| File name: | 85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc.zip |
| Full analysis: | https://app.any.run/tasks/37ac7105-a41e-4439-8cba-6e120ab40e38 |
| 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: | May 15, 2025, 14:33:24 |
| OS: | Windows 10 Professional (build: 19044, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/zip |
| File info: | Zip archive data, at least v5.1 to extract, compression method=AES Encrypted |
| MD5: | 1C19D659E60A1416473A87E31C41AF9F |
| SHA1: | 81F8CB0E6BCF88EC081434392EE5DD74093E13E1 |
| SHA256: | 41B6D95EABAD95576E217165AC7E91E690A552C5B55FAC8269D5C695B9E18666 |
| SSDEEP: | 192:fb7h/OsvdJJ1TA3lomP2L0fnN7wS90KaVkqodPVnV:gsh1M1xvfph65VkD9nV |
MALICIOUS
COBALTSTRIKE has been detected (YARA)
- WerFault.exe (PID: 7612)
SUSPICIOUS
Executes application which crashes
- WerFault.exe (PID: 5552)
- WerFault.exe (PID: 4120)
- WerFault.exe (PID: 7612)
Application launched itself
- WerFault.exe (PID: 4120)
- WerFault.exe (PID: 5552)
- WerFault.exe (PID: 7612)
INFO
Manual execution by a user
- kerbupdate.exe (PID: 4620)
- WinRAR.exe (PID: 6972)
- WinRAR.exe (PID: 1276)
- kerbupdate.exe (PID: 1532)
- kerbupdate.exe (PID: 7756)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 6972)
Checks supported languages
- kerbupdate.exe (PID: 1532)
- kerbupdate.exe (PID: 4620)
- kerbupdate.exe (PID: 7756)
Reads the computer name
- kerbupdate.exe (PID: 1532)
- kerbupdate.exe (PID: 4620)
- kerbupdate.exe (PID: 7756)
Reads the software policy settings
- slui.exe (PID: 7524)
- slui.exe (PID: 4408)
- WerFault.exe (PID: 5552)
- WerFault.exe (PID: 7612)
Reads the machine GUID from the registry
- kerbupdate.exe (PID: 1532)
- kerbupdate.exe (PID: 7756)
- kerbupdate.exe (PID: 4620)
Checks proxy server information
- WerFault.exe (PID: 4120)
- slui.exe (PID: 4408)
- WerFault.exe (PID: 5552)
- WerFault.exe (PID: 7612)
Creates files or folders in the user directory
- WerFault.exe (PID: 2140)
Reads security settings of Internet Explorer
- WerFault.exe (PID: 4120)
- WerFault.exe (PID: 5552)
- WerFault.exe (PID: 7612)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
CobalStrike
(PID) Process(7612) WerFault.exe
C2azure-abceg2bzbphegfhp.z01.azurefd.net:443/Lp2o
HeadersUser-Agent: Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/80.0.3987.132 Safari/537.36 Edg/80.0.361.66
TRiD
| .zip | | | ZIP compressed archive (100) |
|---|
EXIF
ZIP
| ZipRequiredVersion: | 51 |
|---|---|
| ZipBitFlag: | 0x0003 |
| ZipCompression: | Unknown (99) |
| ZipModifyDate: | 2025:05:15 14:31:08 |
| ZipCRC: | 0xaaf4ae5e |
| ZipCompressedSize: | 6546 |
| ZipUncompressedSize: | 6571 |
| ZipFileName: | 85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc.zip |
Total processes
155
Monitored processes
16
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 720 | C:\WINDOWS\System32\rundll32.exe C:\WINDOWS\System32\shell32.dll,SHCreateLocalServerRunDll {9aa46009-3ce0-458a-a354-715610a075e6} -Embedding | C:\Windows\System32\rundll32.exe | — | svchost.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1276 | "C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc.zip" "?\" | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 1532 | "C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\kerbupdate.exe" | C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\kerbupdate.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Himalaya Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 2140 | C:\WINDOWS\system32\WerFault.exe -u -p 4120 -s 1432 | C:\Windows\System32\WerFault.exe | — | WerFault.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4120 | C:\Windows\System32\WerFault.exe | C:\Windows\System32\WerFault.exe | kerbupdate.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 3221225477 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4408 | 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
| |||||||||||||||
| 4620 | "C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\kerbupdate.exe" | C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\kerbupdate.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Description: Himalaya Exit code: 0 Version: 1.0.0.0 Modules
| |||||||||||||||
| 5552 | C:\Windows\System32\WerFault.exe | C:\Windows\System32\WerFault.exe | kerbupdate.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: Windows Problem Reporting Exit code: 3221225477 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6972 | "C:\Program Files\WinRAR\WinRAR.exe" x -iext -ow -ver -- "C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc.zip" "?C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\" | C:\Program Files\WinRAR\WinRAR.exe | explorer.exe | ||||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
| 7352 | "C:\Program Files\WinRAR\WinRAR.exe" C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc.zip | C:\Program Files\WinRAR\WinRAR.exe | — | explorer.exe | |||||||||||
User: admin Company: Alexander Roshal Integrity Level: MEDIUM Description: WinRAR archiver Exit code: 0 Version: 5.91.0 Modules
| |||||||||||||||
Total events
9 405
Read events
9 318
Write events
51
Delete events
36
Modification events
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 3 |
Value: C:\Users\admin\Desktop\preferences.zip | |||
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 2 |
Value: C:\Users\admin\Desktop\chromium_ext.zip | |||
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 1 |
Value: C:\Users\admin\Desktop\omni_23_10_2024_.zip | |||
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\ArcHistory |
| Operation: | write | Name: | 0 |
Value: C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc.zip | |||
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | name |
Value: 120 | |||
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | size |
Value: 80 | |||
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | type |
Value: 120 | |||
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\FileList\FileColumnWidths |
| Operation: | write | Name: | mtime |
Value: 100 | |||
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath |
| Operation: | delete value | Name: | 15 |
Value: | |||
| (PID) Process: | (7352) WinRAR.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\WinRAR\DialogEditHistory\ExtrPath |
| Operation: | delete value | Name: | 14 |
Value: | |||
Executable files
1
Suspicious files
4
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2140 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\ReportQueue\AppCrash_WerFault.exe_4e2399053c22d77fe51516f1dd077bebeda30_f11bf3e3_f07edac6-dc91-4ced-937a-d797ecc8529d\Report.wer | — | |
MD5:— | SHA256:— | |||
| 2140 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER5F3.tmp.dmp | binary | |
MD5:203FDFEED612458A022382E3F96783CB | SHA256:19547F015FD4EEFD63A6283B23FF8314005C8EE4F24DDF6047A05D5961F1272D | |||
| 2140 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER6CF.tmp.WERInternalMetadata.xml | binary | |
MD5:C6EA9ED17D3ADEF5AB9703A62ABF73CE | SHA256:901482A09C8626CCA8E24B82E4CAB34E3E831C842D311F60AC9214E358E1B54E | |||
| 2140 | WerFault.exe | C:\Users\admin\AppData\Local\CrashDumps\WerFault.exe.4120.dmp | binary | |
MD5:809190B4D9309FAFBBAC298353CF2D2E | SHA256:4870FE170CBB698FCF9AE0B64CFBE674C10FCE9D0843F066F1ED5F4D7A1B75C0 | |||
| 2140 | WerFault.exe | C:\ProgramData\Microsoft\Windows\WER\Temp\WER6EF.tmp.xml | xml | |
MD5:7F253051CC6ED27B7CAE98B51570AF05 | SHA256:802A577F176467FE306C931727C4D18165B919FACAD7605E9ACE5EE327FDF6F4 | |||
| 1276 | WinRAR.exe | C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc.zip | compressed | |
MD5:1F9185ED17329BEC25C1F9D796C408F9 | SHA256:85755191AACFE4A43EFB62A310EDFB5BB4A722A876FAC48D6447628F75F20ACC | |||
| 6972 | WinRAR.exe | C:\Users\admin\Desktop\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\85755191aacfe4a43efb62a310edfb5bb4a722a876fac48d6447628f75f20acc\kerbupdate.exe | executable | |
MD5:D23229C23CCAA0B2DBB2521E40F1E389 | SHA256:75B874795ED95BA952A46F445E219811DB0B7AAE3903BA39A59BCE7A81C7E9C6 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
6
TCP/UDP connections
25
DNS requests
19
Threats
3
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.48.23.166:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2104 | svchost.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
8080 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
6544 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
8080 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
— | — | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.48.23.166:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5496 | MoUsoCoreWorker.exe | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2104 | svchost.exe | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
3216 | svchost.exe | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
2800 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6544 | svchost.exe | 20.190.160.132:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
6544 | svchost.exe | 2.17.190.73:80 | ocsp.digicert.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
nexusrules.officeapps.live.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
4120 | WerFault.exe | Not Suspicious Traffic | INFO [ANY.RUN] Azure Front Door domain observed in TLS SNI ( .azurefd .net) |
5552 | WerFault.exe | Not Suspicious Traffic | INFO [ANY.RUN] Azure Front Door domain observed in TLS SNI ( .azurefd .net) |
7612 | WerFault.exe | Not Suspicious Traffic | INFO [ANY.RUN] Azure Front Door domain observed in TLS SNI ( .azurefd .net) |