| File name: | RV NOTIFICACIÓN AUTO ADMISORIO 2025-00064.msg |
| Full analysis: | https://app.any.run/tasks/ff13887e-495a-433a-b91a-90480e443b75 |
| 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: | January 10, 2025, 17:58:28 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MIME: | application/vnd.ms-outlook |
| File info: | CDFV2 Microsoft Outlook Message |
| MD5: | 7833B4325D52474CBB92658EAEC32367 |
| SHA1: | DDE3B987EB5A73CE9C80FFC2CE70BF7875F63CF6 |
| SHA256: | D430BFB1433947449FEFE3C14DB219310FDE30887BA7F6394027E05EA87B3978 |
| SSDEEP: | 6144:RjI7yfXrw0IL7Y7TqgMqS/iIdxlM6DmROHC0YF:RE7yfXrjIAnvMh/iylzmm2F |
MALICIOUS
Executing a file with an untrusted certificate
- Auto_20003-40-01-010-2025-00064.exe (PID: 7336)
- Auto_20003-40-01-010-2025-00064.exe (PID: 4384)
ASYNCRAT has been detected (SURICATA)
- aspnet_compiler.exe (PID: 7296)
SUSPICIOUS
Executable content was dropped or overwritten
- Auto_20003-40-01-010-2025-00064.exe (PID: 4384)
Connects to unusual port
- aspnet_compiler.exe (PID: 7296)
Contacting a server suspected of hosting an CnC
- aspnet_compiler.exe (PID: 7296)
INFO
Checks supported languages
- Auto_20003-40-01-010-2025-00064.exe (PID: 7336)
- identity_helper.exe (PID: 5728)
- aspnet_compiler.exe (PID: 7296)
Reads Microsoft Office registry keys
- msedge.exe (PID: 4120)
Reads the computer name
- Auto_20003-40-01-010-2025-00064.exe (PID: 7336)
- identity_helper.exe (PID: 5728)
- aspnet_compiler.exe (PID: 7296)
The process uses the downloaded file
- msedge.exe (PID: 7912)
Reads the machine GUID from the registry
- Auto_20003-40-01-010-2025-00064.exe (PID: 4384)
- aspnet_compiler.exe (PID: 7296)
- Auto_20003-40-01-010-2025-00064.exe (PID: 7336)
Executable content was dropped or overwritten
- WinRAR.exe (PID: 8000)
Manual execution by a user
- aspnet_compiler.exe (PID: 7296)
Reads Environment values
- identity_helper.exe (PID: 5728)
Application launched itself
- msedge.exe (PID: 4120)
Reads the software policy settings
- aspnet_compiler.exe (PID: 7296)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
TRiD
| .msg | | | Outlook Message (58.9) |
|---|---|---|
| .oft | | | Outlook Form Template (34.4) |
Total processes
178
Monitored processes
45
Malicious processes
2
Suspicious processes
2
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 3540 | "C:\Program Files\Microsoft Office\Root\Office16\OUTLOOK.EXE" /f "C:\Users\admin\AppData\Local\Temp\RV NOTIFICACIÓN AUTO ADMISORIO 2025-00064.msg" | C:\Program Files\Microsoft Office\root\Office16\OUTLOOK.EXE | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Outlook Version: 16.0.16026.20146 Modules
| |||||||||||||||
| 6860 | "C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe" "634C8DD6-D428-4D77-9338-40EE5A3689C7" "0C020DE4-F6A6-404E-9249-37724E3F6C9C" "3540" | C:\Program Files\Microsoft Office\root\VFS\ProgramFilesCommonX64\Microsoft Shared\OFFICE16\ai.exe | — | OUTLOOK.EXE | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Artificial Intelligence (AI) Host for the Microsoft® Windows® Operating System and Platform x64. Version: 0.12.2.0 Modules
| |||||||||||||||
| 4120 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --single-argument https://drive.google.com/uc?id=1Y6iO_bV8_WIm6Cjg1DYj_WjSSgfNVROW&export=download&authuser=0 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | OUTLOOK.EXE | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 122.0.2365.59 Modules
| |||||||||||||||
| 4320 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:4 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=122.0.6261.70 "--annotation=exe=C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win64 "--annotation=prod=Microsoft Edge" --annotation=ver=122.0.2365.59 --initial-client-data=0x300,0x304,0x308,0x2f8,0x310,0x7ff821df5fd8,0x7ff821df5fe4,0x7ff821df5ff0 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 122.0.2365.59 Modules
| |||||||||||||||
| 7032 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --no-appcompat-clear --gpu-preferences=WAAAAAAAAADgAAAMAAAAAAAAAAAAAAAAAABgAAAAAAA4AAAAAAAAAAAAAAAEAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAAGAAAAAAAAAAYAAAAAAAAAAgAAAAAAAAACAAAAAAAAAAIAAAAAAAAAA== --mojo-platform-channel-handle=2380 --field-trial-handle=2412,i,11408079447785890293,3393940153605333302,262144 --variations-seed-version /prefetch:2 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 122.0.2365.59 Modules
| |||||||||||||||
| 7108 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=2480 --field-trial-handle=2412,i,11408079447785890293,3393940153605333302,262144 --variations-seed-version /prefetch:3 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | msedge.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 122.0.2365.59 Modules
| |||||||||||||||
| 7104 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=storage.mojom.StorageService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=1448 --field-trial-handle=2412,i,11408079447785890293,3393940153605333302,262144 --variations-seed-version /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 122.0.2365.59 Modules
| |||||||||||||||
| 1344 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=6 --mojo-platform-channel-handle=3536 --field-trial-handle=2412,i,11408079447785890293,3393940153605333302,262144 --variations-seed-version /prefetch:1 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 122.0.2365.59 Modules
| |||||||||||||||
| 3736 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=5 --mojo-platform-channel-handle=3720 --field-trial-handle=2412,i,11408079447785890293,3393940153605333302,262144 --variations-seed-version /prefetch:1 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 122.0.2365.59 Modules
| |||||||||||||||
| 2216 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=renderer --extension-process --renderer-sub-type=extension --no-appcompat-clear --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=7 --mojo-platform-channel-handle=4088 --field-trial-handle=2412,i,11408079447785890293,3393940153605333302,262144 --variations-seed-version /prefetch:2 | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 122.0.2365.59 Modules
| |||||||||||||||
Total events
21 491
Read events
21 027
Write events
395
Delete events
69
Modification events
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\ClientTelemetry\Sampling |
| Operation: | write | Name: | 6 |
Value: 01941A000000001000B24E9A3E06000000000000000600000000000000 | |||
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\Common\CrashPersistence\OUTLOOK\3540 |
| Operation: | write | Name: | 0 |
Value: 0B0E10F112CDFAD9A451408736BBF509936FA2230046A2D5CDB594F1D8ED016A04102400449A7D64B29D01008500A907556E6B6E6F776EC906022222CA0DC2190000C91003783634C511D41BD2120B6F00750074006C006F006F006B002E00650078006500C51620C517808004C91808323231322D44656300 | |||
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics |
| Operation: | delete value | Name: | BootCommand |
Value: | |||
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics |
| Operation: | delete value | Name: | BootFailureCount |
Value: | |||
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | delete key | Name: | (default) |
Value: | |||
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | write | Name: | CantBootResolution |
Value: BootSuccess | |||
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | write | Name: | ProfileBeingOpened |
Value: Outlook | |||
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | write | Name: | SessionId |
Value: C3D8E96E-C1AF-4750-8D52-F4E28119C131 | |||
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics\BootDiagnosticsDataPreviousSession |
| Operation: | write | Name: | BootDiagnosticsLogFile |
Value: C:\Users\admin\AppData\Local\Temp\Outlook Logging\OUTLOOK_16_0_16026_20146-20240718T1116060318-1644.etl | |||
| (PID) Process: | (3540) OUTLOOK.EXE | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Office\16.0\Outlook\Diagnostics |
| Operation: | delete value | Name: | ProfileBeingOpened |
Value: | |||
Executable files
8
Suspicious files
220
Text files
45
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 3540 | OUTLOOK.EXE | C:\Users\admin\Documents\Outlook Files\Outlook1.pst | — | |
MD5:— | SHA256:— | |||
| 3540 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Microsoft\Outlook\RoamCache\Stream_TableViewPreviewPrefs_2_7A74FAE1938E5C4B8DF34D6945526556.dat | xml | |
MD5:0E092DB99AEE99FDFF9B5B222C732CFD | SHA256:D1614AD99ADED9F6F5C1BE7FE7FFA5124BD04A526580DA3818EA8A954E852AA6 | |||
| 3540 | OUTLOOK.EXE | C:\Users\admin\AppData\Roaming\Microsoft\Templates\~$rmalEmail.dotm | binary | |
MD5:CA447DAA445414503A59791BC812B015 | SHA256:F29D50695874C0D88F816B7E79C17E68B1854177094AAA3CFA58C399E2A12E31 | |||
| 3540 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Microsoft\TokenBroker\Cache\56a61aeb75d8f5be186c26607f4bb213abe7c5ec.tbres | binary | |
MD5:640F567B36AB172A38FD22020B61C7E2 | SHA256:B45C10FF15C7F36BBD1018DC6863BAE1B77EFB22725C1BA9DE1EF7FA03A62743 | |||
| 3540 | OUTLOOK.EXE | C:\Users\admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_CBDCCBFE4F7A916411C1E69BDD97BB04 | binary | |
MD5:EDF5993717E433E15840063757C2C989 | SHA256:4B1405F6DF6F5D04E0999070169E21020F23D71BE2DD00AF56A99B6CD63B0AB7 | |||
| 4120 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old~RF13d1da.TMP | — | |
MD5:— | SHA256:— | |||
| 4120 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old~RF13d1da.TMP | — | |
MD5:— | SHA256:— | |||
| 4120 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 3540 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Microsoft\Windows\INetCache\Content.MSO\90AEF7E7.dat | image | |
MD5:B2C31F2F801045E78AE43E7884187DDD | SHA256:96AB6C803F4CD9B9DE8EDE054F4177227D1EDFC72EB6F8EF59D61A60F19789A5 | |||
| 3540 | OUTLOOK.EXE | C:\Users\admin\AppData\Local\Microsoft\FontCache\4\PreviewFont\flat_officeFontsPreview_4_27.ttf | binary | |
MD5:59610D64A881E76BAD429817056A9E34 | SHA256:264CEBF14D79463C65BCE44297E19FA0FC6D75848CA07B45C2F563344530336A | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
7
TCP/UDP connections
65
DNS requests
55
Threats
6
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
3464 | svchost.exe | GET | 200 | 23.53.40.176:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
6748 | backgroundTaskHost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
4540 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Update%20Secure%20Server%20CA%202.1.crl | unknown | — | — | whitelisted |
4540 | SIHClient.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/Microsoft%20ECC%20Product%20Root%20Certificate%20Authority%202018.crl | unknown | — | — | whitelisted |
3464 | svchost.exe | GET | 200 | 23.52.120.96:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
1176 | svchost.exe | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
3540 | OUTLOOK.EXE | GET | 200 | 192.229.221.95:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEApDqVCbATUviZV57HIIulA%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 |
|---|---|---|---|---|---|---|
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
4712 | MoUsoCoreWorker.exe | 4.231.128.59:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5788 | RUXIMICS.exe | 4.231.128.59:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
5064 | SearchApp.exe | 104.126.37.154:443 | www.bing.com | Akamai International B.V. | DE | whitelisted |
3464 | svchost.exe | 4.231.128.59:443 | — | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3540 | OUTLOOK.EXE | 52.113.194.132:443 | ecs.office.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
1176 | svchost.exe | 20.190.159.71:443 | login.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
1176 | svchost.exe | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
3540 | OUTLOOK.EXE | 52.109.76.243:443 | roaming.officeapps.live.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
3540 | OUTLOOK.EXE | 192.229.221.95:80 | ocsp.digicert.com | EDGECAST | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
www.bing.com |
| whitelisted |
google.com |
| whitelisted |
ecs.office.com |
| whitelisted |
login.live.com |
| whitelisted |
ocsp.digicert.com |
| whitelisted |
roaming.officeapps.live.com |
| whitelisted |
go.microsoft.com |
| whitelisted |
omex.cdn.office.net |
| whitelisted |
messaging.lifecycle.office.com |
| whitelisted |
fs.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
— | — | Potentially Bad Traffic | ET INFO DYNAMIC_DNS Query to a *.gotdns .ch Domain |
— | — | Domain Observed Used for C2 Detected | REMOTE [ANY.RUN] AsyncRAT SSL certificate |
— | — | Domain Observed Used for C2 Detected | ET MALWARE Observed Malicious SSL Cert (AsyncRAT Server) |
— | — | Domain Observed Used for C2 Detected | ET MALWARE Generic AsyncRAT Style SSL Cert |
2 ETPRO signatures available at the full report