Overview

overview

8

Static

static

3

MicrosoftToolkit.exe

windows7-x64

8

MicrosoftToolkit.exe

windows10-2004-x64

7

Sharing

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General

  • Target
    MicrosoftToolkit.exe
  • Size 312.2MB
  • Sample240526-pe75facc44
  • SHA256 92c691d8e8157dc95310628e644d4e98a734ab5aa1f7e22644d256eb463c7d1c
  • MD5 SHA1 SHA512 SSDEEP
Score
8/10
discoveryexploitspywarestealerupx

Malware Config

Targets

    • Target
      MicrosoftToolkit.exe
    • Size 312.2MB
    • SHA256 92c691d8e8157dc95310628e644d4e98a734ab5aa1f7e22644d256eb463c7d1c
    • MD5 SHA1 SHA512 SSDEEP
    Score
    8/10
    discoveryexploitspywarestealerupx

    • Possible privilege escalation attempt

      exploit

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Modifies file permissions

      discovery

    • Reads user/profile data of web browsers

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

      spywarestealer

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

      upx

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

      discovery

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks