Extracted

• • Target

    Steam.exe

  • Size

    51KB

  • MD5

    eb794f3819b32c9fbc747309bb04cd68

  • SHA1

    a6c24bfb6c2ea4cdf10f0f54c0a4e8ac0380beb3

  • SHA256

    e8fd34b40b83391a855905620e4beeb153d256df196b063bc7845d747f1e7d67

  • SHA512

    0b6cf31c799513b4e0f5ac21180cc7a26451fc54504f03ace353a5a8c598885c594b3375e990ac442e08ffaa1f3e9692cbf6dfb8c035b4380497cefd57288aaf

  • SSDEEP

    768:juMMmVn76G3rspEacCIQgttZX+2V2ltnq7oTmggkbm1t+tuXSWCalOIhu//t/:SMDnv7sKEIHLXyBqCmjkbmn/weOImF/

  Score

  10^/10

  xwormdiscoveryrattrojanexecutionpersistence

  • Detect Xworm Payload

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Blocklisted process makes network request

  • Command and Scripting Interpreter: PowerShell

    Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    execution

  • Checks computer location settings

    Looks up country code configured in the registry, likely geofence.

  • Drops startup file

  • Executes dropped EXE

  • Adds Run key to start application

    persistence

  • Looks up external IP address via web service

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

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2behavioral3behavioral4