Extracted

• • Target

    Fixer-obf.bat

  • Size

    24KB

  • MD5

    03361badff8e7ecad39acd34f5f14749

  • SHA1

    c023fd9bd854f59f527141824e8fa6a311a57858

  • SHA256

    3026eb3fcde09d0d4e0695b3f74cb420b1e9d64b30c1ced3ed6a20f085a34d51

  • SHA512

    796e7466d4af6e2d52bc265b6a9d0881989cebd52ff6c6bae8d3817db61f50dc26e5982a6eb5fe16bf4e7d5cf3aa09a5a33e35c51c94a58d32438684fb88f979

  • SSDEEP

    384:UOpRAoUR7FKSVwpehr0kqTdyUO0OPniIjSFI:zpRrURhKKEehr0kqTIUO0OPnih+

  Score

  10^/10

  quasarrpaddiscoveryexecutionpersistencespywaretrojan

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

    trojanspywarequasar

  • Quasar payload

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Downloads MZ/PE file

  • 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

  • Modifies file permissions

    discovery

  • Adds Run key to start application

    persistence

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

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

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2behavioral3