General

  • Target
    file.exe
  • Size 1.1MB
  • Sample261108-g3qlasysfz
  • SHA256 5bf9af4450ec63c2b592f054ba876cb40b96678363d8bdc49455e9a7dd3bfcd9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • gcleaner

C2
  • 185.156.73.98

Extracted

Family
  • darkcore

C2
  • 162.55.4.179:43592

Targets

    • Target
      file.exe
    • Size 1.1MB
    • SHA256 5bf9af4450ec63c2b592f054ba876cb40b96678363d8bdc49455e9a7dd3bfcd9
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detects DarkCore RAT

    • Family: DarkCoreRAT

      DarkCore RAT is a modular remote access trojan sold as malware-as-a-service, written in C++.

    • Family: GCleaner

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

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Downloads MZ/PE file

    • Checks computer location settings

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

    • 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 a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

    • Executes dropped EXE

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks