General

  • Target
    42AE90BB.exe
  • Size 32.5MB
  • Sample260508-wp7d8afs3n
  • SHA256 229ab5c6f62bc63d566a57c60a0500e62fa05215c5b39a00bf2972db1052106c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      42AE90BB.exe
    • Size 32.5MB
    • SHA256 229ab5c6f62bc63d566a57c60a0500e62fa05215c5b39a00bf2972db1052106c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: xmrig

      XMRig is a high performance, open source, cross platform CPU/GPU miner.

    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • XMRig Miner payload

    • Server Software Component: Terminal Services DLL

    • 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

    • 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

    • Indicator Removal: Clear Persistence

      Clear artifacts associated with previously established persistence like scheduletasks on a host.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks