Analysis

  • max time kernel
    146s
  • max time network
    152s
  • platform
    windows11-21h2_x64
  • resource
    win11-20240709-en
  • resource tags

    arch:x64arch:x86image:win11-20240709-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    22-07-2024 15:11

General

  • Target

    RobloxBetaPlayer2.0.exe

  • Size

    117KB

  • MD5

    b8eaccd62fe739703659570be7a1f8c5

  • SHA1

    82ef334ea8b4ee9948f3c77894f721cadf823fd4

  • SHA256

    e7beaecc76632a2ce20f416959ea63e2d8b7b5f718cffeb17958978026d9b32f

  • SHA512

    3438051927b381e28b13271d256742187cab5a156268edbb7ebe8ede491cffa5bcc7cc1ec1e8c1fade791b34711db8ac5db7a65ef79b5fe8a4ca46ca481201b1

  • SSDEEP

    3072:0BaB5gDK8LubqytBZC4OaRq1HI+uM8eoWJd:0i+ibqyFCVF2

Malware Config

Extracted

Family

xworm

C2

127.0.0.1:12550

2.tcp.eu.ngrok.io:12550

localhost:12550

Attributes
  • Install_directory

    %AppData%

  • install_file

    Roblox2.0_Service.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Drops startup file 2 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
  • Looks up external IP address via web service 1 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Enumerates physical storage devices 1 TTPs

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

  • Suspicious behavior: EnumeratesProcesses 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of SetWindowsHookEx 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\RobloxBetaPlayer2.0.exe
    "C:\Users\Admin\AppData\Local\Temp\RobloxBetaPlayer2.0.exe"
    1⤵
    • Drops startup file
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    PID:1572

Network

MITRE ATT&CK Enterprise v15

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/1572-0-0x00007FF9C7493000-0x00007FF9C7495000-memory.dmp

    Filesize

    8KB

  • memory/1572-1-0x0000000000800000-0x0000000000822000-memory.dmp

    Filesize

    136KB

  • memory/1572-2-0x00007FF9C7490000-0x00007FF9C7F52000-memory.dmp

    Filesize

    10.8MB

  • memory/1572-7-0x00007FF9C7493000-0x00007FF9C7495000-memory.dmp

    Filesize

    8KB

  • memory/1572-8-0x00007FF9C7490000-0x00007FF9C7F52000-memory.dmp

    Filesize

    10.8MB