General

  • Target

    4e441dcbac9fd22e565fb19a74810c63307870541228520b4eb43bd1bc764e95

  • Size

    83KB

  • Sample

    221019-gxw6wsfeaj

  • MD5

    6d3abb049a40f36d08c71b58339f2f16

  • SHA1

    606609fae1dde24d6b56dc4ebbb174146bc7b868

  • SHA256

    4e441dcbac9fd22e565fb19a74810c63307870541228520b4eb43bd1bc764e95

  • SHA512

    3cca0ceb34ea06a42c73e8b52f1da8eeea536678e52d4c5a19e6d49d134aeb2c13715148136b68fd805e6988b91bf315c9816bbc1cbda6173df5219a175cd51b

  • SSDEEP

    768:NzooK6h6RxrWXqv1WlQOZecRCWSsS/XrELY2435R//ogFv924ZfZXwTrcDO7O8Ki:9EM6rUqvhBFSS/X4EX3ou12TIPU

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

      4e441dcbac9fd22e565fb19a74810c63307870541228520b4eb43bd1bc764e95

    • Size

      83KB

    • MD5

      6d3abb049a40f36d08c71b58339f2f16

    • SHA1

      606609fae1dde24d6b56dc4ebbb174146bc7b868

    • SHA256

      4e441dcbac9fd22e565fb19a74810c63307870541228520b4eb43bd1bc764e95

    • SHA512

      3cca0ceb34ea06a42c73e8b52f1da8eeea536678e52d4c5a19e6d49d134aeb2c13715148136b68fd805e6988b91bf315c9816bbc1cbda6173df5219a175cd51b

    • SSDEEP

      768:NzooK6h6RxrWXqv1WlQOZecRCWSsS/XrELY2435R//ogFv924ZfZXwTrcDO7O8Ki:9EM6rUqvhBFSS/X4EX3ou12TIPU

    • 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

    • Loads dropped DLL

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Drops file in System32 directory

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Discovery

System Information Discovery

1
T1082

Tasks