Resubmissions

15-03-2023 00:22

230315-anx89saf46 10

15-03-2023 00:20

230315-am2v3aaf42 4

14-03-2023 23:32

230314-3jfsmsad98 10

General

  • Target

    https://gofile.io/d/c5Rqpr

  • Sample

    230315-anx89saf46

Malware Config

Targets

    • Target

      https://gofile.io/d/c5Rqpr

    • Suspicious use of NtCreateUserProcessOtherParentProcess

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

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

4
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks