General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241124-sy6x9swmbs

  • MD5

    ccfe9bcb47d17daa52ad54c47bcd5385

  • SHA1

    f272d7519e728efe636f85126fed21d541125d11

  • SHA256

    b4d038b967536bb78113868b0819e5ae63d1a3f536d8a6c900cc80f1c541c0fc

  • SHA512

    8026d45c70084433e241b8db8eecadc8872692cec8358a6336eeda25ac728fa637237ceb6e89a05067785985ee329685d0428ea589a41e1a7d1661b01a925220

  • SSDEEP

    98304:yNJ84SqRAA7rrA+83TM2lfTiP0PSvB1f6EXsg/50dY:QJ84SqRzrrAz3TM2JmBMEXsg/M

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      ccfe9bcb47d17daa52ad54c47bcd5385

    • SHA1

      f272d7519e728efe636f85126fed21d541125d11

    • SHA256

      b4d038b967536bb78113868b0819e5ae63d1a3f536d8a6c900cc80f1c541c0fc

    • SHA512

      8026d45c70084433e241b8db8eecadc8872692cec8358a6336eeda25ac728fa637237ceb6e89a05067785985ee329685d0428ea589a41e1a7d1661b01a925220

    • SSDEEP

      98304:yNJ84SqRAA7rrA+83TM2lfTiP0PSvB1f6EXsg/50dY:QJ84SqRzrrAz3TM2JmBMEXsg/M

    • 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