Analysis
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max time kernel
95s -
max time network
124s -
platform
windows10-2004_x64 -
resource
win10v2004-20250129-en -
resource tags
arch:x64arch:x86image:win10v2004-20250129-enlocale:en-usos:windows10-2004-x64system -
submitted
28-01-2025 12:08
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_4ab43bfba422980fc6bf891ff4ea6f02.dll
Resource
win7-20240903-en
General
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Target
JaffaCakes118_4ab43bfba422980fc6bf891ff4ea6f02.dll
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Size
220KB
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MD5
4ab43bfba422980fc6bf891ff4ea6f02
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SHA1
cb33bf506d8e82fb520770f8ef3536bdfc8ce621
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SHA256
48dcac2cacf0c7730f38ec31f4c03901387d948da4c1820a92b069e500346fb3
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SHA512
ef5ca8322309e0ce4fd165fae9e1034a3fe4f493d4787d1708509c518cbb77f43e10cb22ad6dd0942c14a226ab946533d6827e196f13f1c8df8be6207059bcb6
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SSDEEP
3072:DvXmimD0k0QRW1PhI1sItKOgGdX3DUPTYnZIRYkdPiDk2XHGBuzenxBkEsg:D+fD/0QSzItKOgGFYbYVkdPSX5z2o7g
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 5072 rundll32mgr.exe 2324 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/5072-15-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5072-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5072-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5072-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5072-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5072-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5072-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2324-29-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2324-30-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2324-37-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2324-38-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2324-42-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/2324-43-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe File opened for modification C:\Program Files (x86)\Microsoft\px91B1.tmp rundll32mgr.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe rundll32mgr.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3248 4224 WerFault.exe 87 -
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 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 -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "254998920" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158890" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158890" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444932721" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158890" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31158890" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3A7F850D-DE5D-11EF-AE41-DE13571FC1F8} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "249217374" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "249217374" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "254998920" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{3A81E7C7-DE5D-11EF-AE41-DE13571FC1F8} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\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 (data) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2436272344-4274332273-444425594-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe 2324 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2324 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 868 iexplore.exe 1728 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 868 iexplore.exe 868 iexplore.exe 1728 iexplore.exe 1728 iexplore.exe 5008 IEXPLORE.EXE 5008 IEXPLORE.EXE 1856 IEXPLORE.EXE 1856 IEXPLORE.EXE 5008 IEXPLORE.EXE 5008 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 5072 rundll32mgr.exe 2324 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 4572 wrote to memory of 2424 4572 rundll32.exe 81 PID 4572 wrote to memory of 2424 4572 rundll32.exe 81 PID 4572 wrote to memory of 2424 4572 rundll32.exe 81 PID 2424 wrote to memory of 5072 2424 rundll32.exe 84 PID 2424 wrote to memory of 5072 2424 rundll32.exe 84 PID 2424 wrote to memory of 5072 2424 rundll32.exe 84 PID 5072 wrote to memory of 2324 5072 rundll32mgr.exe 85 PID 5072 wrote to memory of 2324 5072 rundll32mgr.exe 85 PID 5072 wrote to memory of 2324 5072 rundll32mgr.exe 85 PID 2324 wrote to memory of 4224 2324 WaterMark.exe 87 PID 2324 wrote to memory of 4224 2324 WaterMark.exe 87 PID 2324 wrote to memory of 4224 2324 WaterMark.exe 87 PID 2324 wrote to memory of 4224 2324 WaterMark.exe 87 PID 2324 wrote to memory of 4224 2324 WaterMark.exe 87 PID 2324 wrote to memory of 4224 2324 WaterMark.exe 87 PID 2324 wrote to memory of 4224 2324 WaterMark.exe 87 PID 2324 wrote to memory of 4224 2324 WaterMark.exe 87 PID 2324 wrote to memory of 4224 2324 WaterMark.exe 87 PID 2324 wrote to memory of 1728 2324 WaterMark.exe 91 PID 2324 wrote to memory of 1728 2324 WaterMark.exe 91 PID 2324 wrote to memory of 868 2324 WaterMark.exe 92 PID 2324 wrote to memory of 868 2324 WaterMark.exe 92 PID 868 wrote to memory of 5008 868 iexplore.exe 93 PID 868 wrote to memory of 5008 868 iexplore.exe 93 PID 868 wrote to memory of 5008 868 iexplore.exe 93 PID 1728 wrote to memory of 1856 1728 iexplore.exe 94 PID 1728 wrote to memory of 1856 1728 iexplore.exe 94 PID 1728 wrote to memory of 1856 1728 iexplore.exe 94
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ab43bfba422980fc6bf891ff4ea6f02.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:4572 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_4ab43bfba422980fc6bf891ff4ea6f02.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2424 -
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:5072 -
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:2324 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:4224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4224 -s 2046⤵
- Program crash
PID:3248
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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:1728 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:1728 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1856
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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:868 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:868 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:5008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 412 -p 4224 -ip 42241⤵PID:1016
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{3A7F850D-DE5D-11EF-AE41-DE13571FC1F8}.dat
Filesize3KB
MD5d8b1f5782f1847dff33684a6bad46628
SHA10d5c9176b23c3ff4bed0b641d06591302e263957
SHA256ce6ca742e6ede22b70008319016e9068023ac6cf2015ef5f81d04279df526191
SHA5122c738323fce4f88302e4d7cfe373be68c88e2d24973f9e4a11aaf23c8c47ad7c0f000a84e8b82ed5d81d94deee162ffd35b468935dc451efd6af528bce99fe56
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{3A81E7C7-DE5D-11EF-AE41-DE13571FC1F8}.dat
Filesize5KB
MD5cb0bddfb4f9911645159995bc676e6da
SHA1e129fb80dd462fb5c8b89baa8d656f7b3976cda5
SHA256fe32e54e1161f90555ef19437124af809085fb7fcaa9833dd070a41ebdcc471c
SHA51296238d8cecc6446ed8b810c1cd244d82e064820009e804bf38596e54d2c5ff580a348b5ce65a1644a66672980493ffffdc73af6b6375e3d9b34bb4f94f977dc2
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
126KB
MD59961d226143593433b2164bedd8fc33a
SHA1c0ed8b6aae0e47494b2cc170745a65da5a373f88
SHA2568134a12307ac756be0d7bae06452428f5728b630faab3bc040b9233d73a0c993
SHA5127e963cd8f09047cce3241c038d799777ae00555e4dd56434505a3b070c7e46ac88e4d2581acbdd4ea5d5d867edfa6a6be54c5f0db17e7052434344d82e7f2393