General

  • Target
    file.exe
  • Size 908KB
  • Sample261007-pb9tvsgw2y
  • SHA256 b9f9c58e080f1b5028e8e331fdc0aa5d5c43646d747031615d4645800fe87a02
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gcleaner

C2
  • 185.156.73.98

Targets

    • Target
      file.exe
    • Size 908KB
    • SHA256 b9f9c58e080f1b5028e8e331fdc0aa5d5c43646d747031615d4645800fe87a02
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DonutLoader

    • Family: DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Family: GCleaner

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • 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.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Adds Run key to start application

    • Checks installed software on the system

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

    • Drops desktop.ini file(s)

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks