Analysis
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max time kernel
125s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240220-en -
resource tags
arch:x64arch:x86image:win7-20240220-enlocale:en-usos:windows7-x64system -
submitted
06-05-2024 23:35
Static task
static1
Behavioral task
behavioral1
Sample
1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe
Resource
win7-20240220-en
Behavioral task
behavioral2
Sample
1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe
Resource
win10v2004-20240419-en
General
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Target
1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe
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Size
615KB
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MD5
1eb5b93203f2ee6d0cc0c61f634eeb63
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SHA1
9f6eacd64f69c34c88b5a249e0c07a275efff1f6
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SHA256
92d843407a4f17392c7d7b2f6fc2dfa879743ed87d54c16a0449bfb4d168b541
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SHA512
7ca76f7085982cefed0c98fb9660193178478a73be641bff55ed88a8d07925bb56712b877b358e65aa198bbbd0ac5330bd280239ec383a426dc928f4aa076d0c
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SSDEEP
12288:OBRpTCkUGgvu5F4ZBV9K8HCEZqxeemKduM+cyS1T7FA+6SP:OVTCq4H3KFjx+ALb1T7wSP
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 2808 cmd.exe -
Sets desktop wallpaper using registry 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Control Panel\Desktop\Wallpaper = "C:\\Users\\Admin\\Desktop\\lukitus.bmp" 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Modifies Control Panel 2 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Control Panel\Desktop\WallpaperStyle = "0" 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Control Panel\Desktop\TileWallpaper = "0" 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\SearchScopes iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{9615DAD1-0C01-11EF-A1AD-46837A41B3D6} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\LastProcessed = b083816a0ea0da01 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\DecayDateQueue = 01000000d08c9ddf0115d1118c7a00c04fc297eb01000000abb8596cc50c0546bfda6658dcffc23300000000020000000000106600000001000020000000014e73e71515463c8e97dbe6d87f06cd6f6cb3fd521da7fc7a9f60a65ccad5ed000000000e800000000200002000000067068c09bcf12fc131fcf4fcfabf594442aa8aeb98d7f10a011f626ea444c87420000000369f6b5ebe02cc021ab72a8ba51d380f6db233cbc60f08dd8c997302aba2cbf64000000092e2d38ceaba68d0aeed9105dce53d6db2ddb0792fd96712d4fbe7468e270eded43e8ecd065809a33d5ef56e77f9aef24ab419aafa227215ecf33817cc90d63b iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage\MFV = 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 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NewTabPage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\TabbedBrowsing\NTPFirstRun = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\SearchScopes\DownloadRetries = "3" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2721934792-624042501-2768869379-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2532 iexplore.exe 2568 DllHost.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 2532 iexplore.exe 2532 iexplore.exe 2664 IEXPLORE.EXE 2664 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 1 IoCs
pid Process 2312 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe -
Suspicious use of WriteProcessMemory 12 IoCs
description pid Process procid_target PID 2312 wrote to memory of 2532 2312 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe 31 PID 2312 wrote to memory of 2532 2312 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe 31 PID 2312 wrote to memory of 2532 2312 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe 31 PID 2312 wrote to memory of 2532 2312 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe 31 PID 2532 wrote to memory of 2664 2532 iexplore.exe 33 PID 2532 wrote to memory of 2664 2532 iexplore.exe 33 PID 2532 wrote to memory of 2664 2532 iexplore.exe 33 PID 2532 wrote to memory of 2664 2532 iexplore.exe 33 PID 2312 wrote to memory of 2808 2312 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe 34 PID 2312 wrote to memory of 2808 2312 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe 34 PID 2312 wrote to memory of 2808 2312 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe 34 PID 2312 wrote to memory of 2808 2312 1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe 34
Processes
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C:\Users\Admin\AppData\Local\Temp\1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe"1⤵
- Sets desktop wallpaper using registry
- Modifies Control Panel
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2312 -
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:2532 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2532 CREDAT:275457 /prefetch:23⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2664
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C:\Windows\SysWOW64\cmd.execmd.exe /C del /Q /F "C:\Users\Admin\AppData\Local\Temp\1eb5b93203f2ee6d0cc0c61f634eeb63_JaffaCakes118.exe"2⤵
- Deletes itself
PID:2808
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C:\Windows\SysWOW64\DllHost.exeC:\Windows\SysWOW64\DllHost.exe /Processid:{76D0CB12-7604-4048-B83C-1005C7DDC503}1⤵
- Suspicious use of FindShellTrayWindow
PID:2568
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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Filesize
68KB
MD529f65ba8e88c063813cc50a4ea544e93
SHA105a7040d5c127e68c25d81cc51271ffb8bef3568
SHA2561ed81fa8dfb6999a9fedc6e779138ffd99568992e22d300acd181a6d2c8de184
SHA512e29b2e92c496245bed3372578074407e8ef8882906ce10c35b3c8deebfefe01b5fd7f3030acaa693e175f4b7aca6cd7d8d10ae1c731b09c5fa19035e005de3aa
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD51cc71f208012ce1e30617f9c714661cb
SHA1b504be172d97be8d8bb63624982c36757f86b109
SHA2565a54826bbc27d244831beab7e39ed8f218906be1e08abe3d1fb74c33f51187cc
SHA512eb803462d747903df14c60a54c1e81a4c9f990dfcc408b6f1c7f10b5bbb9ba3531c9be49f4ec0401187ba9802924ed6a42585ceac8241293212f0fa62f267989
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD5a9f1b02b676c97d4ffa25334372135e0
SHA133ccb1980a94f7b6257884809409bd54d99c2527
SHA256b8fad1dd57ba007b65aeb4da0f7954a4bd878cbb921dabce7f1b20cf7cc29fd7
SHA512c8c928ecc5ef08147fab088224cbd314ef968b2c656a1ae0d8176c1ff1f1db3fc06d3f701e8203fbad71b0fff4dae71711e9db00e593934c3a1e08af89dc9efe
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD5f78b071b38b0c3f83d953a5bb9e773ba
SHA1403cf03b8a0a4bf026854722993a27efcd686dd8
SHA25683e3a8b111350a0b1f9f743707f2530b5c97825c3593ee396d8f39935d3c559d
SHA51252891c46b70f4a27bc70b71106e300bf02d53762c5cb9e0213bf00e4dc6353ce2e4b600c26e59dff9dbea4fedf9c4a6366218fd9a035998fa66258e3607b7903
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD5c2e9532426d011692191f4e3145ccffd
SHA1c9b7ef0cb3ed7e35ce61537bf218922121d6fcaa
SHA25632943bd8f620a549befd5eaf7a716b243aaf532bb71e39bd8862f018c361dd8a
SHA512ab067fc505a3de3d0a79a99c1ea8332c981e4b0d0938c209f07ca0462df73e09c0ee6ce0be923ba27aa0f9a742af65fdebb31c8ee631550d0d7e8a267e6c9a98
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD50253e8f8dfb08189e6d0aa6ecfdb3c10
SHA13dce1745b9ae18715d5b7a71d47aa8389efebe2d
SHA2568c974dff5ce6c4992ba61ce45a5fcd15d6de8af9f6bdf38800e145f44e9e1f8f
SHA512a832f25657d6ff453eb98b0429acc6d7204d62debc43ebdfa6da8e1e9967fc3be780341fbfe81e83cfc920d2177d226e5a3a613f5efe5b760451a27daf991bf3
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD5a42ad5e3099944a511641162a40ba16f
SHA16c2b87776a7e178371e9c309ec418a78124f42f8
SHA2567a5140ceee9b606f630e980123fc9b6b2446d0a2048d29f1be1bfdab36771bad
SHA512ba3970715bf6bb09f2a29809290f15968561cec9c7377ee7a61c3fd67682093d2231ae696d4b4fd339f95bda3416e79fa585d8bf0a33c56193f97a99b4199acf
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD596c76c378655207720536bc15e8511f3
SHA1afcf5048bce4c4c4a61f4643aedc8330f02586d7
SHA256062593d31c53eb4b36e82befc31fe6e20def09d0a3bce02cc40c839495c32a26
SHA512b747a9012064dca1e7e96cfb0eaa3976e921ac5e3477a532078e519482b14549f4bdc6e68b024bf5dfde83c6409988eb9aa07b6e355fb7f4c555a0ebf1892a95
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\94308059B57B3142E455B38A6EB92015
Filesize304B
MD5ba4d6c0e1212b513beafe65c8e0ccf61
SHA136fdf629d4efa01f896855e7b70abbf49b87b0ab
SHA256fbc4200983f6852ac3cfefc12c7727d3dc5ba9e2c442b58bc668fff0f5a4f0fd
SHA5125e95cca86a0d199068b8cf112d1160a1f93a3f176948cabb50345b855ca485a2f2a6ef83847968a4f348eda83dbc743860787e5b9ad2ca0405894bd43005f9f9
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Filesize
65KB
MD5ac05d27423a85adc1622c714f2cb6184
SHA1b0fe2b1abddb97837ea0195be70ab2ff14d43198
SHA256c6456e12e5e53287a547af4103e0397cb9697e466cf75844312dc296d43d144d
SHA5126d0ef9050e41fbae680e0e59dd0f90b6ac7fea5579ef5708b69d5da33a0ece7e8b16574b58b17b64a34cc34a4ffc22b4a62c1ece61f36c4a11a0665e0536b90d
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Filesize
177KB
MD5435a9ac180383f9fa094131b173a2f7b
SHA176944ea657a9db94f9a4bef38f88c46ed4166983
SHA25667dc37ed50b8e63272b49a254a6039ee225974f1d767bb83eb1fd80e759a7c34
SHA5121a6b277611959720a9c71114957620517ad94541302f164eb872bd322292a952409bafb8bc2ac793b16ad5f25d83f8594ccff2b7834e3c2b2b941e6fc84c009a
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Filesize
3.3MB
MD5057ae9d049edd22f26ffd45af426c4ab
SHA14a1d838ae55287cf2d3b39e3f3ceb8dd10bf8188
SHA2563b207aebee069518c4fda6301cafe508e828d5116909145d9468533bddccff7b
SHA5125a19881ae226cebef4125cae1c05a7b67c8c3acf7939f2c76158e9716ad10e917c7261ebdc9a75b7623de03bd4a21851018ddbc31bd3347105f9540c7344f11c
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Filesize
8KB
MD5aa0194564a225e2f8cd4fe54f762a868
SHA18fc35b0cd12385828531941138072d36d01fc711
SHA25622eeb007664e65e77f0c9d03179e8eff0d13361b61f0c1039bfce40907e49bd3
SHA512c04617907b9f0c18c4d6be3784ec045046aede5510b0c088dfb3a322b1ea5cf04b763de1038210d7d57bede7d652d2239ebeeb81919594591f8280605de8bef0