Analysis Overview
SHA256
2accae9c4377f2cc1826425bbd536f7bed5695dff2d11db4aec2b01e7c363dcb
Threat Level: Known bad
The file 2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit was found to be: Known bad.
Malicious Activity Summary
Ramnit family
Ramnit
Loads dropped DLL
Executes dropped EXE
UPX packed file
Drops file in Program Files directory
Unsigned PE
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious behavior: EnumeratesProcesses
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Modifies Internet Explorer settings
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-15 11:43
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-15 11:43
Reported
2024-11-15 11:46
Platform
win7-20240903-en
Max time kernel
120s
Max time network
128s
Command Line
Signatures
Ramnit
Ramnit family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_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\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit.exe | N/A |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_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\pxBAF6.tmp | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe | N/A |
| File created | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe | N/A |
Enumerates physical storage devices
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\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit.exe | N/A |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.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-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{DC9E6121-A346-11EF-AB7C-F2BBDB1F0DCB} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "2" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "437832889" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Internet Explorer\SearchScopes | 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:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit.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:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_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:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1740 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/2512-0-0x0000000000A50000-0x0000000000DC2000-memory.dmp
memory/2512-5-0x0000000000400000-0x000000000042E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/2168-7-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2168-9-0x0000000000230000-0x000000000023F000-memory.dmp
memory/2168-10-0x0000000000400000-0x000000000042E000-memory.dmp
memory/1944-19-0x0000000000240000-0x0000000000241000-memory.dmp
memory/1944-21-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2512-15-0x0000000000A50000-0x0000000000DC2000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\CabDBD1.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\TarDC41.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 48a60d84c6384da47379d01405fc468a |
| SHA1 | 0dd79b5b89ac987b895312929c16ea1aca707ecf |
| SHA256 | adc0cfa0f02bfb38bc2c7978cdabcdd4420bc9a9a2a2a954af6c8579f433be70 |
| SHA512 | 7f4d6caa2eccb63471acc4551840ee7f939e01f085fefa326a1634480c385e1c08800da9bae530e02c1c27df8455735a5a4b7b5f6b0fd5501bdd51c628d36af5 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e33f3e68e20466c9de15d84a4f5d52ad |
| SHA1 | 454db5a221e997f7d6792d337cff0a7c771373e0 |
| SHA256 | 9ddbd803e928e5b42fe2c5018083c22a03d66925b029cf402b56da4c18968462 |
| SHA512 | acedf3f1ccd13e4e1380bcb7b6b726b5d7a1bffe939a84c94cc6d271bb6007561a87740e3f7137627874533d6230a3bbaa69e024b028d6d7d5bf57b01eaeb290 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 453f734123a4c96f67747c7a56985aae |
| SHA1 | 7c331a46ec9fb46c156a18257b0d2b47d7fd42fd |
| SHA256 | 0a465a86fe04c23421261081bc1f09a982957e1338374cc367cc0355c1a2a74c |
| SHA512 | d1d079c66ba36683261f296ac51745a6739d61ddb8ec92431a4ddcf3247e6618a709993b1fbdd1dd3deaad7aa518dda579a691a42c8d9eee2d3dc4543b68b9dc |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 8a6d99e434b2a48769e9ef0a215e9e22 |
| SHA1 | 36fe144df3aabbba7a9192796ce4331283f3080b |
| SHA256 | 5111556989740e44f7309d8d9fc9f9e8f5b64ce68d8a27e814a89865e36457d5 |
| SHA512 | 6ea1301d127e11adcea7c7b498c44205e5487e71805b691881f5550748d6e13d260f322910553a2a68f8e1d03f199eee1d4e367391a5ee56b632d1cfd8ae32f3 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 37c569054f6af2af64783137f7adffad |
| SHA1 | 3c6198d4eb7052a0dee6921667b2bdcca31bfd36 |
| SHA256 | 3e0364908efcb726188f25a64e25d6db462d4805abd8bfc80e1a1b148e5e71d3 |
| SHA512 | 641cd9a30c9abe5aab1634295b79064f26753d6774518850b1a7f8b381489fa0623111ed30edcb41d359e3e366e5a4deecf71e8b006f046176e0260dc1bb4f71 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 050dde6150d6ca70ef3a5668f614ce6f |
| SHA1 | 614456f570e872687b528a3a2f64611097cae3c3 |
| SHA256 | aa0442ed81a890f6b86f79d92512787c0f84f19c998ec3dfd9e49c1a49c63e3a |
| SHA512 | ddfc9a9ba009c5abb552a75371454e63560d900483f3405217922bdd9073f12f461d5a9ad38327265bef706d20a57b13c114339fc7455ea8c1ae7d0ed8ea486d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | b29c70b7f646aab5c4c383dd666df35b |
| SHA1 | 726d0c0c29c22a8ed28cda678aafcff7ad5ed221 |
| SHA256 | 7f0fbcbebca5c2bd51a18e84677cb1b6b0271b7f0c5202e3733a24244d39edfb |
| SHA512 | b387ba96871bcb4fb44d23029bd2de3ab98d7315ac4cf7b086a71b89e12753fa868765975a185e72e78025cd93554ac2895d48e9f5cca94905924683123dc086 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 2c7d309c7d621f1e557a7d819a2b3d5f |
| SHA1 | ed190ea04f5337a79a5d87cafd6db4e269124348 |
| SHA256 | 2c4953f20ad19719c583c8332cd369b578a1cd2422aebb552cb278a1fe1bcb0d |
| SHA512 | 0bed2096989f234fd177865c2dceb1e39d84bfc5f9ea4c7b42a76d04389c3f0ffaa8c83350ea65242adf6e3968c7fd069eac0abd4975e83c3d30d477ba9a6b9d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 5a6f3d3b5fb241ff62e147110c6adb8f |
| SHA1 | e8eb1df89979d93de147d3856ba09fb3a7cf1136 |
| SHA256 | 91b34b9b7650e1e934176580d17ab78f84484a8d4d1b211af231901683b44659 |
| SHA512 | d2d9f881e90b8d6f2f716259f1088e1d5507eaca6dd4b7f6d8618ea19fb65b47c07b91e74e8dc3083f1337087ad2c51ac21f580699b0fcb56787e949a1e7b022 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 6cad2474fb800b4a46934c447b28a876 |
| SHA1 | 7ef407d39a61076b0a86d728e736d033957f27c6 |
| SHA256 | 87e67311c6fee73b0753933f762ed12d898a7e834f3121805e49ecaedd30d04a |
| SHA512 | b789d46f5c48bb124c80a296a89b7c475ccdc6285ee854e095b457eb9bdb4b4a14d628c8bf98c2fc6ec9f2c9974c6d76a2b87ab57d8ec88f89ee1b18d601833e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 841268949f74623173e5548743876550 |
| SHA1 | 1fbf1c85e9548b6e13840130f5ee85325206c21c |
| SHA256 | 0bd1e7f08560a06d001e9e6cdbcadf71e6059fb402f8746f059e35126e8422d5 |
| SHA512 | da1cf517afeb53a3f7c6d9eefa46114c580b7b3df88fd18c5bd3b5168cc6491f0977f519de75ce4a7ba320c960a0b6b130a3e172db5f541c31879c59281bd2f5 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | d0196b376f5d369e961c91024222e245 |
| SHA1 | d0007f1016d6a93e47a93118d9125a3190ebb347 |
| SHA256 | ba2991ab64845a1d3e8a806b9b17fa04669cb13c68682b865e5cb0f9e245069d |
| SHA512 | a48a9f52f14347d723b904e290a28ad0c680cffc4d8f02a62365466cbbc96594161d93ac025a7eb6693835e77717d7abf2841a7f9a52841d65de87203b77670a |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | d3269484a2ced8d3b0a803f7b0f7ab70 |
| SHA1 | cd0c38319812088875bec550bbf7b075b79956a6 |
| SHA256 | 0676702b586559864280f710eb018ecff284f82ed2b8894d24f8fa2c123221c2 |
| SHA512 | 79b0ca8dac9f84a3690ff8e611525424795feb91b6a8ea55a4718ed3d8bd74777ee83c64891ea1f940d112f4415c51b47fc648ee86349a56a2a8b8ef1ea4e3fc |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | bce9e0e7e18f66340ce84a3117a7e73a |
| SHA1 | 5212565b5ea22441800c1e376e9e1bf89a6c01be |
| SHA256 | a558a1929f055b0356c446829cc2dcc46a9d5eefeee813a583b987159555d2ca |
| SHA512 | 2b8033358c97464c08ae802663d07851cd284f4ca4b8b1501a7a52bc7af5dde8c4d8fb09e1c5a4dfd23ba629fab4f0a3d994ab9f60309ed6d9ed019c55fc9dcd |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 2f92cc139fb2616fb25d3a31aec907d0 |
| SHA1 | 916ce587f2085768f763d5d52f0783cfe9782811 |
| SHA256 | ca221853633da560d21d39bc5a2dc48e756bef57d6261e15845e0954cb979eee |
| SHA512 | c7573e10a615e79f8116726a883d918307f28605f98632d11808a4612bfb48bd45c2e57682f9dfc65a7b154881a716945a776d895e43b4abbf7caf6a11d4541e |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 98baa325611d06196e8bd173a5109850 |
| SHA1 | 53e29b674a3f3bfdcdc1da6aca17aa40a1068e40 |
| SHA256 | c363c4351937c5adc3b14e92c87325d7ffdd54ffef8dc318863686b1bbb82cb8 |
| SHA512 | 3a34869a4b3d383a56706b6050e7a6052627a63e39cbc9d67473075c6a31108699a2e4f133a21691aad42cc55646cd5ef3034cae88da6e6bf1ac1e7ec8e2228f |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 63b35fb6e72de4374ef798ba382c4089 |
| SHA1 | 97ea1d21ee8597a8d99291693d7f8f08d4d03cf5 |
| SHA256 | e602483d20f2b83cfea54bb413f43d10e2cd2d7c0baf4d811cccbdc2c79c9dad |
| SHA512 | c631674458e051b334347ba2a57053d31962c14242ecb6e1414d8b3f8c6f2572058cb85d29a430604853cdd190f34a1034dcad9a2dc63b1ff68722d4f7c2aba6 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e8c6978d6c8d4458cc4678accb7ed202 |
| SHA1 | ae6756918798a23b919cb85fb31947e1077ca288 |
| SHA256 | 8f37b17ead9aa7f7aa29a4a202bd3778433c33077873a898664f7e939c9ce627 |
| SHA512 | a2b6cc65f745d517687a7200e5e1ca46cfeaad17e521c49a70300b97ed3810412cf753017144b9faa7db3a4cc3eecbf9f15707c4040d4671574b1d91a19b9350 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 7ac76dc8a9a91b38ca2408b631100e45 |
| SHA1 | cc6cdb73a2c58d4fbc21e6ed65d71c4ffaf2d46c |
| SHA256 | c5be94262f7255a40b2fb04e7ec325da6b6e80b06aa9d3a44d98c89ebbbbb7fc |
| SHA512 | eaa2c507220235439610128bee7f178f24ee06e7572f5711a298298a836339b933d40c1381d7311eace5bfe0a41f67d8d49262f4402547047c755d5ae4d3be5b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 1ecb31b2e2c824eb5a5f784b79d5d4fd |
| SHA1 | 96680c39809fbc9eab8b70ee64979a6765aea678 |
| SHA256 | ce6efced334c7909eefc98b9cc8ea2a03d5df9c636b23c487c0eec004ab81e88 |
| SHA512 | 20d0c1a2e222034443846e73e4975c8ad50d6adcbc9e58e59e5977781551120cf7b2710715c906383df81b5e45e07b0501f7f43285452a7b5ce30d1968ffb7c3 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-15 11:43
Reported
2024-11-15 11:46
Platform
win10v2004-20241007-en
Max time kernel
93s
Max time network
145s
Command Line
Signatures
Ramnit
Ramnit family
Executes dropped EXE
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_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 |
| 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 created | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe | N/A |
| File opened for modification | C:\Program Files (x86)\Microsoft\pxA335.tmp | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe | N/A |
Enumerates physical storage devices
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\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{DCBD2DDE-A346-11EF-A7EA-7ECF469E42CC} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2971792380" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31143763" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2971792380" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143763" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2976948818" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\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-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31143763" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3350944739-639801879-157714471-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438435996" | 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:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit.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:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit.exe
"C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnit.exe"
C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe
C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_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:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3488 CREDAT:17410 /prefetch:2
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 154.239.44.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 8.8.8.8:53 | 74.32.126.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 209.205.72.20.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 212.20.149.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.19.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 18.31.95.13.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 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 19.229.111.52.in-addr.arpa | udp |
Files
memory/5044-0-0x00000000004E0000-0x0000000000852000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\2024-11-15_4659b9cb8fb2d7e7e9154cbd29f008c4_bkransomware_ramnitSrv.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/4680-4-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4680-6-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4256-11-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4256-14-0x0000000000490000-0x0000000000491000-memory.dmp
memory/4256-16-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4256-15-0x0000000000400000-0x000000000042E000-memory.dmp
memory/4256-12-0x0000000000400000-0x000000000042E000-memory.dmp
memory/5044-18-0x00000000004E0000-0x0000000000852000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | 4716dbab6f2ab2afcbaf76db5f0b38c9 |
| SHA1 | 9ff921c8611055814c46c2f6040cc4212879907b |
| SHA256 | 14e6269329dc675b9c53db477169c352464cdcbf50d9653a22620720fcfd6573 |
| SHA512 | 3ceb67375c9023369d37b78cc52157c6c3c540b3aef9dc470ccd562b9046a3883fc27a7f193550230987927db461d7e7b0a8cddfec12f45817268499bb78d02d |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
| MD5 | 1c6bd4a053d5b3bcf36bd7b1f8af2271 |
| SHA1 | bc8e1d60cd496ca95e7ef8b3c787d70ff2d4b095 |
| SHA256 | 45007de550d35fb92f93bebaea3686afde539b045e054e14861cd319fda78fca |
| SHA512 | c387355c3ef4bf9d565ae98daa801adf77f8a63eafa17009e318a68a5b13c16302c7eec659937c641c1eb6730f3c8d601313c368bc8053f540aa54158aef7c6c |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\VKYZDMA5\suggestions[1].en-US
| MD5 | 5a34cb996293fde2cb7a4ac89587393a |
| SHA1 | 3c96c993500690d1a77873cd62bc639b3a10653f |
| SHA256 | c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad |
| SHA512 | e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee |