General

  • Target

    27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49

  • Size

    4.2MB

  • Sample

    241122-zndbjaynaz

  • MD5

    9bf8ddd37402d4bc65fde73dd731efaf

  • SHA1

    306546d9db5efa9c4f6f45cea6864470070ef1d2

  • SHA256

    27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49

  • SHA512

    155ddba3acfd9295014302a138cf9a8708c763687e99d391d684b978773130c5190e50a427713ca49300e285fabd8c2fdf3c670c0c7fe7f0525c0669a62bf923

  • SSDEEP

    49152:FSDusCfRltpef5aYhrdGX9Q1kXf1YOmwNBI9tyugm9rMc50c0VsghHZ8zPrtK/C9:Og/gseePf9NB9uTGl3Z0JECHMsVQPrZ

Malware Config

Targets

    • Target

      27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49

    • Size

      4.2MB

    • MD5

      9bf8ddd37402d4bc65fde73dd731efaf

    • SHA1

      306546d9db5efa9c4f6f45cea6864470070ef1d2

    • SHA256

      27d7a74aa353a79ad0e8de90f591165248c92a914d7a7cf447267599f9181b49

    • SHA512

      155ddba3acfd9295014302a138cf9a8708c763687e99d391d684b978773130c5190e50a427713ca49300e285fabd8c2fdf3c670c0c7fe7f0525c0669a62bf923

    • SSDEEP

      49152:FSDusCfRltpef5aYhrdGX9Q1kXf1YOmwNBI9tyugm9rMc50c0VsghHZ8zPrtK/C9:Og/gseePf9NB9uTGl3Z0JECHMsVQPrZ

    • 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