Overview

overview

10

Static

static

10

JC_39d8d78...99.exe

windows7-x64

10

JC_39d8d78...99.exe

windows10-2004-x64

10

Sharing

Copy URL Twitter E-mail

General

  • Target
    JC_39d8d782ab9d2c91b4816543515a5f3a366682a09f3edabe6e657e327d405699
  • Size 405KB
  • Sample230906-t3lcsshf8t
  • SHA256 39d8d782ab9d2c91b4816543515a5f3a366682a09f3edabe6e657e327d405699
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.3.3.7

Botnet

  • Office04

C2

  • max-cleaner.at.ply.gg:19784

Mutex

  • QSR_MUTEX_v3A9ZNWgakvECMqg0w

Attributes
  • encryption_key

    SjKClDrAF62qu45aCr3i

  • install_name

    JJ Mod.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      JC_39d8d782ab9d2c91b4816543515a5f3a366682a09f3edabe6e657e327d405699
    • Size 405KB
    • SHA256 39d8d782ab9d2c91b4816543515a5f3a366682a09f3edabe6e657e327d405699
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • 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

MITRE ATT&CK Enterprise v15

Tasks