General

  • Target
    Setup.exe
  • Size 7.0MB
  • Sample260819-c28y2avfrd
  • SHA256 2e1e3bd6da854b3b4517c5e51754327308a9f8b7855aeab11d9cf36f3a4cc92e
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • exe.dropper

    https://wappingerbicornshaps.com/s4r7aa2f7f74b7ac2ab0af7589004c3a8ef07971edb98

Extracted

Family
  • gcleaner

C2
  • 185.156.73.98

  • 45.91.200.135

Targets

    • Target
      Setup.exe
    • Size 7.0MB
    • SHA256 2e1e3bd6da854b3b4517c5e51754327308a9f8b7855aeab11d9cf36f3a4cc92e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: GCleaner

      GCleaner is a Pay-Per-Install malware loader first discovered in early 2019.

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • Executes dropped EXE

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

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

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Looks up external IP address via web service

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

    • Executes a VBScript file via the Windows Script Host.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks