Analysis Overview
SHA256
39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3
Threat Level: Known bad
The file 39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3 was found to be: Known bad.
Malicious Activity Summary
Ramnit
Ramnit family
Executes dropped EXE
Loads dropped DLL
Writes to the Master Boot Record (MBR)
UPX packed file
Drops file in Program Files directory
Unsigned PE
System Location Discovery: System Language Discovery
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious behavior: EnumeratesProcesses
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-17 04:13
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-17 04:13
Reported
2024-11-17 04:15
Platform
win7-20241023-en
Max time kernel
119s
Max time network
129s
Command Line
Signatures
Ramnit
Ramnit family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.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\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3.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 |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\pxB951.tmp | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.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 |
| 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\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 = "1" | 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\LowRegistry\DontShowMeThisDialogAgain | 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\{419A5941-A49A-11EF-AE37-6A7FEBC734DB} = "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\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\Zoom | 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 |
| 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 |
| 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 |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1163522206-1469769407-485553996-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "437978658" | 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 |
| 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\PageSetup | 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\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\SearchScopes\DownloadRetries = "2" | 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\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\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\SearchScopes | 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 (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 |
| 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\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\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\AdminActive | 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 |
| 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\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3.exe
"C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3.exe"
C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe
C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.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:2356 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/2556-0-0x0000000000400000-0x000000000041E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/280-10-0x0000000000230000-0x000000000023F000-memory.dmp
memory/280-9-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2556-8-0x0000000000260000-0x000000000028E000-memory.dmp
memory/1952-20-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1952-18-0x0000000000240000-0x0000000000241000-memory.dmp
memory/1952-17-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2556-21-0x0000000000400000-0x000000000041E000-memory.dmp
memory/2556-22-0x0000000000260000-0x000000000028E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabD9AF.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\TarDA7D.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 5612134c33e71d3ba6f955f98386f16b |
| SHA1 | 8334113d20ebffc4c4c03ab752b86c5c07ac2cfb |
| SHA256 | 10b5900372d40c6fb6cdae31467db20c8d521be62ccbfb3fd6f4d004c1a04b06 |
| SHA512 | d8f406499c1ec24ed895b0ecde1cffdbeebf8648f4d1985d4eec8ef474ff151db06fa7a860ec8860d48d564bc2917a3d7784efb5e61f391faaaa83eb57eb2b56 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 7bde3231629ca6b7d36f74866d4be5b8 |
| SHA1 | cf4d3398b189fd998ce6ab67899d2b9904415445 |
| SHA256 | bc9d3a49b5d36cc301a8a72a5e22009dac1adc43e2504c4501c277c8cb0d2cd8 |
| SHA512 | d1c328957c4600190935095ad34016685307e88a9f021854d4c1a2a0cfe28e8385473919cafe530d4d56a23be29f825084c3b96b8296d89d77feeb5f1df5000b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6dfd6dbec36681aaab2a04db39d6e269 |
| SHA1 | b06fab41aed84df406ebec89bb9fa0f386a8c8e8 |
| SHA256 | 30c48522aa79714f1ced01e6f8ebd4cb9a3989f475c429650905ec5847509aa6 |
| SHA512 | cfa08c4545150f8116f08527bbd009563522ab736992de528205429d4596fe2870e860efc3a254e45a3ea26a01694782791f8201561198363ab2f5634144102d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 5dbf0207897249d18102a7f77d89a088 |
| SHA1 | 56897b8d8ab4386271b764f4c7c98ec23fd11674 |
| SHA256 | 1c5abf8063ff21dbd304ebf22811d2e762d64bd3d851d65c2f99cbebd969847a |
| SHA512 | 44e9c99d9a3d89d6e9305658533a1e610fee6234c0c53625a9c88e0aaf2988d94c2da76f7c7c2e3f4db5d76cb00f395a04f02149f25007924f7d891789b00ef5 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | ae4227cae79750fac155ca9f5bb3a45b |
| SHA1 | 3e39b673c8143b5af46d7c2fc441ea86af9d8d0b |
| SHA256 | 4a557a0a8bf1f878dbb0e196bb8bd27febc37bb227d6e5f846884663648fbab6 |
| SHA512 | cf4b9c70c935094a504ca20e7585f31d49c51dd9fff97b701ba84f767b559b194b1d738ab52dce2bf4c834db56814c490dce1c14ac7a5da8f08fad86910a7aa8 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 37bdcb68fb19c99fffba5b4c40b72595 |
| SHA1 | c81b14eedfde08ae9b247cf44a5e46e3d2b8e388 |
| SHA256 | 9087df44f19b18813a88995007dfe71e01b67be8313e6b3fbf5f400fcd2335f4 |
| SHA512 | 51142c23ec32f20d84a1cb175f3327e3ddcf0031918ac955dbbc32ef29fa5eee8dd2b675fecaa925716e000b55f68ab23e0f0a6b8f1514088fa821a814026eb7 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 36dd21b858f3bede0a079b38e3597c72 |
| SHA1 | 7a5d009fc2329206126caef4747eb7ff4fd9231c |
| SHA256 | a873f634c56b2610129ff0792bc7a1e8dca1343632f54ec5a820ee07293ac607 |
| SHA512 | e7f8c6c6b56bc4b69af0d07b5c5cb0f21c9c657d679fecceb5f20a56aa779b8bd8b1fbb6b701fad004beadb10a26e5ebc60374335e60c5f5ab49cfeccdd15a42 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 151cb1ff63bba61c8b0f330948295a46 |
| SHA1 | cc312bfbbf1e0a0182dbbdc91cc96dc181f47ffc |
| SHA256 | 8d6f245b3bb734defac8095bd09acca78850999df1edb262cd629b3b83f8222b |
| SHA512 | b7bb6b694f79a241859e0e66617716e44d97489b8bda09b21d30befd84b65452d2d6a973e6983fe6302128b0e79824b42373f7bfdab3c2831ad80136115c4230 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | c571e47f92745a0c98852639671c267c |
| SHA1 | e071fb3b5d468a8e48fcf37b29c60bf2564329b7 |
| SHA256 | 284fb0c4cacb6ca8b2ff951ad878dee8b9e4404e4e8e27c40463fba556b3fbc2 |
| SHA512 | 85bca32f502ec022ffc5089aaf2224acf4b6deddb2ee25c81fd99c2d99d66548fc8a09422a7ed0b95894ab817b61343aec3d9c5eb8be6debae8d7c1a875cf10f |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 74df43f020509dee721a70c2ca7d7153 |
| SHA1 | 1ed6e4aad38342319633a0cb8143ec0ac5e3bda6 |
| SHA256 | e523e133dada2d66491c17a279457e2bdf9202e71fc323d91eb66fdcb9b012ae |
| SHA512 | e41a2b3a5d5c740c4d3355c8bcf8cc86b74eb67bd0371baa8e5c58638954f84885a1b8c8895ae416a6df685decaf8fe5e7eb563329288879a7ffb06556c529d9 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 218bfc32220b224a5f3a60fda012ce13 |
| SHA1 | d8ebdda7d864a86a114c3380d69fd2a487b9cbdb |
| SHA256 | 2985edc31a776d14d73d0d2fcbf47d095cccc694075e5ae65e84a9f805dde2dd |
| SHA512 | b4f5485eb6815272258f981e9c8a0e6983f623eeb56d92cc74f845940c82cdf1f5865acbd0e357a94b7095f82931b262e5bf8023ee98b7d1a357d4fe269f61c6 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 9fea27a410552aa07a24a3688d80fa33 |
| SHA1 | b3286dff85224e4c6d8e477a04d8a5bce90b1575 |
| SHA256 | 5c389300e3b59f244f7017292f64fdc9c1824dde6111346d6d214807492b7ff7 |
| SHA512 | 6908e9afd08778129c2a4e7b07e8ba46dd18ce3e425327ecf3d8d511eb8dec886a89dfbaeebe06655d8a0ff9496b435489f7dfee926b4f2bf1a906c843ed6cac |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | a37684026243a6a89455518d2a431981 |
| SHA1 | 2328d9b7bb6cbe33e7db2df4d0d36f7576cd7a01 |
| SHA256 | 7373a019237cae0ff8e4c7c72006648ab81b6b3bed53b5635c4bf904173ef744 |
| SHA512 | 8dc2d5cd36d4213275c1928acb9e9f3611c7a163a06a2ade9ba28437263be3a67f1f8056c386ff1eb21ec1ef91b0f2dbef0cdc43bf37d84407572a54a6ca7128 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 1ddc98203a46b05a205df8feb5e4ae2e |
| SHA1 | 60e761424339366b7df5bbf160b0dabeb1f1899c |
| SHA256 | c6ffb4b6c2f9627e2c69f90b5118bf37740f565517803a8a47f0b17cbd380379 |
| SHA512 | d215e1f397a96354fe6e0dba4d32622daa204ead8949ed8cd5c7b19e0298c492b996fca9ea99ba42acd813bb27b0910e0f2ee8de331ffb87c1c9f6448d39347c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | b2ed2df0aec34f1be1a0681d5f5a61e4 |
| SHA1 | b3fd13771f4e8cd1321f466b270e274dc7ee5a66 |
| SHA256 | fda542a29a975c088dd9d559502021200549f03fdd1eac965b2f0e1b6bda8f0d |
| SHA512 | 9840d1cba7cac4b883fb1c8058b6f6499ca35101e9381446da490d10c27754416a52ead374190696d44567e65fe4081fbea333db4005c3770cd7e2e7ac49473a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 1d5c178d4d6503c5dded7fa78f3fbb57 |
| SHA1 | a3b4990d22d801ec01c0bccb9e4926d851804a1b |
| SHA256 | 3552a534babfc1ecf50daebd4a91d40f012cb136d96948a42ee77c8cb09a6d59 |
| SHA512 | ddcaba6485e982f54d1626eb7064d6a2cdbe744e288ac91400cb270c09cfb0c89474803c6e6a1b1dda9e0bcbf627463567139481a7b49266df8a4e1cfcbe9302 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6dbb79668b239e4c348f70e8d645f8cf |
| SHA1 | 16784965530ca109e4ee83885514ba49e8220509 |
| SHA256 | f9c50e8552fee5163acca0e335b51d603dc2cbbe2aea9f07fbbc62155f816c35 |
| SHA512 | 9a6697ed7d66dc42f4d64f3d15afe133503718abdb153fd55b58aa2a00121981a0ccc59b5d8c55a9580dd49a927fda3b06ca8009ac1174ee1328f0ed3096341d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 989644f22464a3dd02d89aa5f1b2b3f1 |
| SHA1 | d9d2e72f2167c01979ba2bffb6f2d290cd08ee1f |
| SHA256 | 8e3b358761b1035067e3ccf19f1049008f7cef7e3b3f6dcb5bc23baad80ed496 |
| SHA512 | b887685aa08c5faee890cd5b80a8e354e3fed7b6ac67085ce507da965488540c56bc023601a9061b23f903244b0168b32269fca4e91e04009aeea3f53d3933d2 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 397dd12a5c9fdab2c5c8a663833f3e99 |
| SHA1 | d5d21dca032c92fca8c4fd5909a6754faeb49595 |
| SHA256 | 3a97a838538e23591579b99cb1857c1e9fd8b3135e0c90f1b4c3ae64dfcc5f49 |
| SHA512 | 4200123e2dfd7a7b4e588e14328f47203fc95d0168b837df36af3e852cdd3e67c3ee956abebf0e60b81529b1b5c37494c7f3130ad2a5aaba78e51c2a34a4085a |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-17 04:13
Reported
2024-11-17 04:15
Platform
win10v2004-20241007-en
Max time kernel
95s
Max time network
149s
Command Line
Signatures
Ramnit
Ramnit family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
Writes to the Master Boot Record (MBR)
| Description | Indicator | Process | Target |
| File opened for modification | \??\PhysicalDrive0 | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3.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\pxB9CA.tmp | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe | N/A |
System Location Discovery: System Language Discovery
| Description | Indicator | Process | Target |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.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 |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144103" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144103" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438581768" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{4389DB0B-A49A-11EF-9361-FAA11E730504} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "401358892" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "401358892" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144103" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "406671176" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files (x86)\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\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3.exe
"C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3.exe"
C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe
C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.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:1220 CREDAT:17410 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 58.55.71.13.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 75.159.190.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.19.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 53.210.109.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 171.39.242.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 92.12.20.2.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 |
| US | 8.8.8.8:53 | 48.229.111.52.in-addr.arpa | udp |
Files
memory/4560-0-0x0000000000400000-0x000000000041E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\39176b24223d03d6c8701d6b52a895dd42842588af0b6e017e7c9c8cd08975b3Srv.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/3052-4-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3052-5-0x0000000000480000-0x000000000048F000-memory.dmp
memory/3052-8-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3528-13-0x0000000000400000-0x000000000042E000-memory.dmp
memory/3528-14-0x0000000000570000-0x0000000000571000-memory.dmp
memory/3528-15-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4560-17-0x0000000000400000-0x000000000041E000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | d2c6a662e9bd0c89bf8cd03b201f89bd |
| SHA1 | 7c019c00c24825eedda6b9fd3e200a39aa47771e |
| SHA256 | 08fec4715e35e941a8bc409fdafb8fab8c4b97e8883325b9082562eecc1cdca2 |
| SHA512 | 332b7cf422c2f656208ad9add4b15ee0c4ee7ee0074f67be9b7af32e9b4b59d487250bedeed06cf1763c13fe0da82cefccc4ada975dd148bf686f9cad08fbefb |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | 2489713ba3b2f758ccf65976bafc7d29 |
| SHA1 | a330bb83d61136a46ba7359793582ea617a95c2f |
| SHA256 | b3169661dfca9d45a775fc806d507c6a0912e07057bcf6f118d8eed09a3ba822 |
| SHA512 | e9317f5f49c204b559105e92109bc4423544f03f939c74473713f843cb7ad964715cb47758426c6ed0b35e2ad26cd3137b349f57ebbd356a1311649f375850b5 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\0BHOTC3C\suggestions[1].en-US
| MD5 | 5a34cb996293fde2cb7a4ac89587393a |
| SHA1 | 3c96c993500690d1a77873cd62bc639b3a10653f |
| SHA256 | c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad |
| SHA512 | e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee |