| File name: | brainchipers.bin |
| Full analysis: | https://app.any.run/tasks/071bbe5b-d999-4e37-b177-ce64a454e978 |
| Verdict: | Malicious activity |
| Threats: | LockBit, a ransomware variant, encrypts data on infected machines, demanding a ransom payment for decryption. Used in targeted attacks, It's a significant risk to organizations. |
| Analysis date: | July 10, 2024, 07:26:39 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows |
| MD5: | 448F1796FE8DE02194B21C0715E0A5F6 |
| SHA1: | 935C0B39837319FDA571AA800B67D997B79C3198 |
| SHA256: | EB82946FA0DE261E92F8F60AA878C9FEF9EBB34FDABABA66995403B110118B12 |
| SSDEEP: | 3072:nmhXodguLP/5qUpfDT6zT73Ew8Ym9wV9JyknP7SAy:bKzkw8YKwVLyknzSA |
MALICIOUS
Drops the executable file immediately after the start
- brainchipers.bin.exe (PID: 3384)
- brainchipers.bin.exe (PID: 2752)
Known privilege escalation attack
- dllhost.exe (PID: 3224)
[YARA] LockBit is detected
- brainchipers.bin.exe (PID: 2752)
Steals credentials from Web Browsers
- brainchipers.bin.exe (PID: 2752)
Actions looks like stealing of personal data
- brainchipers.bin.exe (PID: 2752)
SUSPICIOUS
Write to the desktop.ini file (may be used to cloak folders)
- brainchipers.bin.exe (PID: 2752)
Creates files like ransomware instruction
- brainchipers.bin.exe (PID: 2752)
Reads browser cookies
- brainchipers.bin.exe (PID: 2752)
INFO
Checks supported languages
- brainchipers.bin.exe (PID: 3384)
- brainchipers.bin.exe (PID: 2752)
Reads the computer name
- brainchipers.bin.exe (PID: 3384)
- brainchipers.bin.exe (PID: 2752)
Reads the machine GUID from the registry
- brainchipers.bin.exe (PID: 3384)
- brainchipers.bin.exe (PID: 2752)
Checks transactions between databases Windows and Oracle
- brainchipers.bin.exe (PID: 3384)
Reads security settings of Internet Explorer
- dllhost.exe (PID: 3224)
Creates files or folders in the user directory
- brainchipers.bin.exe (PID: 2752)
Manual execution by a user
- notepad.exe (PID: 3692)
- notepad.exe (PID: 3612)
- notepad.exe (PID: 3936)
- notepad.exe (PID: 3688)
Create files in a temporary directory
- brainchipers.bin.exe (PID: 2752)
Dropped object may contain TOR URL's
- brainchipers.bin.exe (PID: 2752)
The dropped object may contain a URL to Tor Browser
- brainchipers.bin.exe (PID: 2752)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .dll | | | Win32 Dynamic Link Library (generic) (38.3) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (26.2) |
| .exe | | | Win16/32 Executable Delphi generic (12) |
| .exe | | | Generic Win/DOS Executable (11.6) |
| .exe | | | DOS Executable Generic (11.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2022:09:09 01:27:01+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 14.12 |
| CodeSize: | 99328 |
| InitializedDataSize: | 50688 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x1946f |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Total processes
50
Monitored processes
7
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2752 | "C:\Users\admin\AppData\Local\Temp\brainchipers.bin.exe" | C:\Users\admin\AppData\Local\Temp\brainchipers.bin.exe | dllhost.exe | ||||||||||||
User: admin Integrity Level: HIGH Modules
| |||||||||||||||
| 3224 | C:\Windows\system32\DllHost.exe /Processid:{3E5FC7F9-9A51-4367-9063-A120244FBEC7} | C:\Windows\System32\dllhost.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: HIGH Description: COM Surrogate Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3384 | "C:\Users\admin\AppData\Local\Temp\brainchipers.bin.exe" | C:\Users\admin\AppData\Local\Temp\brainchipers.bin.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 3612 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\sYMY1N6ah.README.txt | C:\Windows\System32\notepad.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3688 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\sYMY1N6ah.README.txt | C:\Windows\System32\notepad.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3692 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\sYMY1N6ah.README.txt | C:\Windows\System32\notepad.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3936 | "C:\Windows\system32\NOTEPAD.EXE" C:\Users\admin\Desktop\sYMY1N6ah.README.txt | C:\Windows\System32\notepad.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Notepad Exit code: 0 Version: 6.1.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
Total events
3 284
Read events
3 276
Write events
8
Delete events
0
Modification events
| (PID) Process: | (3224) dllhost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | ProxyBypass |
Value: 1 | |||
| (PID) Process: | (3224) dllhost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | IntranetName |
Value: 1 | |||
| (PID) Process: | (3224) dllhost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | UNCAsIntranet |
Value: 1 | |||
| (PID) Process: | (3224) dllhost.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap |
| Operation: | write | Name: | AutoDetect |
Value: 0 | |||
Executable files
6
Suspicious files
1 044
Text files
803
Unknown types
79
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2752 | brainchipers.bin.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\AAAAAAAAAAA | binary | |
MD5:A727A6D955DF05B6EDADDF262E26C1FB | SHA256:88FF20CBC6D7F0A67D12D63ACD68FCF0D3D06964EF8D3B82C7CD88904070507C | |||
| 2752 | brainchipers.bin.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\EEEEEEEEEEE | binary | |
MD5:A727A6D955DF05B6EDADDF262E26C1FB | SHA256:88FF20CBC6D7F0A67D12D63ACD68FCF0D3D06964EF8D3B82C7CD88904070507C | |||
| 2752 | brainchipers.bin.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\GGGGGGGGGGG | binary | |
MD5:A727A6D955DF05B6EDADDF262E26C1FB | SHA256:88FF20CBC6D7F0A67D12D63ACD68FCF0D3D06964EF8D3B82C7CD88904070507C | |||
| 2752 | brainchipers.bin.exe | C:\sYMY1N6ah.README.txt | text | |
MD5:DEB2E0756D331362D57AD9FE408C4FF3 | SHA256:1DDACEE1D25936970279557169037A335B362F86C3797DED625D68077BD0145C | |||
| 2752 | brainchipers.bin.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\DDDDDDDDDDD | binary | |
MD5:A727A6D955DF05B6EDADDF262E26C1FB | SHA256:88FF20CBC6D7F0A67D12D63ACD68FCF0D3D06964EF8D3B82C7CD88904070507C | |||
| 2752 | brainchipers.bin.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\BBBBBBBBBBB | binary | |
MD5:A727A6D955DF05B6EDADDF262E26C1FB | SHA256:88FF20CBC6D7F0A67D12D63ACD68FCF0D3D06964EF8D3B82C7CD88904070507C | |||
| 2752 | brainchipers.bin.exe | C:\Users\sYMY1N6ah.README.txt | text | |
MD5:DEB2E0756D331362D57AD9FE408C4FF3 | SHA256:1DDACEE1D25936970279557169037A335B362F86C3797DED625D68077BD0145C | |||
| 2752 | brainchipers.bin.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\desktop.ini | binary | |
MD5:A727A6D955DF05B6EDADDF262E26C1FB | SHA256:88FF20CBC6D7F0A67D12D63ACD68FCF0D3D06964EF8D3B82C7CD88904070507C | |||
| 2752 | brainchipers.bin.exe | C:\Users\Administrator\Videos\sYMY1N6ah.README.txt | text | |
MD5:DEB2E0756D331362D57AD9FE408C4FF3 | SHA256:1DDACEE1D25936970279557169037A335B362F86C3797DED625D68077BD0145C | |||
| 2752 | brainchipers.bin.exe | C:\$Recycle.Bin\S-1-5-21-1302019708-1500728564-335382590-1000\CCCCCCCCCCC | binary | |
MD5:A727A6D955DF05B6EDADDF262E26C1FB | SHA256:88FF20CBC6D7F0A67D12D63ACD68FCF0D3D06964EF8D3B82C7CD88904070507C | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
10
DNS requests
5
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
1372 | svchost.exe | GET | 304 | 199.232.214.172:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?33775f6043c93e33 | unknown | — | — | unknown |
1372 | svchost.exe | GET | 200 | 23.48.23.143:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | unknown |
1060 | svchost.exe | GET | 304 | 2.19.126.163:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/disallowedcertstl.cab?a9f83325acc8ca75 | unknown | — | — | unknown |
1372 | svchost.exe | GET | 200 | 184.30.21.171:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | unknown |
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 |
1372 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1060 | svchost.exe | 224.0.0.252:5355 | — | — | — | whitelisted |
1372 | svchost.exe | 199.232.214.172:80 | ctldl.windowsupdate.com | FASTLY | US | unknown |
1372 | svchost.exe | 23.48.23.143:80 | crl.microsoft.com | Akamai International B.V. | DE | unknown |
1372 | svchost.exe | 184.30.21.171:80 | www.microsoft.com | AKAMAI-AS | DE | unknown |
1060 | svchost.exe | 2.19.126.163:80 | ctldl.windowsupdate.com | Akamai International B.V. | DE | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
ctldl.windowsupdate.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |