| File name: | TEYcr.sys |
| Full analysis: | https://app.any.run/tasks/069c7d9d-1844-43ed-9ee7-582a597a522f |
| Verdict: | Malicious activity |
| Analysis date: | October 19, 2023, 12:25:17 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32+ executable (native) x86-64, for MS Windows |
| MD5: | C980BC67D9C05620FD023535D707C101 |
| SHA1: | AD57B86D62D456E7F04BFE1F34A419795134AD8A |
| SHA256: | 3AD68C2DF881EA74513B04BB6D2B731ED287E2A44CCD56882762D6A557DD4487 |
| SSDEEP: | 12288:KYjNGMLI7P3119UnIO0OizJLyl1kTqNTyZJgvwisBQ1Zb2nADrvp94I7fJ+8RSfl:Xyd19Uf0OiJLyjkTqNTyHgvwisBQZb2x |
MALICIOUS
No malicious indicators.SUSPICIOUS
Reads Microsoft Outlook installation path
- mmc.exe (PID: 3648)
Reads the Internet Settings
- mmc.exe (PID: 3648)
Reads Internet Explorer settings
- mmc.exe (PID: 3648)
Starts SC.EXE for service management
- cmd.exe (PID: 3624)
- cmd.exe (PID: 3072)
INFO
Manual execution by a user
- mmc.exe (PID: 3648)
- explorer.exe (PID: 1864)
- mmc.exe (PID: 1608)
- cmd.exe (PID: 3072)
- cmd.exe (PID: 3624)
Creates files or folders in the user directory
- mmc.exe (PID: 3648)
Checks proxy server information
- mmc.exe (PID: 3648)
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
| Subsystem: | Native |
|---|---|
| SubsystemVersion: | 6 |
| ImageVersion: | 10 |
| OSVersion: | 10 |
| EntryPoint: | 0xa70c7 |
| UninitializedDataSize: | - |
| InitializedDataSize: | - |
| CodeSize: | - |
| LinkerVersion: | 14.29 |
| PEType: | PE32+ |
| ImageFileCharacteristics: | Executable, Large address aware |
| TimeStamp: | 2022:06:02 10:09:08+00:00 |
| MachineType: | AMD AMD64 |
Total processes
55
Monitored processes
10
Malicious processes
1
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1608 | "C:\Windows\system32\mmc.exe" "C:\Windows\system32\services.msc" | C:\Windows\System32\mmc.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Management Console Exit code: 3221226540 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1864 | "C:\Windows\explorer.exe" | C:\Windows\explorer.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Explorer Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2680 | sc.exe create TEYcr binPath=C:\Windows\TEYcr.sys | C:\Windows\System32\sc.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: A tool to aid in developing services for WindowsNT Exit code: 5 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3072 | "C:\Windows\System32\cmd.exe" | C:\Windows\System32\cmd.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3124 | sc.exe TEYcr create binPath=C:\Windows\TEYcr.sys | C:\Windows\System32\sc.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: A tool to aid in developing services for WindowsNT Exit code: 1639 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3164 | sc.exe create TEYcr binPath=C:\Windows\TEYcr.sys | C:\Windows\System32\sc.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: A tool to aid in developing services for WindowsNT Exit code: 1639 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3612 | sc.exe create TEYcr binPath=C:\Windows\TEYcr.sys type=kernel | C:\Windows\System32\sc.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: A tool to aid in developing services for WindowsNT Exit code: 1639 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3624 | "C:\Windows\System32\cmd.exe" | C:\Windows\System32\cmd.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 3648 | "C:\Windows\system32\mmc.exe" "C:\Windows\system32\services.msc" | C:\Windows\System32\mmc.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Microsoft Management Console Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3820 | "C:\Windows\System32\sc.exe" create TEYcr binPath=C:\Windows\TEYcr.sys | C:\Windows\System32\sc.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: A tool to aid in developing services for WindowsNT Exit code: 5 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
667
Read events
656
Write events
10
Delete events
1
Modification events
| (PID) Process: | (3648) mmc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (3648) mmc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (3648) mmc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (3648) mmc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (3648) mmc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (3648) mmc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (3648) mmc.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Microsoft Management Console\Recent File List |
| 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
0
TCP/UDP connections
2
DNS requests
0
Threats
0
HTTP requests
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 | 192.168.100.255:138 | — | — | — | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |