General

  • Target

    5f59627da5032edd29bca3798f9d9e67f441bec8a4fc3410360eb9a7bf567386

  • Size

    2.7MB

  • Sample

    211227-lsxzvaced6

  • MD5

    1d2a39112767125a8ee84c1b63d070fe

  • SHA1

    f6ae7e6351d8c16cf470d59a481ed053cfc55dd5

  • SHA256

    5f59627da5032edd29bca3798f9d9e67f441bec8a4fc3410360eb9a7bf567386

  • SHA512

    cba766ca4b875dd804d32289e018140fbd0a7ec439188571d05ed4b7ac2f64c11217756e2e42cf85d76abdc2456f08f67fb666aa9d0bdbc73996842f5a1e5efa

Malware Config

Targets

    • Target

      5f59627da5032edd29bca3798f9d9e67f441bec8a4fc3410360eb9a7bf567386

    • Size

      2.7MB

    • MD5

      1d2a39112767125a8ee84c1b63d070fe

    • SHA1

      f6ae7e6351d8c16cf470d59a481ed053cfc55dd5

    • SHA256

      5f59627da5032edd29bca3798f9d9e67f441bec8a4fc3410360eb9a7bf567386

    • SHA512

      cba766ca4b875dd804d32289e018140fbd0a7ec439188571d05ed4b7ac2f64c11217756e2e42cf85d76abdc2456f08f67fb666aa9d0bdbc73996842f5a1e5efa

    • 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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Matrix ATT&CK v6

Defense Evasion

Virtualization/Sandbox Evasion

1
T1497

Discovery

Query Registry

2
T1012

Virtualization/Sandbox Evasion

1
T1497

System Information Discovery

2
T1082

Tasks