| File name: | 远程ToDesk.exe |
| Full analysis: | https://app.any.run/tasks/4c4f92a3-e537-4a4d-9cd9-fa9db68a285d |
| Verdict: | Malicious activity |
| Analysis date: | May 26, 2024, 10:51:54 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, UPX compressed |
| MD5: | 5A882F2B1D82C84B520C20B497581218 |
| SHA1: | 6C65F25E8C4D6E5B33C29D6E66E8BF625E821058 |
| SHA256: | E03603EA96D49B2EF36640F78BEB89FDE5A87B69DE02593A92AE51D21C0B8DFC |
| SSDEEP: | 49152:/jleh85ROUZLAHISqlHttxyymOP+4FbbR/LwIZHYiLGON0drS/oYB4aWJ8p/CPvp:LJrZLCLqlNt4ylJFnR/LVZxj0drS/oYY |
MALICIOUS
Drops the executable file immediately after the start
- 远程ToDesk.exe (PID: 3980)
- ToDesk_Setup.exe (PID: 2036)
SUSPICIOUS
Reads the Internet Settings
- 远程ToDesk.exe (PID: 3980)
Reads security settings of Internet Explorer
- 远程ToDesk.exe (PID: 3980)
Executable content was dropped or overwritten
- ToDesk_Setup.exe (PID: 2036)
Malware-specific behavior (creating "System.dll" in Temp)
- ToDesk_Setup.exe (PID: 2036)
The process creates files with name similar to system file names
- ToDesk_Setup.exe (PID: 2036)
Starts application with an unusual extension
- ToDesk_Setup.exe (PID: 2036)
Starts CMD.EXE for commands execution
- nsD4B9.tmp (PID: 1432)
- nsD537.tmp (PID: 1628)
- nsD651.tmp (PID: 1652)
- nsD6CF.tmp (PID: 768)
- nsD7DA.tmp (PID: 1944)
- nsD858.tmp (PID: 1548)
Starts SC.EXE for service management
- cmd.exe (PID: 2180)
- cmd.exe (PID: 616)
- cmd.exe (PID: 1424)
- cmd.exe (PID: 1792)
- cmd.exe (PID: 2276)
- cmd.exe (PID: 660)
Process drops legitimate windows executable
- ToDesk_Setup.exe (PID: 2036)
Drops a system driver (possible attempt to evade defenses)
- ToDesk_Setup.exe (PID: 2036)
Uses NETSH.EXE to delete a firewall rule or allowed programs
- nsE9DE.tmp (PID: 1676)
- nsEAC9.tmp (PID: 2460)
- nsE818.tmp (PID: 2256)
Uses NETSH.EXE to add a firewall rule or allowed programs
- nsEBB5.tmp (PID: 2648)
- nsED7C.tmp (PID: 2360)
- nsECA0.tmp (PID: 1888)
- nsEE67.tmp (PID: 2660)
- nsEF43.tmp (PID: 2428)
- nsF02E.tmp (PID: 972)
Creates a software uninstall entry
- ToDesk_Setup.exe (PID: 2036)
Executes as Windows Service
- ToDesk.exe (PID: 2828)
Application launched itself
- ToDesk.exe (PID: 2828)
Reads the date of Windows installation
- ToDesk.exe (PID: 2828)
INFO
Reads the computer name
- 远程ToDesk.exe (PID: 3980)
- wmpnscfg.exe (PID: 4032)
- ToDesk_Setup.exe (PID: 2036)
- ToDesk.exe (PID: 2748)
- ToDesk.exe (PID: 3020)
- ToDesk.exe (PID: 2868)
- ToDesk.exe (PID: 2828)
Checks supported languages
- 远程ToDesk.exe (PID: 3980)
- wmpnscfg.exe (PID: 4032)
- ToDesk_Setup.exe (PID: 2036)
- nsD4B9.tmp (PID: 1432)
- nsD537.tmp (PID: 1628)
- nsD651.tmp (PID: 1652)
- nsD6CF.tmp (PID: 768)
- nsD7DA.tmp (PID: 1944)
- nsD858.tmp (PID: 1548)
- nsEAC9.tmp (PID: 2460)
- nsEBB5.tmp (PID: 2648)
- nsECA0.tmp (PID: 1888)
- nsEE67.tmp (PID: 2660)
- nsED7C.tmp (PID: 2360)
- nsF02E.tmp (PID: 972)
- nsEF43.tmp (PID: 2428)
- nsE818.tmp (PID: 2256)
- nsE9DE.tmp (PID: 1676)
- ToDesk.exe (PID: 2828)
- ToDesk.exe (PID: 2868)
- ToDesk.exe (PID: 3020)
- ToDesk.exe (PID: 2748)
Manual execution by a user
- wmpnscfg.exe (PID: 4032)
Create files in a temporary directory
- ToDesk_Setup.exe (PID: 2036)
Creates files in the program directory
- ToDesk_Setup.exe (PID: 2036)
- ToDesk.exe (PID: 2828)
Reads the machine GUID from the registry
- ToDesk.exe (PID: 2748)
- ToDesk.exe (PID: 2828)
- ToDesk.exe (PID: 3020)
Creates files or folders in the user directory
- ToDesk.exe (PID: 3020)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | UPX compressed Win32 Executable (76) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.6) |
| .exe | | | Generic Win/DOS Executable (5.6) |
| .exe | | | DOS Executable Generic (5.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2023:11:09 10:50:33+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.16 |
| CodeSize: | 1413120 |
| InitializedDataSize: | 126976 |
| UninitializedDataSize: | 2019328 |
| EntryPoint: | 0x346d40 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.1 |
| ProductVersionNumber: | 1.0.0.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| FileDescription: | ToDesk DownLoader Software |
| FileVersion: | 1, 0, 0, 1 |
| InternalName: | ToDesk DownLoader |
| LegalCopyright: | Copyright(C) 2019 - 2023 www.todesk.com. All Right Reserved |
| OriginalFileName: | ToDesk_DownLoader.exe |
| ProductName: | ToDesk DownLoader |
| ProductVersion: | 1, 0, 0, 1 |
Total processes
95
Monitored processes
44
Malicious processes
2
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 324 | netsh advfirewall firewall delete rule name="ToDesk_Session" | C:\Windows\System32\netsh.exe | — | nsEAC9.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Network Command Shell Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 616 | cmd.exe /c sc stop ToDesk_Service | C:\Windows\System32\cmd.exe | — | nsD651.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1060 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 660 | cmd.exe /c sc delete ToDesk_Service | C:\Windows\System32\cmd.exe | — | nsD537.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1060 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 692 | sc stop ToDesk_Service | 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: 1060 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 728 | sc delete ToDesk_Service | 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: 1060 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 768 | "C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsD6CF.tmp" cmd.exe /c sc delete ToDesk_Service | C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsD6CF.tmp | — | ToDesk_Setup.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 1060 Modules
| |||||||||||||||
| 972 | "C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsF02E.tmp" netsh advfirewall firewall add rule name="ToDesk_Session" dir=out program="C:\Program Files\ToDesk\ToDesk_Session.exe" action=allow | C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsF02E.tmp | — | ToDesk_Setup.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 1028 | netsh advfirewall firewall add rule name="ToDesk_Session" dir=out program="C:\Program Files\ToDesk\ToDesk_Session.exe" action=allow | C:\Windows\System32\netsh.exe | — | nsF02E.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Network Command Shell Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 1424 | cmd.exe /c sc delete ToDesk_Service | C:\Windows\System32\cmd.exe | — | nsD6CF.tmp | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Command Processor Exit code: 1060 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 1432 | "C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsD4B9.tmp" cmd.exe /c sc stop ToDesk_Service | C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsD4B9.tmp | — | ToDesk_Setup.exe | |||||||||||
User: admin Integrity Level: HIGH Exit code: 1060 Modules
| |||||||||||||||
Total events
12 719
Read events
12 268
Write events
451
Delete events
0
Modification events
| (PID) Process: | (3980) 远程ToDesk.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (3980) 远程ToDesk.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (3980) 远程ToDesk.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (3980) 远程ToDesk.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (2036) ToDesk_Setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\ToDesk |
| Operation: | write | Name: | InstPath |
Value: C:\Program Files\ToDesk | |||
| (PID) Process: | (2036) ToDesk_Setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ToDesk |
| Operation: | write | Name: | DisplayName |
Value: ToDesk | |||
| (PID) Process: | (2036) ToDesk_Setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ToDesk |
| Operation: | write | Name: | UninstallString |
Value: C:\Program Files\ToDesk\uninst.exe | |||
| (PID) Process: | (2036) ToDesk_Setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ToDesk |
| Operation: | write | Name: | DisplayIcon |
Value: C:\Program Files\ToDesk\ToDesk.exe | |||
| (PID) Process: | (2036) ToDesk_Setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ToDesk |
| Operation: | write | Name: | Publisher |
Value: ToDesk Remote Desktop | |||
| (PID) Process: | (2036) ToDesk_Setup.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Uninstall\ToDesk |
| Operation: | write | Name: | DisplayVersion |
Value: 4.7.2.1 | |||
Executable files
35
Suspicious files
14
Text files
3
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3980 | 远程ToDesk.exe | C:\Users\admin\Downloads\ToDesk_Setup.exe.tmp | — | |
MD5:— | SHA256:— | |||
| 3980 | 远程ToDesk.exe | C:\Users\admin\Downloads\ToDesk_Setup.exe | — | |
MD5:— | SHA256:— | |||
| 2036 | ToDesk_Setup.exe | C:\Program Files\ToDesk\ToDesk.exe | — | |
MD5:— | SHA256:— | |||
| 2036 | ToDesk_Setup.exe | C:\Program Files\ToDesk\zrtc.dll | — | |
MD5:— | SHA256:— | |||
| 2036 | ToDesk_Setup.exe | C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\skin.zip | compressed | |
MD5:8303B45CE651486D9DD2D7BBC597B8DA | SHA256:D354CE56A0D85D1A2930DE79591464C89B272016EB63F626A7FEF36A9D78519A | |||
| 2036 | ToDesk_Setup.exe | C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsD4B9.tmp | executable | |
MD5:F27689C513E7D12C7C974D5F8EF710D6 | SHA256:1F18F4126124B0551F3DBCD0FEC7F34026F930CA509F04435657CEDC32AE8C47 | |||
| 2036 | ToDesk_Setup.exe | C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsNiuniuSkin.dll | executable | |
MD5:BB0CDFF5AC2D64723007A0B4F7962A02 | SHA256:33E460A080A621CDA7896E96B6F1BEEE802B485CF99E18B27463CD362C484B08 | |||
| 2036 | ToDesk_Setup.exe | C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsExec.dll | executable | |
MD5:F27689C513E7D12C7C974D5F8EF710D6 | SHA256:1F18F4126124B0551F3DBCD0FEC7F34026F930CA509F04435657CEDC32AE8C47 | |||
| 2036 | ToDesk_Setup.exe | C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsD537.tmp | executable | |
MD5:F27689C513E7D12C7C974D5F8EF710D6 | SHA256:1F18F4126124B0551F3DBCD0FEC7F34026F930CA509F04435657CEDC32AE8C47 | |||
| 2036 | ToDesk_Setup.exe | C:\Users\admin\AppData\Local\Temp\nsgAD1B.tmp\nsSCM.dll | executable | |
MD5:C68ACA71E85B9615C16C45A3437B5558 | SHA256:00E701893AF9204D3E9669539BD47FD00E954C5583492B97647EFF7811D55181 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
8
DNS requests
4
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 | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1088 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
3980 | 远程ToDesk.exe | 43.152.26.104:443 | download.todesk.com | ACE | DE | unknown |
3980 | 远程ToDesk.exe | 43.152.44.86:443 | dl.todesk.com | ACE | DE | unknown |
2828 | ToDesk.exe | 43.135.63.118:443 | authds.todesk.com | Tencent Building, Kejizhongyi Avenue | HK | unknown |
2828 | ToDesk.exe | 119.29.125.57:443 | st.todesk.com | Shenzhen Tencent Computer Systems Company Limited | CN | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
download.todesk.com |
| unknown |
dl.todesk.com |
| unknown |
authds.todesk.com |
| unknown |
st.todesk.com |
| unknown |
Threats
Process | Message |
|---|---|
远程ToDesk.exe | C:\Users\admin\Downloads\ToDesk_Setup.exe |
远程ToDesk.exe | C:\Users\admin\Downloads\ |
远程ToDesk.exe | C:\Users\admin\Downloads\ToDesk_Setup.exe.tmp |
ToDesk_Setup.exe | Window, size, 592,382
|
ToDesk_Setup.exe | Window, bktrans, true
|
ToDesk_Setup.exe | Window, caption, 0,0,0,382
|
ToDesk_Setup.exe | Window, sizebox, 0,0,0,0
|
ToDesk_Setup.exe | VerticalLayoutUI, align, center
|
ToDesk_Setup.exe | ButtonUI, text, ??
|
ToDesk_Setup.exe | ButtonUI, hottextcolor, 0xFFFFFFFF
|