Overview

overview

10

Static

static

10

9EEFA45EBC...40.exe

windows7-x64

10

9EEFA45EBC...40.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    9EEFA45EBC884B3B6FA4349D140963700C9F2C2543840.exe
  • Size 3.1MB
  • Sample240121-tglrfaeee5
  • SHA256 9eefa45ebc884b3b6fa4349d140963700c9f2c2543840d965b11c7f815346ab9
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 209.145.59.89:443

Mutex

  • 9d1a4f0d-2ea1-4330-81b0-244a91bf932c

Attributes
  • encryption_key

    B90D9A43F7C3BF3BBA75403410E571B5F80BA7E1

  • install_name

    winboot.exe

  • log_directory

    Logs

  • reconnect_delay

    5000

  • startup_key

    UEFI boot

  • subdirectory

    bootufi

Targets

    • Target
      9EEFA45EBC884B3B6FA4349D140963700C9F2C2543840.exe
    • Size 3.1MB
    • SHA256 9eefa45ebc884b3b6fa4349d140963700c9f2c2543840d965b11c7f815346ab9
    • 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