| File name: | 2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom |
| Full analysis: | https://app.any.run/tasks/4dd988e7-2cce-4add-bdb6-4eab78e4eef6 |
| 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, 01:46:22 |
| 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: | B4649BF82DFCF0E7EC1AD7F4D1649D4A |
| SHA1: | 0003E78143958886A4E222B590B899ABD8A8756D |
| SHA256: | 269B9480561B8D57ED2A5791603A5EBEF15B3CC841DFCC393AC9545AB8374414 |
| SSDEEP: | 98304:Q9YEmbIFrx86GjVUMxV2SPXqAaIgrdi5oK13VuV3Pn4iyVBSvSSFx8OpcDVHvtKA:Q9lLp3Up5p |
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:04:20 13:31:57+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14.43 |
| CodeSize: | 453632 |
| InitializedDataSize: | 366592 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x40754 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7372 | "C:\Users\admin\Desktop\2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom.exe" | C:\Users\admin\Desktop\2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 8004 | 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
| |||||||||||||||
| (PID) Process: | (7372) 2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (7372) 2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (7372) 2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6876 | RUXIMICS.exe | GET | 200 | 2.20.245.139:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
7372 | 2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom.exe | POST | 200 | 88.214.48.93:80 | http://88.214.48.93/ea2cb15d61cc476f.php | unknown | — | — | malicious |
2104 | svchost.exe | GET | 200 | 2.20.245.139:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2104 | svchost.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6876 | RUXIMICS.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
— | — | GET | 304 | 172.202.163.200:443 | https://slscr.update.microsoft.com/SLS/%7B522D76A4-93E1-47F8-B8CE-07C937AD1A1E%7D/x64/10.0.19045.4046/0?CH=686&L=en-US&P=&PT=0x30&WUA=10.0.19041.3996&MK=DELL&MD=DELL | unknown | — | — | — |
7724 | SIHClient.exe | GET | 200 | 2.20.245.139:80 | http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl | unknown | — | — | whitelisted |
7724 | SIHClient.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
7724 | SIHClient.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.2.crl | unknown | — | — | whitelisted |
7724 | SIHClient.exe | GET | 200 | 2.23.181.156:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
6876 | RUXIMICS.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2104 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
7372 | 2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom.exe | 88.214.48.93:80 | — | SIA Singularity Telecom | US | malicious |
3216 | svchost.exe | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
2104 | svchost.exe | 2.20.245.139:80 | crl.microsoft.com | Akamai International B.V. | SE | whitelisted |
6876 | RUXIMICS.exe | 2.20.245.139:80 | crl.microsoft.com | Akamai International B.V. | SE | whitelisted |
2104 | svchost.exe | 2.23.181.156:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
login.live.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
PID | Process | Class | Message |
|---|---|---|---|
7372 | 2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom.exe | Misc Attack | ET DROP Spamhaus DROP Listed Traffic Inbound group 10 |
7372 | 2025-04-29_b4649bf82dfcf0e7ec1ad7f4d1649d4a_black-basta_cobalt-strike_satacom.exe | Misc Attack | ET DROP Dshield Block Listed Source group 1 |