time kernel
    150s
  • max time network
    119s
  • platform
    windows10_x64
  • resource
    win10v20201028
  • submitted
    11/01/2021, 19:02

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General

  • Target
    MediaCreationTool20H2.exe
  • Size 18.6MB
  • Sample210111-eaz8mqhgh6
  • SHA256 690c8a63769d444fad47b7ddecee7f24c9333aa735d0bd46587d0df5cf15cde5
  • MD5 SHA1 SHA512
Score
8/10

Malware Config

Signatures

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

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

  • Loads dropped DLL 9 IoCs
  • JavaScript code in executable 3 IoCs
  • Drops file in Windows directory 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 6 IoCs
  • Suspicious use of SetWindowsHookEx 2 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\MediaCreationTool20H2.exe
    "C:\Users\Admin\AppData\Local\Temp\MediaCreationTool20H2.exe"
    1⤵
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:640
    • C:\$Windows.~WS\Sources\SetupHost.Exe
      "C:\$Windows.~WS\Sources\SetupHost.Exe" /Download /Web
      2⤵
      • Executes dropped EXE
      • Checks computer location settings
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of SetWindowsHookEx
      PID:3524
  • C:\Windows\System32\vdsldr.exe
    C:\Windows\System32\vdsldr.exe -Embedding
    1⤵
      PID:1944

    Network

          MITRE ATT&CK Enterprise v6

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          Downloads