General

  • Target

    ab759d4dd1159da2f15203da815fb8568137811a4481354951827e6dc7263b33

  • Size

    68KB

  • Sample

    211020-mzc4paghe4

  • MD5

    064a8c76b9ee093e9c1de6d9acbef1bf

  • SHA1

    37fd361ccbbef5aa5c503044038aafac141c603d

  • SHA256

    ab759d4dd1159da2f15203da815fb8568137811a4481354951827e6dc7263b33

  • SHA512

    4aa80e73e6f2216e2d4835ac3a7e4cb591e8e501c18c29a8a5524ca7c7c2087d18c30deb4fe7caacce2b66078724ff7f544658700e8af309d8360ed2a704acf9

Malware Config

Targets

    • Target

      ab759d4dd1159da2f15203da815fb8568137811a4481354951827e6dc7263b33

    • Size

      68KB

    • MD5

      064a8c76b9ee093e9c1de6d9acbef1bf

    • SHA1

      37fd361ccbbef5aa5c503044038aafac141c603d

    • SHA256

      ab759d4dd1159da2f15203da815fb8568137811a4481354951827e6dc7263b33

    • SHA512

      4aa80e73e6f2216e2d4835ac3a7e4cb591e8e501c18c29a8a5524ca7c7c2087d18c30deb4fe7caacce2b66078724ff7f544658700e8af309d8360ed2a704acf9

    • 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.

    • 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

    • Legitimate hosting services abused for malware hosting/C2

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks