Analysis Overview
SHA256
d1ae2bf536d98cd937e819a098bb6eb7ba2af009dd5724563a6c03233e22885e
Threat Level: Known bad
The file 2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnit was found to be: Known bad.
Malicious Activity Summary
Ramnit
UPX dump on OEP (original entry point)
Executes dropped EXE
Loads dropped DLL
UPX packed file
Drops file in Program Files directory
Program crash
Unsigned PE
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-03-30 00:28
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-03-30 00:28
Reported
2024-03-30 00:31
Platform
win7-20240221-en
Max time kernel
122s
Max time network
131s
Command Line
Signatures
Ramnit
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
Loads dropped DLL
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnit.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Microsoft\px4B43.tmp | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnit.exe |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "417920383" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{71829111-EE2C-11EE-ACBC-CAFA5A0A62FD} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\SearchScopes | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-406356229-2805545415-1236085040-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnit.exe"
C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2356 -s 188
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2624 CREDAT:275457 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
Files
memory/2356-0-0x0000000001130000-0x0000000001173000-memory.dmp
\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/2096-12-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2356-5-0x00000000000E0000-0x000000000010E000-memory.dmp
memory/3036-15-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2096-14-0x00000000003C0000-0x00000000003CF000-memory.dmp
memory/3036-20-0x0000000077C2F000-0x0000000077C30000-memory.dmp
memory/3036-18-0x0000000000240000-0x0000000000241000-memory.dmp
memory/3036-19-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2356-16-0x0000000000080000-0x0000000000081000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab61F1.tmp
| MD5 | ac05d27423a85adc1622c714f2cb6184 |
| SHA1 | b0fe2b1abddb97837ea0195be70ab2ff14d43198 |
| SHA256 | c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d |
| SHA512 | 6d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d |
C:\Users\Admin\AppData\Local\Temp\Cab62BE.tmp
| MD5 | 29f65ba8e88c063813cc50a4ea544e93 |
| SHA1 | 05a7040d5c127e68c25d81cc51271ffb8bef3568 |
| SHA256 | 1ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184 |
| SHA512 | e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa |
C:\Users\Admin\AppData\Local\Temp\Tar62D2.tmp
| MD5 | 435a9ac180383f9fa094131b173a2f7b |
| SHA1 | 76944ea657a9db94f9a4bef38f88c46ed4166983 |
| SHA256 | 67dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34 |
| SHA512 | 1a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6833edd309ffb29474acef998fc95064 |
| SHA1 | 47ec918332e79358758ee179f5a1641d73765b58 |
| SHA256 | 8db87ecf929e1f590e1d591a89214aa90ef42c1747008f43bfd45f3c9bffa097 |
| SHA512 | 6744c61e26cc2239d46f538c03a4d01e3a275ede9a7edca657e776560a153757e0c17a3d6af648887ca033bf8026dd88ce5784257ebfbfc2810651bb69818635 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | d202b3fcab2271cb345dff2f5da3cadd |
| SHA1 | 7239077e87ba4788cefa965286d8d6d316429414 |
| SHA256 | c6060ffd7bda3f3757523da0fddf1b5da63c40627e2d170562b27a2b095288f5 |
| SHA512 | d1c23eb3534552cde94756e05b11c76e716b59cf2c73cb058979d7207ff20294c504a04a99d9452d2dda0fdc4c9cef7ed234ec48638c7ad1f02453f95b5f560a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 772fc4f32e41f53e064bd3b80a708459 |
| SHA1 | b691c4c3b8740480c637af6002353b61cf41d812 |
| SHA256 | 9895d10097357b50493f865e96468a9a6ef9626ea18d3fb872627042afcb5b31 |
| SHA512 | b768ef6da86f7c7ea77c24433f4f59b8a9a7426aef26b131622d63a419d2219facbac4c3c4447080c6c510ba1284fbe20527c02d8dfdeaa7ea56b9aead4be8ef |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e005ccec425d8b212ba56245548bef51 |
| SHA1 | 0cfced8c4eadec314ca40dc32bf170092a5a329c |
| SHA256 | 011f5bba120b4a8168797a0a3d3a0933f13bf7e7f22fe29736d53f4754e422be |
| SHA512 | 1a3bcb24b3f937fefe30b69193b46ccf7086828be53fd0e72b35761823dccc7cdb9cf23f607e5f8c8cb09195a11cd9d0211d93fe5d9d8682a28f7084fe766474 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | ecd8472c51bd65c1c130f8a388bd0a96 |
| SHA1 | 77d298c0dedb8db42f1491b2be012402826df208 |
| SHA256 | 7e1c3a3de82310f4466be7c329c27fe0872035e623ea9848c81b261ce060e5d5 |
| SHA512 | 9dca140f54cb6a2ff056e60aa7cbf9fc95abf7f56d4b29914c0c52cc3bdee6156cedaebac403b64d7e1d12c839c48c470280476ff71e035437c9ebd0ed7dbc57 |
memory/2356-496-0x0000000001130000-0x0000000001173000-memory.dmp
memory/2356-497-0x00000000000E0000-0x000000000010E000-memory.dmp
memory/2096-498-0x00000000003C0000-0x00000000003CF000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 03f8349f0f6ef490a8e82db44d8bd7c7 |
| SHA1 | 20ed3cce67b193054272e8c535e76b83ae980b9b |
| SHA256 | 9ffe0e33fb2cdbc5db5388ae2383cd492d3d772ca36aa46379e874b3d41af315 |
| SHA512 | af87c75485f4677a79d2028f432423430203cfd850169e6f1be63ec1afa3095d007fec6153009f4211c75b639469e0b552324a60f1da9b6812bc12f9952bef0f |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | c07cb75d5bfa87dce672a34b625fcc54 |
| SHA1 | d91539a4d4470b633c18cbe73e00b84a42914870 |
| SHA256 | a66423760279110685c2db7ff57db2f37f855feefa9bc8dec7a478abf75e5179 |
| SHA512 | e4a2fbe10abd4723fbbe34c92df5d19ac143d6fadf6559db38cc1e82ccc163e6a92945814a72e131071a2a732335d5fd8fb7e2c9069a4105738dfef940c53614 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 73084660c553e96f1ec36068f7dcc5c8 |
| SHA1 | 2da5be67b51e2c740ec454b1a990b2906f97d454 |
| SHA256 | bb904303cbc660c4868889533e110cfa31e6f00d4d8fec5f73e41d5c5c938fa7 |
| SHA512 | 54c944df134608df83b23dc96fedf932e3032db246b55a9a088c68caa0a73cdedbb976ebc6e97a8045606eb2f35ca748decc756c98308cdf642f41e597fc3729 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 3d7365b2bcdf41d19c26a0cc524fc101 |
| SHA1 | 8b530e5b018db3412e6df799cb24d2abbab101d8 |
| SHA256 | e8c781106ad797c4de1c7f899f519ff003576dea0434ee30cc90a759e6513074 |
| SHA512 | 71fa70ef59eaedfd669247645879c48923a43ffe39b907b7a4739d6f316c9f18d8a75f3bb71346998e91e3a8fc3ca1dd4d4dd59df442141a8afb251dbfa03cc8 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 835939648508a16f9bcdefd61bd1c33e |
| SHA1 | a924f8927025731ab70cb094265a6876da664ce7 |
| SHA256 | adbf403f1d60249e84657b15c394a7a1eb0f067cb5d1da8cd73742dc6b9ac39b |
| SHA512 | b80bcb8cdc5b5be6412b5d584c25aee06cb84fdea3de491737e1a85c031b90629fd9a7f6c41c891a6890868ca5dc4c4ec187af173f1862090d6dc97be98be760 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | bc4b99c5db0be56e15c33e42a1ebedc7 |
| SHA1 | cb5f0c082afea55a53d2f802c08bfc163bb2bc3b |
| SHA256 | 0dfaa6563b5ee42e45c0c44be6db16d491b5f32f6a5c55f15884be400cd5218a |
| SHA512 | 71eca0a6e400716bfc186d92b788e78166e668b16164b6c8304b6032310228473c355895162883fd4499924d1e6b7b21224738017cb347b88c64f537a59e8297 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | aacc5a5b28684737d5d1bfbba8d045f2 |
| SHA1 | 5990e64ca0bb64c3649591afb885bd05d04b564b |
| SHA256 | 10f30a08da2cdcc655a1e5baf9f88da4c313e0db6347febb97666ec7aefaa1d6 |
| SHA512 | beb42c248a577b80d51520ca899bae0e7fffb5cb8a63bec329f389d5cadde0a44ec7864c09894d850c135fa1164595615b1ef452d6e565a4835cd614de92b1b1 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | fc062a7544e0f10581dd8f00ee44696e |
| SHA1 | ebfd945607e5fde042bd62557c38d7891619b1f4 |
| SHA256 | f57b35a01cafc42bf3ba96310e6d8a5290cf9b6ad0e23b50be235437158a313b |
| SHA512 | 8cbe4cc3deb3526a7aa6563029cc6bca389e41249c439ff8ca6433eff1765d180cf80d3144447c46813ca9a7cac1a0d69fca7745e4c58244d9924c6af8581299 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 1d17ff2120582ef9b44e55d67227aa20 |
| SHA1 | fe0e7a6de37b0b573c9f0597304864d8f94a375a |
| SHA256 | f5b7ff09bbeb9dfd4027d6c60f30d7c3412463eeaa2527b647ae583237d9fdb8 |
| SHA512 | cc6712d85caae6ccfea2d9b26926e99c36a0e6558bb6f4c00136bca9baa4f4bd80131ef5d199f4d57a8c9e1e44b7c4799efa7432c412ac7068ca9795451bef7c |
Analysis: behavioral2
Detonation Overview
Submitted
2024-03-30 00:28
Reported
2024-03-30 00:31
Platform
win10v2004-20240226-en
Max time kernel
115s
Max time network
147s
Command Line
Signatures
Ramnit
UPX dump on OEP (original entry point)
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
| N/A | N/A | N/A | N/A |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Microsoft\px705D.tmp | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnit.exe |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31097401" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1194258671" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31097401" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1277539129" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "418523498" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "1194258671" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{72AD8A3C-EE2C-11EE-9846-628714877227} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31097401" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1904519900-954640453-4250331663-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnit.exe"
C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe
C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"
C:\Program Files\Internet Explorer\iexplore.exe
"C:\Program Files\Internet Explorer\iexplore.exe"
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 448 -p 4912 -ip 4912
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3944 CREDAT:17410 /prefetch:2
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 4912 -s 496
C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
"C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4372 --field-trial-handle=3488,i,1267426273081718772,6254127258555406296,262144 --variations-seed-version /prefetch:8
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 133.211.185.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 219.135.221.88.in-addr.arpa | udp |
| NL | 52.142.223.178:80 | tcp | |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 8.8.8.8:53 | 68.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 13.227.111.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 103.169.127.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 206.23.85.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.19.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 35.34.16.2.in-addr.arpa | udp |
| US | 204.79.197.200:443 | ieonline.microsoft.com | tcp |
| US | 8.8.8.8:53 | 200.197.79.204.in-addr.arpa | udp |
Files
memory/4912-0-0x0000000000D10000-0x0000000000D53000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\2024-03-30_4ac5f59bf52689d7e4049c58976073c0_mafia_ramnitSrv.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/432-4-0x0000000000400000-0x000000000042E000-memory.dmp
memory/432-7-0x0000000000590000-0x000000000059F000-memory.dmp
memory/432-9-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3488-14-0x0000000000570000-0x0000000000571000-memory.dmp
memory/3488-15-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3488-16-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3488-18-0x0000000077202000-0x0000000077203000-memory.dmp
memory/4912-12-0x0000000002E40000-0x0000000002E41000-memory.dmp
memory/4912-19-0x0000000000D10000-0x0000000000D53000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | 83b49b2e7134c3062b8085920426bfb3 |
| SHA1 | b4cf85a34739004f8c250efa1c3b021c19830c85 |
| SHA256 | 1cd035d5b63a191de0e8853548025d785dcd928e3049dec5642009391f5befcc |
| SHA512 | a7d8db600b83ae679a8b03a677259b5746d883bfd131f09859447c0400835536297b3ed6419a44e961aff996dc5536b55d340399ebacca3be3ba4b8b19781d4e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | 3c2d836f3b970ffd159449e622defacf |
| SHA1 | d9e8ef57535a08a3d7216af00444577b997090f7 |
| SHA256 | b79407a74548fd3906d927d6b62916c0e742efe456d9c5555e86d8f4a20af829 |
| SHA512 | 1613464ee51104679d0c1d6135e40efeca8c5765eda05625dada76d1b7c5b1481113ad9ef998aeab5611a3b8ff55c87fd3ffae74319acab25e468c01057a6fdf |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\CCR56MZ5\suggestions[1].en-US
| MD5 | 5a34cb996293fde2cb7a4ac89587393a |
| SHA1 | 3c96c993500690d1a77873cd62bc639b3a10653f |
| SHA256 | c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad |
| SHA512 | e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee |