Analysis
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max time kernel
93s -
max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
28-01-2025 00:52
General
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Target
JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe
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Size
111KB
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MD5
4533bfbbe7fc996e2ee1894ff0c95f33
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SHA1
9af308f8c517b1723f44b79db116d97a054fbf94
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SHA256
58abf1fe658d6402501e983d57512bd949697d392adc0f1f4c19db1fd87a1b0c
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SHA512
6a2a65d419066676875df92a947535f479b317e76d65b8511d973d19e0c2a095685092e559024294b9380d52476ac2ef5aabb6b8c7fa112962c6ea080e2390f7
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SSDEEP
1536:4+hzRsibKplyXTq8OGRnsPFG+RODTb7MXL5uXZnzEhvxizfEIw7aWT6A+cNS+4u:TROzoTq0+RO7IwnYpGA7k+4BuBmi
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 400 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exe 2020 DesktopLayer.exe -
resource yara_rule behavioral1/memory/668-0-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral1/files/0x000c000000023b32-3.dat upx behavioral1/memory/668-8-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral1/memory/668-11-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral1/memory/668-17-0x0000000000400000-0x000000000043D000-memory.dmp upx behavioral1/memory/2020-21-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/2020-16-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/400-7-0x0000000000400000-0x000000000042E000-memory.dmp upx behavioral1/memory/400-4-0x0000000000400000-0x000000000042E000-memory.dmp upx -
Drops file in Program Files directory 5 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\DesktopLayer.exe JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exe File opened for modification C:\Program Files (x86)\Microsoft\px7484.tmp JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe File opened for modification C:\Program Files (x86)\Microsoft\px7474.tmp JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exe File created C:\Program Files (x86)\Microsoft\DesktopLayer.exe JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exe -
System Location Discovery: System Language Discovery 1 TTPs 5 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 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language DesktopLayer.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.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\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\VersionManager 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 (data) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 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\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158558" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444790525" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{265F8334-DD12-11EF-AF2A-CAFD856C81B1} = "0" 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\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4213418151" 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 = "31158558" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4213418151" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158558" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion 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 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\LastCheckForUpdateLowDateTime = "4209668206" 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\Recovery\AdminActive\{266B6F5C-DD12-11EF-AF2A-CAFD856C81B1} = "0" 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\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ 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 Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive 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 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\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158558" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" 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 (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 (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "4209668206" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 2020 DesktopLayer.exe 2020 DesktopLayer.exe 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 2020 DesktopLayer.exe 2020 DesktopLayer.exe 2020 DesktopLayer.exe 2020 DesktopLayer.exe 2020 DesktopLayer.exe 2020 DesktopLayer.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4424 iexplore.exe 2568 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4424 iexplore.exe 4424 iexplore.exe 2568 iexplore.exe 2568 iexplore.exe 4940 IEXPLORE.EXE 4940 IEXPLORE.EXE 3088 IEXPLORE.EXE 3088 IEXPLORE.EXE 4940 IEXPLORE.EXE 4940 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 16 IoCs
description pid Process procid_target PID 668 wrote to memory of 400 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 83 PID 668 wrote to memory of 400 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 83 PID 668 wrote to memory of 400 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 83 PID 400 wrote to memory of 2020 400 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exe 85 PID 400 wrote to memory of 2020 400 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exe 85 PID 400 wrote to memory of 2020 400 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exe 85 PID 668 wrote to memory of 2568 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 84 PID 668 wrote to memory of 2568 668 JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe 84 PID 2020 wrote to memory of 4424 2020 DesktopLayer.exe 86 PID 2020 wrote to memory of 4424 2020 DesktopLayer.exe 86 PID 4424 wrote to memory of 4940 4424 iexplore.exe 87 PID 4424 wrote to memory of 4940 4424 iexplore.exe 87 PID 4424 wrote to memory of 4940 4424 iexplore.exe 87 PID 2568 wrote to memory of 3088 2568 iexplore.exe 88 PID 2568 wrote to memory of 3088 2568 iexplore.exe 88 PID 2568 wrote to memory of 3088 2568 iexplore.exe 88
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:668 -
C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exeC:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4533bfbbe7fc996e2ee1894ff0c95f33Srv.exe2⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:400 -
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:2020 -
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:4424 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4424 CREDAT:17410 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4940
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"2⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2568 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2568 CREDAT:17410 /prefetch:23⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3088
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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
MD565ff4e1a660b03c192195dc09416d8a8
SHA1c8e9c1b5d0e74e2f581eaa06d77db42ddb2b24b9
SHA25625f890730498e80c6b85f0ca869917f45af6cadbb427695a615181eac3285dc2
SHA5123efa3c79d74861659b4e6e97b362fb4943eeae2e81425029bbf407fb2c4c914bc2d2b43bc8164e9ed050cdb24f411a8582e086eb3557227ad79ec2256c5a52ba
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5d21e62bb0a1ac32df2b4a11dce0d358b
SHA15871c8c6509dee612b5cb50dd6b2a514ba597165
SHA2560b25f8499f9e776c8899c7f79917bf586d4d688a407744ffff39026ca753b935
SHA512b1e452df45f5829444c27e5df48d34b214a16c1c4d35624f03be307aa7b0a878489b78c829332d785de3fddd62fde11d89859d419008ed4da691482c10856590
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{265F8334-DD12-11EF-AF2A-CAFD856C81B1}.dat
Filesize3KB
MD5d8853613b672ea38258ecc7d90998f8f
SHA1ff56847d5f6c12bf0adc2ab6b2153d3f0b900819
SHA25606ac9f2f98c702cf2a3f8cd95f84df445159bab98c61d59c415df7693fdf40b2
SHA5124fb165a3c1b432114d8de91c6f673c4d77c1b3577c88c37d31c76102ee7b8b7d3536b3ad598297fb080d2e59bbaf1315910288badeda24fca22bc820dd4932cb
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{266B6F5C-DD12-11EF-AF2A-CAFD856C81B1}.dat
Filesize5KB
MD51704cd12799caf04eb30d2968ac081dc
SHA14ff3592ae078aaedbf99d20dce08d48862e217cd
SHA2563ec59c47ab679e0af0afb9272fd4ce406b891e2401894bb5c08630fad371ee6e
SHA51297f7d6b4b2f78db1166ac59e5bb65443196fedecec5a8ffa3dbfbd75976724c41bb845c058810806219af6fa04ef47f384f491377056da235357de3579a7dcc9
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
55KB
MD5ff5e1f27193ce51eec318714ef038bef
SHA1b4fa74a6f4dab3a7ba702b6c8c129f889db32ca6
SHA256fd6c69c345f1e32924f0a5bb7393e191b393a78d58e2c6413b03ced7482f2320
SHA512c9d654ead35f40eea484a3dc5b5d0a44294b9e7b41a9bacdafdd463d3de9daa2a43237a5f113f6a9c8ea5e1366823fd3d83da18cd8197aa69a55e9f345512a7a