| File name: | taskhost.exe |
| Full analysis: | https://app.any.run/tasks/8ed2287a-dfcb-430c-9e4f-f39d9e776c16 |
| Verdict: | Malicious activity |
| Threats: | DarkComet RAT is a malicious program designed to remotely control or administer a victim's computer, steal private data and spy on the victim. |
| Analysis date: | April 24, 2025, 14:05:15 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 8 sections |
| MD5: | 0D833C6509F350E0A15492597DF2BDA6 |
| SHA1: | 1F77B7EB4410F6E1C0E0F7B971A3C98B3F0A5F9F |
| SHA256: | D280FDF95C57CBA365C15FC9C6371ADA79734480812497C2244246CFDAC52CA7 |
| SSDEEP: | 49152:KHHdAMkeCyWRjxqZtBGukEmfT+Pv7EGj0c388c9XfAIYdx422Q9bzf8FmgsRUGxc:KndAMkeCBjccukrc7Ea0cMt9XfAfM22l |
MALICIOUS
Changes the autorun value in the registry
- taskhost.exe (PID: 2136)
Changes the login/logoff helper path in the registry
- taskhost.exe (PID: 2136)
DARKCOMET mutex has been found
- taskhost.exe (PID: 7012)
DARKCOMET has been detected (YARA)
- taskhost.exe (PID: 7012)
SUSPICIOUS
Application launched itself
- taskhost.exe (PID: 2284)
- taskhost.exe (PID: 6800)
Process drops legitimate windows executable
- taskhost.exe (PID: 2284)
- taskhost.exe (PID: 2136)
Starts a Microsoft application from unusual location
- taskhost.exe (PID: 2284)
- taskhost.exe (PID: 2136)
The process creates files with name similar to system file names
- taskhost.exe (PID: 2136)
Executable content was dropped or overwritten
- taskhost.exe (PID: 2136)
Starts itself from another location
- taskhost.exe (PID: 2136)
Reads security settings of Internet Explorer
- taskhost.exe (PID: 2136)
INFO
The sample compiled with english language support
- taskhost.exe (PID: 2284)
- taskhost.exe (PID: 2136)
Checks supported languages
- taskhost.exe (PID: 2284)
- taskhost.exe (PID: 2136)
- taskhost.exe (PID: 6800)
- taskhost.exe (PID: 7012)
Reads the computer name
- taskhost.exe (PID: 2136)
- taskhost.exe (PID: 7012)
Process checks computer location settings
- taskhost.exe (PID: 2136)
Compiled with Borland Delphi (YARA)
- taskhost.exe (PID: 7012)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable Delphi generic (37.4) |
|---|---|---|
| .scr | | | Windows screen saver (34.5) |
| .exe | | | Win32 Executable (generic) (11.9) |
| .exe | | | Win16/32 Executable Delphi generic (5.4) |
| .exe | | | Generic Win/DOS Executable (5.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 1992:06:19 22:22:17+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, Bytes reversed lo, 32-bit, Bytes reversed hi |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 374784 |
| InitializedDataSize: | 818176 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x5c62c |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 10.0.17763.831 |
| ProductVersionNumber: | 10.0.17763.831 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | Microsoft Corporation |
| FileDescription: | Хост-процесс для задач Windows |
| FileVersion: | 10.0.17763.831 (WinBuild.160101.0800) |
| InternalName: | taskhost.exe |
| LegalCopyright: | © Microsoft Corporation. All rights reserved. |
| OriginalFileName: | taskhost.exe |
| ProductName: | Microsoft® Windows® Operating System |
| ProductVersion: | 10.0.17763.831 |
Total processes
132
Monitored processes
7
Malicious processes
4
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1760 | "C:\WINDOWS\System32\SLUI.exe" RuleId=3482d82e-ca2c-4e1f-8864-da0267b484b2;Action=AutoActivate;AppId=55c92734-d682-4d71-983e-d6ec3f16059f;SkuId=4de7cb65-cdf1-4de9-8ae8-e3cce27b9f2c;NotificationInterval=1440;Trigger=TimerEvent | C:\Windows\System32\slui.exe | — | SppExtComObj.Exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2136 | "C:\Users\admin\AppData\Local\Temp\taskhost.exe" | C:\Users\admin\AppData\Local\Temp\taskhost.exe | taskhost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Хост-процесс для задач Windows Exit code: 0 Version: 10.0.17763.831 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2196 | C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2284 | "C:\Users\admin\AppData\Local\Temp\taskhost.exe" | C:\Users\admin\AppData\Local\Temp\taskhost.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Хост-процесс для задач Windows Exit code: 0 Version: 10.0.17763.831 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3132 | C:\WINDOWS\system32\SppExtComObj.exe -Embedding | C:\Windows\System32\SppExtComObj.Exe | — | svchost.exe | |||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: KMS Connection Broker Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6800 | "C:\Users\admin\Documents\AudioDriver\taskhost.exe" | C:\Users\admin\Documents\AudioDriver\taskhost.exe | — | taskhost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Хост-процесс для задач Windows Exit code: 0 Version: 10.0.17763.831 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 7012 | "C:\Users\admin\Documents\AudioDriver\taskhost.exe" | C:\Users\admin\Documents\AudioDriver\taskhost.exe | taskhost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Хост-процесс для задач Windows Version: 10.0.17763.831 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
1 699
Read events
1 686
Write events
13
Delete events
0
Modification events
| (PID) Process: | (2136) taskhost.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | AudioDriver |
Value: C:\Users\admin\Documents\AudioDriver\taskhost.exe | |||
| (PID) Process: | (2136) taskhost.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows NT\CurrentVersion\Winlogon |
| Operation: | write | Name: | UserInit |
Value: C:\Windows\system32\userinit.exe,C:\Users\admin\Documents\AudioDriver\taskhost.exe | |||
| (PID) Process: | (2136) taskhost.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer |
| Operation: | write | Name: | SlowContextMenuEntries |
Value: 6024B221EA3A6910A2DC08002B30309D0A010000BD0E0C47735D584D9CEDE91E22E23282770100000114020000000000C0000000000000468D0000006078A409B011A54DAFA526D86198A7803901000062B06A59D2B415429F74E9109B0A815323020000 | |||
| (PID) Process: | (2136) taskhost.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer |
| Operation: | write | Name: | SlowContextMenuEntries |
Value: 6024B221EA3A6910A2DC08002B30309D0A010000BD0E0C47735D584D9CEDE91E22E232827701000060B81DB4E48ED2119906E49FADC173CACB0000006078A409B011A54DAFA526D86198A7803901000062B06A59D2B415429F74E9109B0A815323020000 | |||
| (PID) Process: | (2136) taskhost.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Explorer |
| Operation: | write | Name: | SlowContextMenuEntries |
Value: 6024B221EA3A6910A2DC08002B30309D0A010000BD0E0C47735D584D9CEDE91E22E23282770100007696BFE28F5F5C4397EB11607A5BEDF7770100006078A409B011A54DAFA526D86198A7803901000062B06A59D2B415429F74E9109B0A815323020000 | |||
| (PID) Process: | (2136) taskhost.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\OneDrive\Accounts |
| Operation: | write | Name: | LastUpdate |
Value: 27450A6800000000 | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2136 | taskhost.exe | C:\Users\admin\Documents\AudioDriver\taskhost.exe | executable | |
MD5:0D833C6509F350E0A15492597DF2BDA6 | SHA256:D280FDF95C57CBA365C15FC9C6371ADA79734480812497C2244246CFDAC52CA7 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
18
DNS requests
15
Threats
1
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.53.40.176:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
3676 | SIHClient.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
3676 | 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 |
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 |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.53.40.176:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
3216 | svchost.exe | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 40.126.32.74:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
2104 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
gameservice.ddns.net |
| malicious |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Potentially Bad Traffic | ET DYN_DNS DNS Query to DynDNS Domain *.ddns .net |