| File name: | Windows Tasks Service.rar |
| Full analysis: | https://app.any.run/tasks/d57f1364-f889-4b1c-95e8-604c4f6942a1 |
| Verdict: | Malicious activity |
| Threats: | Remote access trojans (RATs) are a type of malware that enables attackers to establish complete to partial control over infected computers. Such malicious programs often have a modular design, offering a wide range of functionalities for conducting illicit activities on compromised systems. Some of the most common features of RATs include access to the users’ data, webcam, and keystrokes. This malware is often distributed through phishing emails and links. |
| Analysis date: | September 04, 2024, 08:37:08 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-rar |
| File info: | RAR archive data, v5 |
| MD5: | D94EC821DC418F2EA2944D503890B056 |
| SHA1: | EA38B589DA95676F91D8CA32A39E22D057AB2642 |
| SHA256: | F842645349F0AC0FEDD024D87628D87402FC590DC5CD15C62989AD59E7ACF936 |
| SSDEEP: | 98304:tNEoTBe02A+OcyQAA9ite0E71p4LeegZEeLAub6wf9/bZCVeVq3XP0tZPUUFLUtf:tCyQk |
MALICIOUS
RMS is detected
- winserv.exe (PID: 2524)
SUSPICIOUS
Reads the date of Windows installation
- winserv.exe (PID: 2524)
Connects to unusual port
- winserv.exe (PID: 2524)
INFO
Executable content was dropped or overwritten
- WinRAR.exe (PID: 6156)
The process uses the downloaded file
- WinRAR.exe (PID: 6156)
Checks supported languages
- winserv.exe (PID: 2524)
Process checks computer location settings
- winserv.exe (PID: 2524)
Manual execution by a user
- winserv.exe (PID: 2524)
- notepad++.exe (PID: 5128)
Reads the computer name
- winserv.exe (PID: 2524)
Reads product name
- winserv.exe (PID: 2524)
Reads Environment values
- winserv.exe (PID: 2524)
Reads Windows Product ID
- winserv.exe (PID: 2524)
Creates files or folders in the user directory
- winserv.exe (PID: 2524)
Reads the machine GUID from the registry
- winserv.exe (PID: 2524)
Reads the software policy settings
- slui.exe (PID: 4576)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .rar | | | RAR compressed archive (v5.0) (61.5) |
|---|---|---|
| .rar | | | RAR compressed archive (gen) (38.4) |
Total processes
134
Monitored processes
7
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2524 | "C:\Users\admin\Desktop\Windows Tasks Service\winserv.exe" | C:\Users\admin\Desktop\Windows Tasks Service\winserv.exe | explorer.exe | ||||||||||||
User: admin Company: tox Integrity Level: MEDIUM Description: System Version: 6.7.0.2 Modules
| |||||||||||||||
| 4540 | C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding | C:\Windows\System32\rundll32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4576 | "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
| |||||||||||||||
| 4688 | 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
| |||||||||||||||
| 5128 | "C:\Program Files\Notepad++\notepad++.exe" "C:\Users\admin\Desktop\Windows Tasks Service\settings.dat" | C:\Program Files\Notepad++\notepad++.exe | explorer.exe | ||||||||||||
User: admin Company: Don HO don.h@free.fr Integrity Level: MEDIUM Description: Notepad++ : a free (GNU) source code editor Exit code: 0 Version: 7.91 Modules
| |||||||||||||||
| 6156 | "C:\Program Files\WinRAR\WinRAR.exe" "C:\Users\admin\Desktop\Windows Tasks Service.rar" | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 6576 | 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
| |||||||||||||||
Total events
8 837
Read events
8 802
Write events
35
Delete events
0
Modification events
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtBMP |
Value: | |||
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface\Themes |
| Operation: | write | Name: | ShellExtIcon |
Value: | |||
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\GoogleChromeEnterpriseBundle64.zip | |||
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\Windows Tasks Service.rar | |||
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\Windows Tasks Service | |||
| (PID) Process: | (6156) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\Interface |
| Operation: | write | Name: | ShowPassword |
Value: 0 | |||
Executable files
1
Suspicious files
1
Text files
7
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5128 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\shortcuts.xml | text | |
MD5:F11D96162BC521F5CF49FFE6B6841C9B | SHA256:BE9AEAEAB5A2E4899BA7E582274BA592C1B9BAF688B340A754B8EF32B23CFA9C | |||
| 5128 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\plugins\config\converter.ini | text | |
MD5:F70F579156C93B097E656CABA577A5C9 | SHA256:B926498A19CA95DC28964B7336E5847107DD3C0F52C85195C135D9DD6CA402D4 | |||
| 5128 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\langs.xml | xml | |
MD5:FE22EC5755BC98988F9656F73B2E6FB8 | SHA256:F972C425CE176E960F6347F1CA2F64A8CE2B95A375C33A03E57538052BA0624D | |||
| 5128 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\stylers.xml | xml | |
MD5:312281C4126FA897EF21A7E8CCB8D495 | SHA256:53B4BE3ED1CFD712E53542B30CFE30C5DB35CC48BE7C57727DFEC26C9E882E90 | |||
| 6156 | WinRAR.exe | C:\Users\admin\Desktop\Windows Tasks Service\winserv.exe | executable | |
MD5:3F4F5A6CB95047FEA6102BD7D2226AA9 | SHA256:99FD9E75E6241EFF30E01C5B59DF9E901FB24D12BEE89C069CC6158F78B3CC98 | |||
| 6156 | WinRAR.exe | C:\Users\admin\Desktop\Windows Tasks Service\settings.dat | binary | |
MD5:0C76256FB66C565841D785CC7B7AB23C | SHA256:7B0F3C349D8EA4839D7C7C00840304CF64B810D2D69E5447156464B77F9CB042 | |||
| 5128 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\config.xml | xml | |
MD5:A2ED875AA42589077C4D08F4F8912018 | SHA256:77B0174D655F327C1FC9520B4F8831ECD82E98351B26BB9C2EDD98FF0CD63A2D | |||
| 5128 | notepad++.exe | C:\Users\admin\AppData\Roaming\Notepad++\session.xml | text | |
MD5:A9F1AD92A17A71FE1525F83C0624EF13 | SHA256:928F6AA6703C15003F779B125D3D61CC54A40A0502654129DDC44BBC3EA5D953 | |||
| 2524 | winserv.exe | C:\Users\admin\AppData\Roaming\RMS_settings\Logs\rms_log_2024-09.html | html | |
MD5:9D2310C9D96567B8F738CD41407BE561 | SHA256:DD052D4C477670FF2C0F578BF6449B4917F196E8D58945D989BFDEB761C93DD4 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
37
DNS requests
16
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5504 | 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 |
5504 | 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 |
1060 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%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 |
|---|---|---|---|---|---|---|
6232 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5644 | RUXIMICS.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2120 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
2120 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3260 | svchost.exe | 40.113.110.67:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1060 | svchost.exe | 20.190.159.71:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1060 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
5504 | SIHClient.exe | 52.165.165.26:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
Threats
Process | Message |
|---|---|
winserv.exe | Error WTSQueryUserToken #1314 |
winserv.exe | 04-09-2024_08:37:46:190#T:Error #20 @2 |
notepad++.exe | VerifyLibrary: C:\Program Files\Notepad++\SciLexer.dll
|
notepad++.exe | VerifyLibrary: certificate revocation checking is disabled
|
notepad++.exe | ED255D9151912E40DF048A56288E969A8D0DAFA3
|
notepad++.exe | VerifyLibrary: C:\Program Files\Notepad++\updater\gup.exe
|
notepad++.exe | VerifyLibrary: certificate revocation checking is disabled
|
notepad++.exe | VerifyLibrary: error while getting certificate informations
|