Analysis
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max time kernel
138s -
max time network
144s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
29-08-2024 11:36
Static task
static1
Behavioral task
behavioral1
Sample
c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe
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Size
590KB
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MD5
c8be3a7e91cfa426531935853823e4ba
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SHA1
137c5469f469d721a4fbba9ba87d6e2e9f0005e6
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SHA256
e454cd6f7220ae25083c5e183e04fde1c26b1b6d9119e2aca4fc8b0125cd0be7
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SHA512
18de5016689e72c6d99720d1cc1f4a831ed07f8447a7fdd4e0dc9d0aacce5882c02dd417588a715dca86a8becd2e9024ec0f9336eaa0b5b6eadf09d75f952db2
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SSDEEP
12288:VmXxN5Hef7wWHX+IuNEFVqhJuWYI17c8Z7zo1N9:uN5+f7t3cEFVq5Y0wu7zo
Malware Config
Signatures
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Locky (Lukitus variant)
Variant of the Locky ransomware seen in the wild since late 2017.
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Deletes itself 1 IoCs
pid Process 2552 cmd.exe -
Indicator Removal: File Deletion 1 TTPs
Adversaries may delete files left behind by the actions of their intrusion activity.
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Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\lukitus.bmp" c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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System Location Discovery: System Language Discovery 1 TTPs 4 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DllHost.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
Enumerates system info in registry 2 TTPs 1 IoCs
description ioc Process Key value queried \REGISTRY\MACHINE\HARDWARE\DESCRIPTION\System\Identifier c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe -
Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Control Panel\Desktop\WallpaperStyle = "0" c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Control Panel\Desktop\TileWallpaper = "0" c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "431093337" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb010000003e1c4d4a7885794291b78de8e6dfadfd000000000200000000001066000000010000200000007c89d131916ead5db284defca536c22daca86557417dd3edee743a8f3f04b729000000000e800000000200002000000079d861822e0dd9719adcb996eab8c80c84f13e75963885c302d62ee474dde5a020000000d19842bb0cc4dc47e94974bceeef5c87cb335cb126986644218d3d0ca406e3db400000004f9e69df837963f9fe58dc759a64c1da179c099bfa87a5194cade481e0cf36bb3419b7f1613e00195e46b8720a2ba7ce788c7e57ba308d7640ddc710981cd2b2 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = 60685bf307fada01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{1EC4EE91-65FB-11EF-9EB8-6A2ECC9B5790} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-940600906-3464502421-4240639183-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2664 iexplore.exe 2416 DllHost.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2664 iexplore.exe 2664 iexplore.exe 2716 IEXPLORE.EXE 2716 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2212 wrote to memory of 2664 2212 c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe 31 PID 2212 wrote to memory of 2664 2212 c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe 31 PID 2212 wrote to memory of 2664 2212 c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe 31 PID 2212 wrote to memory of 2664 2212 c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe 31 PID 2664 wrote to memory of 2716 2664 iexplore.exe 33 PID 2664 wrote to memory of 2716 2664 iexplore.exe 33 PID 2664 wrote to memory of 2716 2664 iexplore.exe 33 PID 2664 wrote to memory of 2716 2664 iexplore.exe 33 PID 2212 wrote to memory of 2552 2212 c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe 34 PID 2212 wrote to memory of 2552 2212 c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe 34 PID 2212 wrote to memory of 2552 2212 c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe 34 PID 2212 wrote to memory of 2552 2212 c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe"1⤵
- Sets desktop wallpaper using registry
- System Location Discovery: System Language Discovery
- Enumerates system info in registry
- Modifies Control Panel
- Suspicious use of WriteProcessMemory
PID:2212 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" C:\Users\Admin\Desktop\lukitus.htm2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2664 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2664 CREDAT:275457 /prefetch:23⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2716
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C:\Windows\SysWOW64\cmd.execmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\c8be3a7e91cfa426531935853823e4ba_JaffaCakes118.exe"2⤵
- Deletes itself
- System Location Discovery: System Language Discovery
PID:2552
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of FindShellTrayWindow
PID:2416
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5a5c8369ef03cb78fb7710bc767898646
SHA1a493f91f17b37a0385c3a476dc3312f261e9fa8e
SHA2564542b715b7fe702d66b50ef0e109fedc54066a99350ad08b7afc46586a1b2655
SHA512f686afbc95f1ea693a565d53ba2606aa39d352a8a351d9e549f7d9554da29c51eb3c04dab5d5d9ee66f56762aba8bb366279eb159a7ae404f698c79099671fa9
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD55cd67a278eede2a24daaaa0d3392cd3d
SHA157f4bfaec4d549a29808c69630ae304b796a4b70
SHA25625813786b6ebe6a0611d523b5d577d7eb40f3ff6d74acbc695c964b7724c9e5d
SHA51246a37ff43789bb40ce77b14def027ea802e8b27387c2d56996099861b343c179330704881a1c3b91b92cfc5424ce6fad6c44ac2c6cc82ab5455acd2587f1f647
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD55087a126b4cdac23bd4eb57bcc5cbbeb
SHA15855d538d3a73eb3b14701c6f84c20d9ec0f1600
SHA2562ffa7c1b2da1b27f1b94fc23e8626ccb004e7f712ce468153024a38547f478c1
SHA512460330f1464bcd66988289ea2c54c291a8adc839e05ef18f1672aeed453b7dff19c7f36e1f813a1f3fb04aac0f30eb9a5982bf0ed0198bb126bb4f7788e201ad
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5d335382cec6fe075540c5ddd6e1ad61b
SHA1949c5df7efc6f79e47c68f2d07a64cb456c24730
SHA2563820fe5412039d7a5d08c7180db7a9835ecf335138b80f15675913c74de794f3
SHA51223cd1b9eb36b8e3ada4ab751d0923761bf20c01d7205b3587d7134138809c4eab3ca14494c069f7e30e571580060abcc7674941ff7298f89eaf0cb24231ba2a8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5782654fade590f794c5dd35a8d2b4175
SHA1239f19d0d4c61149b6dddd9897a1c682840d2ae6
SHA256392ffd5ce5da40c7c67dfb9e668a39e756f04404fda9c89e7232fd9b9c94d202
SHA5121c4c5af28a31c0237b2a4eb9c79b43ba4506667070a00ec811863fec7025b49fe3122392041289c59760242407d2544d0d6d56795aec6eee9d90d29cbe54ca4b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD510728d21039b5f8cbcef3bf0350df03e
SHA1f719a9144d19a0ec64e8f315af6162e35ef24753
SHA2561e227d7057a2334a364543eef7c87aefff24b2025fb0a1564c8f0599abedde47
SHA5128880908003a0a26322b6f28d5db193a5e11a3e0777f3beb4dc350bb4d80b4a382a50256dc75e86d2261ca327c267040be6c76601a209eabf8ca0c7382d0ad772
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize342B
MD5bcb6874d41d91dabc1d992171cd28381
SHA17334761c8cb23eec006debe695ca2140a1725b93
SHA256eeb51e761660db6995d81230f474df68baafd150d48ab675ee27e6f564a007d0
SHA51289cd62aa8baa66c1ec8a678ce758ad7fdf1e2d4b9c397f0e4713e1063b4b645090c1ce8e0e9cdd0d5628b7830fa935b2c47dd0cd3ec8451500911c66ff967e25
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Filesize
70KB
MD549aebf8cbd62d92ac215b2923fb1b9f5
SHA11723be06719828dda65ad804298d0431f6aff976
SHA256b33efcb95235b98b48508e019afa4b7655e80cf071defabd8b2123fc8b29307f
SHA512bf86116b015fb56709516d686e168e7c9c68365136231cc51d0b6542ae95323a71d2c7acec84aad7dcecc2e410843f6d82a0a6d51b9acfc721a9c84fdd877b5b
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Filesize
181KB
MD54ea6026cf93ec6338144661bf1202cd1
SHA1a1dec9044f750ad887935a01430bf49322fbdcb7
SHA2568efbc21559ef8b1bcf526800d8070baad42474ce7198e26fa771dbb41a76b1d8
SHA5126c7e0980e39aacf4c3689802353f464a08cd17753bd210ee997e5f2a455deb4f287a9ef74d84579dbde49bc96213cd2b8b247723919c412ea980aa6e6bfe218b
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Filesize
3.1MB
MD5a26b6d3827e36e4755916445d8c3e09f
SHA12f81a6e0f6621c0669697f315e9abc0e98344543
SHA256c61d719e92368e96bb54145f30c84576223d3d2aaa35428b79fb9ac8e1646acd
SHA51204969536fd7b69657315cac7550d58dba0613045f64215395bf456575ca0f2b55c95de159e16e818f6c39e91b461de197204d9337894eecfb62e33f525c686e9
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Filesize
8KB
MD55e04d61545cb66645aeb6b94ea064bb2
SHA1a9a972c2333b432371c57ced25d3c671f51c3b27
SHA2563c30385c6daba02ea64bcd65bdc93d73a5c3e522f30991dd8c084965b4331c5d
SHA5128b2bedda4c85fce60be129342b30b0b58ee6966bbe596bc276f78d6f3cfc4463da114e4ae0a4029e4d417cf146fa43c3ef11af6dc3fb1b426481beda954e9484