Resubmissions

06/12/2022, 13:52

221206-q6sdqsdc2310

21/09/2022, 08:18

220921-j7eqpsbdep9

21/09/2022, 07:05

220921-hwvr4sffe39

21/09/2022, 05:39

220921-gca3xsahbn9

General

  • Target
    859c659aee8b897aeebf4b87364cc6d1.exe
  • Size 2.4MB
  • Sample220921-hwvr4sffe3
  • SHA256 b2fdf16f56a53ec57134d20655a23d5919c022a97cf7da4087bd6bf9f3704bb6
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Targets

    • Target
      859c659aee8b897aeebf4b87364cc6d1.exe
    • Size 2.4MB
    • SHA256 b2fdf16f56a53ec57134d20655a23d5919c022a97cf7da4087bd6bf9f3704bb6
    • MD5 SHA1 SHA512 SSDEEP
    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Themida packer

      Detects Themida, an advanced Windows software protection system.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Maps connected drives based on registry

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks