| File name: | RarExt.dll |
| Full analysis: | https://app.any.run/tasks/cd9f5bc7-150f-4abb-9897-9434a07347e6 |
| Verdict: | Malicious activity |
| Analysis date: | May 30, 2025, 15:20:09 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (DLL) (GUI) x86-64, for MS Windows, 5 sections |
| MD5: | EDAF13E10BE1C090796D03789D2C210F |
| SHA1: | D6FB7FE5826F521486C09E66AA79E7F7097A4946 |
| SHA256: | AA86FD3E5756F809B3049C0E49501F632554AD3A5FF66FFCB747668E589D15D5 |
| SSDEEP: | 6144:kOl4oWgRp6+6Y1BvBu1HGEKQpsB6QeBJtgtyOsb6LI0+wBT7WWzTvBc8ulCPZlEK:3nWap6+6Y1BvBu1HG5QpsBvMJtgtyOsE |
MALICIOUS
No malicious indicators.SUSPICIOUS
Starts another process probably with elevated privileges via RUNAS.EXE
- runas.exe (PID: 8068)
Uses RUNDLL32.EXE to load library
- powershell.exe (PID: 7888)
- powershell.exe (PID: 6416)
The system shut down or reboot
- rundll32.exe (PID: 5048)
- rundll32.exe (PID: 6568)
The process executes via Task Scheduler
- PLUGScheduler.exe (PID: 4112)
- PLUGScheduler.exe (PID: 3340)
Executable content was dropped or overwritten
- rundll32.exe (PID: 5048)
- rundll32.exe (PID: 6568)
INFO
Manual execution by a user
- powershell.exe (PID: 7888)
- powershell.exe (PID: 6416)
Checks current location (POWERSHELL)
- powershell.exe (PID: 7888)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:05:30 15:19:08+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware, DLL |
| PEType: | PE32+ |
| LinkerVersion: | 14.43 |
| CodeSize: | 173568 |
| InitializedDataSize: | 62464 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2998c |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
Total processes
372
Monitored processes
16
Malicious processes
0
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3340 | "C:\Program Files\RUXIM\PLUGscheduler.exe" | C:\Program Files\RUXIM\PLUGScheduler.exe | — | svchost.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Update LifeCycle Component Scheduler Exit code: 0 Version: 10.0.19041.3623 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4112 | "C:\Program Files\RUXIM\PLUGscheduler.exe" | C:\Program Files\RUXIM\PLUGScheduler.exe | — | svchost.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Update LifeCycle Component Scheduler Exit code: 0 Version: 10.0.19041.3623 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4212 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4224 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | runas.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
| |||||||||||||||
| 4608 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | shutdown.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5048 | "C:\WINDOWS\system32\rundll32.exe" C:\Users\admin\Desktop\RarExt.dll,SomeExportName | C:\Windows\System32\rundll32.exe | powershell.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5868 | "shutdown" /r /t 0 | C:\Windows\System32\shutdown.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Shutdown and Annotation Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5960 | 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 Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5968 | "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 Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6416 | "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" | C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows PowerShell Exit code: 1073807364 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
11 003
Read events
11 003
Write events
0
Delete events
0
Modification events
Executable files
100
Suspicious files
7
Text files
5
Unknown types
88
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5048 | rundll32.exe | C:\Windows\System32\mfc120esn.dll | executable | |
MD5:EDAF13E10BE1C090796D03789D2C210F | SHA256:AA86FD3E5756F809B3049C0E49501F632554AD3A5FF66FFCB747668E589D15D5 | |||
| 7888 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_ud3vfob4.ulp.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 7888 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\Recent\CustomDestinations\DK9D4L2ZLYSW3UZ7WOCV.temp | binary | |
MD5:D04DED34A5D1BA2B39001F139BC94C96 | SHA256:D369A5E22976F0C2B9EA8F5EF7D8096F2EC429A6F283248E68A6DF5267062142 | |||
| 5048 | rundll32.exe | C:\Windows\System32\mfc120.dll | executable | |
MD5:EDAF13E10BE1C090796D03789D2C210F | SHA256:AA86FD3E5756F809B3049C0E49501F632554AD3A5FF66FFCB747668E589D15D5 | |||
| 5048 | rundll32.exe | C:\Windows\System32\mfc120enu.dll | executable | |
MD5:EDAF13E10BE1C090796D03789D2C210F | SHA256:AA86FD3E5756F809B3049C0E49501F632554AD3A5FF66FFCB747668E589D15D5 | |||
| 7888 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_qnvlayr5.oxx.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 7888 | powershell.exe | C:\Users\admin\AppData\Roaming\Microsoft\Windows\PowerShell\PSReadline\ConsoleHost_history.txt | text | |
MD5:DA15FFF4507169586F3079C8F323CF0C | SHA256:706A01EF5AC959860CA8E3FEE7380CD1A0F8F1BD7D979683BE660E2B4D25D6D5 | |||
| 5048 | rundll32.exe | C:\Windows\System32\mfc120fra.dll | executable | |
MD5:EDAF13E10BE1C090796D03789D2C210F | SHA256:AA86FD3E5756F809B3049C0E49501F632554AD3A5FF66FFCB747668E589D15D5 | |||
| 5048 | rundll32.exe | C:\Windows\System32\mfc120cht.dll | executable | |
MD5:EDAF13E10BE1C090796D03789D2C210F | SHA256:AA86FD3E5756F809B3049C0E49501F632554AD3A5FF66FFCB747668E589D15D5 | |||
| 5048 | rundll32.exe | C:\Windows\System32\concrt140.dll | executable | |
MD5:EDAF13E10BE1C090796D03789D2C210F | SHA256:AA86FD3E5756F809B3049C0E49501F632554AD3A5FF66FFCB747668E589D15D5 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
54
DNS requests
20
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 2.16.168.124:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 95.101.149.131:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.23.77.188:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5780 | svchost.exe | GET | 200 | 104.81.99.218:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
5300 | SearchApp.exe | GET | 200 | 104.81.99.218:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 40.127.240.158:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
— | — | 2.16.168.124:80 | crl.microsoft.com | Akamai International B.V. | RU | whitelisted |
— | — | 95.101.149.131:80 | www.microsoft.com | Akamai International B.V. | NL | whitelisted |
1088 | RUXIMICS.exe | 40.127.240.158:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
7516 | svchost.exe | 40.127.240.158:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6544 | svchost.exe | 40.126.32.134:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 2.23.77.188:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
3216 | svchost.exe | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
officeclient.microsoft.com |
| whitelisted |
ecs.office.com |
| whitelisted |