| File name: | a26095cf5fff9a7ec04c3fd3fb60372f38f3dc300addf4983e0ce4f7490ef7b2.exe |
| Full analysis: | https://app.any.run/tasks/f1711974-3bd0-4247-9de7-d457aab64987 |
| Verdict: | Malicious activity |
| Threats: | Stealc is a stealer malware that targets victims’ sensitive data, which it exfiltrates from browsers, messaging apps, and other software. The malware is equipped with advanced features, including fingerprinting, control panel, evasion mechanisms, string obfuscation, etc. Stealc establishes persistence and communicates with its C2 server through HTTP POST requests. |
| Analysis date: | April 29, 2025, 14:47:14 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (GUI) x86-64, for MS Windows, 5 sections |
| MD5: | 12247EBF4653796EC00ABD7C8F59B149 |
| SHA1: | 7181B8D68AAC0861EF505E6FE00B6A4E33A06F3F |
| SHA256: | A26095CF5FFF9A7EC04C3FD3FB60372F38F3DC300ADDF4983E0CE4F7490EF7B2 |
| SSDEEP: | 24576:rHbmRMFgEmArJeNP8eoSBTms/w77rS1Ag:HmagEmArJokeoSBTms/w77rS1Ag |
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:04:08 18:52:40+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14.43 |
| CodeSize: | 450048 |
| InitializedDataSize: | 369152 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x3f864 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 660 | "C:\Users\admin\AppData\Local\Temp\a26095cf5fff9a7ec04c3fd3fb60372f38f3dc300addf4983e0ce4f7490ef7b2.exe" | C:\Users\admin\AppData\Local\Temp\a26095cf5fff9a7ec04c3fd3fb60372f38f3dc300addf4983e0ce4f7490ef7b2.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
Stealc(PID) Process(660) a26095cf5fff9a7ec04c3fd3fb60372f38f3dc300addf4983e0ce4f7490ef7b2.exe C2 (1)91.92.46.133/8f11bd01520293d6.php Keys RC4 (1)QThYf0OqcX Strings (53)20 04 20 25 kernel32.dll advapi32.dll GetProcAddress LoadLibraryA ExitProcess CloseHandle GetUserDefaultLangID OpenEventW CreateEventW Sleep GetComputerNameW GetUserNameW 91.92.46.133 /8f11bd01520293d6.php gdiplus.dll crypt32.dll gdi32.dll rstrtmgr.dll ole32.dll winhttp.dll user32.dll shlwapi.dll shell32.dll ntdll.dll GdipGetImageEncodersSize GdipGetImageEncoders GdipCreateBitmapFromHBITMAP GdiplusStartup GdiplusShutdown GdipSaveImageToStream GdipDisposeImage RegQueryValueExA RegEnumKeyExA RegQueryValueExW RegOpenKeyExW RegCloseKey ConvertStringSecurityDescriptorToSecurityDescriptorA RegOpenKeyExA CryptUnprotectData CryptStringToBinaryA CryptBinaryToStringA CreateCompatibleBitmap SelectObject CreateCompatibleDC DeleteDC DeleteObject BitBlt RmGetList RmRegisterResources ExpirationDate2025-04-20 | |||||||||||||||
| 4164 | "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
| |||||||||||||||
| 5508 | 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
| |||||||||||||||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.216.77.30:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | GET | 200 | 23.216.77.30:80 | 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 |
— | — | 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 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
632 | SIHClient.exe | GET | 200 | 23.219.150.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
632 | SIHClient.exe | GET | 200 | 23.219.150.101:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 40.127.240.158:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | unknown |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 23.216.77.30:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.216.77.30:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
— | — | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | 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 |
3216 | svchost.exe | 172.211.123.249:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 20.190.160.128:443 | 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 |
Domain | IP | Reputation |
|---|---|---|
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |