| File name: | KRX Client.exe |
| Full analysis: | https://app.any.run/tasks/db9dbc21-da75-4618-a488-5d4d12c37367 |
| Verdict: | Malicious activity |
| Threats: | XWorm is a remote access trojan (RAT) sold as a malware-as-a-service. It possesses an extensive hacking toolset and is capable of gathering private information and files from the infected computer, hijacking MetaMask and Telegram accounts, and tracking user activity. XWorm is typically delivered to victims' computers through multi-stage attacks that start with phishing emails. |
| Analysis date: | October 03, 2024, 10:57:28 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 551596089FF83EF3E831F1DE109F0968 |
| SHA1: | A4D32DA55E256DAC3EB6D495D0629C2EE6753309 |
| SHA256: | 7796F1F4B33C94BE37B08A5E37CFAAAB15DA89D7E2BDD98027FBE6197A9B37DF |
| SSDEEP: | 1536:9qiJt4Ggls1jlb4fYOwh2d6SCcO9sl5SswBQoZMItJM6LSkEh3aHzD3Bbg4gBsm:zkXMlb4fYIBO9szGBQOTzLSkEheMh |
MALICIOUS
XWORM has been detected (YARA)
- KRX Client.exe (PID: 6572)
Uses Task Scheduler to run other applications
- KRX Client.exe (PID: 6572)
XWORM has been detected (SURICATA)
- KRX Client.exe (PID: 6572)
Connects to the CnC server
- KRX Client.exe (PID: 6572)
SUSPICIOUS
Executable content was dropped or overwritten
- KRX Client.exe (PID: 6572)
The process creates files with name similar to system file names
- KRX Client.exe (PID: 6572)
Checks for external IP
- KRX Client.exe (PID: 6572)
- svchost.exe (PID: 2256)
Contacting a server suspected of hosting an CnC
- KRX Client.exe (PID: 6572)
Connects to unusual port
- KRX Client.exe (PID: 6572)
The process executes via Task Scheduler
- svchost.exe (PID: 2192)
- svchost.exe (PID: 2524)
INFO
Checks supported languages
- KRX Client.exe (PID: 6572)
Reads Environment values
- KRX Client.exe (PID: 6572)
Reads the computer name
- KRX Client.exe (PID: 6572)
Reads the machine GUID from the registry
- KRX Client.exe (PID: 6572)
Checks proxy server information
- KRX Client.exe (PID: 6572)
Disables trace logs
- KRX Client.exe (PID: 6572)
Creates files or folders in the user directory
- KRX Client.exe (PID: 6572)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
XWorm
(PID) Process(6572) KRX Client.exe
C223.ip.gl.ply.gg:3315
Keys
AES<123456789>
Options
Splitter<Xwormmm>
Sleep time3
USB drop nameXWorm V5.6
MutexbOJCr2ZaCkCbYQPN
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (56.7) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (21.3) |
| .scr | | | Windows screen saver (10.1) |
| .dll | | | Win32 Dynamic Link Library (generic) (5) |
| .exe | | | Win32 Executable (generic) (3.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:10:03 08:14:41+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 79360 |
| InitializedDataSize: | 33280 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1559e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 0.0.0.0 |
| ProductVersionNumber: | 0.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| FileDescription: | |
| FileVersion: | 0.0.0.0 |
| InternalName: | XClient.exe |
| LegalCopyright: | |
| OriginalFileName: | XClient.exe |
| ProductVersion: | 0.0.0.0 |
| AssemblyVersion: | 0.0.0.0 |
Total processes
137
Monitored processes
9
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1636 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2192 | "C:\Users\admin\AppData\Roaming\svchost.exe" | C:\Users\admin\AppData\Roaming\svchost.exe | — | svchost.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 0.0.0.0 Modules
| |||||||||||||||
| 2256 | C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2524 | "C:\Users\admin\AppData\Roaming\svchost.exe" | C:\Users\admin\AppData\Roaming\svchost.exe | — | svchost.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 0 Version: 0.0.0.0 Modules
| |||||||||||||||
| 2804 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | SppExtComObj.Exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6200 | "C:\Windows\System32\schtasks.exe" /create /f /sc minute /mo 1 /tn "svchost" /tr "C:\Users\admin\AppData\Roaming\svchost.exe" | C:\Windows\System32\schtasks.exe | — | KRX Client.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6488 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6572 | "C:\Users\admin\AppData\Local\Temp\KRX Client.exe" | C:\Users\admin\AppData\Local\Temp\KRX Client.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Version: 0.0.0.0 Modules
XWorm(PID) Process(6572) KRX Client.exe C223.ip.gl.ply.gg:3315 Keys AES<123456789> Options Splitter<Xwormmm> Sleep time3 USB drop nameXWorm V5.6 MutexbOJCr2ZaCkCbYQPN | |||||||||||||||
| 7016 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | schtasks.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
2 549
Read events
2 534
Write events
15
Delete events
0
Modification events
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6572) KRX Client.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\KRX Client_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
Executable files
1
Suspicious files
1
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6572 | KRX Client.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\Startup\svchost.lnk | lnk | |
MD5:F16527EB04091A265DD8C6C9B0CEB569 | SHA256:13486D0F37FC6357A613B0857291FB30F7AEFA4D05550FFA300358B6D7CA6289 | |||
| 6572 | KRX Client.exe | C:\Users\admin\AppData\Roaming\svchost.exe | executable | |
MD5:551596089FF83EF3E831F1DE109F0968 | SHA256:7796F1F4B33C94BE37B08A5E37CFAAAB15DA89D7E2BDD98027FBE6197A9B37DF | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
8
TCP/UDP connections
52
DNS requests
20
Threats
35
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6728 | svchost.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6572 | KRX Client.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/line/?fields=hosting | unknown | — | — | shared |
2120 | MoUsoCoreWorker.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5336 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
5588 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
3832 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
1556 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
3832 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
6868 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3888 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
6728 | svchost.exe | 23.52.120.96:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2120 | MoUsoCoreWorker.exe | 23.52.120.96:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
6572 | KRX Client.exe | 208.95.112.1:80 | ip-api.com | TUT-AS | US | shared |
5588 | svchost.exe | 20.190.159.75:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5588 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
3260 | svchost.exe | 40.113.103.199:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
ip-api.com |
| shared |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
browser.pipe.aria.microsoft.com |
| whitelisted |
23.ip.gl.ply.gg |
| malicious |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2256 | svchost.exe | Device Retrieving External IP Address Detected | INFO [ANY.RUN] External IP Check (ip-api .com) |
2256 | svchost.exe | Device Retrieving External IP Address Detected | ET INFO External IP Lookup Domain in DNS Lookup (ip-api .com) |
6572 | KRX Client.exe | Device Retrieving External IP Address Detected | POLICY [ANY.RUN] External Hosting Lookup by ip-api |
6572 | KRX Client.exe | Device Retrieving External IP Address Detected | ET POLICY External IP Lookup ip-api.com |
2256 | svchost.exe | Misc activity | ET INFO Tunneling Service in DNS Lookup (* .ply .gg) |
6572 | KRX Client.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] Xworm TCP Packet |
29 ETPRO signatures available at the full report