Resubmissions

18/10/2023, 12:24

231018-pk572afh64 8

13/10/2023, 10:48

231013-mwkdlage9w 8

12/10/2023, 16:35

231012-t3p1zsbe7t 1

12/10/2023, 16:31

231012-t1wqrabd7t 4

12/10/2023, 16:18

231012-trx78aah6v 8

12/10/2023, 15:04

231012-sfsypafb9y 8

12/10/2023, 14:47

231012-r5228aee2t 8

12/10/2023, 13:01

231012-p9eflsba5y 10

10/10/2023, 12:45

231010-pzapnsfe43 9

10/10/2023, 12:25

231010-plsnbsdd7z 10

General

  • Target

    https://google.com

  • Sample

    231010-pzapnsfe43

Malware Config

Targets

    • Target

      https://google.com

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

    • Downloads MZ/PE file

    • Checks BIOS information in registry

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • VMProtect packed file

      Detects executables packed with VMProtect commercial packer.

    • Accesses cryptocurrency files/wallets, possible credential harvesting

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Drops file in System32 directory

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks