General

  • Target

    f0196c77923649dad5a31d766fbef2ccb35cacebb44c76cd934f14c83e09ff57

  • Size

    347KB

  • Sample

    220926-yc3llsdaan

  • MD5

    0c7b4927d8473e50866b28bc6ec37c07

  • SHA1

    ccc11ecdbce975a18b9a673d4adbcff48168af12

  • SHA256

    f0196c77923649dad5a31d766fbef2ccb35cacebb44c76cd934f14c83e09ff57

  • SHA512

    6979018af30d5635e8f3a9272ab61fed921a94178e6d5aa72b8159791eca2f259ee8a8ba257ec89b955e6ba192f1320850f9652153815c427d0ba68ef5142f07

  • SSDEEP

    6144:4dSz2Hgw9AHLrTfBkuaFnXDtcCy13o6w2uu7z7SYSb04sqvgJADBd/xz/:kUsAHLrTfBkuaFnXDtcCyrw2uu7zdplE

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

system

C2

106.12.192.231:4782

Mutex

QSR_MUTEX_j15VAOgMonMS1ue4Db

Attributes
  • encryption_key

    R2b2TrZWSxj5VWSKaHoD

  • install_name

    system.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    WindowsUpdate

  • subdirectory

    .WINDOWS

Targets

    • Target

      f0196c77923649dad5a31d766fbef2ccb35cacebb44c76cd934f14c83e09ff57

    • Size

      347KB

    • MD5

      0c7b4927d8473e50866b28bc6ec37c07

    • SHA1

      ccc11ecdbce975a18b9a673d4adbcff48168af12

    • SHA256

      f0196c77923649dad5a31d766fbef2ccb35cacebb44c76cd934f14c83e09ff57

    • SHA512

      6979018af30d5635e8f3a9272ab61fed921a94178e6d5aa72b8159791eca2f259ee8a8ba257ec89b955e6ba192f1320850f9652153815c427d0ba68ef5142f07

    • SSDEEP

      6144:4dSz2Hgw9AHLrTfBkuaFnXDtcCy13o6w2uu7z7SYSb04sqvgJADBd/xz/:kUsAHLrTfBkuaFnXDtcCyrw2uu7zdplE

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Tasks