General

  • Target
    e569998290b8e57cbfeea4f35425d6c79e4a6cf1bf56b316c01d8f91d269396f
  • Size 1.6MB
  • Sample220625-dc13kadff9
  • SHA256 e569998290b8e57cbfeea4f35425d6c79e4a6cf1bf56b316c01d8f91d269396f
  • MD5 SHA1 SHA512
Score
10/10

Malware Config

Extracted

Family
  • buer

C2
  • https://loddd01.info/

  • https://loddd02.info/

Targets

    • Target
      e569998290b8e57cbfeea4f35425d6c79e4a6cf1bf56b316c01d8f91d269396f
    • Size 1.6MB
    • SHA256 e569998290b8e57cbfeea4f35425d6c79e4a6cf1bf56b316c01d8f91d269396f
    • MD5 SHA1 SHA512
    Score
    10/10
    • Buer

      Buer is a new modular loader first seen in August 2019.

    • Buer Loader

      Detects Buer loader in memory or disk.

    • 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.

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks