Analysis

  • max time kernel
    94s
  • max time network
    141s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240802-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system
  • submitted
    11/09/2024, 13:55

General

  • Target
    057af395fc58d45f7cadc9b76fc5a994847d3df7ab3e29ee0bdc9061a31b0dcf.exe
  • Size 477KB
  • Sample240911-q79dmsvakf
  • SHA256 057af395fc58d45f7cadc9b76fc5a994847d3df7ab3e29ee0bdc9061a31b0dcf
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Family
  • quasar

Version
  • 1.0.0

Botnet
  • Default

C2
  • 134.122.134.39:3955

Mutex
  • 27007a99-bed3-4cf8-ad06-b04d7dcd7cd7

Attributes
  • encryption_key

    77874C87B19D6F969E351806DFEE254A4CDB1F4C

  • install_name

    Client.exe

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    EchoRAT 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 3 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\057af395fc58d45f7cadc9b76fc5a994847d3df7ab3e29ee0bdc9061a31b0dcf.exe
    "C:\Users\Admin\AppData\Local\Temp\057af395fc58d45f7cadc9b76fc5a994847d3df7ab3e29ee0bdc9061a31b0dcf.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:2820

Network

        MITRE ATT&CK Matrix

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        memory/2820-0-0x00007FFE65093000-0x00007FFE65095000-memory.dmp

        memory/2820-1-0x00000000002B0000-0x000000000032E000-memory.dmp

        memory/2820-2-0x00007FFE65090000-0x00007FFE65B51000-memory.dmp

        memory/2820-3-0x000000001B0C0000-0x000000001B110000-memory.dmp

        memory/2820-4-0x000000001CB50000-0x000000001CC02000-memory.dmp

        memory/2820-5-0x000000001D340000-0x000000001D868000-memory.dmp

        memory/2820-8-0x000000001CAF0000-0x000000001CB02000-memory.dmp

        memory/2820-9-0x000000001DCB0000-0x000000001DCEC000-memory.dmp

        memory/2820-10-0x00007FFE65093000-0x00007FFE65095000-memory.dmp

        memory/2820-11-0x00007FFE65090000-0x00007FFE65B51000-memory.dmp