| File name: | Backdoor.DDoS.Win32.Nitol.exe |
| Full analysis: | https://app.any.run/tasks/8e7e3a9b-beb2-41d3-a31a-28d6c483e31d |
| Verdict: | Malicious activity |
| Analysis date: | July 22, 2024, 16:55:27 |
| 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 |
| MD5: | 304BBE0E401D84EDF63B68588335CEB6 |
| SHA1: | 8389FB0466449755C9C33716EF6F9C3E0F4E19C8 |
| SHA256: | 1F3E836B4677A6DF2C2D34D3C6413DF2C5E448B5BC1D5702F2A96A7F6CA0D7FB |
| SSDEEP: | 768:QfvoyXXQkZuzQE98Fs+UwMVdPG42EmAjE/yQd07d21a1Xxu0HfqaWF6i5XcojY9S:QfvoyXgkAP2EFjtQd07k1sXPHijmUN |
MALICIOUS
Drops the executable file immediately after the start
- Backdoor.DDoS.Win32.Nitol.exe (PID: 2748)
SUSPICIOUS
Executable content was dropped or overwritten
- Backdoor.DDoS.Win32.Nitol.exe (PID: 2748)
- xkzbkq.exe (PID: 2300)
Process drops legitimate windows executable
- Backdoor.DDoS.Win32.Nitol.exe (PID: 2748)
Executes as Windows Service
- xkzbkq.exe (PID: 2300)
Reads the Internet Settings
- Backdoor.DDoS.Win32.Nitol.exe (PID: 2748)
Hides command output
- cmd.exe (PID: 2076)
- cmd.exe (PID: 2940)
Reads security settings of Internet Explorer
- Backdoor.DDoS.Win32.Nitol.exe (PID: 2748)
Starts CMD.EXE for commands execution
- Backdoor.DDoS.Win32.Nitol.exe (PID: 2748)
- xkzbkq.exe (PID: 2300)
Creates or modifies Windows services
- Backdoor.DDoS.Win32.Nitol.exe (PID: 2748)
Creates file in the systems drive root
- xkzbkq.exe (PID: 2300)
INFO
Checks supported languages
- Backdoor.DDoS.Win32.Nitol.exe (PID: 2748)
- Rar.exe (PID: 240)
- Rar.exe (PID: 2500)
- Rar.exe (PID: 3304)
Reads the computer name
- Backdoor.DDoS.Win32.Nitol.exe (PID: 2748)
- Rar.exe (PID: 240)
- Rar.exe (PID: 2500)
- Rar.exe (PID: 3304)
Creates files in the program directory
- xkzbkq.exe (PID: 2300)
Reads the machine GUID from the registry
- Rar.exe (PID: 240)
- Rar.exe (PID: 3304)
- Rar.exe (PID: 2500)
Drops the executable file immediately after the start
- xkzbkq.exe (PID: 2300)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2015:05:18 13:20:13+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 6 |
| CodeSize: | - |
| InitializedDataSize: | 52736 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x6aa8 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 7.2.2600.5512 |
| ProductVersionNumber: | 7.2.2600.5512 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | Chinese (Simplified) |
| CharacterSet: | Unicode |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Microsoft Connection Manager Profile Installer |
| FileVersion: | 7.02.2600.5512 (xpsp.080413-0852) |
| InternalName: | CMSTP |
| LegalCopyright: | (C) Microsoft Corporation. All rights reserved. |
| OriginalFileName: | CMSTP.EXE |
| ProductName: | Microsoft(R) Connection Manager |
| ProductVersion: | 7.02.2600.5512 |
Total processes
57
Monitored processes
11
Malicious processes
1
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 240 | C:\PROGRA~1\WinRAR\rar.exe vb "C:\Program Files\Java\jre1.8.0_271\lib\deploy\ffjcext.zip" lpk.dll | C:\Program Files\WinRAR\Rar.exe | — | cmd.exe | |||||||||||
User: SYSTEM Company: Alexander Roshal Integrity Level: SYSTEM Description: Command line RAR Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 2000 | cmd /c RD /s /q "C:\Windows\TEMP\IRA3AC.tmp" | C:\Windows\System32\cmd.exe | — | xkzbkq.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Command Processor Exit code: 2 Version: 6.1.7601.17514 (win7sp1_rtm.101119-1850) Modules
| |||||||||||||||
| 2076 | "C:\Windows\system32\cmd.exe" /c del C:\Users\admin\Desktop\BACKDO~1.EXE > nul | C:\Windows\System32\cmd.exe | — | Backdoor.DDoS.Win32.Nitol.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
| |||||||||||||||
| 2300 | C:\Windows\xkzbkq.exe | C:\Windows\xkzbkq.exe | services.exe | ||||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Microsoft Connection Manager Profile Installer Version: 7.02.2600.5512 (xpsp.080413-0852) Modules
| |||||||||||||||
| 2500 | "C:\PROGRA~1\WinRAR\rar.exe" x "C:\Program Files\Java\jre1.8.0_271\lib\deploy\ffjcext.zip" *.exe "C:\Windows\TEMP\IRA3AC.tmp\" | C:\Program Files\WinRAR\Rar.exe | — | xkzbkq.exe | |||||||||||
User: SYSTEM Company: Alexander Roshal Integrity Level: SYSTEM Description: Command line RAR Exit code: 10 Version: 5.91.0 Modules
| |||||||||||||||
| 2748 | "C:\Users\admin\Desktop\Backdoor.DDoS.Win32.Nitol.exe" | C:\Users\admin\Desktop\Backdoor.DDoS.Win32.Nitol.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 2836 | find /i "lpk.dll" | C:\Windows\System32\find.exe | — | cmd.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Find String (grep) Utility Exit code: 1 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 2940 | "C:\Windows\system32\cmd.exe" /c del C:\Users\admin\Desktop\BACKDO~1.EXE > nul | C:\Windows\System32\cmd.exe | — | Backdoor.DDoS.Win32.Nitol.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
| |||||||||||||||
| 3304 | "C:\PROGRA~1\WinRAR\rar.exe" a -r -ep1"C:\Windows\TEMP\IRA3AC.tmp" "C:\Program Files\Java\jre1.8.0_271\lib\deploy\ffjcext.zip" "C:\Windows\TEMP\IRA3AC.tmp\lpk.dll" | C:\Program Files\WinRAR\Rar.exe | — | xkzbkq.exe | |||||||||||
User: SYSTEM Company: Alexander Roshal Integrity Level: SYSTEM Description: Command line RAR Exit code: 2 Version: 5.91.0 Modules
| |||||||||||||||
| 3432 | "C:\Users\admin\Desktop\Backdoor.DDoS.Win32.Nitol.exe" | C:\Users\admin\Desktop\Backdoor.DDoS.Win32.Nitol.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
Total events
1 982
Read events
1 973
Write events
9
Delete events
0
Modification events
| (PID) Process: | (2748) Backdoor.DDoS.Win32.Nitol.exe | Key: | HKEY_LOCAL_MACHINE\SYSTEM\ControlSet001\services\Ghijkl Nopqrstu Wxy |
| Operation: | write | Name: | Description |
Value: Ghijklmn Pqrstuvwx Abcdefg Ijklmnop Rst | |||
| (PID) Process: | (2748) Backdoor.DDoS.Win32.Nitol.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (2748) Backdoor.DDoS.Win32.Nitol.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (2748) Backdoor.DDoS.Win32.Nitol.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (2748) Backdoor.DDoS.Win32.Nitol.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
Executable files
63
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2300 | xkzbkq.exe | C:\Windows\system32\hra33.dll | executable | |
MD5:7147FF24579A477A1A34696926E573F1 | SHA256:FD08DCB016611316C849D48312BA6DC7D4DE75D1A81C1D475A13BB5A1BA07267 | |||
| 2300 | xkzbkq.exe | C:\MSOCache\All Users\{90140000-006E-041F-0000-0000000FF1CE}-C\lpk.dll | executable | |
MD5:BB14E3E646664123AFF15BB86F2C17CD | SHA256:2F8B62FEDD9154C8C5C8EB722757AE35B84F07240B3A31AFC3F684B2FA38BBA9 | |||
| 2300 | xkzbkq.exe | C:\MSOCache\All Users\{90140000-0100-0410-0000-0000000FF1CE}-C\lpk.dll | executable | |
MD5:BB14E3E646664123AFF15BB86F2C17CD | SHA256:2F8B62FEDD9154C8C5C8EB722757AE35B84F07240B3A31AFC3F684B2FA38BBA9 | |||
| 2300 | xkzbkq.exe | C:\MSOCache\All Users\{90140000-006E-0C0A-0000-0000000FF1CE}-C\lpk.dll | executable | |
MD5:BB14E3E646664123AFF15BB86F2C17CD | SHA256:2F8B62FEDD9154C8C5C8EB722757AE35B84F07240B3A31AFC3F684B2FA38BBA9 | |||
| 2300 | xkzbkq.exe | C:\MSOCache\All Users\{90140000-0100-0412-0000-0000000FF1CE}-C\lpk.dll | executable | |
MD5:BB14E3E646664123AFF15BB86F2C17CD | SHA256:2F8B62FEDD9154C8C5C8EB722757AE35B84F07240B3A31AFC3F684B2FA38BBA9 | |||
| 2300 | xkzbkq.exe | C:\MSOCache\All Users\{90140000-0100-0411-0000-0000000FF1CE}-C\lpk.dll | executable | |
MD5:BB14E3E646664123AFF15BB86F2C17CD | SHA256:2F8B62FEDD9154C8C5C8EB722757AE35B84F07240B3A31AFC3F684B2FA38BBA9 | |||
| 2300 | xkzbkq.exe | C:\RCXE2AB.tmp | executable | |
MD5:BB14E3E646664123AFF15BB86F2C17CD | SHA256:2F8B62FEDD9154C8C5C8EB722757AE35B84F07240B3A31AFC3F684B2FA38BBA9 | |||
| 2300 | xkzbkq.exe | C:\MSOCache\All Users\{90140000-0100-0407-0000-0000000FF1CE}-C\lpk.dll | executable | |
MD5:BB14E3E646664123AFF15BB86F2C17CD | SHA256:2F8B62FEDD9154C8C5C8EB722757AE35B84F07240B3A31AFC3F684B2FA38BBA9 | |||
| 2300 | xkzbkq.exe | C:\MSOCache\All Users\{90140000-0100-040C-0000-0000000FF1CE}-C\lpk.dll | executable | |
MD5:BB14E3E646664123AFF15BB86F2C17CD | SHA256:2F8B62FEDD9154C8C5C8EB722757AE35B84F07240B3A31AFC3F684B2FA38BBA9 | |||
| 2300 | xkzbkq.exe | C:\MSOCache\All Users\{90140000-0100-0416-0000-0000000FF1CE}-C\lpk.dll | executable | |
MD5:BB14E3E646664123AFF15BB86F2C17CD | SHA256:2F8B62FEDD9154C8C5C8EB722757AE35B84F07240B3A31AFC3F684B2FA38BBA9 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
37
DNS requests
10
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1372 | svchost.exe | GET | 304 | 23.50.131.208:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33 | unknown | — | — | whitelisted |
1060 | svchost.exe | GET | 304 | 199.232.210.172:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?67a3611ec3c0260d | unknown | — | — | whitelisted |
1372 | svchost.exe | GET | 200 | 23.48.23.156:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
1372 | svchost.exe | GET | 200 | 184.30.21.171:80 | 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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 224.0.0.252:5355 | — | — | — | whitelisted |
1372 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1060 | svchost.exe | 224.0.0.252:5355 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4 | System | 192.168.100.1:445 | — | — | — | unknown |
4 | System | 192.168.100.1:139 | — | — | — | unknown |
2564 | svchost.exe | 239.255.255.250:3702 | — | — | — | whitelisted |
1372 | svchost.exe | 23.50.131.208:80 | ctldl.windowsupdate.com | Akamai International B.V. | DE | unknown |
1372 | svchost.exe | 23.48.23.156:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
www.520520520.org |
| whitelisted |
dns.msftncsi.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
sbcq.f3322.org |
| unknown |
www.520123.xyz |
| unknown |