Analysis
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max time kernel
93s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
22-01-2025 21:01
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_11104cb4970494f5fc485a2839d97fe7.dll
Resource
win7-20240903-en
General
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Target
JaffaCakes118_11104cb4970494f5fc485a2839d97fe7.dll
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Size
228KB
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MD5
11104cb4970494f5fc485a2839d97fe7
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SHA1
a5528a3fbe8eda0e527aa5e932481396ab4e6231
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SHA256
39d1de6a1fb303175651fe8001f5aa358f26342d0c5a1f6a47fd929a01faca5c
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SHA512
e9ef07ca5b4c653a35567521137dd06b1ed9a525e3c6dce6771c23dc15a80f2511e772f1b571cb4ce05329e637de73b263be90e60d4482df84b1f5618be2ff9d
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SSDEEP
3072:wgKKuiX63bw5dNjDh8pWVgTlFIYnFFD6DOM2iU0BVRoO9:hKZp3KNjVGvFF+SM2inhoW
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 2896 rundll32mgr.exe 4576 WaterMark.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral2/memory/2896-17-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2896-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2896-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2896-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2896-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4576-32-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral2/memory/4576-33-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2896-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2896-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4576-41-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4576-42-0x0000000000400000-0x00000000004E6000-memory.dmp upx behavioral2/memory/4576-43-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px8BF4.tmp rundll32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1488 3672 WerFault.exe 86 -
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 IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32mgr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process 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 (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3572462913" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157520" 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\Recovery\AdminActive\{00160228-D904-11EF-AF2A-EE8B2F3CE00B} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" 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 = "3568399958" 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 Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157520" 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 = "31157520" 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\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch 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 = "0" 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\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3566993859" 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\Recovery\AdminActive 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 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\Recovery\PendingRecovery\AdminActive = "1" 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\DomainSuggestion\NextUpdateDate = "444344643" 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 = "31157520" 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\Main\CompatibilityFlags = "0" 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 (int) \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0015DB18-D904-11EF-AF2A-EE8B2F3CE00B} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Main 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\Main 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 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\VersionManager\LastCheckForUpdateLowDateTime = "3568399958" 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 Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-493223053-2004649691-1575712786-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery 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 -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe 4576 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4576 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 684 iexplore.exe 4936 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 4936 iexplore.exe 4936 iexplore.exe 684 iexplore.exe 684 iexplore.exe 3124 IEXPLORE.EXE 3124 IEXPLORE.EXE 1972 IEXPLORE.EXE 1972 IEXPLORE.EXE 3124 IEXPLORE.EXE 3124 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 2896 rundll32mgr.exe 4576 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 1504 wrote to memory of 3504 1504 rundll32.exe 83 PID 1504 wrote to memory of 3504 1504 rundll32.exe 83 PID 1504 wrote to memory of 3504 1504 rundll32.exe 83 PID 3504 wrote to memory of 2896 3504 rundll32.exe 84 PID 3504 wrote to memory of 2896 3504 rundll32.exe 84 PID 3504 wrote to memory of 2896 3504 rundll32.exe 84 PID 2896 wrote to memory of 4576 2896 rundll32mgr.exe 85 PID 2896 wrote to memory of 4576 2896 rundll32mgr.exe 85 PID 2896 wrote to memory of 4576 2896 rundll32mgr.exe 85 PID 4576 wrote to memory of 3672 4576 WaterMark.exe 86 PID 4576 wrote to memory of 3672 4576 WaterMark.exe 86 PID 4576 wrote to memory of 3672 4576 WaterMark.exe 86 PID 4576 wrote to memory of 3672 4576 WaterMark.exe 86 PID 4576 wrote to memory of 3672 4576 WaterMark.exe 86 PID 4576 wrote to memory of 3672 4576 WaterMark.exe 86 PID 4576 wrote to memory of 3672 4576 WaterMark.exe 86 PID 4576 wrote to memory of 3672 4576 WaterMark.exe 86 PID 4576 wrote to memory of 3672 4576 WaterMark.exe 86 PID 4576 wrote to memory of 4936 4576 WaterMark.exe 91 PID 4576 wrote to memory of 4936 4576 WaterMark.exe 91 PID 4576 wrote to memory of 684 4576 WaterMark.exe 92 PID 4576 wrote to memory of 684 4576 WaterMark.exe 92 PID 4936 wrote to memory of 1972 4936 iexplore.exe 94 PID 4936 wrote to memory of 1972 4936 iexplore.exe 94 PID 4936 wrote to memory of 1972 4936 iexplore.exe 94 PID 684 wrote to memory of 3124 684 iexplore.exe 95 PID 684 wrote to memory of 3124 684 iexplore.exe 95 PID 684 wrote to memory of 3124 684 iexplore.exe 95
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11104cb4970494f5fc485a2839d97fe7.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1504 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_11104cb4970494f5fc485a2839d97fe7.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3504 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Executes dropped EXE
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:2896 -
C:\Program Files (x86)\Microsoft\WaterMark.exe"C:\Program Files (x86)\Microsoft\WaterMark.exe"4⤵
- 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:4576 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:3672
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3672 -s 2046⤵
- Program crash
PID:1488
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4936 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4936 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1972
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe"5⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:684 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:684 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3124
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 3672 -ip 36721⤵PID:3152
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
MD52c48c73220d62a8faffe599e95896274
SHA1452cd4222360fe7e881055d815ec65a2bbac564b
SHA25635a3978f9dea3056b0c4a0a1945d785bb7a0022484782f414fa9ffa04f3d5967
SHA5126547f2798297acc7ac11506328ef05f29074655f3e5a60adb188106c769806a2b1a8a15c7bd38c39da560df7df953798561398245667095536fc5748692cc9d8
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD53ee80916ae02be24ffddc86fff736fc8
SHA13dc0460cc2e4cbbbb86689dbec4d5ab65e41a2a2
SHA256dc74999a6d078f0376ba594405f42b20160304c2edf8b9a493bfc805d9f8c398
SHA51274134e3b9a23451b589ca77dd693cec536d0c2827d67c01430edd8ce333d2713b97c185ec69bd23ec8f5260d30e2d289ac95084e7e7ecca3c65692e581ecf4c5
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{0015DB18-D904-11EF-AF2A-EE8B2F3CE00B}.dat
Filesize3KB
MD58fcbf68af3f4298ac280802b65b38e4c
SHA133655fd6dd943e65d6d48e34e523df803d6538cc
SHA25650fc8ef7bf05d320b9f466833234a406c64a9e8149e1405988f42f349713c9b4
SHA512ebb7955184dfd0d5cd3f8c0ee4b9b11e5672390a6ccb52a2d91fcae325e02e5c67c4e134defd2d27681277e5996723a1b453fddd198b24b0bca1fdeceb060d9a
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{00160228-D904-11EF-AF2A-EE8B2F3CE00B}.dat
Filesize5KB
MD590cd5373f7e184a6194526f49c25f962
SHA186cce0ef1ac87c8481f4cbb5526570b6a52f711f
SHA256fb3eb146d87f4d7cfc92905e2dee5982a6945ace2de8c85187c7ebabbd4c94e2
SHA512c8767435843aded37bfef3aa22a441de08296e372dba7303c74d73ad9f1429b47dc12f1edc13f016db7398b9c1fca0c3b54e1b126074386738a201b662c8a2ad
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
112KB
MD58a04558595485ce4e50f94301ef76535
SHA16fbb5ead4c083e2257be8fbadc386bb4b1a874e9
SHA2566d4b385cb816f26f78500326392dd5795857697aebc1678da82463c70b02b36b
SHA51287dfa39743490a51090c81e38cc9393ee48a1b3b51bfe451f73b72db34a65ac9f08447cbbd9b5e05363474248eb961c5b579cc06bb2957101caf19860792cdd3