| File name: | msg.exe |
| Full analysis: | https://app.any.run/tasks/6e9d6a83-3d0d-4ce2-86a1-3f6672fd1ac5 |
| Verdict: | Malicious activity |
| Threats: | AsyncRAT is a RAT that can monitor and remotely control infected systems. This malware was introduced on Github as a legitimate open-source remote administration software, but hackers use it for its many powerful malicious functions. |
| Analysis date: | June 17, 2024, 09:14:58 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/x-dosexec |
| File info: | PE32 executable (GUI) Intel 80386 Mono/.Net assembly, for MS Windows |
| MD5: | 5C04FA9617AD45948C36A5B78B3BC97A |
| SHA1: | A5F1C82BAE29D8DCF82D8ADBC8D7F2A23C314D1D |
| SHA256: | 385449791B24A14FCF241E52E9F3737F407A1F7E733303E8994745225386FF09 |
| SSDEEP: | 1536:U+iiP4ZCnMAY30NwZEceAAEOgDbwPjwVGl3ba79dGx:U+iiP4ZCNY3ZbOgDbwmCx |
MALICIOUS
Drops the executable file immediately after the start
- msg.exe (PID: 3976)
ASYNCRAT has been detected (MUTEX)
- msg.exe (PID: 3976)
ASYNCRAT has been detected (SURICATA)
- msg.exe (PID: 3976)
Actions looks like stealing of personal data
- msg.exe (PID: 3976)
ASYNCRAT has been detected (YARA)
- msg.exe (PID: 3976)
SUSPICIOUS
Reads settings of System Certificates
- msg.exe (PID: 3976)
Reads the Internet Settings
- msg.exe (PID: 3976)
Contacting a server suspected of hosting an CnC
- msg.exe (PID: 3976)
Connects to unusual port
- msg.exe (PID: 3976)
INFO
Reads Environment values
- msg.exe (PID: 3976)
Reads the machine GUID from the registry
- msg.exe (PID: 3976)
Reads the computer name
- msg.exe (PID: 3976)
- wmpnscfg.exe (PID: 928)
Checks supported languages
- msg.exe (PID: 3976)
- wmpnscfg.exe (PID: 928)
Reads the software policy settings
- msg.exe (PID: 3976)
Create files in a temporary directory
- msg.exe (PID: 3976)
Manual execution by a user
- wmpnscfg.exe (PID: 928)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
AsyncRat
(PID) Process(3976) msg.exe
C2 (1)eazy.webredirect.org
Ports (4)1000
6606
7707
8808
VersionAWS | 3Losh
Options
AutoRunfalse
MutexAsyncMutex_eazy
InstallFolder%AppData%
Certificates
Cert1MIIE8jCCAtqgAwIBAgIQAPeWQ4YJ3MvReCGwLzn7rTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwNDI1MDA0MTA5WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAKT9nYYTjYTZhY+g1tekZ8/F29gsEIDgf/8odvCbCmYKGGZZi2yND9NjtBXEMANM9PAXCyMapGva...
Server_Signaturea9Ehcanus8YJ8lFvrHwBPRzEhvtoJeSs0V++Qx9UFyg7PArpTgtaumZAKfBc2plBcitGooLhnXTM9q8dDlgX+Sw1OvjWyhCaqOJY+JvmLICXyQ74mGL6FgNgs8q5pnIYpT74LUGhtt3Vs0GKUR67BebzCmmx1IFHZj8FTCohlbCnWKYT+duKKwLMsMO5TGmUu5IOUZUKDii+xk9FhKXwKQ99LEQhT/YLlEKTBfgvYem66K618eGSLQPGOGr/nkuSli82w84nEBFNW3MdTzQPR7I6WddOjugv/4eiGOLoDDmX...
Keys
AES00a3856a6d65465d81800e680ab3ffb78bba178647eca5a792513278634a7dae
Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941
TRiD
| .exe | | | Generic CIL Executable (.NET, Mono, etc.) (82.9) |
|---|---|---|
| .dll | | | Win32 Dynamic Link Library (generic) (7.4) |
| .exe | | | Win32 Executable (generic) (5.1) |
| .exe | | | Generic Win/DOS Executable (2.2) |
| .exe | | | DOS Executable Generic (2.2) |
EXIF
EXE
| MachineType: | Intel 386 or later, and compatibles |
|---|---|
| TimeStamp: | 2024:02:13 23:35:09+00:00 |
| ImageFileCharacteristics: | Executable, 32-bit |
| PEType: | PE32 |
| LinkerVersion: | 8 |
| CodeSize: | 62976 |
| InitializedDataSize: | 2560 |
| UninitializedDataSize: | - |
| EntryPoint: | 0x114fe |
| OSVersion: | 4 |
| ImageVersion: | - |
| SubsystemVersion: | 4 |
| Subsystem: | Windows GUI |
| FileVersionNumber: | 1.0.0.0 |
| ProductVersionNumber: | 1.0.0.0 |
| FileFlagsMask: | 0x003f |
| FileFlags: | (none) |
| FileOS: | Win32 |
| ObjectFileType: | Executable application |
| FileSubtype: | - |
| LanguageCode: | Neutral |
| CharacterSet: | Unicode |
| Comments: | - |
| CompanyName: | - |
| FileDescription: | - |
| FileVersion: | 1.0.0.0 |
| InternalName: | Stub.exe |
| LegalCopyright: | - |
| LegalTrademarks: | - |
| OriginalFileName: | Stub.exe |
| ProductName: | - |
| ProductVersion: | 1.0.0.0 |
| AssemblyVersion: | 1.0.0.0 |
Total processes
34
Monitored processes
2
Malicious processes
1
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 928 | "C:\Program Files\Windows Media Player\wmpnscfg.exe" | C:\Program Files\Windows Media Player\wmpnscfg.exe | — | explorer.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Windows Media Player Network Sharing Service Configuration Application Exit code: 0 Version: 12.0.7600.16385 (win7_rtm.090713-1255) Modules
| |||||||||||||||
| 3976 | "C:\Users\admin\AppData\Local\Temp\msg.exe" | C:\Users\admin\AppData\Local\Temp\msg.exe | explorer.exe | ||||||||||||
User: admin Integrity Level: MEDIUM Version: 1.0.0.0 Modules
AsyncRat(PID) Process(3976) msg.exe C2 (1)eazy.webredirect.org Ports (4)1000 6606 7707 8808 VersionAWS | 3Losh Options AutoRunfalse MutexAsyncMutex_eazy InstallFolder%AppData% Certificates Cert1MIIE8jCCAtqgAwIBAgIQAPeWQ4YJ3MvReCGwLzn7rTANBgkqhkiG9w0BAQ0FADAaMRgwFgYDVQQDDA9Bc3luY1JBVCBTZXJ2ZXIwIBcNMjIwNDI1MDA0MTA5WhgPOTk5OTEyMzEyMzU5NTlaMBoxGDAWBgNVBAMMD0FzeW5jUkFUIFNlcnZlcjCCAiIwDQYJKoZIhvcNAQEBBQADggIPADCCAgoCggIBAKT9nYYTjYTZhY+g1tekZ8/F29gsEIDgf/8odvCbCmYKGGZZi2yND9NjtBXEMANM9PAXCyMapGva... Server_Signaturea9Ehcanus8YJ8lFvrHwBPRzEhvtoJeSs0V++Qx9UFyg7PArpTgtaumZAKfBc2plBcitGooLhnXTM9q8dDlgX+Sw1OvjWyhCaqOJY+JvmLICXyQ74mGL6FgNgs8q5pnIYpT74LUGhtt3Vs0GKUR67BebzCmmx1IFHZj8FTCohlbCnWKYT+duKKwLMsMO5TGmUu5IOUZUKDii+xk9FhKXwKQ99LEQhT/YLlEKTBfgvYem66K618eGSLQPGOGr/nkuSli82w84nEBFNW3MdTzQPR7I6WddOjugv/4eiGOLoDDmX... Keys AES00a3856a6d65465d81800e680ab3ffb78bba178647eca5a792513278634a7dae Saltbfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941 | |||||||||||||||
Total events
4 760
Read events
4 746
Write events
14
Delete events
0
Modification events
| (PID) Process: | (3976) msg.exe | Key: | HKEY_CLASSES_ROOT\Local Settings\MuiCache\182\52C64B7E |
| Operation: | write | Name: | LanguageList |
Value: en-US | |||
Executable files
0
Suspicious files
4
Text files
1
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3976 | msg.exe | C:\Users\admin\AppData\Local\Temp\Tar40A6.tmp | binary | |
MD5:4EA6026CF93EC6338144661BF1202CD1 | SHA256:8EFBC21559EF8B1BCF526800D8070BAAD42474CE7198E26FA771DBB41A76B1D8 | |||
| 3976 | msg.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\77EC63BDA74BD0D0E0426DC8F8008506 | compressed | |
MD5:49AEBF8CBD62D92AC215B2923FB1B9F5 | SHA256:B33EFCB95235B98B48508E019AFA4B7655E80CF071DEFABD8B2123FC8B29307F | |||
| 3976 | msg.exe | C:\Users\admin\AppData\Local\Temp\Log.tmp | text | |
MD5:DD639C1E027204F330254365625874BC | SHA256:3896DF3B044C24FC300C97CF0DCA56DBBC20A4A3921441B48FFDAE9D71C4A1F1 | |||
| 3976 | msg.exe | C:\Users\admin\AppData\Local\Temp\Cab40A5.tmp | compressed | |
MD5:49AEBF8CBD62D92AC215B2923FB1B9F5 | SHA256:B33EFCB95235B98B48508E019AFA4B7655E80CF071DEFABD8B2123FC8B29307F | |||
| 3976 | msg.exe | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\77EC63BDA74BD0D0E0426DC8F8008506 | binary | |
MD5:62B2C19CD963F4A3DC7DDB615BBFA94C | SHA256:60E52EB35B554EA77A779B4087079A3D8F47802F43F2E35A28DEE027C22AEE78 | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
1
TCP/UDP connections
6
DNS requests
2
Threats
5
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3976 | msg.exe | GET | 200 | 199.232.210.172:80 | http://ctldl.windowsupdate.com/msdownload/update/v3/static/trustedr/en/authrootstl.cab?31d9d57bfb4c63d7 | 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 |
1088 | svchost.exe | 224.0.0.252:5355 | — | — | — | unknown |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
3976 | msg.exe | 163.5.169.248:1000 | eazy.webredirect.org | Bursabil Teknoloji A.S. | FR | unknown |
3976 | msg.exe | 199.232.210.172:80 | ctldl.windowsupdate.com | FASTLY | US | unknown |
DNS requests
Domain | IP | Reputation |
|---|---|---|
eazy.webredirect.org |
| unknown |
ctldl.windowsupdate.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
1088 | svchost.exe | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.webredirect .org Domain |
3976 | msg.exe | Domain Observed Used for C2 Detected | REMOTE [ANY.RUN] AsyncRAT SSL certificate |
3976 | msg.exe | Domain Observed Used for C2 Detected | ET MALWARE Generic AsyncRAT Style SSL Cert |
3976 | msg.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server) |
3976 | msg.exe | Malware Command and Control Activity Detected | REMOTE [ANY.RUN] AsyncRAT Successful Connection |