Extracted

• • Target

    NIXWARE.exe

  • Size

    38.0MB

  • MD5

    e32bf2403b3999a4c6274e7a33e6e950

  • SHA1

    8127410db371bbbddec6e9c5a328abf7af799648

  • SHA256

    737d5090579a24eab54f93d5aac4db006cd480a021866f384a9ba71c864a9d24

  • SHA512

    0c0129ce761a0241315264ca2ee07fef0d7b47e87290342110da94c6f8a19a2c0bd29bdc6e3a3ab19fbc2d2108e5776f278c4911fbc63bb67eaa5d294cb2f40b

  • SSDEEP

    786432:+GCUb18lLdg8ADGOlEaoPvuMMXU2o3SIkDhSdKqlH7R32AsKpDW800m70T+eU:+fTlRgPHIPvuMwUp3SVMpHldxM80n7Q+

  Score

  10^/10

  xwormdefense_evasionexecutionpersistencerattrojanupxdiscovery

  • Detect Xworm Payload

  • Modifies security service

    defense_evasion

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Creates new service(s)

    persistenceexecution

  • Sets service image path in registry

    persistence

  • Stops running service(s)

    defense_evasionexecution

  • Checks BIOS information in registry

    BIOS information is often read in order to detect sandboxing environments.

  • Checks computer location settings

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

  • Executes dropped EXE

  • Indicator Removal: Clear Windows Event Logs

    Clear Windows Event Logs to hide the activity of an intrusion.

    defense_evasion

  • Loads dropped DLL

  • Legitimate hosting services abused for malware hosting/C2

  • Looks up external IP address via web service

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

  • Power Settings

    powercfg controls all configurable power system settings on a Windows system and can be abused to prevent an infected host from locking or shutting down.

    persistence

  • Drops file in System32 directory

  • Enumerates processes with tasklist

    discovery

  • Suspicious use of SetThreadContext

  • UPX packed file

    Detects executables packed with UPX/modified UPX open source packer.

    upx
  behavioral1behavioral2