| URL: | https://tmpfiles.org/dl/20418245/keysmasterpro-v2.3.exe |
| Full analysis: | https://app.any.run/tasks/895c65fa-e006-4af2-9186-528f55016ee1 |
| Verdict: | Malicious activity |
| Threats: | Lumma is an information stealer, developed using the C programming language. It is offered for sale as a malware-as-a-service, with several plans available. It usually targets cryptocurrency wallets, login credentials, and other sensitive information on a compromised system. The malicious software regularly gets updates that improve and expand its functionality, making it a serious stealer threat. |
| Analysis date: | February 07, 2025, 21:26:10 |
| OS: | Windows 10 Professional (build: 19045, 64 bit) |
| Tags: | |
| Indicators: | |
| MD5: | F21D139986AEDE29492EEBF2DFDC3BAA |
| SHA1: | 6049590C14A225C11BCA08110E8B5E3AF981D640 |
| SHA256: | F945967D4A9FA824C53D7DB4F145BF133737B1D5C8A9703E84104D33BEA222A5 |
| SSDEEP: | 3:N8AkZyoIbddAn:2A4yoIbdCn |
MALICIOUS
Executing a file with an untrusted certificate
- keysmasterpro-v2.3.exe (PID: 7524)
LUMMA mutex has been found
- keysmasterpro-v2.3.exe (PID: 7524)
Actions looks like stealing of personal data
- keysmasterpro-v2.3.exe (PID: 7524)
Connects to the CnC server
- svchost.exe (PID: 2192)
LUMMA has been detected (SURICATA)
- svchost.exe (PID: 2192)
- keysmasterpro-v2.3.exe (PID: 7524)
Steals credentials from Web Browsers
- keysmasterpro-v2.3.exe (PID: 7524)
SUSPICIOUS
Contacting a server suspected of hosting an CnC
- svchost.exe (PID: 2192)
- keysmasterpro-v2.3.exe (PID: 7524)
Searches for installed software
- keysmasterpro-v2.3.exe (PID: 7524)
INFO
Reads Environment values
- identity_helper.exe (PID: 2416)
Executable content was dropped or overwritten
- msedge.exe (PID: 5244)
Checks supported languages
- identity_helper.exe (PID: 2416)
- keysmasterpro-v2.3.exe (PID: 7524)
Application launched itself
- msedge.exe (PID: 5244)
Reads the computer name
- identity_helper.exe (PID: 2416)
- keysmasterpro-v2.3.exe (PID: 7524)
Reads the software policy settings
- keysmasterpro-v2.3.exe (PID: 7524)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
165
Monitored processes
33
Malicious processes
3
Suspicious processes
0
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 1480 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=6900 --field-trial-handle=2260,i,16424743983287931951,11956941407025891633,262144 --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 Exit code: 0 Version: 122.0.2365.59 Modules
| |||||||||||||||
| 2092 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=7016 --field-trial-handle=2260,i,16424743983287931951,11956941407025891633,262144 --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 Exit code: 0 Version: 122.0.2365.59 Modules
| |||||||||||||||
| 2192 | C:\WINDOWS\system32\svchost.exe -k NetworkService -p -s Dnscache | C:\Windows\System32\svchost.exe | services.exe | ||||||||||||
User: NETWORK SERVICE Company: Microsoft Corporation Integrity Level: SYSTEM Description: Host Process for Windows Services Version: 10.0.19041.1 (WinBuild.160101.0800) Modules
| |||||||||||||||
| 2416 | "C:\Program Files (x86)\Microsoft\Edge\Application\122.0.2365.59\identity_helper.exe" --type=utility --utility-sub-type=winrt_app_id.mojom.WinrtAppIdService --lang=en-US --service-sandbox-type=none --no-appcompat-clear --mojo-platform-channel-handle=6792 --field-trial-handle=2260,i,16424743983287931951,11956941407025891633,262144 --variations-seed-version /prefetch:8 | C:\Program Files (x86)\Microsoft\Edge\Application\122.0.2365.59\identity_helper.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: PWA Identity Proxy Host Exit code: 0 Version: 122.0.2365.59 Modules
| |||||||||||||||
| 2436 | "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=0x300,0x304,0x308,0x2f8,0x310,0x7ff818de5fd8,0x7ff818de5fe4,0x7ff818de5ff0 | 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
| |||||||||||||||
| 3840 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=7180 --field-trial-handle=2260,i,16424743983287931951,11956941407025891633,262144 --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 Exit code: 0 Version: 122.0.2365.59 Modules
| |||||||||||||||
| 3848 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=7132 --field-trial-handle=2260,i,16424743983287931951,11956941407025891633,262144 --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 Exit code: 0 Version: 122.0.2365.59 Modules
| |||||||||||||||
| 4908 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=data_decoder.mojom.DataDecoderService --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=6900 --field-trial-handle=2260,i,16424743983287931951,11956941407025891633,262144 --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 Exit code: 0 Version: 122.0.2365.59 Modules
| |||||||||||||||
| 5200 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=unzip.mojom.Unzipper --lang=en-US --service-sandbox-type=service --no-appcompat-clear --mojo-platform-channel-handle=7204 --field-trial-handle=2260,i,16424743983287931951,11956941407025891633,262144 --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 Exit code: 0 Version: 122.0.2365.59 Modules
| |||||||||||||||
| 5244 | "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" "https://tmpfiles.org/dl/20418245/keysmasterpro-v2.3.exe" | C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 122.0.2365.59 Modules
| |||||||||||||||
Total events
9 597
Read events
9 583
Write events
14
Delete events
0
Modification events
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\328350 |
| Operation: | write | Name: | WindowTabManagerFileMappingId |
Value: {9E0F95A7-A735-4D28-9264-66E09287B5B7} | |||
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Windows\CurrentVersion\WindowProperties\328350 |
| Operation: | write | Name: | WindowTabManagerFileMappingId |
Value: {13C94BE5-1469-4172-97BA-C0451865ACA0} | |||
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | failed_count |
Value: 0 | |||
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 2 | |||
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 1 | |||
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\StabilityMetrics |
| Operation: | write | Name: | user_experience_metrics.stability.exited_cleanly |
Value: 0 | |||
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault |
| Operation: | write | Name: | S-1-5-21-1693682860-607145093-2874071422-1001 |
Value: BE4BAC4A2A8C2F00 | |||
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\WOW6432Node\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault |
| Operation: | write | Name: | S-1-5-21-1693682860-607145093-2874071422-1001 |
Value: 6FD3B54A2A8C2F00 | |||
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\EdgeUpdate\Clients\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\Commands\on-logon-autolaunch |
| Operation: | write | Name: | Enabled |
Value: 0 | |||
| (PID) Process: | (5244) msedge.exe | Key: | HKEY_CURRENT_USER\SOFTWARE\Microsoft\Edge\Profiles |
| Operation: | write | Name: | EnhancedLinkOpeningDefault |
Value: Default | |||
Executable files
9
Suspicious files
204
Text files
36
Unknown types
2
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old~RF136777.TMP | — | |
MD5:— | SHA256:— | |||
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\parcel_tracking_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old~RF136797.TMP | — | |
MD5:— | SHA256:— | |||
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\PersistentOriginTrials\LOG.old | — | |
MD5:— | SHA256:— | |||
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old~RF136797.TMP | — | |
MD5:— | SHA256:— | |||
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\discounts_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RF136797.TMP | — | |
MD5:— | SHA256:— | |||
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old | — | |
MD5:— | SHA256:— | |||
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old~RF136797.TMP | — | |
MD5:— | SHA256:— | |||
| 5244 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old | — | |
MD5:— | SHA256:— | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
9
TCP/UDP connections
52
DNS requests
44
Threats
11
HTTP requests
PID | Process | Method | HTTP Code | IP | URL | CN | Type | Size | Reputation |
|---|---|---|---|---|---|---|---|---|---|
736 | RUXIMICS.exe | GET | 200 | 23.207.210.92:80 | http://crl.microsoft.com/pki/crl/products/MicRooCerAut2011_2011_03_22.crl | unknown | — | — | whitelisted |
736 | RUXIMICS.exe | GET | 200 | 23.35.229.160:80 | http://www.microsoft.com/pkiops/crl/MicSecSerCA2011_2011-10-18.crl | unknown | — | — | whitelisted |
5064 | SearchApp.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrjrydRyt%2BApF3GSPypfHBxR5XtQQUs9tIpPmhxdiuNkHMEWNpYim8S8YCEAI5PUjXAkJafLQcAAsO18o%3D | unknown | — | — | whitelisted |
5244 | msedge.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTfqhLjKLEJQZPin0KCzkdAQpVYowQUsT7DaQP4v0cB1JgmGggC72NkK8MCEAPxtOFfOoLxFJZ4s9fYR1w%3D | unknown | — | — | whitelisted |
5244 | msedge.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSPwl%2BrBFlJbvzLXU1bGW08VysJ2wQUj%2Bh%2B8G0yagAFI8dwl2o6kP9r6tQCEAud4jQ6wT%2Bf3yvC1%2FOmwgA%3D | unknown | — | — | whitelisted |
6872 | backgroundTaskHost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBQ50otx%2Fh0Ztl%2Bz8SiPI7wEWVxDlQQUTiJUIBiV5uNu5g%2F6%2BrkS7QYXjzkCEAUZZSZEml49Gjh0j13P68w%3D | unknown | — | — | whitelisted |
1176 | svchost.exe | GET | 200 | 2.17.190.73:80 | http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBSAUQYBMq2awn1Rh6Doh%2FsBYgFV7gQUA95QNVbRTLtm8KPiGxvDl7I90VUCEAJ0LqoXyo4hxxe7H%2Fz9DKA%3D | unknown | — | — | whitelisted |
7536 | 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 |
7536 | 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 |
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
Connections
PID | Process | IP | Domain | ASN | CN | Reputation |
|---|---|---|---|---|---|---|
236 | 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 |
4712 | MoUsoCoreWorker.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
736 | RUXIMICS.exe | 40.127.240.158:443 | settings-win.data.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | IE | whitelisted |
6236 | msedge.exe | 13.107.42.16:443 | config.edge.skype.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6236 | msedge.exe | 172.67.195.247:443 | tmpfiles.org | — | — | suspicious |
6236 | msedge.exe | 204.79.197.239:443 | edge.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6236 | msedge.exe | 13.107.253.45:443 | edge-mobile-static.azureedge.net | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
6236 | msedge.exe | 13.107.6.158:443 | business.bing.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
5244 | msedge.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
config.edge.skype.com |
| whitelisted |
edge.microsoft.com |
| whitelisted |
edge-mobile-static.azureedge.net |
| whitelisted |
tmpfiles.org |
| unknown |
business.bing.com |
| whitelisted |
bzib.nelreports.net |
| whitelisted |
update.googleapis.com |
| whitelisted |
edgeservices.bing.com |
| whitelisted |
clients2.googleusercontent.com |
| whitelisted |
www.bing.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
6236 | msedge.exe | Misc activity | ET INFO Temporary File Hosting Domain in DNS Lookup (tmpfiles .org) |
6236 | msedge.exe | Misc activity | ET INFO Temporary File Hosting Domain in DNS Lookup (tmpfiles .org) |
6236 | msedge.exe | Possible Social Engineering Attempted | SUSPICIOUS [ANY.RUN] Domain Marked as Malicious (tmpfiles .org) |
6236 | msedge.exe | Possible Social Engineering Attempted | SUSPICIOUS [ANY.RUN] Domain Marked as Malicious (tmpfiles .org) |
2192 | svchost.exe | Domain Observed Used for C2 Detected | ET MALWARE Win32/Lumma Stealer Related CnC Domain in DNS Lookup (garulouscuto .com) |
7524 | keysmasterpro-v2.3.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Win32/Lumma Stealer Related Domain (garulouscuto .com in TLS SNI) |
7524 | keysmasterpro-v2.3.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Win32/Lumma Stealer Related Domain (garulouscuto .com in TLS SNI) |
7524 | keysmasterpro-v2.3.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Win32/Lumma Stealer Related Domain (garulouscuto .com in TLS SNI) |
7524 | keysmasterpro-v2.3.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Win32/Lumma Stealer Related Domain (garulouscuto .com in TLS SNI) |
7524 | keysmasterpro-v2.3.exe | Domain Observed Used for C2 Detected | ET MALWARE Observed Win32/Lumma Stealer Related Domain (garulouscuto .com in TLS SNI) |