Resubmissions

15-04-2023 06:29

230415-g89aladc88 1

14-04-2023 01:53

230414-ca7xnagh7v 10

General

  • Target

    https://gofile.io/d/2DDghj

  • Sample

    230414-ca7xnagh7v

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

v15.5.4 | SeroXen

C2

us-east-63815.packetriot.net:22685

Mutex

480ee734-a00e-4d8c-8579-704f4f60da38

Attributes
  • encryption_key

    F622E4B012DB6D330923BFB7D9C9757C12AB59FD

  • install_name

    .exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    $sxr-seroxen

Targets

    • Target

      https://gofile.io/d/2DDghj

    • AsyncRat

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

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Async RAT payload

    • 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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v6

Tasks