Analysis Overview
SHA256
75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4
Threat Level: Known bad
The file 75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4.exe was found to be: Known bad.
Malicious Activity Summary
Ramnit
Ramnit family
Executes dropped EXE
Loads dropped DLL
UPX packed file
Drops file in System32 directory
Drops file in Program Files directory
Unsigned PE
Program crash
System Location Discovery: System Language Discovery
Modifies Internet Explorer settings
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-17 18:06
Signatures
UPX packed file
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-17 18:06
Reported
2024-11-17 18:08
Platform
win7-20241023-en
Max time kernel
68s
Max time network
70s
Command Line
Signatures
Ramnit
Ramnit family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32Srv.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:\Windows\SysWOW64\rundll32.exe | N/A |
| N/A | N/A | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rundll32Srv.exe | C:\Windows\SysWOW64\rundll32.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 |
| 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\pxBDA4.tmp | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{AC0756B1-A50E-11EF-9D85-5E63E904F626} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\SearchScopes | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438028659" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | 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:\Windows\SysWOW64\rundll32.exe | N/A |
| 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:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4.dll,#1
C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.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:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2540 CREDAT:275457 /prefetch:2
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 1872 -s 248
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/1872-10-0x0000000010000000-0x000000001004C000-memory.dmp
C:\Program Files (x86)\Microsoft\DesktopLayer.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/2532-23-0x0000000000250000-0x0000000000251000-memory.dmp
memory/2532-21-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2532-25-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1872-15-0x00000000001E0000-0x000000000020E000-memory.dmp
memory/1872-2-0x0000000010000000-0x000000001004C000-memory.dmp
memory/1872-0-0x0000000010000000-0x000000001004C000-memory.dmp
memory/1872-14-0x0000000010000000-0x000000001004C000-memory.dmp
memory/1872-13-0x0000000010009000-0x000000001000A000-memory.dmp
memory/2984-12-0x0000000000230000-0x000000000023F000-memory.dmp
memory/2984-11-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1872-7-0x0000000010000000-0x000000001004C000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabDECD.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\TarDFBB.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 7e02a61b4220bec494c1f2515a7442ab |
| SHA1 | 10b3ea232d19d3283e342a8d6c86f906ae471a81 |
| SHA256 | 90e803f8c792de47bd378eb6ae97e18edd1e42adfecd5deb8fbc6fd79c3ada1e |
| SHA512 | b4314c4a6b3ccea2d88a5b8f71093c118af83487744c028b073864fc29c4224d692b571503558280a1bde2b1e7dd0c8cd9bcce64d110abac96a662c52a58d656 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 7706e548b367f7a873e0637fc86fb1f2 |
| SHA1 | 4a610bf496928f741daa10b9d75c74e0ebe9446d |
| SHA256 | 574acbecfe03df2317fe1565a884cf483dffa762775dc1b175bfe6806271bee2 |
| SHA512 | 337a2095bc8b1dba4c74ceb80a611d09f5eec356fe6983b74786681bea578f28b221ed0ecf216030eece81f79c541abb0be2d4683e5cd77ad553ce37667a92f6 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | ff59285634829f2e45e05aa85fd3b7bb |
| SHA1 | f8b7c99f3f956592fdc9053972bba6a46981ea46 |
| SHA256 | 0507a3c6aa8577048600767b01ad5c8d9cfe73cc02f3e75b74806d1c054f5b62 |
| SHA512 | 26985cf1d1c82ed582300c86099aab14d10b191c6f75b2ad9751f9cd67fa8e60205eae388624f16d96038da5c5bfbb9e3f58a6bf7292c8feb29e45b5adc205ce |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 03ee04e8412800cd95b6fe2e7bc29709 |
| SHA1 | 155e0542b1da3a2f426fe8c72e225c8178af9789 |
| SHA256 | 9acf7fcc9c346808ad31b1645238df4768b0ce3fceb9bf1688d29c88f1708a8f |
| SHA512 | b04d4d206e0198517f68340c3329e10bc9a1b657109ab52fe1491b97ded506f5db4a68acb0c81f781774d522b8d5db47f08b011474108acf12b41bf1877220c1 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 701e4ccfaa6afa6d9cbdc3e31bfb6010 |
| SHA1 | d6da1ee172f173e27242033ee7096fedf0732012 |
| SHA256 | 6d8b52b0a73fb9ba97d9914e5a1ca4182fffd2fff4b0665175361d2b07403367 |
| SHA512 | a8077c84fea75d2533c4013ed1793f15d68081703a1cf4aaec600aa0c8ee930d64fa3a529afd87abd49d1518f36c5bc5ab8cb0f0a1fd33affbfa3dd8382e9698 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 81b9049a2e87f5c78ab1bff50a561a7d |
| SHA1 | ea596b27f8e21d442e1a6cab5132f2443e4c2876 |
| SHA256 | 08d69a89d7032b2e93debd0916d0d4908733795057b302b4bc7384b3a655b3f5 |
| SHA512 | 4ab6092fa2f431748706cb2bf51514d3bf79d891eea855300f0a13fda0929a58de9be4fccc99f23985fb4664966e7d65eefc2e51c634ef255d4b14d38b4bc48e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | be4442a853fd2be21360892b9ff43b71 |
| SHA1 | 3f9188c863c5d6bdaeecbca00511b46dcd5e0910 |
| SHA256 | d2d4f61242a1eaa2a46fd9fa915231787897f57be2dabe8cd78c3b8a56fe67ed |
| SHA512 | bf3544cb0df90b6f08524cfbd6b8019b29914b5b02df614d91aa161696e8cabd31e849059ec7a32a5f074d18e59a110f0c6f179b3eb85065afdb4408e86bc46c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | d0954e65c673d85e54f5bae646c81186 |
| SHA1 | 88d0c353ea3ed163b362d7072fda61e7f6af8209 |
| SHA256 | 59ddb1ffc3615ed0c3e04038ab0921288c6f53a7fbca0a9e840e7f0fa132b695 |
| SHA512 | 16a9f56ddf7c6db49df18bd3abac6b2a0bd9d87e92d67d38b6b7948a20c8c2ec46c991cb4f3caeb4c6e381f4ae31e65b526a12f6c44b497e78d1006eab3791d1 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 2c370f5e4530d8213799c6c33ed78a62 |
| SHA1 | 97391cbfb9fcc219ef6334a80ec9e9d3cd985712 |
| SHA256 | 224051a28c691b121e0dbf8c29ba8a7979dff410f56a995da125931bdd979c76 |
| SHA512 | 359cc262d1cc23cea56747d38a2e2dea1437011feee3e45233dc283604a12383a31ec52c773efffacb7274f8f91adf0308ed609feacd410d468a631461d5ed8c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 61e7163de0eb46374df84a3c18572414 |
| SHA1 | 82a13f100027e3138ae1421b367e73dbc0f1e94f |
| SHA256 | c28029ae239e7977f7d2f0f4b25ed29fd83e6e69c24009882149fc8afedf478b |
| SHA512 | 0791afffcebb0dd9b5921aac477ecbd1147884a3cabd53e0d8ec3945e22ee049a2c9c5f698504807c0977c7a0e69afe62f2203aa0085c6e9ebf2fbe950e13768 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 816a44c571cbabf9138a1eb64d756383 |
| SHA1 | 64e15f530e381946b010fc6e5a8674458add177a |
| SHA256 | afc381056c8786b65c32d2dd6a156a1e875c56bba6fb00d9128a546f7bac9a99 |
| SHA512 | f70701835ca210440718cbdd652d54a43ff966026e502d7bd2011eabff48e93b073210e6cc4f21301b8e6bad072cf0ac9156bf8c431fadc480331ce9eb65d7a7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 79b7a6d44f495e39775a13111beee0e7 |
| SHA1 | fb5ecac4d2b881999ce6e4c8ad2824dfbadaf64f |
| SHA256 | 7e36a48537fb5ba68cb7d1ccdd7ab7b4329eb15022c88192deb29f417bae6697 |
| SHA512 | 1340742dd844d75b9c79cd4ba13e6a585758903b4c4c704731dd0f8aeacc41dd70d4449b7b8476c4e96a73203d1a707a1097896a285db8583fd8b1c2d5d59d1b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | cfe6034f6923365c24a6d30ef5fc6dec |
| SHA1 | 7c527e874eaff7b181b6c3daf40bf673bd13cf81 |
| SHA256 | d6fe7411617f970de9f077441958bc8eb1127292b70370e40f096941e8a2e902 |
| SHA512 | fcc6afcfac222f5a582fe295d5dee4de85128557202d6c4d0fc00e7c807c089217124a8e33e6ef84ce810c551e846d177b00b2ac10c389c19b938ed1dc1a4660 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | be14f6e3d365448bd879b66e747764e7 |
| SHA1 | 837a74c688f74d83356c7823139debe8faa53c50 |
| SHA256 | 77c9d4d4b29d0eab12c5cb552872847fffef1d7226b19d9e05ab1f02e37bfa47 |
| SHA512 | a407e5fa6ed5d39483e99cb645417ff58832644dc78b5b5313741f01e79f8633a1894ec8464b34db50e7c3abb27ec1a62bd964d2d274d4ed05892e81a8081c6e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | bef876c46680bcec0bc2d4879b9cc43a |
| SHA1 | 9406a1e8d1403866db7a6afeccaaebf4f6e2d1ab |
| SHA256 | 716118c62871519361c53b9ca17d7c20518ffc57d6cb7c5bf7b1dab5a29b316b |
| SHA512 | 44d9e45277a04997c808463ac6adf037dee46b04861ce1dd9c54a7c4f30b152be732afaa45e8a504ddcb5797867900f13bb2ffb776a2c9556602abe8d884465c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 4778b71e56242185728a9842ffe99a31 |
| SHA1 | 6b62f587fac1d67ade4d3181f8ebafce754de93a |
| SHA256 | c39a8df1373d65f02d071c0dd0fb68f4bfee1315f36551c7a00bd67f4d92fc1e |
| SHA512 | 2a340c2b836463636e5be6d3f47347276e026e952454762ef42c83c114ee2dfebdcc5c35b515feb7858cf9cf9dd6b3177b8dd9124d9ad94283edfd7319e47eb2 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 707d37669f3e966fe360a67aa81d0737 |
| SHA1 | 11e685db5c08a31427f1603cf8e877305ab662ee |
| SHA256 | e0448d5b9e356536703114880180c5ceb3dab7ae048ead0e1afda8b0b9f371df |
| SHA512 | ebc13a3914ff69d6449d0c67aefe9d4f690589eda3ea87f42844c2f06098601f91b9229e5453fdd7dd5b683e50b542617dc640f9c26906a208e8ca89b3ff17dc |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | b1baab4eca76f993633e38998de24831 |
| SHA1 | 77d976fb44912e10f8ec14f6d6f89a6757435412 |
| SHA256 | 29299dede67704cbb6a29cbece3b7a3150eccfe56a60bbccda0fb385efef9925 |
| SHA512 | 12c78c0fac7088ea5c818ec6468e3cef14a4160244e5064fa269142a3cd5cc31bf00fc7b6e33506ba999b066517d62c3edb4ee2d327bbfc2a39ff04452db8eee |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-17 18:06
Reported
2024-11-17 18:08
Platform
win10v2004-20241007-en
Max time kernel
92s
Max time network
112s
Command Line
Signatures
Ramnit
Ramnit family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
Drops file in System32 directory
| Description | Indicator | Process | Target |
| File created | C:\Windows\SysWOW64\rundll32Srv.exe | C:\Windows\SysWOW64\rundll32.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 |
| 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\px614A.tmp | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
Program crash
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Windows\SysWOW64\WerFault.exe | C:\Windows\SysWOW64\rundll32.exe |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32Srv.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\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 |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2158416942" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2161541389" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2158416942" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144219" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{ABFCE7AD-A50E-11EF-BEF1-F6235BFAC6D3} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144219" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438631765" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144219" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144219" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3756129449-3121373848-4276368241-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2161541389" | 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:\Windows\SysWOW64\rundll32.exe | N/A |
| 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:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\75fd4cbb5b6de86d6da35a7bd8b243e06bd93116936d63917ff046434ffaf0b4.dll,#1
C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.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:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3976 CREDAT:17410 /prefetch:2
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 2016 -ip 2016
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2016 -s 652
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 8.8.8.8:53 | 8.8.8.8.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 104.219.191.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 83.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 97.17.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.19.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 134.130.81.91.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 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/2016-0-0x0000000010000000-0x000000001004C000-memory.dmp
C:\Windows\SysWOW64\rundll32Srv.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/2016-7-0x0000000010009000-0x000000001000A000-memory.dmp
memory/924-6-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2016-8-0x0000000010000000-0x000000001004C000-memory.dmp
memory/924-12-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3980-18-0x0000000001F00000-0x0000000001F0F000-memory.dmp
memory/3980-17-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2016-15-0x0000000010000000-0x000000001004C000-memory.dmp
memory/3980-14-0x0000000001F10000-0x0000000001F11000-memory.dmp
memory/3980-20-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3980-16-0x0000000077CB2000-0x0000000077CB3000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | 67b3270e9ee2455fec6e20353842018a |
| SHA1 | afb768285ecc4fad9cb171c6ec0247e54a645746 |
| SHA256 | a0e3067884f99355e97dd1979abe971940e233b6d8426ca2f9caedc7f5b25456 |
| SHA512 | 605ae45158f81452bfe383b3a8ec2407ce9c1bcd0d5b1372d13c870569105c764b89abf0a184fa3779770dba24e69b503ba7825026fcfd24fda06cce3ac9f3c5 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | 6de080dff990ab956f95c555b9098610 |
| SHA1 | a604fa436402f8b7d907df6c4ab360d623692f11 |
| SHA256 | 3ecdeed79d08f10949eafd93f2facd483c06bfa7ea2e92119b0c55b3d7cc7a8c |
| SHA512 | 04bb7e7bd73c8f90bbfd01d47bebc361a58a7f81cb8da765cedbf69ea7e3af9b5b5f54a7c11a59dc09534584cd8e60470b57377c30acf192cab0a7e2000bc391 |
C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\VersionManager\verDAFE.tmp
| MD5 | 1a545d0052b581fbb2ab4c52133846bc |
| SHA1 | 62f3266a9b9925cd6d98658b92adec673cbe3dd3 |
| SHA256 | 557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1 |
| SHA512 | bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0GUUC90F\suggestions[1].en-US
| MD5 | 5a34cb996293fde2cb7a4ac89587393a |
| SHA1 | 3c96c993500690d1a77873cd62bc639b3a10653f |
| SHA256 | c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad |
| SHA512 | e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee |