General
- Target XClient.exe
- Size 30KB
- Sample260916-tk1prs1vas
- SHA256 2a56fdd8703e111c685d912ca9c3c5de500c0d8efaf9b774b4cb840f91916f87
- MD5 c28e786009c37409db24cdbddb639e14
- SHA1 1f42e24c509d7bdf6b02073f745c3a5b08b005bc
- SHA512 b18e7f5a5a0f789a8a8a7034044ab082dae2069a87a0f20c462f4909e8e04c86186f65107f95d148ba72b70a88a13c749e1ea674e39ee2519c4590f989842705
- SSDEEP 768:IHZrtxekwo1YETDNAsbBFR9R1kzOqhx5bu:UZr6AAsFFR9R1kzOqj5a
- TLSH T19AD24B4877E58327C6FF2FF229B291010275D507D923EF5E5CD885A76F67A8146003EA
- MD5 SHA1 SHA512 SSDEEP TLSH
Behavioral task
behavioral1
Sample
XClient.exe
Resource
win10v2004-20260911-en
Malware Config
Extracted
-
xworm
-
3.0
-
188.52.56.123:5000
-
u2cUG7ZWVKzCHixq
-
install_file
USB.exe
Targets
-
- Target XClient.exe
- Size 30KB
- SHA256 2a56fdd8703e111c685d912ca9c3c5de500c0d8efaf9b774b4cb840f91916f87
- MD5 c28e786009c37409db24cdbddb639e14
- SHA1 1f42e24c509d7bdf6b02073f745c3a5b08b005bc
- SHA512 b18e7f5a5a0f789a8a8a7034044ab082dae2069a87a0f20c462f4909e8e04c86186f65107f95d148ba72b70a88a13c749e1ea674e39ee2519c4590f989842705
- SSDEEP 768:IHZrtxekwo1YETDNAsbBFR9R1kzOqhx5bu:UZr6AAsFFR9R1kzOqj5a
- TLSH T19AD24B4877E58327C6FF2FF229B291010275D507D923EF5E5CD885A76F67A8146003EA
- MD5 SHA1 SHA512 SSDEEP TLSH
-
Detect Xworm Payload
-
Boot or Logon Autostart Execution: Active Setup
Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.
-
Disables Task Manager via registry modification
-
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
-
Executes dropped EXE
-
Adds Run key to start application
-
Contacts third-party web service commonly abused for C2
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
-
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 v16
Persistence
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1Pre-OS Boot
1Bootkit
1Privilege Escalation
Boot or Logon Autostart Execution
2Active Setup
1Registry Run Keys / Startup Folder
1