| File name: | bad |
| Full analysis: | https://app.any.run/tasks/2b69ce82-3661-490d-a22e-169706858a91 |
| Verdict: | Malicious activity |
| Threats: | A backdoor is a type of cybersecurity threat that allows attackers to secretly compromise a system and conduct malicious activities, such as stealing data and modifying files. Backdoors can be difficult to detect, as they often use legitimate system applications to evade defense mechanisms. Threat actors often utilize special malware, such as PlugX, to establish backdoors on target devices. |
| Analysis date: | September 05, 2024, 19:03:34 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32+ executable (DLL) (GUI) x86-64, for MS Windows |
| MD5: | 59B7B8D29252A9128536FBD08D24375F |
| SHA1: | 7221B9125608A54F9DD706166F936C16EE23164A |
| SHA256: | B7AEC5F73D2A6BBD8CD920EDB4760E2EDADC98C3A45BF4FA994D47CA9CBD02F6 |
| SSDEEP: | 3072:rM+YMbz0EcLJxqukyC7/s7vXGbXUyXlzCz3Gl0n/zH:6MbIEcL5kyGs7vXGbLBuH |
MALICIOUS
WARMCOOKIE has been detected (YARA)
- rundll32.exe (PID: 2128)
- regsvr32.exe (PID: 3596)
Connects to the CnC server
- rundll32.exe (PID: 2128)
WARMCOOKIE has been detected (SURICATA)
- rundll32.exe (PID: 2128)
SUSPICIOUS
The process executes via Task Scheduler
- rundll32.exe (PID: 2128)
Executable content was dropped or overwritten
- regsvr32.exe (PID: 3596)
Connects to the server without a host name
- rundll32.exe (PID: 2128)
INFO
Creates files or folders in the user directory
- rundll32.exe (PID: 2128)
Reads security settings of Internet Explorer
- rundll32.exe (PID: 2128)
Creates files in the program directory
- regsvr32.exe (PID: 3596)
Checks proxy server information
- rundll32.exe (PID: 2128)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (87.3) |
|---|---|---|
| .exe | | | Generic Win/DOS Executable (6.3) |
| .exe | | | DOS Executable Generic (6.3) |
EXIF
EXE
| Subsystem: | Windows GUI |
|---|---|
| SubsystemVersion: | 6 |
| ImageVersion: | - |
| OSVersion: | 6 |
| EntryPoint: | 0x9b70 |
| UninitializedDataSize: | - |
| InitializedDataSize: | 66048 |
| CodeSize: | 97280 |
| LinkerVersion: | 14 |
| PEType: | PE32+ |
| ImageFileCharacteristics: | Executable, Large address aware, DLL |
| TimeStamp: | 2017:03:28 15:18:51+00:00 |
| MachineType: | AMD AMD64 |
Total processes
130
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 | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3596 | "C:\WINDOWS\System32\regsvr32.exe" C:\Users\admin\AppData\Local\Temp\bad.dll | C:\Windows\System32\regsvr32.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft(C) Register Server Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2128 | "C:\WINDOWS\system32\rundll32.exe" "C:\ProgramData\Software AG\Updater.dll",Start /u | C:\Windows\System32\rundll32.exe | svchost.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
409
Read events
406
Write events
3
Delete events
0
Modification events
| (PID) Process: | (2128) rundll32.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content |
| Operation: | write | Name: | CachePrefix |
Value: | |||
| (PID) Process: | (2128) rundll32.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies |
| Operation: | write | Name: | CachePrefix |
Value: Cookie: | |||
| (PID) Process: | (2128) rundll32.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
1
Text files
8
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 2128 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR3E01RZ\U815C15E.htm | html | |
MD5:7DF3D7CF3358AF3F470AC7229387EF94 | SHA256:FB47468A2CD3953C7131431991AFCC6A2703F14640520102EEA0A685A7E8D6DE | |||
| 2128 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR3E01RZ\F42NESNY.htm | html | |
MD5:7DF3D7CF3358AF3F470AC7229387EF94 | SHA256:FB47468A2CD3953C7131431991AFCC6A2703F14640520102EEA0A685A7E8D6DE | |||
| 2128 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\KCV3KQBA\9XM6VP1I.htm | html | |
MD5:7DF3D7CF3358AF3F470AC7229387EF94 | SHA256:FB47468A2CD3953C7131431991AFCC6A2703F14640520102EEA0A685A7E8D6DE | |||
| 3596 | regsvr32.exe | C:\ProgramData\Software AG\Updater.dll | executable | |
MD5:59B7B8D29252A9128536FBD08D24375F | SHA256:B7AEC5F73D2A6BBD8CD920EDB4760E2EDADC98C3A45BF4FA994D47CA9CBD02F6 | |||
| 2128 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR3E01RZ\P0LKA9ER.htm | html | |
MD5:7DF3D7CF3358AF3F470AC7229387EF94 | SHA256:FB47468A2CD3953C7131431991AFCC6A2703F14640520102EEA0A685A7E8D6DE | |||
| 2128 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\KCV3KQBA\444I10K1.htm | html | |
MD5:7DF3D7CF3358AF3F470AC7229387EF94 | SHA256:FB47468A2CD3953C7131431991AFCC6A2703F14640520102EEA0A685A7E8D6DE | |||
| 2128 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\RR3E01RZ\7VH2E8OM.htm | html | |
MD5:7DF3D7CF3358AF3F470AC7229387EF94 | SHA256:FB47468A2CD3953C7131431991AFCC6A2703F14640520102EEA0A685A7E8D6DE | |||
| 2128 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\KCV3KQBA\FHZRC3L0.htm | html | |
MD5:7DF3D7CF3358AF3F470AC7229387EF94 | SHA256:FB47468A2CD3953C7131431991AFCC6A2703F14640520102EEA0A685A7E8D6DE | |||
| 2128 | rundll32.exe | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\IE\KCV3KQBA\4V8SOQ08.htm | html | |
MD5:7DF3D7CF3358AF3F470AC7229387EF94 | SHA256:FB47468A2CD3953C7131431991AFCC6A2703F14640520102EEA0A685A7E8D6DE | |||
| 3596 | regsvr32.exe | C:\Windows\Tasks\Software AG.job | binary | |
MD5:E19A2D2141F46E5A916172BAD8BC5E77 | SHA256:3E440DDA8A8222C79F39E6FF4F4C129A328CA859EF2EC145807CCB6B17E9A4D3 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
12
TCP/UDP connections
30
DNS requests
14
Threats
24
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
2128 | rundll32.exe | GET | 200 | 72.5.43.29:80 | http://72.5.43.29/ | unknown | — | — | — |
2636 | 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 |
2128 | rundll32.exe | GET | 200 | 72.5.43.29:80 | http://72.5.43.29/ | unknown | — | — | — |
5816 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6612 | svchost.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
2636 | SIHClient.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
2128 | rundll32.exe | GET | 200 | 72.5.43.29:80 | http://72.5.43.29/ | unknown | — | — | suspicious |
2128 | rundll32.exe | GET | 200 | 72.5.43.29:80 | http://72.5.43.29/ | unknown | — | — | suspicious |
2128 | rundll32.exe | GET | 200 | 72.5.43.29:80 | http://72.5.43.29/ | unknown | — | — | suspicious |
2128 | rundll32.exe | GET | 200 | 72.5.43.29:80 | http://72.5.43.29/ | unknown | — | — | suspicious |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
6612 | svchost.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6516 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
2120 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6612 | svchost.exe | 23.35.229.160:80 | www.microsoft.com | AKAMAI-AS | DE | whitelisted |
3260 | svchost.exe | 40.113.103.199:443 | client.wns.windows.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
2120 | MoUsoCoreWorker.exe | 51.104.136.2:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5816 | svchost.exe | 20.190.159.64:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5816 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
2128 | rundll32.exe | 72.5.43.29:80 | — | — | US | malicious |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
www.microsoft.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
fe3cr.delivery.mp.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | A Network Trojan was detected | ET MALWARE BadSpace/WarmCookie CnC Activity (GET) |
— | — | Potentially Bad Traffic | ET INFO Unconfigured nginx Access |
— | — | A Network Trojan was detected | ET MALWARE BadSpace/WarmCookie CnC Activity (GET) |
— | — | Potentially Bad Traffic | ET INFO Unconfigured nginx Access |
— | — | A Network Trojan was detected | ET MALWARE BadSpace/WarmCookie CnC Activity (GET) |
— | — | Potentially Bad Traffic | ET INFO Unconfigured nginx Access |
— | — | A Network Trojan was detected | ET MALWARE BadSpace/WarmCookie CnC Activity (GET) |
— | — | Potentially Bad Traffic | ET INFO Unconfigured nginx Access |
— | — | A Network Trojan was detected | ET MALWARE BadSpace/WarmCookie CnC Activity (GET) |
— | — | Potentially Bad Traffic | ET INFO Unconfigured nginx Access |
8 ETPRO signatures available at the full report