Analysis

  • max time kernel
    13s
  • max time network
    19s
  • platform
    windows7_x64
  • resource
    win7-20241010-en
  • resource tags

    arch:x64arch:x86image:win7-20241010-enlocale:en-usos:windows7-x64system
  • submitted
    03/03/2025, 19:06

General

  • Target

    Realtek HD Audio Universal Service.exe

  • Size

    53KB

  • MD5

    ce3e5f8613ea049b651549eba3e3aa28

  • SHA1

    1197375be314ae5a69f3b742f0f539b881aca09a

  • SHA256

    9385116a4a3874548ffa027f4cd448d860ef8dc13fc687ce87790a01ede8e73a

  • SHA512

    ab1428177b5ec71447003ac01f5f99d9c7f2af634f17ef53d6f6be196714faac856b0bc3f62b6fad9975dad970ec247d35f56615c62b9ad483426f4ecaae71c2

  • SSDEEP

    768:/63AQe9cfNbv5s7Xol68y+JN/Db3dLPowu7aR6vaTOouhIZqklm:/WAQbdvoolZJ9b3dLPoCR68OnkZ8

Score
10/10

Malware Config

Extracted

Family

xworm

C2

147.185.221.23:58112

Attributes
  • Install_directory

    %AppData%

  • install_file

    Realtek HD Audio Universal Service.exe

Signatures

  • Detect Xworm Payload 1 IoCs
  • Xworm

    Xworm is a remote access trojan written in C#.

  • Xworm family
  • Looks up external IP address via web service 1 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 1 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe
    "C:\Users\Admin\AppData\Local\Temp\Realtek HD Audio Universal Service.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    PID:2304

Network

MITRE ATT&CK Matrix

Replay Monitor

Loading Replay Monitor...

Downloads

  • memory/2304-0-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp

    Filesize

    4KB

  • memory/2304-1-0x0000000000090000-0x00000000000A4000-memory.dmp

    Filesize

    80KB

  • memory/2304-2-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

    Filesize

    9.9MB

  • memory/2304-3-0x000007FEF5F03000-0x000007FEF5F04000-memory.dmp

    Filesize

    4KB

  • memory/2304-4-0x000007FEF5F00000-0x000007FEF68EC000-memory.dmp

    Filesize

    9.9MB