| File name: | drpbx.exe |
| Full analysis: | https://app.any.run/tasks/7b0197d0-9ff8-4d6c-90e8-e367e88d7377 |
| Verdict: | Malicious activity |
| Analysis date: | November 22, 2024, 21:30:09 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows, 5 sections |
| MD5: | 2773E3DC59472296CB0024BA7715A64E |
| SHA1: | 27D99FBCA067F478BB91CDBCB92F13A828B00859 |
| SHA256: | 3AE96F73D805E1D3995253DB4D910300D8442EA603737A1428B613061E7F61E7 |
| SSDEEP: | 6144:7fukPLPvucHiQQQ4uuy9ApZbZWxcZt+kTfMLJTOAZiYSXjjeqXusy:7fu5cCT7yYlWi8kTfMLJTOAZiYSXjyqO |
MALICIOUS
Changes the autorun value in the registry
- drpbx.exe (PID: 396)
SUSPICIOUS
Executable content was dropped or overwritten
- drpbx.exe (PID: 396)
Reads security settings of Internet Explorer
- drpbx.exe (PID: 396)
Reads the date of Windows installation
- drpbx.exe (PID: 396)
Starts itself from another location
- drpbx.exe (PID: 396)
INFO
Checks supported languages
- drpbx.exe (PID: 396)
- drpbx.exe (PID: 4824)
Creates files or folders in the user directory
- drpbx.exe (PID: 396)
Reads the computer name
- drpbx.exe (PID: 396)
- drpbx.exe (PID: 4824)
The process uses the downloaded file
- drpbx.exe (PID: 396)
Process checks computer location settings
- drpbx.exe (PID: 396)
Confuser has been detected (YARA)
- drpbx.exe (PID: 4824)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (61.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (14.6) |
| .exe | | | Win32 Executable (generic) (10) |
| .exe | | | Win16/32 Executable Delphi generic (4.6) |
| .exe | | | Generic Win/DOS Executable (4.4) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2016:03:31 06:28:14+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 72704 |
| InitializedDataSize: | 216576 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x4e00a |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 37.0.2.5583 |
| ProductVersionNumber: | 37.0.2.5583 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | Firefox |
| FileVersion: | 37.0.2.5583 |
| InternalName: | BitcoinBlackmailer.exe |
| LegalCopyright: | Copyright 1999-2012 Firefox and Mozzilla developers. All rights reserved. |
| LegalTrademarks: | - |
| OriginalFileName: | BitcoinBlackmailer.exe |
| ProductName: | Firefox |
| ProductVersion: | 37.0.2.5583 |
| AssemblyVersion: | 37.0.2.5583 |
Total processes
129
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 396 | "C:\Users\admin\AppData\Local\Temp\drpbx.exe" | C:\Users\admin\AppData\Local\Temp\drpbx.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: Firefox Exit code: 0 Version: 37.0.2.5583 Modules
| |||||||||||||||
| 4824 | "C:\Users\admin\AppData\Local\Drpbx\drpbx.exe" C:\Users\admin\AppData\Local\Temp\drpbx.exe | C:\Users\admin\AppData\Local\Drpbx\drpbx.exe | — | drpbx.exe | |||||||||||
User: admin Integrity Level: MEDIUM Description: Firefox Version: 37.0.2.5583 Modules
| |||||||||||||||
Total events
589
Read events
588
Write events
1
Delete events
0
Modification events
| (PID) Process: | (396) drpbx.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | firefox.exe |
Value: C:\Users\admin\AppData\Roaming\Frfx\firefox.exe | |||
Executable files
2
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 396 | drpbx.exe | C:\Users\admin\AppData\Local\Drpbx\drpbx.exe | executable | |
MD5:2773E3DC59472296CB0024BA7715A64E | SHA256:3AE96F73D805E1D3995253DB4D910300D8442EA603737A1428B613061E7F61E7 | |||
| 396 | drpbx.exe | C:\Users\admin\AppData\Roaming\Frfx\firefox.exe | executable | |
MD5:2773E3DC59472296CB0024BA7715A64E | SHA256:3AE96F73D805E1D3995253DB4D910300D8442EA603737A1428B613061E7F61E7 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
33
DNS requests
18
Threats
0
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
4712 | MoUsoCoreWorker.exe | GET | 200 | 2.19.198.194:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | DE | binary | 1.01 Kb | whitelisted |
4712 | MoUsoCoreWorker.exe | GET | 200 | 23.37.237.227:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | DE | binary | 973 b | whitelisted |
1176 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | US | binary | 471 b | whitelisted |
6076 | svchost.exe | GET | 200 | 23.37.237.227:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | DE | binary | 973 b | whitelisted |
5064 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | US | binary | 313 b | whitelisted |
6076 | svchost.exe | GET | 200 | 2.19.198.194:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | DE | binary | 1.01 Kb | whitelisted |
6340 | SIHClient.exe | GET | 200 | 23.37.237.227:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | DE | binary | 408 b | whitelisted |
5472 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | US | binary | 471 b | whitelisted |
6340 | SIHClient.exe | GET | 200 | 23.37.237.227:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | DE | binary | 418 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 |
|---|---|---|---|---|---|---|
— | — | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
6076 | svchost.exe | 2.19.198.194:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 2.19.198.194:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
4712 | MoUsoCoreWorker.exe | 23.37.237.227:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
6076 | svchost.exe | 23.37.237.227:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
2632 | RUXIMICS.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4712 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
5064 | SearchApp.exe | 2.16.204.146:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.bing.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
arc.msn.com |
| whitelisted |
fd.api.iris.microsoft.com |
| whitelisted |