Extracted

• • Target

    2024-05-10_3d70017a2b6d0c6859d7004b651a5d7a_ryuk

  • Size

    11.0MB

  • MD5

    3d70017a2b6d0c6859d7004b651a5d7a

  • SHA1

    f954835541b5a2e7863091a626007f3df181a3ed

  • SHA256

    bc28a9c3ab8c1e7e13f6634c1eff7bed34d3dec2f5979f25101270303e69d06e

  • SHA512

    6fa6f871e61ce7294db6e1dee046b62fd4cf515c615fb5d63a1db207f5d976c41720e9124f607b7a928b058dff93bd2056b84eef955a8c01baa7767244ca6140

  • SSDEEP

    196608:EVFLHg8HxKtyCTFdynneMeR5U8kB1eLOPwdrhEVSL2v8hpffR5vSGRNJpoEzoCDh:OgQxiyKunnQDQBPw5aVSLo8phZS0yEEG

  Score

  10^/10

  bitratexecutionpersistencetrojanupx

  • BitRAT

    BitRAT is a remote access tool written in C++ and uses leaked source code from other families.

    trojanbitrat

  • UPX dump on OEP (original entry point)

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE

  • Loads dropped DLL

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx

  • Adds Run key to start application

    persistence

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2