Analysis
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max time kernel
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max time network
151s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-12-2024 02:57
Behavioral task
behavioral1
Sample
fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118.exe
Resource
win7-20240903-en
General
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Target
fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118.exe
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Size
63KB
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MD5
fe29c5473a599a089bfd5ef63188fdab
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SHA1
17b224ffc8ece6e93079698e4e777224b16a5c3f
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SHA256
7e8c6365635025e9421da10c38918ea393e11b42d8d0460f006ae9cadb5a4ae5
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SHA512
3abc57b11adadf0469218527a758af24fb3806d1366ed427efe1c844b3c4fc2f4dbdc17f068247282057daa2cd196f690844b2455b5b985475adca25fa6579ac
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SSDEEP
1536:k9uFbKi5xntBrEyGDE1whTCetsh1nHUa:k9ebKuxnbFGDn4Lv0a
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 2720 fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exe 780 DesktopLayer.exe -
resource yara_rule behavioral2/memory/3040-0-0x0000000000400000-0x0000000000417000-memory.dmp upx behavioral2/files/0x000c000000023b9b-3.dat upx behavioral2/memory/2720-4-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/2720-8-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/780-14-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/780-13-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/780-11-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral2/memory/3040-18-0x0000000000400000-0x0000000000417000-memory.dmp upx -
Drops file in Program Files directory 4 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exe File created C:\Program Files\AppPatch\NetSyst88.dll fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118.exe File opened for modification C:\Program Files (x86)\Microsoft\px857C.tmp fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exe -
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 fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DesktopLayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3823350901" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\GPU\AdapterInfo = "vendorId=\"0x10de\",deviceID=\"0x8c\",subSysID=\"0x0\",revision=\"0x0\",version=\"10.0.19041.546\"hypervisor=\"No Hypervisor (No SLAT)\"" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3821007107" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "441342056" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0F51A13F-BDB5-11EF-AF2A-FAA11E730504} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3821007107" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31150529" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150529" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31150529" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 780 DesktopLayer.exe 780 DesktopLayer.exe 780 DesktopLayer.exe 780 DesktopLayer.exe 780 DesktopLayer.exe 780 DesktopLayer.exe 780 DesktopLayer.exe 780 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4980 iexplore.exe -
Suspicious use of SetWindowsHookEx 6 IoCs
pid Process 4980 iexplore.exe 4980 iexplore.exe 3932 IEXPLORE.EXE 3932 IEXPLORE.EXE 3932 IEXPLORE.EXE 3932 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 11 IoCs
description pid Process procid_target PID 3040 wrote to memory of 2720 3040 fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118.exe 83 PID 3040 wrote to memory of 2720 3040 fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118.exe 83 PID 3040 wrote to memory of 2720 3040 fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118.exe 83 PID 2720 wrote to memory of 780 2720 fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exe 84 PID 2720 wrote to memory of 780 2720 fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exe 84 PID 2720 wrote to memory of 780 2720 fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exe 84 PID 780 wrote to memory of 4980 780 DesktopLayer.exe 85 PID 780 wrote to memory of 4980 780 DesktopLayer.exe 85 PID 4980 wrote to memory of 3932 4980 iexplore.exe 86 PID 4980 wrote to memory of 3932 4980 iexplore.exe 86 PID 4980 wrote to memory of 3932 4980 iexplore.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3040 -
C:\Users\Admin\AppData\Local\Temp\fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exeC:\Users\Admin\AppData\Local\Temp\fe29c5473a599a089bfd5ef63188fdab_JaffaCakes118Srv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2720 -
C:\Program Files (x86)\Microsoft\DesktopLayer.exe"C:\Program Files (x86)\Microsoft\DesktopLayer.exe"3⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:780 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4980 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4980 CREDAT:17410 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3932
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD55e99ec80bb4e60401972729dff7db4f2
SHA1a68a2f47614d8afd1b7afd1e0620d32cd393e2c0
SHA2566ac6e0c6b415580d28c082f0e59f45289379890a167c088a557d3e2578b424e0
SHA5127670c7e91ae9555458275effc570e107c9ae43b02e65f9200b773f9139dfe228faf55f5c4ac5d9d713d0231e16c129baf1c289534b42ac7b4d042f370240c654
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5a079ca77c8582195bceb716f12ee89cf
SHA149e4356b6ca7696ebd23c9e890b33670f075d369
SHA2562a1cd4d8c1e67249d1940dde2b81d933935f1923ab6976a8d6e4a35afde36b17
SHA512326f73ce4a22de6ec687719cfb747859b4ea59caf98f5b1424892f08ecba6a3f3345b15525338f8c6e1701e5acab595436b8ec85d49be71ac141b13dc33cf0f6
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a