| File name: | 72c738c85a44145248aa34d090ebb9fb766c43f198483918e13d7afb5c27bdc1 |
| Full analysis: | https://app.any.run/tasks/bf9f3c5b-36a6-460d-99f8-62336dc334e3 |
| Verdict: | Malicious activity |
| Threats: | Cobalt Strike is a legitimate penetration software toolkit developed by Forta. But its cracked versions are widely adopted by bad actors, who use it as a C2 system of choice for targeted attacks. |
| Analysis date: | April 19, 2025, 09:39:56 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32+ executable (console) x86-64, for MS Windows, 6 sections |
| MD5: | B8BEC125DC6A4022833D0F4DD81B702B |
| SHA1: | 8A00CB31CDC48C32A0CF802E956DAEF5DAABB21F |
| SHA256: | 72C738C85A44145248AA34D090EBB9FB766C43F198483918E13D7AFB5C27BDC1 |
| SSDEEP: | 6144:MyOlEPL9j+XFkRNxs0NxB4bHDEmhIS5SZ3HutadYGZVph9JULrYw7cGMxyf:MyOlkk1+BNxBoEmrQ3vdhLP9JULV9Ff |
MALICIOUS
COBALTSTRIKE has been detected (YARA)
- winlogon.exe (PID: 7580)
SUSPICIOUS
No suspicious indicators.INFO
Checks proxy server information
- winlogon.exe (PID: 7580)
- slui.exe (PID: 7912)
Reads security settings of Internet Explorer
- winlogon.exe (PID: 7580)
Checks supported languages
- 72c738c85a44145248aa34d090ebb9fb766c43f198483918e13d7afb5c27bdc1.exe (PID: 7512)
The sample compiled with chinese language support
- 72c738c85a44145248aa34d090ebb9fb766c43f198483918e13d7afb5c27bdc1.exe (PID: 7512)
Reads the software policy settings
- slui.exe (PID: 7912)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
CobalStrike
(PID) Process(7580) winlogon.exe
C2 (1)127.0.0.1/IE9CompatViewList.xml
BeaconTypeHTTP
Port80
SleepTime60000
MaxGetSize1048576
Jitter0
MaxDNS255
PublicKey-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTUlJ7J79z/MkkV8+MsYlOvREE
2hhdGNzrKPFZ10lY0K5legA+um5JxESEaC0woDgSmOGrkh1giz/aQwd6tG4mihFg
pi0oIbfwu6XZbE6ghYGyu2F7+A5TifRUzvU0YLXjK78EW12XhjHx4KopMF/AtOAu
eGwfiI2DmXwNzrBDvwIDAQAB
-----END PUBLIC KEY-----
UserAgentMozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; QQDownload 733; .NET CLR 2.0.50727)
HttpPostUri/submit.php
HttpGet_Metadata
SessionId (2)base64
header: Cookie
HttpPost_Metadata
ConstHeaders (1)Content-Type: application/octet-stream
SessionId (1)parameter: id
Output (1)print
SpawnTo00000000000000000000000000000000
Spawnto_x86%windir%\syswow64\rundll32.exe
Spawnto_x64%windir%\sysnative\rundll32.exe
CryptoScheme0
DNS_Idle0.0.0.0
DNS_Sleep0
HttpGet_VerbGET
HttpPost_VerbPOST
HttpPostChunk0
Watermark305419896
bStageCleanupFalse
bCFGCautionFalse
bUsesCookies0001
Proxy_BehaviorUse IE settings
KillDate0-0-0
bProcInject_StartRWXTrue
bProcInject_UseRWXTrue
bProcInject_MinAllocSize0
ProcInject_PrependAppend_x86000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
ProcInject_PrependAppend_x64000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000...
ProcInject_Stuba56c813864af878a4c10083ca1578e0a
ProcInject_AllocationMethodVirtualAllocEx
TRiD
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:04:19 08:23:49+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14.43 |
| CodeSize: | 9216 |
| InitializedDataSize: | 406016 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x29bc |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows command line |
| FileVersionNumber: | 3.1.2.1 |
| ProductVersionNumber: | 3.1.2.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Windows NT 32-bit |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Chinese (Simplified) |
| CharacterSet: | Unicode |
| CompanyName: | LSZ |
| FileDescription: | LSZ's Paper |
| FileVersion: | 3.1.2.1 |
| InternalName: | AA-Virus.exe |
| LegalCopyright: | Copyright (C) 2025 |
| OriginalFileName: | AA-Virus.exe |
| ProductName: | LSZ's Paper |
| ProductVersion: | 3.1.2.1 |
Total processes
125
Monitored processes
4
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7512 | "C:\Users\admin\Desktop\72c738c85a44145248aa34d090ebb9fb766c43f198483918e13d7afb5c27bdc1.exe" | C:\Users\admin\Desktop\72c738c85a44145248aa34d090ebb9fb766c43f198483918e13d7afb5c27bdc1.exe | — | explorer.exe | |||||||||||
User: admin Company: LSZ Integrity Level: MEDIUM Description: LSZ's Paper Exit code: 0 Version: 3.1.2.1 Modules
| |||||||||||||||
| 7520 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | 72c738c85a44145248aa34d090ebb9fb766c43f198483918e13d7afb5c27bdc1.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
| |||||||||||||||
| 7580 | winlogon | C:\Windows\System32\winlogon.exe | 72c738c85a44145248aa34d090ebb9fb766c43f198483918e13d7afb5c27bdc1.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Logon Application Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
CobalStrike(PID) Process(7580) winlogon.exe C2 (1)127.0.0.1/IE9CompatViewList.xml BeaconTypeHTTP Port80 SleepTime60000 MaxGetSize1048576 Jitter0 MaxDNS255 PublicKey-----BEGIN PUBLIC KEY-----
MIGfMA0GCSqGSIb3DQEBAQUAA4GNADCBiQKBgQCTUlJ7J79z/MkkV8+MsYlOvREE
2hhdGNzrKPFZ10lY0K5legA+um5JxESEaC0woDgSmOGrkh1giz/aQwd6tG4mihFg
pi0oIbfwu6XZbE6ghYGyu2F7+A5TifRUzvU0YLXjK78EW12XhjHx4KopMF/AtOAu
eGwfiI2DmXwNzrBDvwIDAQAB
-----END PUBLIC KEY----- UserAgentMozilla/4.0 (compatible; MSIE 8.0; Windows NT 5.1; Trident/4.0; QQDownload 733; .NET CLR 2.0.50727) HttpPostUri/submit.php HttpGet_Metadata SessionId (2)base64 header: Cookie HttpPost_Metadata ConstHeaders (1)Content-Type: application/octet-stream SessionId (1)parameter: id Output (1)print SpawnTo00000000000000000000000000000000 Spawnto_x86%windir%\syswow64\rundll32.exe Spawnto_x64%windir%\sysnative\rundll32.exe CryptoScheme0 DNS_Idle0.0.0.0 DNS_Sleep0 HttpGet_VerbGET HttpPost_VerbPOST HttpPostChunk0 Watermark305419896 bStageCleanupFalse bCFGCautionFalse bUsesCookies0001 Proxy_BehaviorUse IE settings KillDate0-0-0 bProcInject_StartRWXTrue bProcInject_UseRWXTrue bProcInject_MinAllocSize0 ProcInject_PrependAppend_x86000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000... ProcInject_PrependAppend_x64000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000... ProcInject_Stuba56c813864af878a4c10083ca1578e0a ProcInject_AllocationMethodVirtualAllocEx | |||||||||||||||
| 7912 | 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
| |||||||||||||||
Total events
3 861
Read events
3 861
Write events
0
Delete events
0
Modification events
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
3
TCP/UDP connections
21
DNS requests
5
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6876 | RUXIMICS.exe | GET | 200 | 23.216.77.20:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
— | — | POST | 500 | 40.91.76.224:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | whitelisted |
— | — | POST | 500 | 40.91.76.224:443 | https://activation-v2.sls.microsoft.com/SLActivateProduct/SLActivateProduct.asmx?configextension=Retail | unknown | xml | 512 b | 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 | 192.168.100.255:137 | — | — | — | whitelisted |
6876 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
— | — | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6876 | RUXIMICS.exe | 23.216.77.20:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
7280 | slui.exe | 40.91.76.224:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
7912 | slui.exe | 40.91.76.224:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |