| File name: | msimg32.dll |
| Full analysis: | https://app.any.run/tasks/df149264-e36b-4bfc-9c4a-7b5a97e67679 |
| 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: | July 25, 2024, 15:24:31 |
| 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: | 00011A65610AA4BF5BE35D3F225388A5 |
| SHA1: | 0DF9F178C8CF93399C93EA681CE57E1B2DD66780 |
| SHA256: | B46FFA6628B3FAA1CD1A1EF00A7C163D679817B5548F95F48FB36DBB3E9CDD47 |
| SSDEEP: | 98304:CGGLeExw+nsAYfVsOGgDs2MwO8Ool2hXmHbolvGFx:5khXX4 |
MALICIOUS
Drops the executable file immediately after the start
- rundll32.exe (PID: 3480)
Changes the autorun value in the registry
- reg.exe (PID: 2864)
RHADAMANTHYS has been detected (SURICATA)
- OpenWith.exe (PID: 612)
RHADAMANTHYS has been detected (YARA)
- OpenWith.exe (PID: 612)
SUSPICIOUS
There is functionality for communication over UDP network (YARA)
- rundll32.exe (PID: 3480)
Application launched itself
- rundll32.exe (PID: 3480)
The process checks if it is being run in the virtual environment
- OpenWith.exe (PID: 612)
Executes application which crashes
- rundll32.exe (PID: 7160)
Uses REG/REGEDIT.EXE to modify registry
- cmd.exe (PID: 6612)
Starts CMD.EXE for commands execution
- rundll32.exe (PID: 3480)
Contacting a server suspected of hosting an CnC
- OpenWith.exe (PID: 612)
Connects to unusual port
- OpenWith.exe (PID: 612)
INFO
Manual execution by a user
- OpenWith.exe (PID: 612)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .exe | | | Win64 Executable (generic) (64.6) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (15.4) |
| .exe | | | Win32 Executable (generic) (10.5) |
| .exe | | | Generic Win/DOS Executable (4.6) |
| .exe | | | DOS Executable Generic (4.6) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2017:05:23 17:04:36+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit, DLL |
| PEType: | PE32 |
| LinkerVersion: | 14 |
| CodeSize: | 1364480 |
| InitializedDataSize: | 1319936 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x2e410 |
| OSVersion: | 5.1 |
| ImageVersion: | - |
| SubsystemVersion: | 5.1 |
| Subsystem: | Windows GUI |
Total processes
141
Monitored processes
9
Malicious processes
1
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 612 | "C:\WINDOWS\system32\openwith.exe" | C:\Windows\SysWOW64\OpenWith.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Pick an app Version: 10.0.19041.3636 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 1148 | 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
| |||||||||||||||
| 1560 | \??\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
| |||||||||||||||
| 2300 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7160 -s 652 | 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
| |||||||||||||||
| 2824 | C:\WINDOWS\SysWOW64\WerFault.exe -u -p 7160 -s 644 | 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
| |||||||||||||||
| 2864 | 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
| |||||||||||||||
| 3480 | "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
| |||||||||||||||
| 6612 | 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
| |||||||||||||||
| 7160 | "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
| |||||||||||||||
Total events
1 602
Read events
1 600
Write events
2
Delete events
0
Modification events
| (PID) Process: | (7160) rundll32.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\SibCode |
| Operation: | write | Name: | sn2 |
Value: 987C97331E14C2B69B21524A4E3A8ED65C47E09428821F3580277169DA572CC8E863E963D5F70DC429586FBB7B4D9CA5D42D95B956E13C0A7935BCFD40AF14DD | |||
| (PID) Process: | (2864) 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 | |
|---|---|---|---|---|
| 3480 | 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
1
TCP/UDP connections
38
DNS requests
16
Threats
2
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
— | — | POST | 403 | null:443 | https://go.microsoft.com/fwlink/?LinkID=2257403&clcid=0x409 | unknown | — | — | — |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
3952 | svchost.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
6012 | MoUsoCoreWorker.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3800 | svchost.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3076 | RUXIMICS.exe | 4.231.128.59:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
4204 | svchost.exe | 4.209.32.198:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | US | unknown |
4 | System | 192.168.100.255:137 | — | — | — | whitelisted |
3800 | svchost.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
4468 | slui.exe | 20.83.72.98:443 | activation-v2.sls.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6012 | MoUsoCoreWorker.exe | 51.124.78.146:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | NL | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
settings-win.data.microsoft.com |
| whitelisted |
google.com |
| whitelisted |
activation-v2.sls.microsoft.com |
| whitelisted |
www.bing.com |
| whitelisted |
login.live.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
arc.msn.com |
| whitelisted |
slscr.update.microsoft.com |
| whitelisted |
Threats
2 ETPRO signatures available at the full report