General

  • Target

    Client-built.exe

  • Size

    3.1MB

  • Sample

    241218-xr3z9aylaz

  • MD5

    4a0c6269f041778479be25c053014de1

  • SHA1

    7474c9d50ab9e48e165df40cfb5d45873429c1b3

  • SHA256

    f0b341cff383ba4f0143639eb0515fbdc023b8c98815a4f72191114ab75799b6

  • SHA512

    24f9125960573e4a99c9407d6e7d543918c921bff1caabd7c394132eaea370c89b242735089af064639b4ccc070a6844b35785ef6be0db9d817ad26b55a1c65a

  • SSDEEP

    49152:Kvjt62XlaSFNWPjljiFa2RoUYIgxDEDwCk/JxJoGdSTHHB72eh2NT:Kvx62XlaSFNWPjljiFXRoUYIgx3v

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

x5sql-62870.portmap.host:62870

Mutex

42098932-ec6f-4d72-ab22-06528c985236

Attributes
  • encryption_key

    3300C61943A333F53FD91D0A93268174467B5322

  • install_name

    ntodsk.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Microsoft

  • subdirectory

    SubDir

Targets

    • Target

      Client-built.exe

    • Size

      3.1MB

    • MD5

      4a0c6269f041778479be25c053014de1

    • SHA1

      7474c9d50ab9e48e165df40cfb5d45873429c1b3

    • SHA256

      f0b341cff383ba4f0143639eb0515fbdc023b8c98815a4f72191114ab75799b6

    • SHA512

      24f9125960573e4a99c9407d6e7d543918c921bff1caabd7c394132eaea370c89b242735089af064639b4ccc070a6844b35785ef6be0db9d817ad26b55a1c65a

    • SSDEEP

      49152:Kvjt62XlaSFNWPjljiFa2RoUYIgxDEDwCk/JxJoGdSTHHB72eh2NT:Kvx62XlaSFNWPjljiFXRoUYIgx3v

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

MITRE ATT&CK Matrix

Tasks