| File name: | healthcheck.exe |
| Full analysis: | https://app.any.run/tasks/c67a805c-92ae-4e39-be69-ea94e25b2578 |
| Verdict: | Malicious activity |
| Analysis date: | September 02, 2024, 12:48:53 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 35B66EB36EF0CC6B9B5209C01AFFD9CC |
| SHA1: | A19396017619338EB5BD905D84A081B57EE3A369 |
| SHA256: | 38990FD76CA03568D12B193C03DEEE648DFE97F21899E6FB2CE573A675BFAB3F |
| SSDEEP: | 1536:ok318TDSUvTcRUQ5bOSmcRzudS0xuhaewjXr47NcZY/6KYyvYxYQjnPx1mXZmaRU:oo18TDnbcmQ5SpCIU8CLzA/WpXaMk1 |
MALICIOUS
Uses AES cipher (POWERSHELL)
- healthcheck.exe (PID: 4128)
SUSPICIOUS
Reads security settings of Internet Explorer
- healthcheck.exe (PID: 4128)
Checks Windows Trust Settings
- healthcheck.exe (PID: 4128)
The process hides Powershell's copyright startup banner
- healthcheck.exe (PID: 4128)
Starts POWERSHELL.EXE for commands execution
- healthcheck.exe (PID: 4128)
Searches for installed software
- healthcheck.exe (PID: 4128)
The process bypasses the loading of PowerShell profile settings
- healthcheck.exe (PID: 4128)
Using 'findstr.exe' to search for text patterns in files and output
- powershell.exe (PID: 7116)
Writes data into a file (POWERSHELL)
- healthcheck.exe (PID: 4128)
INFO
Checks supported languages
- healthcheck.exe (PID: 4128)
Reads the computer name
- healthcheck.exe (PID: 4128)
Reads the machine GUID from the registry
- healthcheck.exe (PID: 4128)
Reads Environment values
- healthcheck.exe (PID: 4128)
Create files in a temporary directory
- healthcheck.exe (PID: 4128)
Found Base64 encoded file access via PowerShell (YARA)
- healthcheck.exe (PID: 4128)
Found Base64 encoded access to Registry via PowerShell (YARA)
- healthcheck.exe (PID: 4128)
Found Base64 encoded encryption-related PowerShell classes (YARA)
- healthcheck.exe (PID: 4128)
Found Base64 encoded reflection usage via PowerShell (YARA)
- healthcheck.exe (PID: 4128)
Found Base64 encoded access to processes via PowerShell (YARA)
- healthcheck.exe (PID: 4128)
Found Base64 encoded text manipulation via PowerShell (YARA)
- healthcheck.exe (PID: 4128)
Found Base64 encoded reference to WMI classes (YARA)
- healthcheck.exe (PID: 4128)
The process uses the downloaded file
- healthcheck.exe (PID: 4128)
Checks proxy server information
- healthcheck.exe (PID: 4128)
Creates files or folders in the user directory
- healthcheck.exe (PID: 4128)
Reads the software policy settings
- healthcheck.exe (PID: 4128)
- slui.exe (PID: 6368)
Uses string split method (POWERSHELL)
- healthcheck.exe (PID: 4128)
Checks if a key exists in the options dictionary (POWERSHELL)
- healthcheck.exe (PID: 4128)
Script raised an exception (POWERSHELL)
- powershell.exe (PID: 7116)
Gets data length (POWERSHELL)
- healthcheck.exe (PID: 4128)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (49.4) |
|---|---|---|
| .scr | | | Windows screen saver (23.4) |
| .dll | | | Win32 Dynamic Link Library (generic) (11.7) |
| .exe | | | Win32 Executable (generic) (8) |
| .exe | | | Generic Win/DOS Executable (3.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2021:09:23 09:02:06+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 11 |
| CodeSize: | 138240 |
| InitializedDataSize: | 42496 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x23a7e |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.1.0.0 |
| ProductVersionNumber: | 1.1.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| FileDescription: | ARCON HEALTHCHECK TOOL |
| FileVersion: | 1.1 |
| InternalName: | healthcheck.exe |
| LegalCopyright: | ARCON TECHSOLUTIONS |
| OriginalFileName: | healthcheck.exe |
| ProductName: | ARCON |
| ProductVersion: | 1.1 |
| AssemblyVersion: | 1.1.0.0 |
Total processes
141
Monitored processes
12
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 872 | "C:\WINDOWS\system32\findstr.exe" VersionString | C:\Windows\System32\findstr.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Find String (QGREP) Utility Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1168 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2660 | "C:\WINDOWS\system32\reg.exe" query \\DESKTOP-JGLLJLD\HKLM\SOFTWARE\Microsoft\InetStp\ | C:\Windows\System32\reg.exe | — | powershell.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 1 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3652 | 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
| |||||||||||||||
| 3708 | "C:\WINDOWS\system32\HOSTNAME.EXE" | C:\Windows\System32\HOSTNAME.EXE | — | healthcheck.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Hostname APP Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 3716 | 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
| |||||||||||||||
| 4128 | "C:\Users\admin\AppData\Local\Temp\healthcheck.exe" | C:\Users\admin\AppData\Local\Temp\healthcheck.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: ARCON HEALTHCHECK TOOL Exit code: 0 Version: 1.1 Modules
| |||||||||||||||
| 5720 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | healthcheck.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6368 | "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
| |||||||||||||||
| 6452 | C:\WINDOWS\winsxs\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.3989_none_7ddb45627cb30e03\TiWorker.exe -Embedding | C:\Windows\WinSxS\amd64_microsoft-windows-servicingstack_31bf3856ad364e35_10.0.19041.3989_none_7ddb45627cb30e03\TiWorker.exe | — | svchost.exe | |||||||||||
User: SYSTEM Company: Microsoft Corporation Integrity Level: SYSTEM Description: Windows Modules Installer Worker Version: 10.0.19041.3989 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
22 888
Read events
22 877
Write events
11
Delete events
0
Modification events
| (PID) Process: | (4128) healthcheck.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (4128) healthcheck.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (4128) healthcheck.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (4128) healthcheck.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
| (PID) Process: | (6452) TiWorker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\SideBySide |
| Operation: | write | Name: | LastScavengingStarvationReport |
Value: E7F1A7AB36FDDA01 | |||
| (PID) Process: | (6452) TiWorker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing |
| Operation: | write | Name: | SessionIdHigh |
Value: 31128886 | |||
| (PID) Process: | (6452) TiWorker.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Component Based Servicing |
| Operation: | write | Name: | SessionIdLow |
Value: | |||
Executable files
0
Suspicious files
4
Text files
7
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4128 | healthcheck.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\8EC9B1D0ABBD7F98B401D425828828CE_FC1CD70C896F7A87055DDE9FC6ABE48B | der | |
MD5:03C7A1FC86E7888FDADF80C95FCAF561 | SHA256:6E60D209ADE01B5AF4AD227F438AD772EF4884B8E6325C8947463245C550618E | |||
| 4128 | healthcheck.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_o0slgifv.0ew.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 4128 | healthcheck.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_tisoolzl.302.psm1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 7116 | powershell.exe | C:\Users\admin\AppData\Local\Temp\__PSScriptPolicyTest_d435cd30.kwz.ps1 | text | |
MD5:D17FE0A3F47BE24A6453E9EF58C94641 | SHA256:96AD1146EB96877EAB5942AE0736B82D8B5E2039A80D3D6932665C1A4C87DCF7 | |||
| 4128 | healthcheck.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141 | der | |
MD5:7327332A7FF3290684FEBF9728F937CF | SHA256:BC1BF7D60E813F1741B7CDB35FE0B74F8495E3D5066649B0705FF06808D25432 | |||
| 4128 | healthcheck.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\PowerShell\ModuleAnalysisCache | binary | |
MD5:441FBB21B8288C47BCC87951A6352D91 | SHA256:2549E0A3A55F8DF58BCBEFD4503E4D59D64E9F5FB33A9FC7D02F69EF6EBBCAD9 | |||
| 4128 | healthcheck.exe | C:\Users\admin\AppData\Local\Temp\DESKTOP-JGLLJLD summary.txt.encrypted | binary | |
MD5:FB98560E330128E39EA166844B54901D | SHA256:E031DE2D6B183AF20BB2C6BB36CC0E5AA279AA46F040ED35E345BC765C817F15 | |||
| 4128 | healthcheck.exe | C:\Users\admin\AppData\Local\Temp\DESKTOP-JGLLJLD summary.txt | text | |
MD5:DAB762C04BBEC484DFDE3BF2D3B731FB | SHA256:80B2DC59F931F0F76EC6939C73780B452179A34F7D5B74495A202505179D1CC6 | |||
| 4128 | healthcheck.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\C8E534EE129F27D55460CE17FD628216_1130D9B25898B0DB0D4F04DC5B93F141 | binary | |
MD5:D1664AB14CFF240992C4D20F3FE54D12 | SHA256:2EBC77D9757F49846AB09563536B6DB04690AA6BC41FBDD17AA202258226C7BA | |||
| 4128 | healthcheck.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\8EC9B1D0ABBD7F98B401D425828828CE_FC1CD70C896F7A87055DDE9FC6ABE48B | binary | |
MD5:FB98720F0BAF4B3BFAED4A37FADE7C68 | SHA256:962C3B8767396033037285BD68838584A0056882B03D4A49095E82586BBC852E | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
5
TCP/UDP connections
27
DNS requests
14
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1992 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
2612 | SIHClient.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
2612 | SIHClient.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
4128 | healthcheck.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfIs%2BLjDtGwQ09XEB1Yeq%2BtX%2BBgQQU7NfjgtJxXWRM3y5nP%2Be6mK4cD08CEAitQLJg0pxMn17Nqb2Trtk%3D | unknown | — | — | whitelisted |
4128 | healthcheck.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSRXerF0eFeSWRripTgTkcJWMm7iQQUaDfg67Y7%2BF8Rhvv%2BYXsIiGX0TkICEA47qqQXFjXtHMGQjNpdETI%3D | 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 | 192.168.100.255:138 | — | — | — | whitelisted |
2120 | MoUsoCoreWorker.exe | 20.73.194.208:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6404 | RUXIMICS.exe | 20.73.194.208:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6164 | svchost.exe | 20.73.194.208:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6164 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3260 | svchost.exe | 40.113.103.199:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2120 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1992 | svchost.exe | 20.190.160.14:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
1992 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
2612 | SIHClient.exe | 20.12.23.50:443 | slscr.update.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |