General

  • Target

    f70260641b3d143e2caf4072f955c6a3dcbe7f1bbe2257f91484f84ea99a0822

  • Size

    8.6MB

  • Sample

    210509-rnykeplg7e

  • MD5

    fcb96a461c968c949edd43a257b184ec

  • SHA1

    ef94972a825850d401aaa6e47bb6d9adcdd7ecdf

  • SHA256

    f70260641b3d143e2caf4072f955c6a3dcbe7f1bbe2257f91484f84ea99a0822

  • SHA512

    f5c125f63ea1593081a825a79543d6cff498ab308adbfbf34e4b2ac4f48d7352c70a4e55e2a2ecd2c96ec4d432a955b6199d007ccacdd9365cde7cd844eaa3de

Malware Config

Targets

    • Target

      f70260641b3d143e2caf4072f955c6a3dcbe7f1bbe2257f91484f84ea99a0822

    • Size

      8.6MB

    • MD5

      fcb96a461c968c949edd43a257b184ec

    • SHA1

      ef94972a825850d401aaa6e47bb6d9adcdd7ecdf

    • SHA256

      f70260641b3d143e2caf4072f955c6a3dcbe7f1bbe2257f91484f84ea99a0822

    • SHA512

      f5c125f63ea1593081a825a79543d6cff498ab308adbfbf34e4b2ac4f48d7352c70a4e55e2a2ecd2c96ec4d432a955b6199d007ccacdd9365cde7cd844eaa3de

    • CryptBot

      A C++ stealer distributed widely in bundle with other software.

    • 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.

    • 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.

    • 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.

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v6

Tasks