| File name: | x40f44d2f66c7cfc9ccc6b10b1b31b1aa305afafeee664417344f72bd74cbcf36.exe |
| Full analysis: | https://app.any.run/tasks/01158a79-b5f3-49ff-9014-e3bb940281c0 |
| 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 03, 2026, 04:05:34 |
| 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, 13 sections |
| MD5: | 8F265354174C253FBD077CCAE776DF09 |
| SHA1: | 66BC389F7163150B15CDCAE9BFE04DC4461914A4 |
| SHA256: | 40F44D2F66C7CFC9CCC6B10B1B31B1AA305AFAFEEE664417344F72BD74CBCF36 |
| SSDEEP: | 49152:hVjhjVUMLZAiZ+J9EueHebQIzAqRJruoIQ9dsKXBHOxb+fMqCSqDjnZAiWsOs:htgMV9s9EueHqR4oIijXBHIzZ9P |
| .dll | | | Win32 Dynamic Link Library (generic) (38.3) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (26.3) |
| .exe | | | Clipper DOS Executable (11.7) |
| .exe | | | Generic Win/DOS Executable (11.6) |
| .exe | | | DOS Executable Generic (11.6) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2022:08:09 00:11:21+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 10 |
| CodeSize: | 204288 |
| InitializedDataSize: | 3815936 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x95f3 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 25.0.0.0 |
| ProductVersionNumber: | 61.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Unknown (0373) |
| CharacterSet: | Unknown (63B6) |
| FileDescriptions: | Buttiskamf |
| InternalName: | Bastard.exe |
| LegalTrademark1: | Fascal |
| OriginalFileName: | Lameros.exe |
| ProductName: | Jadocka |
| ProductVersion: | 57.38.26 |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4312 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 8100 -s 380 | C:\Windows\SysWOW64\WerFault.exe | x40f44d2f66c7cfc9ccc6b10b1b31b1aa305afafeee664417344f72bd74cbcf36.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6988 | 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 Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 8100 | "C:\Users\admin\Desktop\x40f44d2f66c7cfc9ccc6b10b1b31b1aa305afafeee664417344f72bd74cbcf36.exe" | C:\Users\admin\Desktop\x40f44d2f66c7cfc9ccc6b10b1b31b1aa305afafeee664417344f72bd74cbcf36.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221225501 Modules
| |||||||||||||||
| (PID) Process: | (6988) slui.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\3d\52C64B7E |
| Operation: | write | Name: | @%SystemRoot%\System32\sppcomapi.dll,-3200 |
Value: Software Licensing | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4312 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_x40f44d2f66c7cfc_53d59be27f25ca676d4b28c5b0fa35e7ac5f4e4_36c7b69e_8834a471-b58d-48e4-aadb-396836a5990d\Report.wer | — | |
MD5:— | SHA256:— | |||
| 4312 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER1BC1.tmp.dmp | binary | |
MD5:EEE7899F9114A8BB3A1749EB22C6FE38 | SHA256:728DC888029AE320873B38074122F67142AB9065EF550D72561BECBEA7B58F77 | |||
| 4312 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\x40f44d2f66c7cfc9ccc6b10b1b31b1aa305afafeee664417344f72bd74cbcf36.exe.8100.dmp | binary | |
MD5:B769DA8F251A160C32858B9B4FF01427 | SHA256:7695487D7FAFF391E22D871AAD425EDFD1AB815D9D2C6C7F3B509C617F0D9B79 | |||
| 4312 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER1C20.tmp.WERInternalMetadata.xml | xml | |
MD5:A4B611CAE988D7407F8BBD40881C8FD9 | SHA256:63B1AA1A52DA511BEEE856C58EC3A8D2349C52AB368D558B8D5BE474DD5A2995 | |||
| 4312 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER1C5F.tmp.xml | xml | |
MD5:D58FBADC52AF7D99B0F3FF781781DA60 | SHA256:17533884AF88895EB97D3A43622CB9749AD75689E27C8F345D1AFF27DE537FF9 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5484 | svchost.exe | GET | 304 | 20.73.194.208:443 | https://settings-win.data.microsoft.com/settings/v3.0/WSD/WaasMedic?os=Windows&osVer=10.0.19041.1.amd64fre.vb_release.191206-&appVer=10.0.19041.3758&ring=Retail&sku=48&deviceClass=Windows.Desktop&locale=en-US&deviceId=BAD99146-31D3-4EC6-A1A4-BE76F32BA5D4 | US | — | — | whitelisted |
5276 | MoUsoCoreWorker.exe | GET | 304 | 20.73.194.208:443 | https://settings-win.data.microsoft.com/settings/v3.0/wsd/muse?ProcessorClockSpeed=3094&FlightIds=&UpdateOfferedDays=4294967295&BranchReadinessLevel=CB&OEMManufacturerName=DELL&IsCloudDomainJoined=0&ProcessorIdentifier=AMD64%20Family%2023%20Model%201%20Stepping%202&sku=48&ActivationChannel=Retail&AttrDataVer=186&IsMDMEnrolled=0&ProcessorCores=6&ProcessorModel=AMD%20Ryzen%205%203500%206-Core%20Processor&TotalPhysicalRAM=6144&PrimaryDiskType=4294967295&FlightingBranchName=&ChassisTypeId=1&OEMModelNumber=DELL&SystemVolumeTotalCapacity=260281&sampleId=95271487&deviceClass=Windows.Desktop&App=muse&DisableDualScan=0&AppVer=10.0&OEMSubModel=J5CR&locale=en-US&IsAlwaysOnAlwaysConnectedCapable=0&ms=0&DefaultUserRegion=244&UpdateServiceUrl=http%3A%2F%2Fneverupdatewindows10.com&osVer=10.0.19045.4046.amd64fre.vb_release.191206-1406&os=windows&deviceId=s%3ABAD99146-31D3-4EC6-A1A4-BE76F32BA5D4&DeferQualityUpdatePeriodInDays=0&ring=Retail&DeferFeatureUpdatePeriodInDays=30 | US | — | — | whitelisted |
5484 | svchost.exe | GET | 200 | 23.59.18.102:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | US | binary | 814 b | whitelisted |
5484 | svchost.exe | GET | 200 | 23.216.77.42:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | NL | binary | 825 b | whitelisted |
3280 | svchost.exe | GET | 200 | 23.59.18.102:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.3.crl | US | binary | 813 b | whitelisted |
6988 | slui.exe | POST | 500 | 48.192.1.65:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | US | text | 512 b | whitelisted |
3280 | svchost.exe | GET | 200 | 23.59.18.102:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | US | binary | 409 b | whitelisted |
3280 | svchost.exe | GET | 200 | 23.59.18.102:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | US | binary | 419 b | whitelisted |
3280 | svchost.exe | GET | 200 | 23.216.77.6:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl | NL | binary | 824 b | whitelisted |
3280 | svchost.exe | GET | 200 | 23.59.18.102:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.3.crl | US | binary | 400 b | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
5484 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
4 | System | 192.168.100.255:137 | — | Not routed | — | whitelisted |
5276 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
7988 | slui.exe | 48.192.1.65:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
4 | System | 192.168.100.255:138 | — | Not routed | — | whitelisted |
5484 | svchost.exe | 23.216.77.42:80 | crl.microsoft.com | AKAMAI-ASN1 | NL | whitelisted |
5484 | svchost.exe | 23.59.18.102:80 | www.microsoft.com | AKAMAI-AS | US | whitelisted |
5276 | MoUsoCoreWorker.exe | 23.59.18.102:80 | www.microsoft.com | AKAMAI-AS | US | whitelisted |
5276 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5484 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
watson.events.data.microsoft.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
5484 | svchost.exe | Unknown Traffic | ET USER_AGENTS Microsoft Dr Watson User-Agent (MSDW) |