Overview

overview

10

Static

static

10

XenSero-Built.exe

windows7-x64

10

XenSero-Built.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    XenSero-Built.exe
  • Size 3.1MB
  • Sample240705-16mtcszdle
  • SHA256 88a4a9ff82226d5d78988a8c970910ed0c66025c9b4b0b5f83acbb9337f77562
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 147.185.221.20:9835

  • 147.185.221.20:18563

Mutex

  • f0b11cef-e5ee-4de4-8050-d0e2b1ed200b

Attributes
  • encryption_key

    72276B19006F382DD49891C281A8AE57773E9723

  • install_name

    Update.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Update

  • subdirectory

    Keys

Targets

    • Target
      XenSero-Built.exe
    • Size 3.1MB
    • SHA256 88a4a9ff82226d5d78988a8c970910ed0c66025c9b4b0b5f83acbb9337f77562
    • MD5 SHA1 SHA512 SSDEEP
    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 Enterprise v15

Tasks