General

  • Target

    c265560aae8ebdcdf7d6c8ffdf96a340593f13c9c5a2640e55e335081b4de293

  • Size

    1.4MB

  • Sample

    230801-dherhsea6t

  • MD5

    becbd048376e3514817586e50b952d0b

  • SHA1

    7199abbb225d27ee6f3e7f2fa2173f3d0309a710

  • SHA256

    c265560aae8ebdcdf7d6c8ffdf96a340593f13c9c5a2640e55e335081b4de293

  • SHA512

    6f6d10dad2c4e201a0f656dd496618fa689b68c9630a3d6576444799b7c0273b8a15bc46e85ecff032a7cad57aa9ce7b73af6d2361feee3c2d05771c5666db44

  • SSDEEP

    24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

-

C2

94.131.105.161:12344

Mutex

QSR_MUTEX_UEgITWnMKnRP3EZFzK

Attributes
  • encryption_key

    5Q0JQBQQfAUHRJTcAIOF

  • install_name

    lient.exe

  • log_directory

    Lugs

  • reconnect_delay

    3000

  • startup_key

    itartup

  • subdirectory

    SubDir

Targets

    • Target

      c265560aae8ebdcdf7d6c8ffdf96a340593f13c9c5a2640e55e335081b4de293

    • Size

      1.4MB

    • MD5

      becbd048376e3514817586e50b952d0b

    • SHA1

      7199abbb225d27ee6f3e7f2fa2173f3d0309a710

    • SHA256

      c265560aae8ebdcdf7d6c8ffdf96a340593f13c9c5a2640e55e335081b4de293

    • SHA512

      6f6d10dad2c4e201a0f656dd496618fa689b68c9630a3d6576444799b7c0273b8a15bc46e85ecff032a7cad57aa9ce7b73af6d2361feee3c2d05771c5666db44

    • SSDEEP

      24576:U2G/nvxW3Ww0tRp8GiXTBhq7yRDvHcUcjUvy0lr3Tl6icOB/UWoT:UbA30H4zF0UMSAicOB/UWk

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar payload

    • Modifies Windows Firewall

    • ACProtect 1.3x - 1.4x DLL software

      Detects file using ACProtect software.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

MITRE ATT&CK Enterprise v15

Tasks