| File name: | msimg32.dll |
| Full analysis: | https://app.any.run/tasks/9237017a-1239-4895-ae7d-dd99bf69d5e7 |
| Verdict: | Malicious activity |
| Threats: | Rhadamanthys is a C++ information-stealing malware that extracts sensitive data from infiltrated machines. Its layered operational chain and advanced evasion tactics make it a major risk in cybersecurity landscapes. |
| Analysis date: | August 05, 2024, 15:04:02 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (DLL) (GUI) Intel 80386, for MS Windows |
| MD5: | EDFE2DD4D8218D13E1E6AA5501D5163B |
| SHA1: | D3212EBB64DCE90A8C972BF3A6F1AD734BC39B08 |
| SHA256: | 1A2399ECC38F3288206C75B55762D125D3D75254062A2C0D85C86E7F896736AC |
| SSDEEP: | 98304:HHH01nBLspevP8RE6y8W7YcVWi4Vzw9DVfPTBPjh5Yb8qyag0K1RgsnTxQmJ6y4I:s |
MALICIOUS
Drops the executable file immediately after the start
- rundll32.exe (PID: 6560)
RHADAMANTHYS has been detected (SURICATA)
- OpenWith.exe (PID: 6472)
- dllhost.exe (PID: 5904)
- OOBE-Maintenance.exe (PID: 6940)
Changes the autorun value in the registry
- reg.exe (PID: 6272)
Stealers network behavior
- OOBE-Maintenance.exe (PID: 6940)
Actions looks like stealing of personal data
- OOBE-Maintenance.exe (PID: 6940)
SUSPICIOUS
Connects to unusual port
- OpenWith.exe (PID: 6472)
- dllhost.exe (PID: 5904)
- OOBE-Maintenance.exe (PID: 6940)
The process checks if it is being run in the virtual environment
- OpenWith.exe (PID: 6472)
Starts CMD.EXE for commands execution
- rundll32.exe (PID: 6560)
Application launched itself
- rundll32.exe (PID: 6560)
Uses REG/REGEDIT.EXE to modify registry
- cmd.exe (PID: 2336)
Contacting a server suspected of hosting an CnC
- OpenWith.exe (PID: 6472)
- dllhost.exe (PID: 5904)
- OOBE-Maintenance.exe (PID: 6940)
Executes application which crashes
- rundll32.exe (PID: 4708)
Searches for installed software
- OOBE-Maintenance.exe (PID: 6940)
Loads DLL from Mozilla Firefox
- OOBE-Maintenance.exe (PID: 6940)
INFO
Manual execution by a user
- OpenWith.exe (PID: 6472)
- OOBE-Maintenance.exe (PID: 6940)
Checks supported languages
- setup_wm.exe (PID: 6732)
Reads the computer name
- setup_wm.exe (PID: 6732)
Reads the machine GUID from the registry
- setup_wm.exe (PID: 6732)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (76.4) |
|---|---|---|
| .exe | | | Win32 Executable (generic) (12.4) |
| .exe | | | Generic Win/DOS Executable (5.5) |
| .exe | | | DOS Executable Generic (5.5) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2016:05:25 16:16:16+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit, DLL |
| PEType: | PE32 |
| LinkerVersion: | 12 |
| CodeSize: | 2841600 |
| InitializedDataSize: | 2298880 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2b5d75 |
| OSVersion: | 6 |
| ImageVersion: | 5.6 |
| SubsystemVersion: | 6 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 5.6.1.0 |
| ProductVersionNumber: | 5.6.1.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Dynamic link library |
| FileSubtype: | - |
| LanguageCode: | English (U.S.) |
| CharacterSet: | Unicode |
| CompanyName: | The Qt Company Ltd |
| FileDescription: | C++ application development framework. |
| FileVersion: | 5.6.1.0 |
| LegalCopyright: | Copyright (C) 2015 The Qt Company Ltd. |
| OriginalFileName: | Qt5Widgets.dll |
| ProductName: | Qt5 |
| ProductVersion: | 5.6.1.0 |
Total processes
146
Monitored processes
12
Malicious processes
3
Suspicious processes
3
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2336 | cmd.exe /C reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\admin\Documents\FirefoxData.dll",EntryPoint /f & exit | C:\Windows\SysWOW64\cmd.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Command Processor Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2536 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 4708 -s 648 | C:\Windows\SysWOW64\WerFault.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 4708 | "C:\WINDOWS\SysWOW64\rundll32.exe" | C:\Windows\SysWOW64\rundll32.exe | rundll32.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 3221225477 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 5904 | "C:\WINDOWS\system32\dllhost.exe" | C:\Windows\System32\dllhost.exe | setup_wm.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: COM Surrogate Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6008 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | cmd.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6236 | \??\C:\WINDOWS\system32\conhost.exe 0xffffffff -ForceV1 | C:\Windows\System32\conhost.exe | — | OOBE-Maintenance.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Console Window Host Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6272 | reg add "HKCU\SOFTWARE\Microsoft\Windows\CurrentVersion\Run" /v "*ChromeUpdate" /t REG_SZ /d "rundll32.exe C:\Users\admin\Documents\FirefoxData.dll",EntryPoint /f | C:\Windows\SysWOW64\reg.exe | cmd.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Registry Console Tool Exit code: 0 Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6472 | "C:\WINDOWS\system32\openwith.exe" | C:\Windows\SysWOW64\OpenWith.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Pick an app Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6560 | "C:\WINDOWS\SysWOW64\rundll32.exe" C:\Users\admin\AppData\Local\Temp\msimg32.dll, #1 | C:\Windows\SysWOW64\rundll32.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows host process (Rundll32) Exit code: 0 Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 6732 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 4708 -s 672 | C:\Windows\SysWOW64\WerFault.exe | — | rundll32.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Problem Reporting Exit code: 0 Version: 10.0.19041.3996 (WinBuild.160101.0800) Modules
| |||||||||||||||
Total events
2 472
Read events
2 470
Write events
2
Delete events
0
Modification events
| (PID) Process: | (4708) rundll32.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\SibCode |
| Operation: | write | Name: | sn2 |
Value: B2FC5F23C4B9697519C9276226CFEC623EEF4B5EB4074352732A21C3DBCB50CEF8CFF228C5B15517E5AEEE59355A70945AA76899FAE1F985028349F2D588C653 | |||
| (PID) Process: | (6272) reg.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\Run |
| Operation: | write | Name: | *ChromeUpdate |
Value: rundll32.exe C:\Users\admin\Documents\FirefoxData.dll,EntryPoint | |||
Executable files
0
Suspicious files
0
Text files
0
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 6560 | rundll32.exe | C:\Users\admin\Documents\FirefoxData.dll | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
4
TCP/UDP connections
44
DNS requests
14
Threats
8
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
5336 | SearchApp.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
5552 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
6876 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
6908 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAn5bsKVVV8kdJ6vHl3O1J0%3D | unknown | — | — | whitelisted |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3888 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
2468 | RUXIMICS.exe | 51.104.136.2:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
2120 | MoUsoCoreWorker.exe | 51.104.136.2:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4160 | svchost.exe | 51.104.136.2:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
4160 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5336 | SearchApp.exe | 95.100.146.32:443 | www.bing.com | Akamai International B.V. | CZ | unknown |
5336 | SearchApp.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
5552 | svchost.exe | 20.190.160.20:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
settings-win.data.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
login.live.com |
| whitelisted |
client.wns.windows.com |
| whitelisted |
fd.api.iris.microsoft.com |
| whitelisted |
th.bing.com |
| whitelisted |
arc.msn.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
6940 | OOBE-Maintenance.exe | A Network Trojan was detected | STEALER [ANY.RUN] Rhadamanthys SSL Certificate and JA3s |
6940 | OOBE-Maintenance.exe | A Network Trojan was detected | STEALER [ANY.RUN] Rhadamanthys SSL Certificate and JA3s |
6 ETPRO signatures available at the full report