Analysis
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max time kernel
93s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
16/01/2025, 08:11
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe
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Size
95KB
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MD5
70357ed7598c979adcc5513407dc75c9
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SHA1
253e04dd9ebaf7333fe8c38dbeec4b62f3f58683
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SHA256
1fef29fd709c0935bfb707a48d896a6bef7806302c62461fa0124df8bc8d0405
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SHA512
3885cd1c4fd059b1d1dfee60be7ea0b41a62cfc5249d22328d452074480ef3baec6ca3523fe049c3fdf1316aeb6ecb4d34ee1d5a78956bee9df739445d932173
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SSDEEP
768:906R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:bR0vxn3Pc0LCH9MtbvabUDzJYWu3B
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 1324 WaterMark.exe -
resource yara_rule behavioral2/memory/660-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/660-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/660-15-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/660-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/660-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/660-4-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/660-5-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1324-25-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1324-24-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1324-33-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/1324-36-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxF656.tmp JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1652 3400 WerFault.exe 84 -
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 JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.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 (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "80661966" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\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-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "80661966" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "82068261" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156587" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156587" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "443943573" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156587" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "82068261" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{30549316-D55E-11EF-BDBF-622000771059} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156587" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{30522FF4-D55E-11EF-BDBF-622000771059} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe 1324 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1324 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4128 iexplore.exe 3836 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 3836 iexplore.exe 3836 iexplore.exe 4128 iexplore.exe 4128 iexplore.exe 1568 IEXPLORE.EXE 1568 IEXPLORE.EXE 4148 IEXPLORE.EXE 4148 IEXPLORE.EXE 1568 IEXPLORE.EXE 1568 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 660 JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe 1324 WaterMark.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 660 wrote to memory of 1324 660 JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe 83 PID 660 wrote to memory of 1324 660 JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe 83 PID 660 wrote to memory of 1324 660 JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe 83 PID 1324 wrote to memory of 3400 1324 WaterMark.exe 84 PID 1324 wrote to memory of 3400 1324 WaterMark.exe 84 PID 1324 wrote to memory of 3400 1324 WaterMark.exe 84 PID 1324 wrote to memory of 3400 1324 WaterMark.exe 84 PID 1324 wrote to memory of 3400 1324 WaterMark.exe 84 PID 1324 wrote to memory of 3400 1324 WaterMark.exe 84 PID 1324 wrote to memory of 3400 1324 WaterMark.exe 84 PID 1324 wrote to memory of 3400 1324 WaterMark.exe 84 PID 1324 wrote to memory of 3400 1324 WaterMark.exe 84 PID 1324 wrote to memory of 4128 1324 WaterMark.exe 91 PID 1324 wrote to memory of 4128 1324 WaterMark.exe 91 PID 1324 wrote to memory of 3836 1324 WaterMark.exe 92 PID 1324 wrote to memory of 3836 1324 WaterMark.exe 92 PID 3836 wrote to memory of 1568 3836 iexplore.exe 94 PID 3836 wrote to memory of 1568 3836 iexplore.exe 94 PID 3836 wrote to memory of 1568 3836 iexplore.exe 94 PID 4128 wrote to memory of 4148 4128 iexplore.exe 93 PID 4128 wrote to memory of 4148 4128 iexplore.exe 93 PID 4128 wrote to memory of 4148 4128 iexplore.exe 93
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_70357ed7598c979adcc5513407dc75c9.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:660 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"2⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:1324 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:3400
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3400 -s 2084⤵
- Program crash
PID:1652
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4128 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4128 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4148
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:3836 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3836 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1568
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3400 -ip 34001⤵PID:1384
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
95KB
MD570357ed7598c979adcc5513407dc75c9
SHA1253e04dd9ebaf7333fe8c38dbeec4b62f3f58683
SHA2561fef29fd709c0935bfb707a48d896a6bef7806302c62461fa0124df8bc8d0405
SHA5123885cd1c4fd059b1d1dfee60be7ea0b41a62cfc5249d22328d452074480ef3baec6ca3523fe049c3fdf1316aeb6ecb4d34ee1d5a78956bee9df739445d932173
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD537827a5b375c40c1d7c482099e06c5bb
SHA148a43de39625e410113ec4d2d3e355535c7163a9
SHA256ffbd974e64098b8a4b5abe5633fe019780fb5eb4fb52418810fbbdc50084ef51
SHA512e14bdded02c844462222ce326d91cfc2403f2fb164911a7b1401cb5dcb29c804383cf554304a5ea8465d743ef2f0fa78e6cba3f064dad02cd00076c1ac5f843e
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5cc42ca555c201db5372149ae8ace923d
SHA1c0d66fdd405824a7b64923be565c5b7cd7d34c75
SHA256d7fdf44d97226251b1c18f3da34e283dbf2803e60b302c402ed6c77d02634b73
SHA512b67c4d1ec2badbbc384642913306021c750873e8dbd51f74acababf9a5598b7ce6b241a61888bbc2411e8b2cc0122c052dc6fc2789480ebf2b327270996441de
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5893b06a21ff8aca5e861edc298788f7e
SHA1a7f8d7805830a68866346b0ce22d21e2fa25a5af
SHA256380e37b0f97ae6e6567f1ad4b44201f07fcbb4a69f6359affdd060c292946ec8
SHA5120b10627168d77f866620ecd33af399ae6660ca34c1942665148658a79c28d34dff63069072310fd1b6ee38e5c1b3778781283be210e7184726f993b4e9355052
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{30522FF4-D55E-11EF-BDBF-622000771059}.dat
Filesize5KB
MD5740cdfe8522c6eaf99dc22e1ce56982a
SHA15c7e721a959d99c97e0e943b64f43cb14afe90b4
SHA2560ec90d33deb2241a8e861f244758e13d055df16c209bb1bfbe93a3ec3c8a6cc8
SHA512b740797df18563f2c1a084702bc8d228e295b21dd6b57437b1693ffcb620483f0ebf9217583b74d92a738ea814cf2d9c825cc44238252d116c1b0a773d5f34db
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{30549316-D55E-11EF-BDBF-622000771059}.dat
Filesize3KB
MD5be65fb40e5177e7115225645c91f07e5
SHA1c1f0e82f8023b88fc6f25200965ceeedbecd9b46
SHA25658ac9a5544fc4b29375f97447411e45924f1a6182b5f198fdf2b6506f47be16e
SHA5124770333127233834582b9559dcb63acee441b7f43af2a42b1c46e1868c9d5e7eb4582ba8c548ae8bfc93db475d8d05c822b49793eaab5a335e74c8c5eca30df7
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee