Extracted

• • Target

    Loader.exe

  • Size

    4.6MB

  • MD5

    33f2f30de4bea3826730bfaa1a01186d

  • SHA1

    7ec891eb7eb4ad408c46bdb4ec05860480dd3178

  • SHA256

    71356b2228b9e2da8b805cdda714c160b0d8e410beea629ba32af7f341718295

  • SHA512

    743a611038bcb259f5f7fc5cf3751fa5f9243d0c4e58d678849a57c29a31e2ea3733f08e0b1973e35cdd14093eb87524f94516d1be8ff0cfc8d6b40310339fa9

  • SSDEEP

    98304:cFVR1FwhUEYVa02weZZuISA12HsTYtXztHfBu3fOv:0VRQhfYVHUZuVp9zZBuW

  Score

  10^/10

  xwormdefense_evasiondiscoveryexecutionratthemidatrojanpersistence

  • Detect Xworm Payload

  • Modifies security service

    defense_evasion

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Identifies VirtualBox via ACPI registry values (likely anti-VM)

    defense_evasion

  • 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.

  • Drops startup file

  • Executes dropped EXE

  • Loads dropped DLL

  • Themida packer

    Detects Themida, an advanced Windows software protection system.

    themida

  • Adds Run key to start application

    persistence

  • Checks whether UAC is enabled

    defense_evasiontrojan

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Legitimate hosting services abused for malware hosting/C2

  • Drops file in System32 directory

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  • Suspicious use of SetThreadContext

  behavioral1behavioral2