Overview

overview

10

Static

static

10

4a1bb7243d...3f.exe

windows7_x64

10

4a1bb7243d...3f.exe

windows10-2004_x64

10

Sharing

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General

  • Target

    4a1bb7243d93faccacfdf4a5b329d31a176521857158e951132caadd8a84083f

  • Size

    348KB

  • Sample

    220324-kce9esedf8

  • MD5

    4e22eda5918426ccbc58319c13978906

  • SHA1

    080d364b894ee591be92afa782db2ae93192bea9

  • SHA256

    4a1bb7243d93faccacfdf4a5b329d31a176521857158e951132caadd8a84083f

  • SHA512

    03cc56592add96ea7d3fc592308c4043558b17b55cbe520c5e24764fb489dabfdbe51910a59d537b795073cb1ed6b10a3b703b68bf4a24fcfa91b91c3c875901

Score
10/10
quasartest1persistencespywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.3.0.0

Botnet

Test1

C2

sharaga.ddns.net:25565

81.1.158.128:25565
Mutex

QSR_MUTEX_2Wq2bcpv2N4Sls5IAl

Attributes
  • encryption_key

    3IYxH0O6qCkTu1k47KTz

  • install_name

    java.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Java

  • subdirectory

    .minecraft

Targets

    • Target

      4a1bb7243d93faccacfdf4a5b329d31a176521857158e951132caadd8a84083f

    • Size

      348KB

    • MD5

      4e22eda5918426ccbc58319c13978906

    • SHA1

      080d364b894ee591be92afa782db2ae93192bea9

    • SHA256

      4a1bb7243d93faccacfdf4a5b329d31a176521857158e951132caadd8a84083f

    • SHA512

      03cc56592add96ea7d3fc592308c4043558b17b55cbe520c5e24764fb489dabfdbe51910a59d537b795073cb1ed6b10a3b703b68bf4a24fcfa91b91c3c875901

    Score
    10/10
    quasartest1persistencespywaretrojan

    • Quasar Payload

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v6

Initial Access

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

System Information Discovery

1
T1082

Remote System Discovery

1
T1018

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Tasks