General

  • Target

    980c16ace3de850ecab59d309e5e36ccc876ca917b2ae282f07a92c7cb75e973

  • Size

    429KB

  • Sample

    211219-r67dbsgeb2

  • MD5

    9421080325b399fe52f19a5069176df0

  • SHA1

    64ef50ff83a597c5dfedc850528922e9afd9874a

  • SHA256

    980c16ace3de850ecab59d309e5e36ccc876ca917b2ae282f07a92c7cb75e973

  • SHA512

    4275f4050e027c922249af8c199e5bf6ff3c1511ecb71608cfd9b867b3819a0d372ddac910a8a4187e969f88fd030185ebf94ce33023cd8a16b40c894816e5a2

Malware Config

Extracted

Family

quasar

Version

1.4.0.0

Botnet

Hacked

C2

shadowhost.ddns.net:36000

Mutex

hsZQSoSXcLWLWzB5Tq

Attributes
  • encryption_key

    qtt3efuuXlzXZe7rvxla

  • install_name

    Runtime Broker.exe

  • log_directory

    KeysLOGGER Logs

  • reconnect_delay

    3000

  • startup_key

    System

  • subdirectory

    SystemMain

Targets

    • Target

      980c16ace3de850ecab59d309e5e36ccc876ca917b2ae282f07a92c7cb75e973

    • Size

      429KB

    • MD5

      9421080325b399fe52f19a5069176df0

    • SHA1

      64ef50ff83a597c5dfedc850528922e9afd9874a

    • SHA256

      980c16ace3de850ecab59d309e5e36ccc876ca917b2ae282f07a92c7cb75e973

    • SHA512

      4275f4050e027c922249af8c199e5bf6ff3c1511ecb71608cfd9b867b3819a0d372ddac910a8a4187e969f88fd030185ebf94ce33023cd8a16b40c894816e5a2

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Drops file in Drivers directory

    • Executes dropped EXE

    • Sets service image path in registry

    • Adds Run key to start application

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

2
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

2
T1112

Discovery

System Information Discovery

1
T1082

Tasks