| File name: | Sigmanly_ecac2344fedf7798bac4093bedc141998a71cc4188ca1561603c2dd67bcebd5e |
| Full analysis: | https://app.any.run/tasks/e53f8f78-ce0a-4c33-857b-b387ae668d6b |
| Verdict: | Malicious activity |
| Analysis date: | May 15, 2025, 15:10:21 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (DLL) (GUI) Intel 80386, for MS Windows, 5 sections |
| MD5: | E024F9BB9C36C72FD5DF24345DBC38FD |
| SHA1: | D8E66FE2CB0139826F8B52625C49D3BBD44BCD17 |
| SHA256: | ECAC2344FEDF7798BAC4093BEDC141998A71CC4188CA1561603C2DD67BCEBD5E |
| SSDEEP: | 49152:h6E0dEdtOBYmRrkvWONInfDC4QeYwWO5Y2eZbX+yDi2h+efPEVLqjT0Gt3:G+dYkvWOK2wWO6fZbX+y+2hFh |
MALICIOUS
No malicious indicators.SUSPICIOUS
Starts CMD.EXE for commands execution
- rundll32.exe (PID: 680)
Executable content was dropped or overwritten
- rundll32.exe (PID: 680)
Executing commands from a ".bat" file
- rundll32.exe (PID: 680)
Connects to unusual port
- rundll32.exe (PID: 680)
Get information on the list of running processes
- cmd.exe (PID: 2268)
There is functionality for taking screenshot (YARA)
- rundll32.exe (PID: 680)
Uses TIMEOUT.EXE to delay execution
- cmd.exe (PID: 2268)
Using 'findstr.exe' to search for text patterns in files and output
- cmd.exe (PID: 2268)
INFO
Create files in a temporary directory
- rundll32.exe (PID: 680)
The sample compiled with chinese language support
- rundll32.exe (PID: 680)
The sample compiled with english language support
- rundll32.exe (PID: 680)
Checks proxy server information
- slui.exe (PID: 6944)
Reads the software policy settings
- slui.exe (PID: 6944)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (17.3) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (4.1) |
| .exe | | | Win32 Executable (generic) (2.8) |
| .exe | | | Generic Win/DOS Executable (1.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2025:04:21 14:33:19+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit, DLL |
| PEType: | PE32 |
| LinkerVersion: | 14.43 |
| CodeSize: | 1634816 |
| InitializedDataSize: | 578560 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x155992 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.630 |
| ProductVersionNumber: | 1.0.0.630 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | Chinese (Simplified) |
| CharacterSet: | Unicode |
| CompanyName: | http://www.jieba.net |
| FileDescription: | 超级解霸 |
| FileVersion: | 1, 0, 0, 630 |
| InternalName: | SuperPlayer |
| LegalCopyright: | Copyright 2009 http://www.jieba.net |
| OriginalFileName: | SuperPlayer.exe |
| ProductName: | 超级解霸2010 |
| ProductVersion: | 1, 0, 0, 630 |
Total processes
150
Monitored processes
23
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 680 | "C:\WINDOWS\SysWOW64\rundll32.exe" C:\Users\admin\Desktop\Sigmanly_ecac2344fedf7798bac4093bedc141998a71cc4188ca1561603c2dd67bcebd5e.dll, #1 | C:\Windows\SysWOW64\rundll32.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 900 | findstr /I "rundll32.exe" | C:\Windows\SysWOW64\findstr.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Find String (QGREP) Utility Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1072 | "C:\WINDOWS\SysWOW64\rundll32.exe" | C:\Windows\SysWOW64\rundll32.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1132 | tasklist /FI "IMAGENAME eq rundll32.exe" | C:\Windows\SysWOW64\tasklist.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Lists the current running tasks Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2084 | findstr /I "rundll32.exe" | C:\Windows\SysWOW64\findstr.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Find String (QGREP) Utility Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2268 | cmd.exe /B /c "C:\Users\admin\AppData\Local\Temp\\monitor.bat" | C:\Windows\SysWOW64\cmd.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2852 | timeout /t 30 /nobreak | C:\Windows\SysWOW64\timeout.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3304 | "C:\WINDOWS\SysWOW64\rundll32.exe" | C:\Windows\SysWOW64\rundll32.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3784 | timeout /t 30 /nobreak | C:\Windows\SysWOW64\timeout.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: timeout - pauses command processing Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4152 | findstr /I "rundll32.exe" | C:\Windows\SysWOW64\findstr.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Find String (QGREP) Utility Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
4 276
Read events
4 276
Write events
0
Delete events
0
Modification events
Executable files
1
Suspicious files
0
Text files
2
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 680 | rundll32.exe | C:\Users\admin\AppData\Local\Temp\monitor.pid | text | |
MD5:2B8EBA3CB0D0F1D761CB74D94A5ACE36 | SHA256:AEEC2FCD27FCD10651005209D0DB55DD2A7D61FFE4AB7D8EA6C65A36FCE950C1 | |||
| 680 | rundll32.exe | C:\Users\admin\AppData\Local\Temp\monitor.bat | text | |
MD5:49A96DB058817905035D88426652F2B9 | SHA256:CAFF38FD470B24D9F5A5A3A30E953C47127688F3D1D06884B62A496A3F4B8F0A | |||
| 680 | rundll32.exe | C:\Users\admin\AppData\Local\Temp\backup.exe | executable | |
MD5:D3C24BF05054932915AAE233E3463C3E | SHA256:155A5BCE6AC3B10AC6D4FE768F0520A029A0A3FD341B747ADE8F77066F81B956 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
51
DNS requests
14
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
960 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.155:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
960 | SIHClient.exe | GET | 200 | 23.48.23.169:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl | unknown | — | — | whitelisted |
960 | SIHClient.exe | GET | 200 | 23.48.23.169:80 | http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl | unknown | — | — | whitelisted |
960 | 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 |
960 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
960 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.2.crl | unknown | — | — | whitelisted |
960 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.2.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 |
|---|---|---|---|---|---|---|
— | — | 192.168.100.255:137 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 51.124.78.146:443 | 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 |
4244 | RUXIMICS.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 20.190.159.131:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3216 | svchost.exe | 172.211.123.248:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
680 | rundll32.exe | 154.21.201.41:8989 | — | COGENT-174 | US | malicious |
5496 | MoUsoCoreWorker.exe | 23.48.23.155:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
google.com |
| whitelisted |
login.live.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |