Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20241007-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system
  • submitted
    31-12-2024 05:12

General

  • Target

    3de40ead93a0a5496ece6e2654e98a6bcc8726ed49140fa1617e7826c2677d2c.exe

  • Size

    3.1MB

  • MD5

    30318dd92dbd04bb0f1db21a3338fbae

  • SHA1

    91020c6dd24df7f12474b3beef76c856f1bc7da0

  • SHA256

    3de40ead93a0a5496ece6e2654e98a6bcc8726ed49140fa1617e7826c2677d2c

  • SHA512

    bd1a89712e110406d667f413d640ed93ace4718829c2283eff142c2b613e8924b15359da5c3b88ab04a1709e4804ed0a41f9b2be78d048f8ea3b605c78644b7f

  • SSDEEP

    49152:evfI22SsaNYfdPBldt698dBcjHQz7zXWoGd8THHB72eh2NT:evw22SsaNYfdPBldt6+dBcjHQz7zm

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

System

C2

69.197.148.207:443

Mutex

9cc5b719-be0e-4bb6-89bb-6071f352b863

Attributes
  • encryption_key

    C2616A2D0BE1535F66DDC59B1CDFF9B8110D67CE

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    Quasar Client Startup

  • subdirectory

    SubDir

Signatures

  • Quasar RAT

    Quasar is an open source Remote Access Tool.

  • Quasar family
  • Quasar payload 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\3de40ead93a0a5496ece6e2654e98a6bcc8726ed49140fa1617e7826c2677d2c.exe
    "C:\Users\Admin\AppData\Local\Temp\3de40ead93a0a5496ece6e2654e98a6bcc8726ed49140fa1617e7826c2677d2c.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:4544

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/4544-0-0x00007FFCCB7F3000-0x00007FFCCB7F5000-memory.dmp

    Filesize

    8KB

  • memory/4544-1-0x0000000000260000-0x0000000000584000-memory.dmp

    Filesize

    3.1MB

  • memory/4544-2-0x00007FFCCB7F0000-0x00007FFCCC2B1000-memory.dmp

    Filesize

    10.8MB

  • memory/4544-3-0x000000001BD90000-0x000000001BDE0000-memory.dmp

    Filesize

    320KB

  • memory/4544-4-0x000000001BEA0000-0x000000001BF52000-memory.dmp

    Filesize

    712KB

  • memory/4544-5-0x00007FFCCB7F3000-0x00007FFCCB7F5000-memory.dmp

    Filesize

    8KB

  • memory/4544-6-0x00007FFCCB7F0000-0x00007FFCCC2B1000-memory.dmp

    Filesize

    10.8MB