Overview

overview

10

Static

static

10

Client-built.exe

windows7-x64

10

Client-built.exe

windows10-2004-x64

10

Sharing

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General

  • Target
    Client-built.exe
  • Size 3.1MB
  • Sample240203-xe6klsfhf2
  • SHA256 832714b9029ad815ef3d2cb04ab32613e5683ad8c4ad7442e0797989625891c3
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
quasaroffice04spywaretrojan

Malware Config

Extracted

Family

  • quasar

Version

  • 1.4.1

Botnet

  • Office04

C2

  • 127.0.01:4782

Mutex

  • d0814518-bc52-4b44-817c-1a00ad8f4852

Attributes
  • encryption_key

    A43C9260053F7640121E2118AE584149A3055BCB

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    office

  • subdirectory

    SubDir

Targets

    • Target
      Client-built.exe
    • Size 3.1MB
    • SHA256 832714b9029ad815ef3d2cb04ab32613e5683ad8c4ad7442e0797989625891c3
    • 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