General
-
Target
XWorm.exe
-
Size
248KB
-
Sample
240527-lqwn1agd58
-
MD5
b1534015cbe713e13efc7d016219ad61
-
SHA1
132526e2727cc3ada220c2ece52d5f6e59cc7ca6
-
SHA256
31800ebdfe2ec7b3847c064281aeaec2586cd8e76d88e662364dcee4c5ee45b3
-
SHA512
6422eba622c571fd12de0f3b0cb54b8ba3d3adf804302023b53b9363adb13518f9aa9b4828dd1435d994390a6b7a1f8123dc06d2a44f22a2e12b79e579da00d0
-
SSDEEP
6144:LjuPwi6rXbedD8UhcX7elbKTua9bfF/H9d9n:HuP7JdD83X3u+
Behavioral task
behavioral1
Sample
XWorm.exe
Resource
win7-20231129-en
Malware Config
Extracted
xworm
0.tcp.eu.ngrok.io:10438
-
Install_directory
%AppData%
-
install_file
svhost.exe
Targets
-
-
Target
XWorm.exe
-
Size
248KB
-
MD5
b1534015cbe713e13efc7d016219ad61
-
SHA1
132526e2727cc3ada220c2ece52d5f6e59cc7ca6
-
SHA256
31800ebdfe2ec7b3847c064281aeaec2586cd8e76d88e662364dcee4c5ee45b3
-
SHA512
6422eba622c571fd12de0f3b0cb54b8ba3d3adf804302023b53b9363adb13518f9aa9b4828dd1435d994390a6b7a1f8123dc06d2a44f22a2e12b79e579da00d0
-
SSDEEP
6144:LjuPwi6rXbedD8UhcX7elbKTua9bfF/H9d9n:HuP7JdD83X3u+
-
Detect Xworm Payload
-
Command and Scripting Interpreter: PowerShell
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
-
Sets file execution options in registry
-
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
-
Enumerates connected drives
Attempts to read the root path of hard drives other than the default C: drive.
-
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.
-
Writes to the Master Boot Record (MBR)
Bootkits write to the MBR to gain persistence at a level below the operating system.
-
MITRE ATT&CK Enterprise v15
Persistence
Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Pre-OS Boot
1Bootkit
1Scheduled Task/Job
1Privilege Escalation
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Boot or Logon Autostart Execution
2Registry Run Keys / Startup Folder
2Scheduled Task/Job
1Defense Evasion
Abuse Elevation Control Mechanism
1Bypass User Account Control
1Impair Defenses
1Disable or Modify Tools
1Modify Registry
4Pre-OS Boot
1Bootkit
1