| File name: | rex.exe |
| Full analysis: | https://app.any.run/tasks/edf38744-e667-4d04-95d6-a80b8b733586 |
| 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 18, 2024, 17:39:18 |
| 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: | D3BAD878EFBFDB0668184036A29A2FE4 |
| SHA1: | 5F28C08812B0B53E6643E0F38BED31CD0841797C |
| SHA256: | 8E2979BD5D88BFC0AE2DA67529B71D5464967FA3C90699B5EEFE19578E46C647 |
| SSDEEP: | 1536:gjkymVCQpjBVqT6uhwYLlEvbqpQSIPh3mwpeOJMVI:rXDYL6bqVrwkOJMK |
MALICIOUS
No malicious indicators.SUSPICIOUS
Executes application which crashes
- rex.exe (PID: 6572)
Checks for external IP
- rex.exe (PID: 6572)
- svchost.exe (PID: 2172)
INFO
Reads the machine GUID from the registry
- rex.exe (PID: 6572)
Disables trace logs
- rex.exe (PID: 6572)
Checks supported languages
- rex.exe (PID: 6572)
Checks proxy server information
- rex.exe (PID: 6572)
Reads Environment values
- rex.exe (PID: 6572)
Reads the computer name
- rex.exe (PID: 6572)
Sends debugging messages
- rex.exe (PID: 6572)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
XWorm
(PID) Process(6572) rex.exe
C223.ip.gl.ply.gg:26790
Keys
AES<123456789>
Options
Splitter<Xwormmm>
Sleep time3
USB drop namerex
MutexOKyOQkfgy4ZukR4c
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: | 2024:10:18 13:42:44+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 66048 |
| InitializedDataSize: | 3584 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x120be |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| FileDescription: | |
| FileVersion: | 1.0.0.0 |
| InternalName: | rex.exe |
| LegalCopyright: | |
| OriginalFileName: | rex.exe |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
134
Monitored processes
5
Malicious processes
0
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2172 | 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
| |||||||||||||||
| 6288 | C:\WINDOWS\system32\WerFault.exe -u -p 6572 -s 1808 | C:\Windows\System32\WerFault.exe | rex.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6572 | "C:\Users\admin\AppData\Local\Temp\rex.exe" | C:\Users\admin\AppData\Local\Temp\rex.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Exit code: 2148734499 Version: 1.0.0.0 Modules
XWorm(PID) Process(6572) rex.exe C223.ip.gl.ply.gg:26790 Keys AES<123456789> Options Splitter<Xwormmm> Sleep time3 USB drop namerex MutexOKyOQkfgy4ZukR4c | |||||||||||||||
| 6660 | 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
| |||||||||||||||
| 6880 | "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
| |||||||||||||||
Total events
2 083
Read events
2 069
Write events
14
Delete events
0
Modification events
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASAPI32 |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASAPI32 |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASAPI32 |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASAPI32 |
| Operation: | write | Name: | FileTracingMask |
Value: | |||
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASAPI32 |
| Operation: | write | Name: | ConsoleTracingMask |
Value: | |||
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASAPI32 |
| Operation: | write | Name: | MaxFileSize |
Value: 1048576 | |||
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASAPI32 |
| Operation: | write | Name: | FileDirectory |
Value: %windir%\tracing | |||
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASMANCS |
| Operation: | write | Name: | EnableFileTracing |
Value: 0 | |||
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASMANCS |
| Operation: | write | Name: | EnableAutoFileTracing |
Value: 0 | |||
| (PID) Process: | (6572) rex.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Tracing\rex_RASMANCS |
| Operation: | write | Name: | EnableConsoleTracing |
Value: 0 | |||
Executable files
0
Suspicious files
5
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6288 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\ReportArchive\AppCrash_rex.exe_4f6d1ccf4d16d59ccb2c1849fdf942a179d95f_849472cb_72cafc6c-831b-4998-a4ca-5240e5201fd4\Report.wer | — | |
MD5:— | SHA256:— | |||
| 6288 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\rex.exe.6572.dmp | — | |
MD5:— | SHA256:— | |||
| 6288 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\21253908F3CB05D51B1C2DA8B681A785 | der | |
MD5:1B7FD5177461034E4086724C5845E927 | SHA256:065AF18C229898A1C2A8D989911ADCD9B1E2AB14B1953EBF8EAF34AE37EA1627 | |||
| 6288 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\37C951188967C8EB88D99893D9D191FE | der | |
MD5:F0CF5B1794ECA7CD73F9C020DAAB8EF2 | SHA256:2AF00EDCE7EF3266897E52DC81E8DE3B7A079028C0F1F96EAFF9E38AD342F617 | |||
| 6288 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WERAB2.tmp.dmp | binary | |
MD5:059C23E25A2C6A588789234306A44634 | SHA256:5E1F71FC3A7676281BA5329AE5AC2002F9A4E0FDF062FE741BB0BF3EFEA8D5D0 | |||
| 6288 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\21253908F3CB05D51B1C2DA8B681A785 | binary | |
MD5:1037D5E82F02A46B05ADA617BD7B7974 | SHA256:C4349E38E2910B7E461D0448D1CDAFE0DFDFE875428EED0E07B4A7FF6B1B821B | |||
| 6288 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER161E.tmp.xml | xml | |
MD5:B3815A3ED2DDAB84644521097F1581EE | SHA256:B44AE95254EE2952A25D5168EB882C6145745704B6E661DD0259D525FA7B6FBC | |||
| 6288 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER15DE.tmp.WERInternalMetadata.xml | xml | |
MD5:8A261DCB430D144A846932C2B22E36C5 | SHA256:36E3499FC71A85E499356B6A20B464742E8F8F84895C56E2B6A9B322F3CDFA6D | |||
| 6288 | WerFault.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\37C951188967C8EB88D99893D9D191FE | binary | |
MD5:1488C9FDBF32966E616DF1E29F392AB6 | SHA256:C8E69621AC47749072F33DCA4EA1C52A5FB73935F62C45B7A1CAC94B6BD681A1 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
10
TCP/UDP connections
68
DNS requests
26
Threats
4
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4360 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
— | — | GET | 200 | 2.16.164.120:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4700 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6572 | rex.exe | GET | 200 | 208.95.112.1:80 | http://ip-api.com/line/?fields=hosting | unknown | — | — | shared |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
6288 | WerFault.exe | GET | 200 | 2.16.164.120:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6288 | WerFault.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6044 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | 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 |
|---|---|---|---|---|---|---|
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 2.16.164.120:80 | crl.microsoft.com | Akamai International B.V. | NL | whitelisted |
— | — | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4360 | SearchApp.exe | 2.23.209.177:443 | www.bing.com | Akamai International B.V. | GB | whitelisted |
4700 | svchost.exe | 40.126.31.67:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4360 | SearchApp.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
login.live.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
ip-api.com |
| shared |
th.bing.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2172 | svchost.exe | Device Retrieving External IP Address Detected | INFO [ANY.RUN] External IP Check (ip-api .com) |
2172 | svchost.exe | Device Retrieving External IP Address Detected | ET INFO External IP Lookup Domain in DNS Lookup (ip-api .com) |
6572 | rex.exe | Device Retrieving External IP Address Detected | POLICY [ANY.RUN] External Hosting Lookup by ip-api |
6572 | rex.exe | Device Retrieving External IP Address Detected | ET POLICY External IP Lookup ip-api.com |
Process | Message |
|---|---|
rex.exe | CLR: Managed code called FailFast without specifying a reason.
|