| File name: | Best.exe |
| Full analysis: | https://app.any.run/tasks/ae07490e-4819-448a-ad9a-fb96fbfddbd2 |
| Verdict: | Malicious activity |
| Threats: | Crypto mining malware is a resource-intensive threat that infiltrates computers with the purpose of mining cryptocurrencies. This type of threat can be deployed either on an infected machine or a compromised website. In both cases the miner will utilize the computing power of the device and its network bandwidth. |
| Analysis date: | March 23, 2025, 19:14:57 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (GUI) x86-64 (stripped to external PDB), for MS Windows, 11 sections |
| MD5: | CA49F4A547B07CE42887B4B43B058D9B |
| SHA1: | 8B32A299430D3A3BE7009ABB064E8568E814C24E |
| SHA256: | 75C586DA01D32F155A7CB27FD91A00A4104FEE81096787599FD28D5977B87F00 |
| SSDEEP: | 98304:+b3OETp8epOAfF+ztc+I0PrZFoLvOJbe2dpYtR/tUr3q3paKURRrzXxj6wjgsPx6:uLFo2 |
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:03:20 17:26:10+00:00 |
| ImageFileCharacteristics: | Executable, No line numbers, No symbols, Large address aware, No debug |
| PEType: | PE32+ |
| LinkerVersion: | 2.38 |
| CodeSize: | 105472 |
| InitializedDataSize: | 5958144 |
| UninitializedDataSize: | 10240 |
| EntryPoint: | 0x14b0 |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 5.2 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 116.0.5845.96 |
| ProductVersionNumber: | 116.0.5845.96 |
| FileFlagsMask: | 0x0000 |
| FileFlags: | (none) |
| FileOS: | Unknown (0) |
| ObjectFileType: | Unknown |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Windows, Latin1 |
| CompanyName: | Google Chrome |
| FileTitle: | - |
| FileDescription: | Google Chrome |
| FileVersion: | 116,0,5845,96 |
| LegalCopyright: | Copyright 2023 Google LLC. All rights reserved. |
| LegalTrademark: | - |
| ProductName: | Google LLC |
| ProductVersion: | 116,0,5845,96 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1096 | 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
| |||||||||||||||
| 1812 | "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
| |||||||||||||||
| 2108 | powercfg /x -standby-timeout-dc 0 | C:\Windows\System32\powercfg.exe | — | cmd.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Power Settings Command-Line Tool Exit code: 0 Version: 10.0.19041.1 (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
| |||||||||||||||
| 2340 | "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
| |||||||||||||||
| 2384 | "C:\Users\admin\AppData\Local\Temp\Best.exe" | C:\Users\admin\AppData\Local\Temp\Best.exe | — | explorer.exe | |||||||||||
User: admin Company: Google Chrome Integrity Level: MEDIUM Description: Google Chrome Exit code: 3221226540 Version: 116,0,5845,96 Modules
| |||||||||||||||
| 3304 | powercfg /x -hibernate-timeout-dc 0 | C:\Windows\System32\powercfg.exe | — | cmd.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Power Settings Command-Line Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4408 | "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
| |||||||||||||||
| 4776 | C:\WINDOWS\System32\schtasks.exe /run /tn "GoogleUpdateTaskMachineQC" | C:\Windows\System32\schtasks.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Task Scheduler Configuration Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5512 | powercfg /x -standby-timeout-ac 0 | C:\Windows\System32\powercfg.exe | — | cmd.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Power Settings Command-Line Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| (PID) Process: | (1812) 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: | (1812) 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: | (1812) 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: | (4408) 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: | (4408) 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: | (4408) 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: | (7664) 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: | (2340) 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: | (2340) 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: | (2340) 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 | Filename | Type | |
|---|---|---|---|---|
| 1812 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\Content\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D | — | |
MD5:— | SHA256:— | |||
| 1812 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\0ce02c80-0a5c-4740-8220-4436adaa9482.down_data | — | |
MD5:— | SHA256:— | |||
| 7228 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_ymn1ddsp.mzo.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 7180 | Best.exe | C:\Program Files\Google\Chrome\updater.exe | executable | |
MD5:CA49F4A547B07CE42887B4B43B058D9B | SHA256:75C586DA01D32F155A7CB27FD91A00A4104FEE81096787599FD28D5977B87F00 | |||
| 7408 | powershell.exe | C:\Windows\Temp\__PSScriptPolicyTest_1livg1w1.xdb.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 1812 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\Microsoft\CryptnetUrlCache\MetaData\26C212D9399727259664BDFCA073966E_F9F7D6A7ECE73106D2A8C63168CDA10D | binary | |
MD5:4BFACC50D854EAF54908B2D138878118 | SHA256:B79B459234B6F60F78232380DA68AE76217659DCA6EEA17EF4DE7543AFE255F3 | |||
| 7408 | powershell.exe | C:\Windows\Temp\__PSScriptPolicyTest_34204ocr.kz3.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 1812 | BackgroundTransferHost.exe | C:\Users\admin\AppData\Local\Packages\Microsoft.Windows.ContentDeliveryManager_cw5n1h2txyewy\AC\BackgroundTransferApi\0ce02c80-0a5c-4740-8220-4436adaa9482.918fc0cc-fcbc-47e4-a825-359df2440fb3.down_meta | binary | |
MD5:4E89012C30E8DCB84CCFAEE2CE0C4938 | SHA256:A01DE0E5DEBE6218CE7D44AC8DC0CD1DDBF07FF9C82D4CC6B3B85BB836EE9FFC | |||
| 7348 | updater.exe | C:\Windows\Temp\dayoswpmtwad.tmp | executable | |
MD5:0000AD7D11700C7A58324F8E1FA93D8C | SHA256:739A3778B679241B237AEE849948F85B340A18FD16D6C4B2F528A7C52582E4F3 | |||
| 7348 | updater.exe | C:\Program Files\Google\Libs\WR64.sys | executable | |
MD5:0C0195C48B6B8582FA6F6373032118DA | SHA256:11BD2C9F9E2397C9A16E0990E4ED2CF0679498FE0FD418A3DFDAC60B5C160EE5 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | GET | 200 | 23.48.23.180:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 23.63.118.230:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7888 | backgroundTaskHost.exe | GET | 200 | 23.63.118.230:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
1812 | BackgroundTransferHost.exe | GET | 200 | 23.63.118.230:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
4436 | SIHClient.exe | GET | 200 | 23.59.18.102:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
4436 | SIHClient.exe | GET | 200 | 23.59.18.102:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 23.48.23.180:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2104 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3216 | svchost.exe | 40.115.3.253:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 20.190.159.75:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 23.63.118.230:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
7888 | backgroundTaskHost.exe | 20.31.169.57:443 | arc.msn.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
7888 | backgroundTaskHost.exe | 23.63.118.230:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
arc.msn.com |
| whitelisted |
www.bing.com |
| whitelisted |
pool.hashvault.pro |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
2196 | svchost.exe | Crypto Currency Mining Activity Detected | ET COINMINER CoinMiner Domain in DNS Lookup (pool .hashvault .pro) |