Extracted

• • Target

    Server.exe

  • Size

    93KB

  • MD5

    57e1aae72406aecb9418ea6b9900d24f

  • SHA1

    b1eb7cf67e69c5ecaea4df806d5e17913485c048

  • SHA256

    baa50398d0c735b6f72a76093ed875a27ec9d60d900ecd50d396f5bc2bdf9cf2

  • SHA512

    1937e3b729ad249f7e0c0ea3ad11d2af6bd6f237833d4779d8a758ae307c76b9b8c2b47910c42f3228411695ba5a4c0a78cab2c8e8693d342750f2495cf20196

  • SSDEEP

    768:OY3rUnD9O/pBcxYsbae6GIXb9pDX2t98PL0OXLeuXxrjEtCdnl2pi1Rz4Rk31sGS:tUxOx6baIa9RZj00ljEwzGi1dDFDcgS

  Score

  10^/10

  njrathackedbootkitdiscoveryevasionpersistenceransomwarespywarestealertrojanupx

  • Modifies WinLogon for persistence

    persistence

  • Modifies security service

    evasion

  • Windows security bypass

    evasiontrojan

  • njRAT/Bladabindi

    Widely used RAT written in .NET.

    trojannjrat

  • Disables RegEdit via registry modification

    evasion

  • Downloads MZ/PE file

  • Modifies Windows Firewall

    evasion

  • Sets service image path in registry

    persistence

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Modifies system executable filetype association

    persistence

  • Reads user/profile data of web browsers

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

    spywarestealer

  • UPX packed file

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

    upx

  • Windows security modification

    evasiontrojan

  • Adds Run key to start application

    persistence

  • Checks installed software on the system

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

    discovery

  • Drops desktop.ini file(s)

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Maps connected drives based on registry

    Disk information is often read in order to detect sandboxing environments.

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of NtCreateThreadExHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1