Extracted

• • Target

    calc.exe

  • Size

    87.1MB

  • MD5

    c50aeb0698e41af933510280fc1aa01c

  • SHA1

    e313ae95cc7857e13c781a842c783013ab8b9df4

  • SHA256

    bc71f58b2438a89e2cd189b8896a97b2436f091ab240861b84435afcdc3db746

  • SHA512

    a67dcde6d29ec5a23dca60de03604158343e2c8190b2f0fe4d7e9e92ec0ce4c2af7c232d90c7ef594d969bf35280440554adbe37cfb00d1d117bb5c285cb43a5

  • SSDEEP

    1572864:R/2/nTbAdNcILd/GsOSLkxMjCMfEbZP+GoOoJOzRLdaB+sAJ+7VVg0:RqsDCMfENhfoUzRsB+sAJ+7p

  Score

  10^/10

  discoveryremcosremotehostdefense_evasionexecutionrat

  • Remcos

    Remcos is a closed-source remote control and surveillance software.

    ratremcos

  • Remcos family

    remcos

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • 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

  • Checks installed software on the system

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

    discovery

  • Hide Artifacts: Hidden Window

    Windows that would typically be displayed when an application carries out an operation can be hidden.

    defense_evasion

  • Enumerates processes with tasklist

    discovery

  • Suspicious use of SetThreadContext

  behavioral1behavioral2