General

  • Target

    00a7b6cbeb76f66bec8afb8de1fccc230d0dd2a16211fa9ca1d93e7f8cb462d1

  • Size

    81KB

  • Sample

    221019-gxvytsehc3

  • MD5

    67ff9e4ec5b5aae1bdc419007e42b3ad

  • SHA1

    6c15cd9e622067b1d83503126194d31584866e37

  • SHA256

    00a7b6cbeb76f66bec8afb8de1fccc230d0dd2a16211fa9ca1d93e7f8cb462d1

  • SHA512

    49c01d35621b9966a13b7af7fc932efaed728d095304d8ace74f9e86fb2dd694ac618cbdff98ea945e853436640bea28e5ee51fbf9d11633265df11864d5388b

  • SSDEEP

    768:z4nOvX4OBv46uqu7eHjHTFoknMVs42/wkIzIT0skBrUBQ8P8TRMk9BQ+5tkiAL5K:6y3hUOFnFLIzGLPsTRzM1FgsC

Malware Config

Extracted

Family

quasar

Version

1.4.0

Botnet

SKYNET

C2

173.225.115.99:7702

Mutex

938cda17-a814-4925-8420-83a35a350164

Attributes
  • encryption_key

    F04A75E6507173FAEEC2BB82C564030A5E8413FF

  • install_name

    FileHistory.exe

  • log_directory

    Logs

  • reconnect_delay

    4000

  • startup_key

    FileHistory

  • subdirectory

    FileHistory

Extracted

Family

orcus

C2

146.70.143.176:81

Mutex

712d31c7a3f54904a08d968a15b836e9

Attributes
  • autostart_method

    Registry

  • enable_keylogger

    false

  • install_path

    %programfiles%\orc\orc.exe

  • reconnect_delay

    10000

  • registry_keyname

    orc

  • taskscheduler_taskname

    orc

  • watchdog_path

    AppData\Watchdog.exe

Targets

    • Target

      00a7b6cbeb76f66bec8afb8de1fccc230d0dd2a16211fa9ca1d93e7f8cb462d1

    • Size

      81KB

    • MD5

      67ff9e4ec5b5aae1bdc419007e42b3ad

    • SHA1

      6c15cd9e622067b1d83503126194d31584866e37

    • SHA256

      00a7b6cbeb76f66bec8afb8de1fccc230d0dd2a16211fa9ca1d93e7f8cb462d1

    • SHA512

      49c01d35621b9966a13b7af7fc932efaed728d095304d8ace74f9e86fb2dd694ac618cbdff98ea945e853436640bea28e5ee51fbf9d11633265df11864d5388b

    • SSDEEP

      768:z4nOvX4OBv46uqu7eHjHTFoknMVs42/wkIzIT0skBrUBQ8P8TRMk9BQ+5tkiAL5K:6y3hUOFnFLIzGLPsTRzM1FgsC

    • Orcus

      Orcus is a Remote Access Trojan that is being sold on underground forums.

    • Orcus main payload

    • PlagueBot

      PlagueBot is an open source Bot written in Pascal.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Orcurs Rat Executable

    • PlagueBot Executable

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Checks computer location settings

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

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v6

Tasks