| File name: | openvpn-postinstall.exe |
| Full analysis: | https://app.any.run/tasks/7d620066-09d2-4f29-8d71-40815e6a941e |
| Verdict: | Malicious activity |
| Analysis date: | July 25, 2024, 17:20:02 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 (stripped to external PDB), for MS Windows, Nullsoft Installer self-extracting archive |
| MD5: | DDB1035FB1AB9AEF3C36F465E5103F86 |
| SHA1: | BFEA67D24555E8F3825C2CDE8CF86FF0BCF882B9 |
| SHA256: | 120D5F1A791671B563E7344593B8ACAC265AF3332748971BB8AB3261096D9ABA |
| SSDEEP: | 3072:6En2wel+Vx2XAW1x75L1A5mKmCIxnypRA0/28XIU:VeMMJdMHTUmB/N |
MALICIOUS
Drops the executable file immediately after the start
- openvpn-postinstall.exe (PID: 6332)
SUSPICIOUS
Malware-specific behavior (creating "System.dll" in Temp)
- openvpn-postinstall.exe (PID: 6332)
The process creates files with name similar to system file names
- openvpn-postinstall.exe (PID: 6332)
Executable content was dropped or overwritten
- openvpn-postinstall.exe (PID: 6332)
INFO
Create files in a temporary directory
- openvpn-postinstall.exe (PID: 6332)
Checks supported languages
- openvpn-postinstall.exe (PID: 6332)
Reads the computer name
- openvpn-postinstall.exe (PID: 6332)
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) (42.2) |
|---|---|---|
| .exe | | | Win64 Executable (generic) (37.3) |
| .dll | | | Win32 Dynamic Link Library (generic) (8.8) |
| .exe | | | Win32 Executable (generic) (6) |
| .exe | | | Generic Win/DOS Executable (2.7) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2016:01:14 11:25:57+00:00 |
| ImageFileCharacteristics: | No relocs, Executable, No line numbers, No symbols, 32-bit, No debug |
| PEType: | PE32 |
| LinkerVersion: | 2.25 |
| CodeSize: | 35840 |
| InitializedDataSize: | 38400 |
| UninitializedDataSize: | 110080 |
| EntryPoint: | 0x435d |
| OSVersion: | 4 |
| ImageVersion: | 6 |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
Total processes
125
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2612 | 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 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4500 | 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
| |||||||||||||||
| 6332 | "C:\Users\admin\Desktop\openvpn-postinstall.exe" | C:\Users\admin\Desktop\openvpn-postinstall.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: HIGH Modules
| |||||||||||||||
| 6604 | "C:\Users\admin\Desktop\openvpn-postinstall.exe" | C:\Users\admin\Desktop\openvpn-postinstall.exe | — | explorer.exe | |||||||||||
User: admin Integrity Level: MEDIUM Exit code: 3221226540 Modules
| |||||||||||||||
Total events
592
Read events
592
Write events
0
Delete events
0
Modification events
Executable files
2
Suspicious files
0
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6332 | openvpn-postinstall.exe | C:\Users\admin\AppData\Local\Temp\nscE94.tmp\modern-wizard.bmp | image | |
MD5:CBE40FD2B1EC96DAEDC65DA172D90022 | SHA256:3AD2DC318056D0A2024AF1804EA741146CFC18CC404649A44610CBF8B2056CF2 | |||
| 6332 | openvpn-postinstall.exe | C:\Users\admin\AppData\Local\Temp\nscE94.tmp\nsDialogs.dll | executable | |
MD5:65373B20DBFF5C3834548DD7330BB0C1 | SHA256:57A001C9770C864F983AA33E4C81E60CAC4335B83DC036E269F0727A629DD221 | |||
| 6332 | openvpn-postinstall.exe | C:\Users\admin\AppData\Local\Temp\nscE94.tmp\System.dll | executable | |
MD5:2E025E2CEE2953CCE0160C3CD2E1A64E | SHA256:D821A62802900B068DCF61DDC9FDFF2F7ADA04B706815AB6E5038B21543DA8A5 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
14
DNS requests
8
Threats
0
HTTP requests
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 | 192.168.100.255:138 | — | — | — | whitelisted |
3952 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
6012 | MoUsoCoreWorker.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4008 | svchost.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4012 | RUXIMICS.exe | 20.73.194.208:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
— | — | 2.23.209.182:443 | — | Akamai International B.V. | GB | unknown |
4204 | svchost.exe | 4.209.32.198:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | US | unknown |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4008 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4152 | slui.exe | 40.91.76.224:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |