General

  • Target

    svchost.exe

  • Size

    409KB

  • Sample

    240821-tvw5bssbrq

  • MD5

    6208705452298d423e61f3ed8daa0e8d

  • SHA1

    3d10b4034a3bc8331cd08e7cbffdc2a15e75c022

  • SHA256

    27f7cd11912de002c5def057380f2676dc58a7476780e7ee8576fce5f4d16c4a

  • SHA512

    b5450f02d2f245ec05febaec126b14ad0c880cda52aa4bbde57fbfc599b51b32a4e04f358c6b2878a6546b34ca6dcd9eb651f657acf5392a59e950efe55f4e54

  • SSDEEP

    12288:6psD64e1MN61MQeBw+JFB/BzDEQBndZKC:esG4kM+eBnPBHEsZb

Malware Config

Extracted

Family

quasar

Version

3.1.5

Botnet

SeroXen | v3.1.5 |

C2

topics-findlaw.gl.at.ply.gg:14588

Mutex

$Sxr-jy6vh8CtEJL5ceZuIb

Attributes
  • encryption_key

    90pjC3Fx1UViGcZXRXG9

  • install_name

    $sxr-powershell.exe

  • log_directory

    $sxr-Logs

  • reconnect_delay

    3000

  • startup_key

    Powershell

  • subdirectory

    $sxr-seroxen2

Targets

    • Target

      svchost.exe

    • Size

      409KB

    • MD5

      6208705452298d423e61f3ed8daa0e8d

    • SHA1

      3d10b4034a3bc8331cd08e7cbffdc2a15e75c022

    • SHA256

      27f7cd11912de002c5def057380f2676dc58a7476780e7ee8576fce5f4d16c4a

    • SHA512

      b5450f02d2f245ec05febaec126b14ad0c880cda52aa4bbde57fbfc599b51b32a4e04f358c6b2878a6546b34ca6dcd9eb651f657acf5392a59e950efe55f4e54

    • SSDEEP

      12288:6psD64e1MN61MQeBw+JFB/BzDEQBndZKC:esG4kM+eBnPBHEsZb

    • 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 Enterprise v15

Tasks