Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Resubmissions

06/11/2024, 14:43

241106-r3qamssfkl

06/11/2024, 14:36

241106-ry24mstrdl10

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample241106-ry24mstrdl
  • SHA256 b6a9d5b847a9b36874a2b95dab1b7e3fbe0a9fa0ac0577598b0810bd31798bfb
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • heyhey5577-38424.portmap.host:38424

Mutex

  • 81fe4881-d995-475f-a69c-87b3e84568e5

Attributes
  • encryption_key

    36434604456E6FAC74D069938FAF746337F3F873

  • install_name

    winupdate.exe

  • log_directory

    UpdaterInfo

  • reconnect_delay

    3000

  • startup_key

    winsysupdater

  • subdirectory

    WlNDOWS

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 b6a9d5b847a9b36874a2b95dab1b7e3fbe0a9fa0ac0577598b0810bd31798bfb
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • Executes dropped EXE

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks