General

  • Target

    https://mega.nz/file/XosiURrI#ihzYE9GbN9JMEKqgQbREkGFz576UpvSbsSq2kcx0Gyk

  • Sample

    220204-rww5lsbbb3

Malware Config

Targets

    • Target

      https://mega.nz/file/XosiURrI#ihzYE9GbN9JMEKqgQbREkGFz576UpvSbsSq2kcx0Gyk

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

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • 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 NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

3
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

3
T1082

Tasks