| File name: | b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a |
| Full analysis: | https://app.any.run/tasks/d509d821-635f-40db-aff7-cdd51974c54e |
| Verdict: | Malicious activity |
| Threats: | Emotet is one of the most dangerous trojans ever created. Over the course of its lifetime, it was upgraded to become a very destructive malware. It targets mostly corporate victims but even private users get infected in mass spam email campaigns. |
| Analysis date: | November 15, 2024, 23:10:49 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.microsoft.portable-executable |
| File info: | PE32 executable (GUI) Intel 80386, for MS Windows, 6 sections |
| MD5: | 7F06137E7E188A85D8F1A153C3AC0B32 |
| SHA1: | 77D010244052A94E58493186F2DB060C9FD89A3E |
| SHA256: | B8715CC87A45C51CE2032A0B87BDEF7EFD9D73DF855528E7E21D17FBD8ED270A |
| SSDEEP: | 12288:RkRwdhAcuZgDwE+bcFv5Ocr7UZvVDO8nPwO:RhYBZgDZ+gv8crWO8nP |
MALICIOUS
EMOTET has been detected (SURICATA)
- catsrv.exe (PID: 6572)
Connects to the CnC server
- catsrv.exe (PID: 6572)
SUSPICIOUS
Executable content was dropped or overwritten
- b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe (PID: 2432)
Starts itself from another location
- b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe (PID: 2432)
Reads security settings of Internet Explorer
- b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe (PID: 2432)
Contacting a server suspected of hosting an CnC
- catsrv.exe (PID: 6572)
Connects to the server without a host name
- catsrv.exe (PID: 6572)
INFO
Checks supported languages
- b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe (PID: 2432)
- catsrv.exe (PID: 6572)
Reads the machine GUID from the registry
- catsrv.exe (PID: 6572)
Reads the computer name
- catsrv.exe (PID: 6572)
- b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe (PID: 2432)
The process uses the downloaded file
- b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe (PID: 2432)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win32 Executable MS Visual C++ (generic) (16.3) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (14.5) |
| .dll | | | Win32 Dynamic Link Library (generic) (3.4) |
| .exe | | | Win32 Executable (generic) (2.3) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2020:08:14 18:30:27+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 499712 |
| InitializedDataSize: | 430080 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x33b9b |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.1 |
| ProductVersionNumber: | 1.0.0.1 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | - |
| FileDescription: | ExpCheckTest MFC Application |
| FileVersion: | 1, 0, 0, 1 |
| InternalName: | ExpCheckTest |
| LegalCopyright: | Copyright (C) 2002 |
| LegalTrademarks: | - |
| OriginalFileName: | ExpCheckTest.EXE |
| ProductName: | ExpCheckTest Application |
| ProductVersion: | 1, 0, 0, 1 |
Total processes
123
Monitored processes
2
Malicious processes
2
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2432 | "C:\Users\admin\Desktop\b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe" | C:\Users\admin\Desktop\b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Exit code: 0 Modules
| |||||||||||||||
| 6572 | "C:\Users\admin\AppData\Local\mscpxl32\catsrv.exe" | C:\Users\admin\AppData\Local\mscpxl32\catsrv.exe | b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Description: ExpCheckTest MFC Application Version: 1, 0, 0, 1 Modules
| |||||||||||||||
Total events
587
Read events
584
Write events
3
Delete events
0
Modification events
| (PID) Process: | (6572) catsrv.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (6572) catsrv.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (6572) catsrv.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History |
| Operation: | write | Name: | CachePrefix |
Value: Visited: | |||
Executable files
1
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2432 | b8715cc87a45c51ce2032a0b87bdef7efd9d73df855528e7e21d17fbd8ed270a.exe | C:\Users\admin\AppData\Local\mscpxl32\catsrv.exe | executable | |
MD5:7F06137E7E188A85D8F1A153C3AC0B32 | SHA256:B8715CC87A45C51CE2032A0B87BDEF7EFD9D73DF855528E7E21D17FBD8ED270A | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
11
TCP/UDP connections
26
DNS requests
6
Threats
8
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
6944 | svchost.exe | GET | 200 | 2.16.241.19:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6908 | RUXIMICS.exe | GET | 200 | 2.16.241.19:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6944 | svchost.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | GET | 200 | 2.16.241.19:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
5488 | MoUsoCoreWorker.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6908 | RUXIMICS.exe | GET | 200 | 88.221.169.152:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
6572 | catsrv.exe | POST | — | 209.126.6.222:8080 | http://209.126.6.222:8080/WhiOu/hDuk54gQ8P/ | unknown | — | — | unknown |
6572 | catsrv.exe | POST | — | 174.100.27.229:80 | http://174.100.27.229/Nej2XbsC/ | unknown | — | — | malicious |
6572 | catsrv.exe | POST | — | 5.153.250.14:8080 | http://5.153.250.14:8080/Y488r5LmwXMqDTE2/Gmlv18T8AHfq4SPlkQ6/9RI7/ | unknown | — | — | unknown |
6572 | catsrv.exe | POST | — | 95.9.180.128:80 | http://95.9.180.128/a59aRzn6/l2WGN8dOXj0w/FZDayNytVc/ | 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 |
6944 | svchost.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5488 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6908 | RUXIMICS.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 |
6944 | svchost.exe | 2.16.241.19:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
5488 | MoUsoCoreWorker.exe | 2.16.241.19:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
6908 | RUXIMICS.exe | 2.16.241.19:80 | crl.microsoft.com | Akamai International B.V. | DE | whitelisted |
6944 | svchost.exe | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
5488 | MoUsoCoreWorker.exe | 88.221.169.152:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
crl.microsoft.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
6572 | catsrv.exe | A Network Trojan was detected | ET MALWARE Win32/Emotet CnC Activity (POST) M9 |
6572 | catsrv.exe | Malware Command and Control Activity Detected | ET MALWARE Win32/Emotet CnC Activity (POST) M8 |
6572 | catsrv.exe | A Network Trojan was detected | ET MALWARE Win32/Emotet CnC Activity (POST) M9 |
6572 | catsrv.exe | Malware Command and Control Activity Detected | ET MALWARE Win32/Emotet CnC Activity (POST) M8 |
6572 | catsrv.exe | A Network Trojan was detected | ET MALWARE Win32/Emotet CnC Activity (POST) M9 |
6572 | catsrv.exe | Malware Command and Control Activity Detected | ET MALWARE Win32/Emotet CnC Activity (POST) M8 |
6572 | catsrv.exe | Malware Command and Control Activity Detected | ET MALWARE Win32/Emotet CnC Activity (POST) M8 |
6572 | catsrv.exe | A Network Trojan was detected | ET MALWARE Win32/Emotet CnC Activity (POST) M9 |