General

  • Target

    file.exe

  • Size

    4.2MB

  • Sample

    241121-n1qxlssjcw

  • MD5

    a02a1cb540d8658f640dba74a1ada983

  • SHA1

    22cc7cd7bd7a3d13e441e2eff21556267fd63108

  • SHA256

    6e71349ff091fa402e51aad05f77f65ee2eea8ec824e5b34f5284b7f11eba1f2

  • SHA512

    9316ccc13bd532494ff0e34fb21312fc1f3d532c8deac805a9cfbdf0ac590d610a925edce5c24cec027c11a8e8b62499ef79abd56eeea4867a9198033d7adfd1

  • SSDEEP

    98304:h7stmnF4VhoqbUzE0lMaq3qTmXg9aegvqYt:1vafE1lMaT95gv5

Malware Config

Targets

    • Target

      file.exe

    • Size

      4.2MB

    • MD5

      a02a1cb540d8658f640dba74a1ada983

    • SHA1

      22cc7cd7bd7a3d13e441e2eff21556267fd63108

    • SHA256

      6e71349ff091fa402e51aad05f77f65ee2eea8ec824e5b34f5284b7f11eba1f2

    • SHA512

      9316ccc13bd532494ff0e34fb21312fc1f3d532c8deac805a9cfbdf0ac590d610a925edce5c24cec027c11a8e8b62499ef79abd56eeea4867a9198033d7adfd1

    • SSDEEP

      98304:h7stmnF4VhoqbUzE0lMaq3qTmXg9aegvqYt:1vafE1lMaT95gv5

    • 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