General

  • Target
    Extrato=nf51622.MQEQHEGNIKÜ.msi
  • Size 2.7MB
  • Sample210909-rhw8fsbdfp
  • SHA256 7a48104f08293c577c5a0d0fb9febbe68e2446b0466c7a8b962b13feb6cb2a37
  • MD5 SHA1 SHA512

Malware Config

Targets

    • Target
      Extrato=nf51622.MQEQHEGNIKÜ.msi
    • Size 2.7MB
    • SHA256 7a48104f08293c577c5a0d0fb9febbe68e2446b0466c7a8b962b13feb6cb2a37
    • MD5 SHA1 SHA512
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    • Blocklisted process makes network request

    • Executes dropped EXE

    • Checks BIOS information in registry

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

    • Drops startup file

    • Loads dropped DLL

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks