Analysis Overview
SHA256
dea756acbe46b538a26b940881d51eb9b47478bb4be1855c60fac165d21354b8
Threat Level: Known bad
The file dea756acbe46b538a26b940881d51eb9b47478bb4be1855c60fac165d21354b8N.exe was found to be: Known bad.
Malicious Activity Summary
Ramnit
Ramnit family
Executes dropped EXE
Loads dropped DLL
Drops file in System32 directory
UPX packed file
Drops file in Program Files directory
System Location Discovery: System Language Discovery
Unsigned PE
Program crash
Suspicious behavior: EnumeratesProcesses
Modifies Internet Explorer settings
Suspicious use of FindShellTrayWindow
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
MITRE ATT&CK
Enterprise Matrix V15
Analysis: static1
Detonation Overview
Reported
2024-11-17 21:08
Signatures
Unsigned PE
| Description | Indicator | Process | Target |
| N/A | N/A | N/A | N/A |
Analysis: behavioral1
Detonation Overview
Submitted
2024-11-17 21:08
Reported
2024-11-17 21:10
Platform
win7-20240903-en
Max time kernel
119s
Max time network
121s
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 |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Microsoft\px5689.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 |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\LowRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\PageSetup | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Zoom | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\SearchScopes | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\IETld\LowMic | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\InternetRegistry | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1E318761-A528-11EF-B30A-EAF82BEC9AF0} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\IntelliForms | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Toolbar | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-3533259084-2542256011-65585152-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438039587" | 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:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dea756acbe46b538a26b940881d51eb9b47478bb4be1855c60fac165d21354b8N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dea756acbe46b538a26b940881d51eb9b47478bb4be1855c60fac165d21354b8N.dll,#1
C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\rundll32Srv.exe
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2552 -s 224
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:2468 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/2552-0-0x0000000000760000-0x00000000007F0000-memory.dmp
\Windows\SysWOW64\rundll32Srv.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/2552-5-0x0000000000660000-0x000000000068E000-memory.dmp
memory/2080-7-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2080-9-0x0000000000230000-0x000000000023F000-memory.dmp
memory/2080-11-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2760-18-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2760-21-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2760-20-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2760-19-0x00000000001D0000-0x00000000001D1000-memory.dmp
memory/2552-23-0x0000000000660000-0x000000000068E000-memory.dmp
C:\Users\Admin\AppData\Local\Temp\Cab6CA9.tmp
| MD5 | 49aebf8cbd62d92ac215b2923fb1b9f5 |
| SHA1 | 1723be06719828dda65ad804298d0431f6aff976 |
| SHA256 | b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f |
| SHA512 | bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b |
C:\Users\Admin\AppData\Local\Temp\Tar6D79.tmp
| MD5 | 4ea6026cf93ec6338144661bf1202cd1 |
| SHA1 | a1dec9044f750ad887935a01430bf49322fbdcb7 |
| SHA256 | 8efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8 |
| SHA512 | 6c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 1f9053bbe05d755f48c0c510eeddadbd |
| SHA1 | 7c55ce4b57ac8ab7109c97aab29c51d2ad70c3e9 |
| SHA256 | 5044a886faa06d98b1b1368bb26c7a02aecbf403167d49e62eff8215362736c8 |
| SHA512 | b630a350d8aa76e69e0fe89410e3eda2cf0917f6130698e3252884b4b6d0a7a5d0779a67c21d5942775a00217da7400dbe00cacce05d9ae8408f9281fcc0e631 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | d136cc81a6dc2508687059cbd6255da6 |
| SHA1 | 964e53518207e819b6423610e18af213732e5ba6 |
| SHA256 | 4402e6afea9a1da07f098e419f92e8f85ca30acfc97badf4c15ec6d94f451d0a |
| SHA512 | 14565196a9f15d98a9abca340e95deba08890d47325b9d044623bb4a1a956af12134334c37788a5777207e9ef29535008f6730c5eadf4c41c8452e8264f19f69 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | d0a57a2727960ffd846c9ba2ab5d5282 |
| SHA1 | 4f97e6584a8bea5830221e33fe1babcd4e2a93dc |
| SHA256 | e6a552c4dc1ce56d3d18f5d3c45fb1f4ffbef8d6c153a6246f8d431aca188e85 |
| SHA512 | 3e8cba8bbffd73bfdcbb815b363ad5def34626742fc3d17ef085cd3276a77ce489074677966d84b071a3edd10ac099f52a08bad697a81a0be8be3638980db590 |
memory/2080-146-0x00000000002E0000-0x000000000030E000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | ebc05964204cb8a2b12da940e1705f9c |
| SHA1 | b5643270580e8c695de202538f715aeb4187371a |
| SHA256 | 7b6792cf3e4d49c2ad2235a78d3b36c560ccbd0e3cd2f253c644991538af45c9 |
| SHA512 | 96e6d79246014714be455b5d40726ae5541099074a4ae1ef1370e0259c73a393fa3a1228b66b79b56c0e6fcd46a8cf1e28f6e3dbc065172ba407f7c17a48a866 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 71887cc6d564727d4079401ab8d891f4 |
| SHA1 | 921349908bff0b4fae199b8fce520bee0022512d |
| SHA256 | 9619e80cd201d99f318ddf8fa3d856dea15a08687635d0381dbecf55e060f7ee |
| SHA512 | ee43a32171bbb1701d2ee0c0f00f25e5e432a922766d6a876dc760663f4a16161e1f62ce90d1d9b99b3126ac60e8d162364e697dfb1dd5bd0d8cc695a5c3e645 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 15dfeebf9111f500a04c1e64ca3130cf |
| SHA1 | e9300a1e46a3e5f6a68662a79c04f40a5eafaec5 |
| SHA256 | 769bc6374545c7ab014be089482d95809b7cb4ff7848fdcd23975923586b002f |
| SHA512 | 8c205ed88b4b5819371f52f5cc88e03dd57412fc0661d4acccf8a612d6c40f9502eee88ac73db0e29a163a65a0c1901a03377b86b077953246de1fdf4e30c0a9 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 3ce5f58adc478b48e0d8b0e37b6350e2 |
| SHA1 | 94b40d82c21b3a81cc848dfdb17dc6da92f2093c |
| SHA256 | 341a5a7ff9911a93dd22e407082de81675465b565761c2d9683e81299be27346 |
| SHA512 | 295007010b2d37edfb9793e4c661b78de257b6e53d27ae6adf4724cf80428456b2490f35f6479545ce1bc65bb00069582dedd536a60598f5704cdc99aa1fc236 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 33a716995ef65a8638ccbf37227e94e5 |
| SHA1 | 2252a79552cc1bd5d14d2b58ec29bbcb330472fd |
| SHA256 | 403f369200ca8fc8f89847e7efcdb6438dc7a06329aa41b3aba6a206a4607ecd |
| SHA512 | 84a4ae4830ace79f4033022fc78ce3136a2c02cafa554246866b6bea74b9faa6017204aa0b57e18270868ee2eddfaeade68450dbcc19d7a39ea742d3b7ddf928 |
memory/2552-453-0x0000000000760000-0x00000000007F0000-memory.dmp
memory/2552-454-0x0000000000760000-0x00000000007F0000-memory.dmp
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | fa70f335c2a3c5f73faa5292bea9f76d |
| SHA1 | be66b419f2dbc900f8c45105825a7cece236e0e5 |
| SHA256 | d5c684ae7d6a1831762a16b03f5a6095f5a66a9ccac79b45e112129a3c3d4c97 |
| SHA512 | 0538c55fbb01259f4a57c03d51352f39f640383811167a6492170f266f8f08b1fe1ea48a87d58e262787605401083b28ba1459f12ab787894907752088369c56 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 07210408d7298158f3bcf93d0fc7db14 |
| SHA1 | bf1f1f7ff1904e3cca2eb340c8e3c07aa3bf79b9 |
| SHA256 | 213e2a9a7252b7873ddaa07c00f1c2253d0a286891b8c65676cafafc73608e19 |
| SHA512 | 99fcb3a18d0956be47d3e9b662e285ae9064ebbaa508d9e4e1f1545bd59e5083e38c10189013ae58c19f7dd1e5ff9d890917d9a74ed6dc00f7d53d9a959075bd |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 05e4118eea4e7ba287d17174fa18d474 |
| SHA1 | 09fef6431722902ced5e077258e816f61ef6c8f3 |
| SHA256 | 323dce10d5a122f75f15f86735ae0a2eb2d5a8beffdb10568356b2193355586f |
| SHA512 | 468433b7497b9eecb96d268b171e2edcd482f3ec12c6a1543ee1689ad17e3a5df5f268703dd8bc9df955682752eeb31726a14f60627581527ed4f7c038281439 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 230be8048822f6d41a55b007d4164905 |
| SHA1 | 3c2e9c8244289885776e425ea8c903643528710a |
| SHA256 | 9b63a4b1345a1f76f5df39c9d06b16266fa0fe18d98c1db8ab933c636c91839c |
| SHA512 | 5c4d3b5014309aaad35dce3f51a928724ef0f9b8499bf02ad505b5bceb4449b7616e586613026aa5c74768a2bd940f0902c4cf3866d8029938b68274e3f6b1ee |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 43a0233968bfe4fa1af324b7dfe4785d |
| SHA1 | de5477f9608e23a42af4a42d910abd1ee2633e56 |
| SHA256 | 4560f32c45b3fd5f862ed6ac48cc79682b9ebca81bc41eb8c48330a67f05c8c1 |
| SHA512 | f4ae188ba11a20249bfda4ceee1120ab85fad340d7e44493fbcce932737a2509ffd14a7bf33bcb4c714d4e6a163e42c216bf007b6ff694470ad27fb30e09057c |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 0f01fedb430de399522a26a2964c80ef |
| SHA1 | 547e3b39c11e2847a4089f4cee0a76abc6334872 |
| SHA256 | 9f3b0e3b6b97f4597c190251cce3c45ff32c25e9fc30d97b3de1b939d3fe416c |
| SHA512 | 2b8c6286772be39a7a50e1b7563aa0b97e4bc0e713ae839e8e6829717d82868ad4209e53b5235c1265316bec79b9bfc3c4147486a588df7d189c36653519e8b0 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | e9c4d6e9f3bf2e2fee04996db6ac0a28 |
| SHA1 | 10c821505060795fc7930f150c3cb9037433dfbe |
| SHA256 | 0ea03acd02597aa38cd2ff5fb14c9d8cb02e1d263260fd3c0fe072f7432a77d7 |
| SHA512 | ed34d4ba6eff64667c1f49ca5ad988baacc033c49a3a3cf9974f8f108995ea6022c61320c12dec8c396d113ff358c085541634fcfe41d4df50c0ae3177ded629 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 650f2fa4992af1ced44bf589ae9b00a9 |
| SHA1 | d3831f21ba5ec27f4e2ca643db6eb8b1251bf75a |
| SHA256 | 8a56a149ad1f463129c9faca37ba708423ebbd302f93564b782d1cd18f33ed3c |
| SHA512 | b2c9cf079e59c921f28cf1f3512c30eabfe6065170ea3fad9bfee3dc175ad482351b54e2a81c27b172f34fb3f645f66f2725f77e3ca7a9e0a903a9fed6acc9ab |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 9354bea57487374e26c96e4674f6b796 |
| SHA1 | c42920dc2e12c6ae72fdac76eefeb162d4bb5156 |
| SHA256 | 74250b5c6c04a3db6f2f7b6b03b22ae1cfe9cf2663d39406616732afc743e3b7 |
| SHA512 | b67ab1c4098b9e23a76bdd28ebdbaff3c589191a52292404e539c53d33ead53f1c5f5be9096aa948838d4bf16f31d8878996fd46789da5740c1c24869c64eaa1 |
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
| MD5 | 3fb52ee19df480b2b31c8594f359bb4e |
| SHA1 | 16268be6796b3066ba92522e74050e699cbb3d38 |
| SHA256 | 963b95a87ddbac115256412ac8c549a5b440119bc26a0ca9ed102d28fd51685d |
| SHA512 | b953e446f6cece2a9ef81756853e1bfa0754e9ed671296271eeaac00ebad8f6e8c14f77ecb6e6f3bf37d161f4deb6e31fad58c13d8269ca79a49b5b81f7c7237 |
Analysis: behavioral2
Detonation Overview
Submitted
2024-11-17 21:08
Reported
2024-11-17 21:10
Platform
win10v2004-20241007-en
Max time kernel
92s
Max time network
115s
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 |
Drops file in Program Files directory
| Description | Indicator | Process | Target |
| File opened for modification | C:\Program Files (x86)\Microsoft\pxA671.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\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 |
| Key opened | \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language | C:\Windows\SysWOW64\rundll32.exe | N/A |
Modifies Internet Explorer settings
| Description | Indicator | Process | Target |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\GPU | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "4132794681" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4132794681" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31144244" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (data) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4139357320" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\VersionManager | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144244" | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "438642700" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Key created | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\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-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31144244" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (int) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{21D8D324-A528-11EF-B9B6-FA9F886F8D04} = "0" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| Set value (str) | \REGISTRY\USER\S-1-5-21-1045960512-3948844814-3059691613-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious behavior: EnumeratesProcesses
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Microsoft\DesktopLayer.exe | N/A |
Suspicious use of FindShellTrayWindow
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
Suspicious use of SetWindowsHookEx
| Description | Indicator | Process | Target |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files\Internet Explorer\iexplore.exe | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
| N/A | N/A | C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE | N/A |
Suspicious use of WriteProcessMemory
Processes
C:\Windows\system32\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dea756acbe46b538a26b940881d51eb9b47478bb4be1855c60fac165d21354b8N.dll,#1
C:\Windows\SysWOW64\rundll32.exe
rundll32.exe C:\Users\Admin\AppData\Local\Temp\dea756acbe46b538a26b940881d51eb9b47478bb4be1855c60fac165d21354b8N.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:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2632 -ip 2632
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE
"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4396 CREDAT:17410 /prefetch:2
C:\Windows\SysWOW64\WerFault.exe
C:\Windows\SysWOW64\WerFault.exe -u -p 2632 -s 572
Network
| Country | Destination | Domain | Proto |
| US | 8.8.8.8:53 | 196.249.167.52.in-addr.arpa | udp |
| US | 8.8.8.8:53 | api.bing.com | udp |
| US | 8.8.8.8:53 | 88.210.23.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 95.221.229.192.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 232.168.11.51.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 56.163.245.4.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 241.42.69.40.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 161.19.199.152.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 107.12.20.2.in-addr.arpa | udp |
| US | 8.8.8.8:53 | 172.214.232.199.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 | 43.229.111.52.in-addr.arpa | udp |
Files
memory/4436-3-0x0000000000400000-0x000000000042E000-memory.dmp
C:\Windows\SysWOW64\rundll32Srv.exe
| MD5 | ff5e1f27193ce51eec318714ef038bef |
| SHA1 | b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6 |
| SHA256 | fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320 |
| SHA512 | c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a |
memory/4436-4-0x0000000000560000-0x000000000056F000-memory.dmp
memory/4436-6-0x0000000000400000-0x000000000042E000-memory.dmp
memory/5016-11-0x0000000000400000-0x000000000042E000-memory.dmp
memory/5016-13-0x0000000000560000-0x0000000000561000-memory.dmp
memory/5016-15-0x0000000000400000-0x000000000042E000-memory.dmp
memory/5016-14-0x0000000000400000-0x000000000042E000-memory.dmp
memory/2632-17-0x0000000000400000-0x0000000000490000-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 | a7c179c911fef44a5c7816810c2619f5 |
| SHA1 | 3ef75c3e582ba371d748cac6e7f29041da2c89cf |
| SHA256 | e78e6e5ca0dca5b24f93c19ad8e247f2674fe981ce17219c0166ec5985e645bc |
| SHA512 | b4b04d3f95733a90e47e576462e1daac44300a5dd89776df8c2b055a293e586687d44b052454f2feba8f1b3214feb7fb063b41dfba4f45c5feebf9d53783c236 |
C:\Users\Admin\AppData\Local\Microsoft\Windows\INetCache\IE\9MFSIIMR\suggestions[1].en-US
| MD5 | 5a34cb996293fde2cb7a4ac89587393a |
| SHA1 | 3c96c993500690d1a77873cd62bc639b3a10653f |
| SHA256 | c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad |
| SHA512 | e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee |