General

  • Target

    file.exe

  • Size

    4.3MB

  • Sample

    241123-j8zgha1qbw

  • MD5

    791373b49f4ee813cd3b2869a62d5e86

  • SHA1

    1231ef136f9d806edc7202e44e81bd35d05526e8

  • SHA256

    ff7dc25ce280c034e4038d4ebc20560904ceef62c9ada19631c8f4a42183c98d

  • SHA512

    8321138d61d3fec4b6e45ba45c0b3965a8a9d20f79e4956c1d8c97c815b6d9fc76ae8b8861475016d1aed8397c7d321a8af4b63ab88cf9a45576b131d9ac8c27

  • SSDEEP

    98304:EpV5Jqck+qK7KoT5xLCC7iC60BU3rYArSG4sKREDkly4PWKl0U6BgJrXq:EX5AcqzctiC+UwSG4tRIGyqWKl0U6BsT

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.3MB

    • MD5

      791373b49f4ee813cd3b2869a62d5e86

    • SHA1

      1231ef136f9d806edc7202e44e81bd35d05526e8

    • SHA256

      ff7dc25ce280c034e4038d4ebc20560904ceef62c9ada19631c8f4a42183c98d

    • SHA512

      8321138d61d3fec4b6e45ba45c0b3965a8a9d20f79e4956c1d8c97c815b6d9fc76ae8b8861475016d1aed8397c7d321a8af4b63ab88cf9a45576b131d9ac8c27

    • SSDEEP

      98304:EpV5Jqck+qK7KoT5xLCC7iC60BU3rYArSG4sKREDkly4PWKl0U6BgJrXq:EX5AcqzctiC+UwSG4tRIGyqWKl0U6BsT

    • CryptBot

      CryptBot is a C++ stealer distributed widely in bundle with other software.

    • Cryptbot family

    • Detects CryptBot payload

      CryptBot is a C++ stealer distributed widely in bundle with other software.

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

    • Uses browser remote debugging

      Can be used control the browser and steal sensitive information such as credentials and session cookies.

    • 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.

    • Executes dropped EXE

    • Identifies Wine through registry keys

      Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

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

    • Suspicious use of NtSetInformationThreadHideFromDebugger

MITRE ATT&CK Enterprise v15

Tasks