General

  • Target

    1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0.exe

  • Size

    3.8MB

  • Sample

    250115-cmq5nsxlbt

  • MD5

    df29ee043d88f265cd76747f62ab3ea7

  • SHA1

    0594a814e05c80618a72a865fa53d24fd351db5b

  • SHA256

    1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0

  • SHA512

    7826bc0582819fb165b25c21fd5a9385b47332201a464b8ae4a035d65f0b3c7ece75507ba0acfa92a6e8b55f2a18ba83344dbf3db264be7d43d3beb5796384a1

  • SSDEEP

    98304:WhZ14lAzlFFzMsYLtZvQ1pVjLvAMQkWS27MtXE:WhZ1AAvFzMBNQTBIMQkXtX

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

gasplant

C2

toolsbox.ydns.eu:20901

Mutex

33714128-68e4-4509-bd32-b7e414783d3eDtWike

Attributes
  • encryption_key

    43CBFE44C367A91A79A79C9E1778A82D0B498870

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0.exe

    • Size

      3.8MB

    • MD5

      df29ee043d88f265cd76747f62ab3ea7

    • SHA1

      0594a814e05c80618a72a865fa53d24fd351db5b

    • SHA256

      1528a6080656c5a8cf440d976047d7fa31e93e483c10142f416108f211145ff0

    • SHA512

      7826bc0582819fb165b25c21fd5a9385b47332201a464b8ae4a035d65f0b3c7ece75507ba0acfa92a6e8b55f2a18ba83344dbf3db264be7d43d3beb5796384a1

    • SSDEEP

      98304:WhZ14lAzlFFzMsYLtZvQ1pVjLvAMQkWS27MtXE:WhZ1AAvFzMBNQTBIMQkXtX

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

    • Quasar family

    • Quasar payload

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks