Resubmissions

28/03/2026, 19:38

260328-ych7zahs2t10

28/03/2026, 18:46

260328-xek9nsgv3z10

General

  • Target
    XWormClient.exe
  • Size 39KB
  • Sample260328-xek9nsgv3z
  • SHA256 d8289301921c404b25885c88aa6b72a07ede4bfa8292e718131c43f8fad737b1
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • RATTEDNIGGERS-60092.portmap.host:60092

Mutex
  • qReyL4ArUdTUEIFU

Attributes
  • Install_directory

    %AppData%

  • install_file

    XWormClient.exe

aes.plain

Targets

    • Target
      XWormClient.exe
    • Size 39KB
    • SHA256 d8289301921c404b25885c88aa6b72a07ede4bfa8292e718131c43f8fad737b1
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Detects DonutLoader

    • DonutLoader

      DonutLoader is a position-independent code that enables in-memory execution of VBScript, JScript, EXE, DLL files and dotNET assemblies.

    • Donutloader family

    • Suspicious use of NtCreateProcessExOtherParentProcess

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Boot or Logon Autostart Execution: Active Setup

      Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Indicator Removal: Clear Windows Event Logs

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

    • Adds Run key to start application

    • Enumerates connected drives

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks