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- [[ https://cdn.discordapp[.]com/attachments/588286158258307072/610861960275427372/server.jpg.exe ]]
- Defense Evasion
- Discovery
- Executes dropped EXE
- server.jpg.exe
- server.jpg.exe
- server.jpg.exe
- Drops file in system dir
- DllHost.exe
- Reported IOC
- DllHost.exe
- C:\Windows\SysWOW64\GDIPFONTCACHEV1.DAT File opened for modification
- Suspicious use of AdjustPrivilegeToken
- server.jpg.exe
- Reported IOC
- server.jpg.exe
- Token: SeDebugPrivilege
- Modifies Internet Explorer settings
- iexplore.exe
- IEXPLORE.EXE
- Matched TTPs
- Modify Registry
- Reported IOC
- iexplore.exe
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" Set value (int)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{6F85D4E1-0B6D-11EA-9335-F69B66539C0F} = "0" Set value (int)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" Set value (str)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" Set value (str)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 Set value (data)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" Set value (int)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\PhishingFilter\ClientSupported_MigrationTime = b0723a3e7a9fd501 Set value (data)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" Set value (int)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009aa4f4faf1a8e341b8de4356d522d0ee00000000020000000000106600000001000020000000c991f2185dda57fd4a76d5c785c3a9e596bda73dcc9424d2dbf0b395762dc009000000000e800000000200002000000077acd5d95ee23ed6ab5f31f40e0593fe93e7ef7f8105181df0bb70d5686ea52820000000b53713777db1dd04cb7027e7903e92fe8da4ce744b069b433ab1314dadb64bb640000000fbbd2725def4a781c94148b8c33e3acaa0bd85f8211bcf6b5363024d902b70416d2e391f883451f1d084d2413e44f021e8c0ce6cbe02747af87eb06acc43c42c Set value (data)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 604133497a9fd501 Set value (data)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000009aa4f4faf1a8e341b8de4356d522d0ee00000000020000000000106600000001000020000000706cab7bdf67f7f4f3cb9eae672207e042d8b723c3a6a58bf4f3c0540489fd80000000000e8000000002000020000000b66f82c6c15a6d76afe2b47257d0e5bb085834789ef9b3a5487e6561392595cf900000001b4a9babcaba3163033c29ecb539e2287ff318f049e4e294a9c816917e728230ed7fb730552134fbc16501a8b38042c828eb6352175b98cd8ca0568a1e1d88b8eb64cb5c3ba36b9469d4b1df333627bb3b8ca64c7ee5f5f66d0fefecf25e9434d02b8d6aca13b05d897e4dce44823a33c9f8e198d8c90e88a93335883832fe5079d46475d7ec11c0d3ea5db8591cc71340000000ea58ef9840502b10679da10397dc80877a42be5d81deefdd7c9799955bffe89a0c300962dfd7fa9071081f2df9c59ef7abd8fe5faa1887d148151a5e2b8a37bf Set value (data)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" Set value (str)
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "281002501" Set value (int)
- Reported IOC
- IEXPLORE.EXE
- \REGISTRY\USER\S-1-5-21-1774239815-1814403401-2200974991-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" Set value (str)
- Suspicious use of FindShellTrayWindow
- iexplore.exe
- DllHost.exe
- Uses Volume Shadow Copy WMI provider
- iexplore.exe
- Reported IOC
- iexplore.exe
- \Registry\Machine\Software\Classes\CLSID\{890CB943-D715-401B-98B1-CF82DCF36D7C}\Implemented Categories\{56FFCC30-D398-11D0-B2AE-00A0C908FA49} Key opened
- Uses Volume Shadow Copy Service COM API
- iexplore.exe
- Reported IOC
- iexplore.exe
- \Registry\Machine\Software\Classes\CLSID\{E579AB5F-1CC4-44b4-BED9-DE0991FF0623}\Implemented Categories\{56FFCC30-D398-11D0-B2AE-00A0C908FA49} Key opened
- Suspicious use of WriteProcessMemory
- iexplore.exe
- server.jpg.exe
- server.jpg.exe
- Reported IOC
- iexplore.exe
- PID 876 wrote to memory of 1840
- PID 876 wrote to memory of 1284
- Reported IOC
- server.jpg.exe
- PID 1284 wrote to memory of 1188
- Reported IOC
- server.jpg.exe
- PID 1188 wrote to memory of 2240
- Suspicious use of SetWindowsHookEx
- iexplore.exe
- IEXPLORE.EXE
- Modifies system certificate store
- IEXPLORE.EXE
- Matched TTPs
- Install Root Certificate
- Modify Registry
- Reported IOC
- IEXPLORE.EXE
- \REGISTRY\MACHINE\SOFTWARE\Microsoft\SystemCertificates\AuthRoot\Certificates\02FAF3E291435468607857694DF5E45B68851868\Blob = 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 Set value (data)
- Uses Task Scheduler COM API
- iexplore.exe
- Matched TTPs
- Query Registry
- Reported IOC
- iexplore.exe
- \Registry\Machine\Software\Classes\CLSID\{0f87369f-a4e5-4cfc-bd3e-73e6154572dd}\Implemented Categories\{56FFCC30-D398-11D0-B2AE-00A0C908FA49} Key opened
- Suspicious behavior: EnumeratesProcesses
- server.jpg.exe
- C:\Program Files\Internet Explorer\iexplore.exe
- "C:\Program Files\Internet Explorer\iexplore.exe" https://cdn.discordapp.com/attachments/588286158258307072/610861960275427372/server.jpg.exe
- PID: 876
- C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\N88JCJXC\server.jpg.exe
- "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\N88JCJXC\server.jpg.exe"
- PID: 1284
- C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\N88JCJXC\server.jpg.exe
- "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\N88JCJXC\server.jpg.exe"
- PID: 1188
- C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\N88JCJXC\server.jpg.exe
- "C:\Users\Admin\AppData\Local\Microsoft\Windows\Temporary Internet Files\Content.IE5\N88JCJXC\server.jpg.exe"
- PID: 2240
- C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
- "C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:876 CREDAT:275457 /prefetch:2
- PID: 1840
- DllHost.exe
- C:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}
- PID: 2268
- 5.76.196.255:96
- server.jpg.exe
- GET
- 200
- 80.239.205.41:80
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/02FAF3E291435468607857694DF5E45B68851868.crt
- 162.159.130.233:443
- cdn.discordapp.com
- 204.79.197.200:443
- ieonline.microsoft.com
- GET
- 200
- 151.139.128.14:80
- http://ocsp.comodoca4.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrJdiQ%2Ficg9B19asFe73bPYs%2BreAQUdXGnGUgZvJ2d6kFH35TESHeZ03kCEFslzmkHxCZVZtM5DJmpVK0%3D
- 162.159.130.233:443
- cdn.discordapp.com
- IEXPLORE.EXE
- GET
- 200
- 151.139.128.14:80
- http://ocsp.comodoca4.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTrJdiQ%2Ficg9B19asFe73bPYs%2BreAQUdXGnGUgZvJ2d6kFH35TESHeZ03kCEFslzmkHxCZVZtM5DJmpVK0%3D
- 5.76.196.255:96
- server.jpg.exe
- 5.76.196.255:96
- server.jpg.exe
- 162.159.130.233:443
- cdn.discordapp.com
- IEXPLORE.EXE
- GET
- 200
- 72.21.91.29:80
- http://crl.verisign.com/pca3.crl
- GET
- 304
- 93.184.220.29:80
- http://ocsp.digicert.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBTBL0V27RVZ7LBduom%2FnYB45SPUEwQU5Z1ZMIJHWMys%2BghUNoZ7OrUETfACEA8sEMlbBsCTf7jUSfg%2BhWk%3D
- iexplore.exe
- Bytes Sent: 1.1kB Bytes Received: 2.6kB Packets Sent: 7 Packets Received: 5
- HTTP Request
- Cache-Control: max-age = 150794
- Connection: Keep-Alive
- Accept: */*
- If-Modified-Since: Fri, 18 Oct 2019 05:01:50 GMT
- If-None-Match: "5da9473e-5e3"
- User-Agent: Microsoft-CryptoAPI/6.1
- HTTP Response
- Server: ECS (amb/6BA2)
- Content-Type: application/ocsp-response
- Last-Modified: Wed, 20 Nov 2019 06:00:46 GMT
- Date: Wed, 20 Nov 2019 07:13:14 GMT
- Etag: "5dd4d68e-5e3"
- Expires: Fri, 22 Nov 2019 06:58:41 GMT
- X-Cache: HIT
- Content-Length: 1507
- Accept-Ranges: bytes
- Cache-Control: max-age=171927
- HTTP Request
- Accept: */*
- If-Modified-Since: Wed, 20 Nov 2019 06:00:46 GMT
- If-None-Match: "5dd4d68e-5e3"
- User-Agent: Microsoft-CryptoAPI/6.1
- Cache-Control: max-age = 171927
- Connection: Keep-Alive
- HTTP Response
- Cache-Control: max-age=171927
- Date: Wed, 20 Nov 2019 07:13:14 GMT
- Etag: "5dd4d68e-5e3"
- Expires: Fri, 22 Nov 2019 06:58:41 GMT
- Last-Modified: Wed, 20 Nov 2019 06:00:46 GMT
- Server: ECS (amb/6BA2)
- X-Cache: HIT
- Accept-Ranges: bytes
- 162.159.130.233:443
- cdn.discordapp.com
- 204.79.197.200:443
- ieonline.microsoft.com
- GET
- 200
- 13.107.4.50:80
- http://www.download.windowsupdate.com/msdownload/update/v3/static/trustedr/en/02FAF3E291435468607857694DF5E45B68851868.crt
- 5.76.196.255:96
- server.jpg.exe
- GET
- 200
- 151.139.128.14:80
- http://ocsp.trust-provider.com/MFEwTzBNMEswSTAJBgUrDgMCGgUABBR8sWZUnKvbRO5iJhat9GV793rVlAQUrb2YejS0Jvf6xCZU7wO94CTLVBoCEENSAj%2F6qJAfE5%2Fj9OXBRE4%3D
- 162.159.130.233:443
- cdn.discordapp.com
- 162.159.130.233:443
- cdn.discordapp.com
- 5.76.196.255:96
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