Resubmissions

30-03-2023 14:45

230330-r44jnaee6w 8

30-03-2023 14:15

230330-rkqhpaed71 9

General

  • Target

    https://anonfiles.com/0exaRah3ze/Loader_exe

  • Sample

    230330-rkqhpaed71

Malware Config

Targets

    • Target

      https://anonfiles.com/0exaRah3ze/Loader_exe

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

    • Looks for VirtualBox Guest Additions in registry

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Checks whether UAC is enabled

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

2
T1497

Modify Registry

2
T1112

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

2
T1497

System Information Discovery

3
T1082

Tasks