Overview

overview

10

Static

static

10

image_logger.exe

windows7-x64

10

image_logger.exe

windows10-2004-x64

10

Sharing

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General

  • Target

    image_logger.exe

  • Size

    3.1MB

  • Sample

    240601-qs8tkaec99

  • MD5

    87548af645ae05d1270e35bab6c7180c

  • SHA1

    186758774e90f0f88537a2223f2919cce582a3b3

  • SHA256

    740eae2194c61a026196e3e6e0ebd629d4b876f8e591fdfd0b662878a86546e0

  • SHA512

    9e36a35d7c96f78401331d47f17a7dc127ffcf254c748f93f1fba41c91aa8886dd305a97d54acf743576659143b534af174adcd0625f10e03b931ba42c234604

  • SSDEEP

    49152:rvXI22SsaNYfdPBldt698dBcjHRpRJ6sbR3LoGdJqTHHB72eh2NT:rvY22SsaNYfdPBldt6+dBcjHRpRJ62Z

Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

192.168.1.146:4782

Mutex

34162b02-2762-4654-b588-2cfc3f9d49d6

Attributes
  • encryption_key

    53AE412E3C7FE26F176F4B85B9D37FEA82C46128

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target

      image_logger.exe

    • Size

      3.1MB

    • MD5

      87548af645ae05d1270e35bab6c7180c

    • SHA1

      186758774e90f0f88537a2223f2919cce582a3b3

    • SHA256

      740eae2194c61a026196e3e6e0ebd629d4b876f8e591fdfd0b662878a86546e0

    • SHA512

      9e36a35d7c96f78401331d47f17a7dc127ffcf254c748f93f1fba41c91aa8886dd305a97d54acf743576659143b534af174adcd0625f10e03b931ba42c234604

    • SSDEEP

      49152:rvXI22SsaNYfdPBldt698dBcjHRpRJ6sbR3LoGdJqTHHB72eh2NT:rvY22SsaNYfdPBldt6+dBcjHRpRJ62Z

    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Matrix ATT&CK v13

Initial Access

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Defense Evasion

Credential Access

Discovery

Query Registry

2
T1012

System Information Discovery

1
T1082

Lateral Movement

Collection

Exfiltration

Command and Control

Impact

Resource Development

Reconnaissance

Tasks