| URL: | bronxy.cc/sign |
| Full analysis: | https://app.any.run/tasks/d6700626-1f96-41b4-8e34-f284c07db1da |
| Verdict: | Malicious activity |
| Analysis date: | April 29, 2025, 16:12:24 |
| OS: | Windows 7 Professional Service Pack 1 (build: 7601, 32 bit) |
| Indicators: | |
| MD5: | 3492B5445A708BD51EFF18A87F6DA538 |
| SHA1: | 047F51C68EFEF21EF9EFA452531B4D3C14458FFD |
| SHA256: | FD64221AB2B647CFA9B67C0F378AFA56964BAAE0CBD950A38B3F541EC3E1608F |
| SSDEEP: | 3:6LdcLReIn:6LUReIn |
MALICIOUS
No malicious indicators.SUSPICIOUS
Process drops legitimate windows executable
- msedge.exe (PID: 568)
- msedge.exe (PID: 1964)
- MSTeamsSetup (1).exe (PID: 1072)
- MSTeamsSetup.exe (PID: 1828)
Executable content was dropped or overwritten
- MSTeamsSetup (1).exe (PID: 1072)
- MSTeamsSetup.exe (PID: 1828)
Reads the Internet Settings
- Update.exe (PID: 3176)
- Update.exe (PID: 1236)
Reads settings of System Certificates
- Update.exe (PID: 3176)
- Update.exe (PID: 1236)
Start notepad (likely ransomware note)
- MSTeamsSetup.exe (PID: 1828)
INFO
The sample compiled with english language support
- msedge.exe (PID: 568)
- msedge.exe (PID: 1964)
Application launched itself
- msedge.exe (PID: 1964)
Checks supported languages
- MSTeamsSetup (1).exe (PID: 1072)
- Update.exe (PID: 3176)
- MSTeamsSetup.exe (PID: 1828)
- Update.exe (PID: 1236)
Creates files or folders in the user directory
- MSTeamsSetup (1).exe (PID: 1072)
- Update.exe (PID: 3176)
- MSTeamsSetup.exe (PID: 1828)
Executable content was dropped or overwritten
- msedge.exe (PID: 1964)
Reads the computer name
- Update.exe (PID: 3176)
- MSTeamsSetup.exe (PID: 1828)
- Update.exe (PID: 1236)
Reads the machine GUID from the registry
- Update.exe (PID: 3176)
- Update.exe (PID: 1236)
Reads Environment values
- Update.exe (PID: 3176)
- Update.exe (PID: 1236)
Disables trace logs
- Update.exe (PID: 3176)
- Update.exe (PID: 1236)
Reads the software policy settings
- Update.exe (PID: 3176)
- Update.exe (PID: 1236)
Find more information about signature artifacts and mapping to MITRE ATT&CK™ MATRIX at the full report
Total processes
58
Monitored processes
26
Malicious processes
4
Suspicious processes
1
Behavior graph
Click at the process to see the details
Process information
PID | CMD | Path | Indicators | Parent process | |||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 568 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=network.mojom.NetworkService --lang=en-US --service-sandbox-type=none --mojo-platform-channel-handle=1424 --field-trial-handle=1296,i,2391632740633982346,3130975626705186888,131072 --enable-features=msMicrosoftRootStoreUsed /prefetch:3 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | msedge.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 109.0.1518.115 Modules
| |||||||||||||||
| 892 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=renderer --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=2200 --field-trial-handle=1296,i,2391632740633982346,3130975626705186888,131072 --enable-features=msMicrosoftRootStoreUsed /prefetch:1 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Version: 109.0.1518.115 Modules
| |||||||||||||||
| 948 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=renderer --lang=en-US --js-flags=--ms-user-locale= --device-scale-factor=1 --num-raster-threads=2 --enable-main-frame-before-activation --renderer-client-id=12 --mojo-platform-channel-handle=3540 --field-trial-handle=1296,i,2391632740633982346,3130975626705186888,131072 --enable-features=msMicrosoftRootStoreUsed /prefetch:1 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 109.0.1518.115 Modules
| |||||||||||||||
| 1072 | "C:\Users\admin\Downloads\MSTeamsSetup (1).exe" | C:\Users\admin\Downloads\MSTeamsSetup (1).exe | msedge.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Teams Version: 1.7.00.31111 Modules
| |||||||||||||||
| 1180 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --mojo-platform-channel-handle=1396 --field-trial-handle=1296,i,2391632740633982346,3130975626705186888,131072 --enable-features=msMicrosoftRootStoreUsed /prefetch:8 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 109.0.1518.115 Modules
| |||||||||||||||
| 1236 | "C:\Users\admin\AppData\Local\SquirrelTemp\Update.exe" --install . --exeName=MSTeamsSetup.exe --bootstrapperMode | C:\Users\admin\AppData\Local\SquirrelTemp\Update.exe | MSTeamsSetup.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Teams classic Exit code: 4294967295 Version: 3.4.0.0 Modules
| |||||||||||||||
| 1404 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=crashpad-handler "--user-data-dir=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data" /prefetch:7 --monitor-self-annotation=ptype=crashpad-handler "--database=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Crashpad" "--metrics-dir=C:\Users\admin\AppData\Local\Microsoft\Edge\User Data" --annotation=IsOfficialBuild=1 --annotation=channel= --annotation=chromium-version=109.0.5414.149 "--annotation=exe=C:\Program Files\Microsoft\Edge\Application\msedge.exe" --annotation=plat=Win32 "--annotation=prod=Microsoft Edge" --annotation=ver=109.0.1518.115 --initial-client-data=0xc8,0xcc,0xd0,0x9c,0xd8,0x6f57f598,0x6f57f5a8,0x6f57f5b4 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 109.0.1518.115 Modules
| |||||||||||||||
| 1828 | "C:\Users\admin\Downloads\MSTeamsSetup.exe" | C:\Users\admin\Downloads\MSTeamsSetup.exe | msedge.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Teams Exit code: 4294967295 Version: 1.7.00.31111 Modules
| |||||||||||||||
| 1844 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" --type=gpu-process --gpu-preferences=UAAAAAAAAADgAAAYAAAAAAAAAAAAAAAAAABgAAAAAAAwAAAAAAAAAAAAAAAQAAAAAAAAAAAAAAAAAAAAAAAAAEgAAAAAAAAASAAAAAAAAAAYAAAAAgAAABAAAAAAAAAAGAAAAAAAAAAQAAAAAAAAAAAAAAAOAAAAEAAAAAAAAAABAAAADgAAAAgAAAAAAAAACAAAAAAAAAA= --mojo-platform-channel-handle=1212 --field-trial-handle=1296,i,2391632740633982346,3130975626705186888,131072 --enable-features=msMicrosoftRootStoreUsed /prefetch:2 | C:\Program Files\Microsoft\Edge\Application\msedge.exe | — | msedge.exe | |||||||||||
User: admin Company: Microsoft Corporation Integrity Level: LOW Description: Microsoft Edge Exit code: 0 Version: 109.0.1518.115 Modules
| |||||||||||||||
| 1964 | "C:\Program Files\Microsoft\Edge\Application\msedge.exe" "bronxy.cc/sign" | C:\Program Files\Microsoft\Edge\Application\msedge.exe | explorer.exe | ||||||||||||
User: admin Company: Microsoft Corporation Integrity Level: MEDIUM Description: Microsoft Edge Version: 109.0.1518.115 Modules
| |||||||||||||||
Total events
17 008
Read events
16 877
Write events
117
Delete events
14
Modification events
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | failed_count |
Value: 0 | |||
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 2 | |||
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\ThirdParty |
| Operation: | write | Name: | StatusCodes |
Value: | |||
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\ThirdParty |
| Operation: | write | Name: | StatusCodes |
Value: 01000000 | |||
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\BLBeacon |
| Operation: | write | Name: | state |
Value: 1 | |||
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\EdgeUpdate\ClientState\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062} |
| Operation: | write | Name: | dr |
Value: 1 | |||
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge\StabilityMetrics |
| Operation: | write | Name: | user_experience_metrics.stability.exited_cleanly |
Value: 0 | |||
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\LastWasDefault |
| Operation: | write | Name: | S-1-5-21-1302019708-1500728564-335382590-1000 |
Value: B537C95983922F00 | |||
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\EdgeUpdate\ClientStateMedium\{56EB18F8-B008-4CBD-B6D2-8C97FE7E9062}\FirstNotDefault |
| Operation: | delete value | Name: | S-1-5-21-1302019708-1500728564-335382590-1000 |
Value: | |||
| (PID) Process: | (1964) msedge.exe | Key: | HKEY_CURRENT_USER\Software\Microsoft\Edge |
| Operation: | write | Name: | UsageStatsInSample |
Value: 1 | |||
Executable files
8
Suspicious files
59
Text files
33
Unknown types
0
Dropped files
PID | Process | Filename | Type | |
|---|---|---|---|---|
| 1964 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old~RF182872.TMP | — | |
MD5:— | SHA256:— | |||
| 1964 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\commerce_subscription_db\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1964 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RF1828c0.TMP | — | |
MD5:— | SHA256:— | |||
| 1964 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1964 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\EdgePushStorageWithConnectTokenAndKey\LOG.old~RF1828e0.TMP | — | |
MD5:— | SHA256:— | |||
| 1964 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old~RF1829da.TMP | — | |
MD5:— | SHA256:— | |||
| 1964 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\LOG.old | — | |
MD5:— | SHA256:— | |||
| 1404 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\CrashpadMetrics.pma | binary | |
MD5:886E82F2CA62ECCCE64601B30592078A | SHA256:E5E13D53601100FF3D6BB71514CBCCC4C73FE9B7EF5E930100E644187B42948E | |||
| 1964 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Last Version | text | |
MD5:61FE7896F9494DCDF53480A325F4FB85 | SHA256:ACFD3CD36E0DFCF1DCB67C7F31F2A5B9BA0815528A0C604D4330DFAA9E683E51 | |||
| 1964 | msedge.exe | C:\Users\admin\AppData\Local\Microsoft\Edge\User Data\Default\Site Characteristics Database\LOG.old | text | |
MD5:854600D4F59CFA82266195C7F1952717 | SHA256:C7BB73049DC07B9712BAB4C3A8170B186631DD52A2131C0BB1A6AEB699C6B54C | |||
Download PCAP, analyze network streams, HTTP content and a lot more at the full report
HTTP(S) requests
0
TCP/UDP connections
20
DNS requests
21
Threats
4
HTTP requests
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 |
— | — | 224.0.0.252:5355 | — | — | — | whitelisted |
4 | System | 192.168.100.255:138 | — | — | — | whitelisted |
1080 | svchost.exe | 224.0.0.252:5355 | — | — | — | whitelisted |
1964 | msedge.exe | 239.255.255.250:1900 | — | — | — | whitelisted |
568 | msedge.exe | 13.107.42.16:443 | config.edge.skype.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
568 | msedge.exe | 150.171.28.11:443 | edge.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
568 | msedge.exe | 188.114.97.3:443 | bronxy.cc | CLOUDFLARENET | NL | unknown |
568 | msedge.exe | 23.48.23.173:443 | statics.teams.cdn.office.net | Akamai International B.V. | DE | whitelisted |
568 | msedge.exe | 150.171.27.11:443 | edge.microsoft.com | MICROSOFT-CORP-MSN-AS-BLOCK | US | whitelisted |
DNS requests
Domain | IP | Reputation |
|---|---|---|
google.com |
| whitelisted |
config.edge.skype.com |
| whitelisted |
bronxy.cc |
| unknown |
edge.microsoft.com |
| whitelisted |
statics.teams.cdn.office.net |
| whitelisted |
www.bing.com |
| whitelisted |
mobile.pipe.aria.microsoft.com |
| whitelisted |
self.events.data.microsoft.com |
| whitelisted |
Threats
PID | Process | Class | Message |
|---|---|---|---|
568 | msedge.exe | Potentially Bad Traffic | ET DNS Query for .cc TLD |
568 | msedge.exe | Potentially Bad Traffic | ET DNS Query for .cc TLD |
568 | msedge.exe | Potentially Bad Traffic | ET DNS Query for .cc TLD |
568 | msedge.exe | Potentially Bad Traffic | ET DNS Query for .cc TLD |
Process | Message |
|---|---|
Update.exe | Update.exe Information: 0 : |
Update.exe | Starting TelemetryManager constructor
|
Update.exe | Update.exe Information: 0 : |
Update.exe | TelemetryManagerImpl creation started
|
Update.exe | Update.exe Information: 0 : |
Update.exe | Performance counters are disabled. Skipping creation of counters category.
|
Update.exe | RecordBatcherTask with ID 4 started.
|
Update.exe | Update.exe Information: 0 : |
Update.exe | SendTask with ID 5 started
|
Update.exe | SendTask with ID 6 started
|