| File name: | Setup.exe |
| Full analysis: | https://app.any.run/tasks/d8b86026-1745-4319-8ab7-1e1eddc189fb |
| 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: | October 22, 2024, 19:36:31 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | C8687819E25E617AF1C5C300E8C34320 |
| SHA1: | 254F0BB6FE2E8583130FCB51E015AC08B53CAA32 |
| SHA256: | 7AE68A7B475FE3CCD474DE7CFCD7752E707C6A58DD1EC1123A8F42DC52ADCE9D |
| SSDEEP: | 24576:2RmVUfw3s5Jyw3luNHOrzaGKNc/G9PO5mrKFVn0FVnh:2ReUfw3s5Jyw3luNHOrzaGKNc/GJO5mR |
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:10:11 16:49:54+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.41 |
| CodeSize: | 135680 |
| InitializedDataSize: | 373248 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x6bf0 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4224 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 5828 -s 724 | C:\Windows\SysWOW64\WerFault.exe | Setup.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5584 | "C:\Users\admin\Desktop\Setup.exe" | C:\Users\admin\Desktop\Setup.exe | Setup.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 0 Modules
| |||||||||||||||
| 5828 | "C:\Users\admin\Desktop\Setup.exe" | C:\Users\admin\Desktop\Setup.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Exit code: 3221225477 Modules
| |||||||||||||||
| 5932 | "C:\Users\admin\Desktop\Setup.exe" | C:\Users\admin\Desktop\Setup.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
| (PID) Process: | (5584) Setup.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (5584) Setup.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (5584) Setup.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
| (PID) Process: | (4224) WerFault.exe | Key: | \REGISTRY\A\{bbbbbc9f-73e6-8fa2-8249-a66cbf0926ad}\Root\InventoryApplicationFile |
| Operation: | write | Name: | WritePermissionsCheck |
Value: 1 | |||
| (PID) Process: | (4224) WerFault.exe | Key: | \REGISTRY\A\{bbbbbc9f-73e6-8fa2-8249-a66cbf0926ad}\Root\InventoryApplicationFile\PermissionsCheckTestKey |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (4224) WerFault.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\IdentityCRL\ClockData |
| Operation: | write | Name: | ClockTimeSeconds |
Value: CCFE176700000000 | |||
| (PID) Process: | (4224) WerFault.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\IdentityCRL\ClockData |
| Operation: | write | Name: | TickCount |
Value: FCD4080000000000 | |||
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 4224 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_Setup.exe_unknow_5ca74252fe2189144d1cf7172d24dac326db8e_c00d4c7a_20f3cbdb-dc3c-45c0-ae25-c13c02256249\Report.wer | — | |
MD5:— | SHA256:— | |||
| 4224 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\Setup.exe.5828.dmp | binary | |
MD5:475522342CAF22F67A35F766BE5C4AF1 | SHA256:3C009CF333A25C9165E657E80FB51BFE9B091B6908303D4872B6CD42200C925E | |||
| 4224 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WERD386.tmp.WERInternalMetadata.xml | xml | |
MD5:4F583F3DD3CF0CE3261DB32846CE68AF | SHA256:B0C925383C9989C3F08533B549D1E249C236029E068375E91024191DA5DD7608 | |||
| 4224 | WerFault.exe | C:\Windows\appcompat\Programs\Amcache.hve | binary | |
MD5:D27E6DD49C598D9D92A6309DB018BF4B | SHA256:B32F296BB9D01D6DBBD61AC36EA67347BFCD9C788C78881B7C11813D9D1104AE | |||
| 4224 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WERD2E9.tmp.dmp | binary | |
MD5:8CF27BE4F5FEE0FBD45B012F712C9EB7 | SHA256:2C5E78041462FAC140D95001B3F9606843F54CBDD06DD1C24CB447737383D029 | |||
| 4224 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WERD3A6.tmp.xml | xml | |
MD5:18A29087D6426E459568CA115D044E37 | SHA256:8871F19806C9B37ACCF201B672497A0D5A407337216D126B718A49DE6AE9EB15 | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6944 | svchost.exe | GET | 200 | 2.16.241.19:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | GET | 200 | 2.16.241.19:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2660 | RUXIMICS.exe | GET | 200 | 2.16.241.19:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6944 | svchost.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2660 | RUXIMICS.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5584 | Setup.exe | GET | 200 | 95.217.125.57:80 | http://95.217.125.57/ | unknown | — | — | malicious |
5584 | Setup.exe | POST | 200 | 95.217.125.57:80 | http://95.217.125.57/2f571d994666c8cb.php | unknown | — | — | malicious |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
6944 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
2660 | RUXIMICS.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5488 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 2.23.209.177:443 | www.bing.com | Akamai International B.V. | GB | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6944 | svchost.exe | 2.16.241.19:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5488 | MoUsoCoreWorker.exe | 2.16.241.19:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
2660 | RUXIMICS.exe | 2.16.241.19:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
6944 | svchost.exe | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
www.bing.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 |
|---|---|---|---|
5584 | Setup.exe | Malware Command and Control Activity Detected | STEALER [ANY.RUN] Stealc HTTP POST Request |
5584 | Setup.exe | Malware Command and Control Activity Detected | ET MALWARE [SEKOIA.IO] Win32/Stealc C2 Check-in |