Analysis

  • max time kernel
    46s
  • max time network
    62s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20231127-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20231127-enlocale:en-usos:windows10-2004-x64system
  • submitted
    02-12-2023 18:10

General

  • Target

    Electron.exe

  • Size

    3.2MB

  • MD5

    5dd7500f21add8f9bc322529a35cb55f

  • SHA1

    b12eec8fdf6224f65e27fb9d9b06dc4375e1b37b

  • SHA256

    48d2d3e579bbcddda54aa5bd48197b179ca7b75018d05ce12ff3cf9e7b78e40e

  • SHA512

    dfbbb5b026e46dd5569814f6e8558678808bf9d4d7c8d4949f8943bb7eb92ecea8f2abfc0f9f2becdd0d2f04b61000262f20e2af87a11e3fc8d4931879633e3b

  • SSDEEP

    98304:/veL26AaNeWgPhlmVqkQ7XSKB3OzLRCL:3e4SlPgL

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

limehag920-33288.portmap.host:33288

Mutex

9818b060-d6e3-4e48-b21e-c9ef7bc65511

Attributes
  • encryption_key

    E97F64327412A3864CF0B0BE4A85415B949C39AD

  • 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 payload 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of FindShellTrayWindow 3 IoCs
  • Suspicious use of SendNotifyMessage 3 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Electron.exe
    "C:\Users\Admin\AppData\Local\Temp\Electron.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SendNotifyMessage
    • Suspicious use of SetWindowsHookEx
    PID:2328

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2328-0-0x00000000005A0000-0x00000000008D4000-memory.dmp

    Filesize

    3.2MB

  • memory/2328-1-0x00007FF8F3590000-0x00007FF8F4051000-memory.dmp

    Filesize

    10.8MB

  • memory/2328-2-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB

  • memory/2328-3-0x000000001BC90000-0x000000001BCE0000-memory.dmp

    Filesize

    320KB

  • memory/2328-4-0x000000001BDA0000-0x000000001BE52000-memory.dmp

    Filesize

    712KB

  • memory/2328-5-0x000000001BD20000-0x000000001BD32000-memory.dmp

    Filesize

    72KB

  • memory/2328-6-0x000000001C6A0000-0x000000001C6DC000-memory.dmp

    Filesize

    240KB

  • memory/2328-7-0x00007FF8F3590000-0x00007FF8F4051000-memory.dmp

    Filesize

    10.8MB

  • memory/2328-8-0x0000000000F80000-0x0000000000F90000-memory.dmp

    Filesize

    64KB