Overview

overview

10

Static

static

10

2024-06-24...at.exe

windows7-x64

10

2024-06-24...at.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    2024-06-24_c8015ef5fd4928a90e064f2ef5aebc97_icedid_poet-rat_quasar-rat_xrat
  • Size 4.0MB
  • Sample240624-kzwvpathqb
  • SHA256 97787cbf8314dfd67bbb56e12489e8900022b3c31565b275f479bcaa9b9e7557
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • mx5.deitie.asia:4495

Mutex

  • ebbf737a-dddd-43dd-9b0a-74831302455d

Attributes
  • encryption_key

    F8516D89A1DFD78BD8FF575BBC3AE828B47FF0E1

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      2024-06-24_c8015ef5fd4928a90e064f2ef5aebc97_icedid_poet-rat_quasar-rat_xrat
    • Size 4.0MB
    • SHA256 97787cbf8314dfd67bbb56e12489e8900022b3c31565b275f479bcaa9b9e7557
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    quasaroffice04spywaretrojan

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar payload

    • Detects Windows executables referencing non-Windows User-Agents

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables containing common artifacts observed in infostealers

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks