| File name: | vss.exe |
| Full analysis: | https://app.any.run/tasks/792d4254-d59c-4cdd-bbf4-02f5581dc03f |
| Verdict: | Malicious activity |
| Threats: | Stealers are a group of malicious software that are intended for gaining unauthorized access to users’ information and transferring it to the attacker. The stealer malware category includes various types of programs that focus on their particular kind of data, including files, passwords, and cryptocurrency. Stealers are capable of spying on their targets by recording their keystrokes and taking screenshots. This type of malware is primarily distributed as part of phishing campaigns. |
| Analysis date: | September 08, 2024, 12:37:40 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32+ executable (GUI) x86-64, for MS Windows |
| MD5: | 53A26C5BBCE6F21CA769B19B29F27DB7 |
| SHA1: | 96F063F12B0259A79BBD353A656EBA7820679F78 |
| SHA256: | 949C4D643819C553DC0BAF604AB0C3104ADBF46B5AB1A92380089E054F4DAC02 |
| SSDEEP: | 96:Sq1qZNor3pD+XI/d6BMteraKTvVpwpaudk5q8/L8qN1PxyZ4cG/idhtp1XKE25QO:PpyIe/QpgdDPLqjF2eJdFne55tfl |
MALICIOUS
Using BCDEDIT.EXE to modify recovery options
- cmd.exe (PID: 5700)
- cmd.exe (PID: 5344)
Actions looks like stealing of personal data
- cmd.exe (PID: 7116)
- cmd.exe (PID: 2520)
Deletes shadow copies
- cmd.exe (PID: 3316)
SUSPICIOUS
Reads security settings of Internet Explorer
- vss.exe (PID: 7052)
Application launched itself
- vss.exe (PID: 7052)
Reads the date of Windows installation
- vss.exe (PID: 7052)
Starts CMD.EXE for commands execution
- vss.exe (PID: 4880)
Uses WEVTUTIL.EXE to cleanup log
- cmd.exe (PID: 3268)
Executes as Windows Service
- VSSVC.exe (PID: 508)
INFO
Checks supported languages
- vss.exe (PID: 7052)
- vss.exe (PID: 4880)
Reads the computer name
- vss.exe (PID: 7052)
The process uses the downloaded file
- vss.exe (PID: 7052)
Process checks computer location settings
- vss.exe (PID: 7052)
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: | 2024:09:08 12:37:25+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14.41 |
| CodeSize: | 4096 |
| InitializedDataSize: | 6144 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x153c |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
Total processes
143
Monitored processes
21
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 508 | C:\WINDOWS\system32\vssvc.exe | C:\Windows\System32\VSSVC.exe | — | services.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Microsoft® Volume Shadow Copy Service Version: 10.0.19041.1 (WinBuild.160101.0800) | |||||||||||||||
| 2096 | vssadmin delete shadows /all /quiet | C:\Windows\System32\vssadmin.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Command Line Interface for Microsoft® Volume Shadow Copy Service Exit code: 2 Version: 10.0.19041.1 (WinBuild.160101.0800) | |||||||||||||||
| 2520 | cmd.exe /C del /s /f /q C:\*.bak | C:\Windows\System32\cmd.exe | vss.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2820 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) | |||||||||||||||
| 2892 | wevtutil cl System | C:\Windows\System32\wevtutil.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Eventing Command Line Utility Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) | |||||||||||||||
| 3112 | wevtutil cl Application | C:\Windows\System32\wevtutil.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Eventing Command Line Utility Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) | |||||||||||||||
| 3268 | cmd.exe /C wevtutil cl Application && wevtutil cl Security && wevtutil cl System | C:\Windows\System32\cmd.exe | — | vss.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) | |||||||||||||||
| 3316 | cmd.exe /C vssadmin delete shadows /all /quiet | C:\Windows\System32\cmd.exe | — | vss.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 2 Version: 10.0.19041.1 (WinBuild.160101.0800) | |||||||||||||||
| 3584 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.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
| |||||||||||||||
| 3852 | bcdedit /set {default} bootstatuspolicy ignoreallfailures | C:\Windows\System32\bcdedit.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Boot Configuration Data Editor Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
604
Read events
570
Write events
16
Delete events
18
Modification events
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{9dea862c-5cdd-4e70-acc1-f32b344d4795}\Elements\11000001 |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{9dea862c-5cdd-4e70-acc1-f32b344d4795}\Elements\11000001 |
| Operation: | write | Name: | Element |
Value: 0000000000000000000000000000000006000000000000004800000000000000715E5C2FA985EB1190A89A9B763584210000000000000000745E5C2FA985EB1190A89A9B7635842100000000000000000000000000000000 | |||
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{9dea862c-5cdd-4e70-acc1-f32b344d4795}\Elements\12000002 |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{9dea862c-5cdd-4e70-acc1-f32b344d4795}\Elements\12000002 |
| Operation: | write | Name: | Element |
Value: \EFI\Microsoft\Boot\bootmgfw.efi | |||
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{5b970157-8568-11eb-b45c-806e6f6e6963}\Elements\11000001 |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{5b970157-8568-11eb-b45c-806e6f6e6963}\Elements\11000001 |
| Operation: | write | Name: | Element |
Value: 0000000000000000000000000000000006000000000000004800000000000000715E5C2FA985EB1190A89A9B763584210000000000000000745E5C2FA985EB1190A89A9B7635842100000000000000000000000000000000 | |||
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{5b970157-8568-11eb-b45c-806e6f6e6963}\Elements\12000002 |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{5b970157-8568-11eb-b45c-806e6f6e6963}\Elements\12000002 |
| Operation: | write | Name: | Element |
Value: \EFI\Boot\Loader.efi | |||
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{a5a30fa2-3d06-4e9f-b5f4-a01df9d1fcba}\Description |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (5164) bcdedit.exe | Key: | HKEY_LOCAL_MACHINE\BCD00000000\Objects\{a5a30fa2-3d06-4e9f-b5f4-a01df9d1fcba}\Elements\24000001 |
| Operation: | delete key | Name: | (default) |
Value: | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
18
DNS requests
4
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6652 | svchost.exe | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2120 | MoUsoCoreWorker.exe | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6412 | RUXIMICS.exe | GET | 200 | 23.218.209.163:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.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 |
|---|---|---|---|---|---|---|
6652 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6412 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2120 | MoUsoCoreWorker.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 |
6652 | svchost.exe | 23.218.209.163:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2120 | MoUsoCoreWorker.exe | 23.218.209.163:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
6412 | RUXIMICS.exe | 23.218.209.163:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
6652 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2120 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
3888 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.microsoft.com |
| whitelisted |