| File name: | bark15.exe |
| Full analysis: | https://app.any.run/tasks/4f19fd69-f9d2-4ac8-9dca-d0b09c92dbf9 |
| Verdict: | Malicious activity |
| Analysis date: | May 17, 2025, 13:28:04 |
| 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, 7 sections |
| MD5: | 134C9967ED3F6256583D2C98E192C73F |
| SHA1: | 5A47D27C765BFC01B12A260F0AAA57827D3BAAC2 |
| SHA256: | 873A0768A4DC176029B566882F76D0A0FBCC472E423C1C5E51A68FF0A9AFBB69 |
| SSDEEP: | 98304:L/0CD+qu8MhH3VWjtKxgvb9RvOYVAYwVf9TtYw9pk9dbXtpEKLuIgqNT9iaadc5R:PvI4KIYK3pIwfDbro49 |
MALICIOUS
No malicious indicators.SUSPICIOUS
Process drops python dynamic module
- bark15.exe (PID: 5868)
Process drops legitimate windows executable
- bark15.exe (PID: 5868)
Executable content was dropped or overwritten
- bark15.exe (PID: 5868)
The process drops C-runtime libraries
- bark15.exe (PID: 5868)
Application launched itself
- bark15.exe (PID: 5868)
Loads Python modules
- bark15.exe (PID: 664)
There is functionality for taking screenshot (YARA)
- bark15.exe (PID: 664)
INFO
Reads the computer name
- bark15.exe (PID: 5868)
- bark15.exe (PID: 664)
Checks supported languages
- bark15.exe (PID: 5868)
- bark15.exe (PID: 664)
The sample compiled with english language support
- bark15.exe (PID: 5868)
PyInstaller has been detected (YARA)
- bark15.exe (PID: 5868)
- bark15.exe (PID: 664)
Create files in a temporary directory
- bark15.exe (PID: 5868)
Reads the machine GUID from the registry
- bark15.exe (PID: 664)
Checks proxy server information
- slui.exe (PID: 4188)
Reads the software policy settings
- slui.exe (PID: 4188)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | InstallShield setup (57.6) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (36.9) |
| .exe | | | Generic Win/DOS Executable (2.6) |
| .exe | | | DOS Executable Generic (2.6) |
EXIF
EXE
| MachineType: | AMD AMD64 |
|---|---|
| TimeStamp: | 2025:05:17 09:28:20+00:00 |
| ImageFileCharacteristics: | Executable, Large address aware |
| PEType: | PE32+ |
| LinkerVersion: | 14.43 |
| CodeSize: | 178688 |
| InitializedDataSize: | 153600 |
| UninitializedDataSize: | - |
| EntryPoint: | 0xc380 |
| OSVersion: | 6 |
| ImageVersion: | - |
| SubsystemVersion: | 6 |
| Subsystem: | Windows command line |
Total processes
128
Monitored processes
4
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 664 | "C:\Users\admin\Desktop\bark15.exe" | C:\Users\admin\Desktop\bark15.exe | — | bark15.exe | |||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
| 4188 | 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
| |||||||||||||||
| 5504 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | bark15.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5868 | "C:\Users\admin\Desktop\bark15.exe" | C:\Users\admin\Desktop\bark15.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Modules
| |||||||||||||||
Total events
3 578
Read events
3 578
Write events
0
Delete events
0
Modification events
Executable files
56
Suspicious files
3
Text files
920
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\_hashlib.pyd | executable | |
MD5:D4674750C732F0DB4C4DD6A83A9124FE | SHA256:CAA4D2F8795E9A55E128409CC016E2CC5C694CB026D7058FC561E4DD131ED1C9 | |||
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\_decimal.pyd | executable | |
MD5:20C77203DDF9FF2FF96D6D11DEA2EDCF | SHA256:9AAC010A424C757C434C460C3C0A6515D7720966AB64BAD667539282A17B4133 | |||
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\VCRUNTIME140.dll | executable | |
MD5:F34EB034AA4A9735218686590CBA2E8B | SHA256:9D2B40F0395CC5D1B4D5EA17B84970C29971D448C37104676DB577586D4AD1B1 | |||
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\_tcl_data\encoding\cp1253.enc | text | |
MD5:441B86A0DE77F25C91DF1CD4685F651D | SHA256:5B8D47451F847C1BDE12CACA3739CA29860553C0B6399EE990D51B26F9A69722 | |||
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\_tcl_data\auto.tcl | text | |
MD5:08EDF746B4A088CB4185C165177BD604 | SHA256:517204EE436D08EFC287ABC97433C3BFFCAF42EC6592A3009B9FD3B985AD772C | |||
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\_tcl_data\clock.tcl | text | |
MD5:88BB44A1364147FDD80F9FD78FBCEF61 | SHA256:1947F8B188AB4AB6AA72EA68A58D2D9ADD0894FDF320F6B074EAE0F198368FB7 | |||
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\_lzma.pyd | executable | |
MD5:7447EFD8D71E8A1929BE0FAC722B42DC | SHA256:60793C8592193CFBD00FD3E5263BE4315D650BA4F9E4FDA9C45A10642FD998BE | |||
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\_tcl_data\encoding\ascii.enc | text | |
MD5:9E3A454FA480E9A99D2D5ACDAA775233 | SHA256:FB87BF197F4F485B08EA81F7534BC07D9C3A538D022424BE11011A1FE3C413FD | |||
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\_tcl_data\encoding\cp1254.enc | text | |
MD5:5FA9162BEC5A4DEA97B5EA2840CFB065 | SHA256:31639CA96A4D3602D59BD012540FE179917E0561CB11A0D0B61F1B950EB76911 | |||
| 5868 | bark15.exe | C:\Users\admin\AppData\Local\Temp\_MEI58682\_tcl_data\encoding\cp1250.enc | text | |
MD5:9568EDE60D3F917F1671F5A625A801C4 | SHA256:E2991A6F7A7A4D8D3C4C97947298FD5BACB3EAA2F898CEE17F5E21A9861B9626 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
48
DNS requests
16
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2104 | svchost.exe | GET | 200 | 23.216.77.36:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
2104 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
4180 | SIHClient.exe | GET | 200 | 23.216.77.6:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut_2010-06-23.crl | unknown | — | — | whitelisted |
4180 | SIHClient.exe | GET | 200 | 23.216.77.6:80 | http://crl.microsoft.com/pki/crl/products/MicTimStaPCA_2010-07-01.crl | unknown | — | — | whitelisted |
4180 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
4180 | 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 |
4180 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.1.crl | unknown | — | — | whitelisted |
4180 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20Update%20Signing%20CA%202.2.crl | unknown | — | — | whitelisted |
4180 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Signing%20CA%202.2.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 |
|---|---|---|---|---|---|---|
2104 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
— | — | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2104 | svchost.exe | 23.216.77.36:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
2104 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3216 | svchost.exe | 172.211.123.250:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | FR | whitelisted |
6544 | svchost.exe | 40.126.31.69:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2104 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4180 | SIHClient.exe | 20.109.210.53:443 | slscr.update.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 |
www.microsoft.com |
| whitelisted |
client.wns.windows.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 |