Windows 7 deprecation

Windows 7 will be removed from tria.ge on 2025-03-31

General

  • Target

    990e4a37aa2c639c582f884fd3430063.exe

  • Size

    1.4MB

  • Sample

    230921-g2lkysdh2x

  • MD5

    990e4a37aa2c639c582f884fd3430063

  • SHA1

    7b272d8dbead6130f66d6c66b3c9d80d24a4486e

  • SHA256

    e5aa35d2480e58e2b63e14ef64374728d931423cd3f530cb43a107ca4c2a93aa

  • SHA512

    5c1a590cdc3e7beecc0d48f74f417ab4c40afdbab90e02240979a0ffcb86e0f284784857c286d291a2334071d58e1c20a19d7c5bf15bdc59e398e26d3c290748

  • 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

      990e4a37aa2c639c582f884fd3430063.exe

    • Size

      1.4MB

    • MD5

      990e4a37aa2c639c582f884fd3430063

    • SHA1

      7b272d8dbead6130f66d6c66b3c9d80d24a4486e

    • SHA256

      e5aa35d2480e58e2b63e14ef64374728d931423cd3f530cb43a107ca4c2a93aa

    • SHA512

      5c1a590cdc3e7beecc0d48f74f417ab4c40afdbab90e02240979a0ffcb86e0f284784857c286d291a2334071d58e1c20a19d7c5bf15bdc59e398e26d3c290748

    • 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.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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.

    • 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 Enterprise v15

Tasks