General

  • Target

    cbe2c0ca7b943fb00138c1b6a2465938e5565ba41a30e66df7d425e30ffd56a2N.exe

  • Size

    480KB

  • Sample

    241128-k4rfrsymbl

  • MD5

    6c6ecb9b9ae4845d8a366524aea58510

  • SHA1

    b1f17cbeb74defa1cb32ac8640c1ed717572a3e9

  • SHA256

    cbe2c0ca7b943fb00138c1b6a2465938e5565ba41a30e66df7d425e30ffd56a2

  • SHA512

    bcd09fff18bb8daf4b33e5691d72adba97a4afdda0006a1cc55ee270a0c705371d1a245659784d087ae43f89df5f215db66b084403c1a5231d07cfccf1622621

  • SSDEEP

    12288:iww6xvH9M3Ir55+JpWQbe6Ef4D+2u+4gnflehW:inKP9M4r55+JAQGf4D+2tleA

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

svchost.exe

C2

23.227.174.82:4782

Mutex

QSR_MUTEX_UtaUPinApnyZsQXsVE

Attributes
  • encryption_key

    hn8U0t79xWv7f03kzG79

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      cbe2c0ca7b943fb00138c1b6a2465938e5565ba41a30e66df7d425e30ffd56a2N.exe

    • Size

      480KB

    • MD5

      6c6ecb9b9ae4845d8a366524aea58510

    • SHA1

      b1f17cbeb74defa1cb32ac8640c1ed717572a3e9

    • SHA256

      cbe2c0ca7b943fb00138c1b6a2465938e5565ba41a30e66df7d425e30ffd56a2

    • SHA512

      bcd09fff18bb8daf4b33e5691d72adba97a4afdda0006a1cc55ee270a0c705371d1a245659784d087ae43f89df5f215db66b084403c1a5231d07cfccf1622621

    • SSDEEP

      12288:iww6xvH9M3Ir55+JpWQbe6Ef4D+2u+4gnflehW:inKP9M4r55+JAQGf4D+2tleA

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Drops startup file

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks