General

  • Target

    Predictor.exe

  • Size

    3.1MB

  • Sample

    240707-ak4a4s1aja

  • MD5

    1815451669203a2e20a0cd31a47fa081

  • SHA1

    f12d68b58ee000fdc741a09e3540d99192604e02

  • SHA256

    f9521136f66448f2217b1c7377aab9670a08d174211863d23977ade2b0387149

  • SHA512

    e6ce3e017f9e2fb0cb603d66dc402bbc9d7e810756381ba1539a359410e45cb29b9971283114edbbfb0dec304856ae2e82c3df2a684cf9ca345eedd5a513e258

  • SSDEEP

    49152:fvyI22SsaNYfdPBldt698dBcjHAiRJ62bR3LoGdwGTHHB72eh2NT:fvf22SsaNYfdPBldt6+dBcjHAiRJ6wA

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.68.64:4782

Mutex

75b36097-b407-4e88-ad84-e1aee7ab7912

Attributes
  • encryption_key

    E66E6C0A7C3E03AB7FD6F38667C7583F9964D61D

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      Predictor.exe

    • Size

      3.1MB

    • MD5

      1815451669203a2e20a0cd31a47fa081

    • SHA1

      f12d68b58ee000fdc741a09e3540d99192604e02

    • SHA256

      f9521136f66448f2217b1c7377aab9670a08d174211863d23977ade2b0387149

    • SHA512

      e6ce3e017f9e2fb0cb603d66dc402bbc9d7e810756381ba1539a359410e45cb29b9971283114edbbfb0dec304856ae2e82c3df2a684cf9ca345eedd5a513e258

    • SSDEEP

      49152:fvyI22SsaNYfdPBldt698dBcjHAiRJ62bR3LoGdwGTHHB72eh2NT:fvf22SsaNYfdPBldt6+dBcjHAiRJ6wA

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Discovery

Query Registry

1
T1012

Tasks