Extracted

• • Target

    reverse shell.bat

  • Size

    953B

  • MD5

    a34e9091b3cb1b1fddb64dd1e6eafe8b

  • SHA1

    73a9ce1190dbf81871d72cc98b7d81487bad17dc

  • SHA256

    b79c63a1f5777b977a48085de65f8041d1d6b2d5d569224b0f81b343578f1803

  • SHA512

    65391766927605aef01be482578b0f11fc9a9dfd0ee0b0a62ff1df6d07346a4b6d5a0d7409983f3fcd7b8a98e5376fd15bc8961b477be683e88ddf8e5619d0b7

  Score

  10^/10

  asyncratumbraldefaultdiscoveryexecutionratspywarestealer

  • AsyncRat

    AsyncRAT is designed to remotely monitor and control other computers written in C#.

    ratasyncrat

  • Asyncrat family

    asyncrat

  • Detect Umbral payload

  • Umbral

    Umbral stealer is an opensource moduler stealer written in C#.

    stealerumbral

  • Umbral family

    umbral

  • Async RAT payload

    rat

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Downloads MZ/PE file

  • Drops file in Drivers directory

  • Checks computer location settings

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

  • Drops startup file

  • Executes dropped EXE

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  behavioral1