| File name: | yamlload.exe |
| Full analysis: | https://app.any.run/tasks/39e1db0c-1f57-4ffa-94ae-fa244de7d791 |
| Verdict: | Malicious activity |
| Analysis date: | March 24, 2025, 10:13:11 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (GUI) x86-64, for MS Windows, 6 sections |
| MD5: | 2D980154359A368390AAE3FB8AD0D3D6 |
| SHA1: | EAD8922838C3ADF72CEAA7A1CFD87CE663E1D2B4 |
| SHA256: | 12B49E81EC4F21EEC009E44F2F554403A888CB2591A6AB6711BB6D9FAA8161EF |
| SSDEEP: | 98304:RJ35W3suDacbtDjHk9IRQJ+FgLHIcc1Umb1f83qgL/v1D0WRBUBY+E+b5dUJRw2U:+2OaZ2YBHzcuXVCc |
| .exe | | | InstallShield setup (57.6) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (36.9) |
| .exe | | | Generic Win/DOS Executable (2.6) |
| .exe | | | DOS Executable Generic (2.6) |
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:03:24 01:36:50+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14.41 |
| CodeSize: | 172032 |
| InitializedDataSize: | 154624 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xce20 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 632 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 644 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1240 | C:\WINDOWS\System32\slui.exe -Embedding | C:\Windows\System32\slui.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Activation Client Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1568 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4164 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4812 | "C:\Users\admin\AppData\Local\Temp\yamlload.exe" | C:\Users\admin\AppData\Local\Temp\yamlload.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 4944 | "C:\Users\admin\AppData\Local\Temp\yamlload.exe" | C:\Users\admin\AppData\Local\Temp\yamlload.exe | yamlload.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 6808 | wscript hidden.vbs | C:\Windows\System32\wscript.exe | yamlload.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft ® Windows Based Script Host Exit code: 0 Version: 5.812.10240.16384 Modules
| |||||||||||||||
| 6816 | "BackgroundTransferHost.exe" -ServerName:BackgroundTransferHost.1 | C:\Windows\System32\BackgroundTransferHost.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Download/Upload Host Exit code: 1 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (6816) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (6816) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (6816) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (4164) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (4164) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (4164) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (1568) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (1568) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (1568) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (632) BackgroundTransferHost.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\Software\Microsoft\Windows\CurrentVersion\AppContainer\Storage\microsoft.windows.contentdeliverymanager_cw5n1h2txyewy\Internet Settings\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\_decimal.pyd | executable | |
MD5:65B4AB77D6C6231C145D3E20E7073F51 | SHA256:93EB9D1859EDCA1C29594491863BF3D72AF70B9A4240E0D9DD171F668F4F8614 | |||
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\_ssl.pyd | executable | |
MD5:208B0108172E59542260934A2E7CFA85 | SHA256:5160500474EC95D4F3AF7E467CC70CB37BEC1D12545F0299AAB6D69CEA106C69 | |||
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\_hashlib.pyd | executable | |
MD5:4255C44DC64F11F32C961BF275AAB3A2 | SHA256:E557873D5AD59FD6BD29D0F801AD0651DBB8D9AC21545DEFE508089E92A15E29 | |||
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\api-ms-win-core-file-l2-1-0.dll | executable | |
MD5:50ABF0A7EE67F00F247BADA185A7661C | SHA256:F957A4C261506484B53534A9BE8931C02EC1A349B3F431A858F8215CECFEC3F7 | |||
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\_queue.pyd | executable | |
MD5:F00133F7758627A15F2D98C034CF1657 | SHA256:35609869EDC57D806925EC52CCA9BC5A035E30D5F40549647D4DA6D7983F8659 | |||
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\api-ms-win-core-errorhandling-l1-1-0.dll | executable | |
MD5:12EA48CE605EBB204A21AE7D86DB3417 | SHA256:189BBBD739526A986E53518865E741CDE8C5967AACD5ED687408CEC3D8781F1C | |||
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\api-ms-win-core-file-l1-1-0.dll | executable | |
MD5:4B328F140A3AE7FEDB21CA50CC23D938 | SHA256:E55B200643E8B078E7F5EB0C97DE44FEAD21B11D06590EBEDBCB84214D063345 | |||
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\api-ms-win-core-debug-l1-1-0.dll | executable | |
MD5:7AD2034ACD0F296FE9EED320E5AD7591 | SHA256:0D859A866D1BCEFE1A1BC5ADB88DCF2765567ECC31DFB4E472B512D033D88BB4 | |||
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\api-ms-win-core-fibers-l1-1-0.dll | executable | |
MD5:201FF3CD2FFE7D222F46574D4AC40A70 | SHA256:B83A71978215FDBA477C4EA61340168947A1021324D118E6B7159054985F2D1A | |||
| 4812 | yamlload.exe | C:\Users\admin\AppData\Local\Temp\_MEI48122\api-ms-win-core-file-l1-2-0.dll | executable | |
MD5:4A060EEC454C222A5381CD359DC00B81 | SHA256:E6B2B05E14A6C6F5381E8F4C7F4FD28A499246FB4C8EAFE1F08014B9273D70DF | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5972 | backgroundTaskHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
1272 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
1272 | SIHClient.exe | GET | 200 | 2.23.246.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
4944 | yamlload.exe | GET | 200 | 194.197.245.5:80 | http://194.197.245.5/tiev21p/juuso/payloads.yaml | unknown | — | — | unknown |
4164 | BackgroundTransferHost.exe | GET | 200 | 184.30.131.245:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
3216 | svchost.exe | 40.113.110.67:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4944 | yamlload.exe | 194.197.245.5:80 | — | Telia Finland Oyj | FI | unknown |
6544 | svchost.exe | 40.126.31.128:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 184.30.131.245:80 | ocsp.digicert.com | AKAMAI-AS | US | whitelisted |
6544 | svchost.exe | 20.190.159.71:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2104 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
arc.msn.com |
| whitelisted |
www.bing.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
4944 | yamlload.exe | Potential Corporate Privacy Violation | POLICY [ANY.RUN] Python Suspicious User Agent |
4944 | yamlload.exe | A Network Trojan was detected | SUSPICIOUS [ANY.RUN] VBS is used to run Shell |