Overview

overview

10

Static

static

10

2024-02-06...at.exe

windows7-x64

10

2024-02-06...at.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    2024-02-06_c52548ea62ad228bc675b6e459c449c2_icedid_xrat
  • Size 4.6MB
  • Sample240206-brrfkacbc5
  • SHA256 c5b4397f909ce58780bf0f79b76838eb7a83b2f31c04428db4e420518ba63c83
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • frp.deitie.asia:5555

Mutex

  • b827dda2-f30e-4465-be3c-2f1d6a93d4a7

Attributes
  • encryption_key

    465C04B3B0E08D663A071A4F330370E7A7DAD7A4

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Targets

    • Target
      2024-02-06_c52548ea62ad228bc675b6e459c449c2_icedid_xrat
    • Size 4.6MB
    • SHA256 c5b4397f909ce58780bf0f79b76838eb7a83b2f31c04428db4e420518ba63c83
    • 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

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v15

Tasks