General

  • Target

    https://thepiratebay.party/torrent/11848208/Team_Extreme_Minecraft_launcher

  • Sample

    230312-xqwvjsha7v

Malware Config

Targets

    • Target

      https://thepiratebay.party/torrent/11848208/Team_Extreme_Minecraft_launcher

    • Downloads MZ/PE file

    • Modifies Installed Components in the registry

    • Sets file execution options in registry

    • Checks computer location settings

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

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Registers COM server for autorun

    • UPX packed file

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

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • 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.

    • Checks whether UAC is enabled

    • Drops Chrome extension

    • Installs/modifies Browser Helper Object

      BHOs are DLL modules which act as plugins for Internet Explorer.

    • Checks system information in the registry

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

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

4
T1060

Browser Extensions

1
T1176

Defense Evasion

Modify Registry

7
T1112

Virtualization/Sandbox Evasion

1
T1497

Install Root Certificate

1
T1130

Discovery

Query Registry

6
T1012

System Information Discovery

6
T1082

Virtualization/Sandbox Evasion

1
T1497

Peripheral Device Discovery

1
T1120

Tasks