Overview

overview

10

Static

static

10

uni/Uni - ...2).exe

windows7-x64

10

uni/Uni - ...2).exe

windows10-2004-x64

10

uni/Uni - ...3).exe

windows7-x64

10

uni/Uni - ...3).exe

windows10-2004-x64

10

uni/Uni - ...4).exe

windows7-x64

10

uni/Uni - ...4).exe

windows10-2004-x64

10

uni/Uni - ...5).exe

windows7-x64

10

uni/Uni - ...5).exe

windows10-2004-x64

10

uni/Uni - ...6).exe

windows7-x64

10

uni/Uni - ...6).exe

windows10-2004-x64

10

uni/Uni - Copy.exe

windows7-x64

10

uni/Uni - Copy.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    uni.zip
  • Size 1.3MB
  • Sample240602-gz5wtadd81
  • SHA256 c4f4b783e9b152a00d5cac8b82d2ae0c74fa848aaa4a524dc5cb81b1576aaab5
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasarseroxenpersistencespywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 3.1.5

Botnet

  • SeroXen

C2

  • panel-slave.gl.at.ply.gg:57059

  • panel-slave.gl.at.ply.gg:27892

Mutex

  • $Sxr-rpL8EItHN3pqIQQVy2

Attributes
  • encryption_key

    Lme7VBS3l58VwLM69PNM

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    SeroXen

  • subdirectory

    SubDir

Targets

    • Target
      uni/Uni - Copy (2).exe
    • Size 409KB
    • SHA256 51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarseroxenspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • 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.

    behavioral1behavioral2
    • Target
      uni/Uni - Copy (3).exe
    • Size 409KB
    • SHA256 51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarseroxenspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • 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.

    behavioral3behavioral4
    • Target
      uni/Uni - Copy (4).exe
    • Size 409KB
    • SHA256 51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarseroxenspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • 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.

    behavioral5behavioral6
    • Target
      uni/Uni - Copy (5).exe
    • Size 409KB
    • SHA256 51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarseroxenspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • 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.

    behavioral7behavioral8
    • Target
      uni/Uni - Copy (6).exe
    • Size 409KB
    • SHA256 51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarseroxenspywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • 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.

    behavioral10behavioral9
    • Target
      uni/Uni - Copy.exe
    • Size 409KB
    • SHA256 51ff3eb450a786c1aaa75ff889f2fd256412a7b75d04277fdf9fcccc20e57246
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasarseroxenpersistencespywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    behavioral11behavioral12

MITRE ATT&CK Enterprise v15

Tasks