Analysis

  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240508-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240508-enlocale:en-usos:windows10-2004-x64system
  • submitted
    26-05-2024 11:11

General

  • Target

    10dfcd3ab03dcecb05d6f4b28dbd7a4070341783b8f5453b9af3bc6b9b77a104.exe

  • Size

    3.1MB

  • MD5

    700acd73a0f2f3e9372fe0e60f95576f

  • SHA1

    efc3b03207b3e5a999d772fd7c11fb5b69977ebc

  • SHA256

    10dfcd3ab03dcecb05d6f4b28dbd7a4070341783b8f5453b9af3bc6b9b77a104

  • SHA512

    a390e1b463d658beb17d9bc21e9e77f00e1dbe6dd0fc134ba682343d3a90c5a6535999aebafd1e2bad5bc319fa92072bb5efabff49878bd06d1cfee030a9db75

  • SSDEEP

    49152:3vGlL26AaNeWgPhlmVqvMQ7XSKpJxNESE7k/iTLoGdoPTHHB72eh2NT:3vGL26AaNeWgPhlmVqkQ7XSKHx+f4

Malware Config

Extracted

Family

quasar

Version

1.4.1

Botnet

Office04

C2

bin-inspections.gl.at.ply.gg:64055

Mutex

536deaa9-57d2-448a-ae01-b604426d7fa6

Attributes
  • encryption_key

    DBB529B3F56F6D23695F8D7AC9BA28484A0D6D0F

  • 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 SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\10dfcd3ab03dcecb05d6f4b28dbd7a4070341783b8f5453b9af3bc6b9b77a104.exe
    "C:\Users\Admin\AppData\Local\Temp\10dfcd3ab03dcecb05d6f4b28dbd7a4070341783b8f5453b9af3bc6b9b77a104.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:904

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/904-0-0x00007FFF67033000-0x00007FFF67035000-memory.dmp

    Filesize

    8KB

  • memory/904-1-0x0000000000960000-0x0000000000C84000-memory.dmp

    Filesize

    3.1MB

  • memory/904-2-0x00007FFF67030000-0x00007FFF67AF1000-memory.dmp

    Filesize

    10.8MB

  • memory/904-3-0x000000001D400000-0x000000001D450000-memory.dmp

    Filesize

    320KB

  • memory/904-4-0x000000001D510000-0x000000001D5C2000-memory.dmp

    Filesize

    712KB

  • memory/904-7-0x000000001D450000-0x000000001D462000-memory.dmp

    Filesize

    72KB

  • memory/904-8-0x000000001D4B0000-0x000000001D4EC000-memory.dmp

    Filesize

    240KB

  • memory/904-9-0x00007FFF67033000-0x00007FFF67035000-memory.dmp

    Filesize

    8KB

  • memory/904-10-0x00007FFF67030000-0x00007FFF67AF1000-memory.dmp

    Filesize

    10.8MB