Extracted

• • Target

    d.exe

  • Size

    544KB

  • MD5

    b56151bf292ad29645565ae0ce0deb4f

  • SHA1

    0696f25fd3b341f92e2d935e24919cf718ec10de

  • SHA256

    d5c3dfd7f32c222b9c09e74c57ec13e0fbf6e124a1837ee4ae572d575cdd73fb

  • SHA512

    24e9342163abe0fbcb25232b88cbd5018ac4a36f91d75349017af4780a5f7964a17ba639f1652ba702285953898a9234131a89151bb63e5b64239c1dc7ffd23d

  • SSDEEP

    12288:qEIhN458iBIn6k+V95Fw3DTkV1ilKya0FOUuQ0gH+kmtbF6W05EJXp107sdh6f:OhN458iBIn6k+VHYkGTy

  Score

  10^/10

  xwormdefense_evasiondiscoveryexecutionrattrojanbootkitpersistence

  • Detect Xworm Payload

  • Modifies security service

    defense_evasion

  • Suspicious use of NtCreateProcessExOtherParentProcess

  • Suspicious use of NtCreateUserProcessOtherParentProcess

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Xworm family

    xworm

  • Sets service image path in registry

    persistence

  • 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

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Enumerates connected drives

    Attempts to read the root path of hard drives other than the default C: drive.

  • Looks up external IP address via web service

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

  • Writes to the Master Boot Record (MBR)

    Bootkits write to the MBR to gain persistence at a level below the operating system.

    bootkitpersistence

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2