Analysis
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max time kernel
104s -
max time network
145s -
platform
windows10-2004_x64 -
resource
win10v2004-20250314-en -
resource tags
arch:x64arch:x86image:win10v2004-20250314-enlocale:en-usos:windows10-2004-x64system -
submitted
13/04/2025, 06:52
Static task
static1
General
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Target
JaffaCakes118_b3e25a8d0815d7d4bf31d6d28c6b9a8b.dll
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Size
2.4MB
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MD5
b3e25a8d0815d7d4bf31d6d28c6b9a8b
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SHA1
cfacd87ad17a33ef1890111b398c76387f003432
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SHA256
428a997315690a32b5d601cce32f6074464fdb4566426832c2055ef484de027f
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SHA512
124d229a2f22c4def3f8e5ff64d5cf0ad5804adab22ec60fc9c3c02a5e73aa304dc9a25de42eb50d1393d448ff226dbecd75c70b13769123c28f9df60d50679d
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SSDEEP
49152:B3pp9ziy5bRCrEaoWzw7ai91wgvTBBsCkh9Sp3BVcmUG8lFN6ijGUKYsVMLz6onI:B3pv+y5dIVs7aWPvTBBKh9UBVc/ln16d
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 2 IoCs
pid Process 5960 rundll32mgr.exe 224 WaterMark.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
resource yara_rule behavioral1/memory/5960-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/5960-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/5960-16-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/5960-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/5960-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/5960-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/5960-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/224-30-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/224-38-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/224-40-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral1/memory/224-42-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px6A14.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 2 IoCs
pid pid_target Process procid_target 3276 5444 WerFault.exe 86 6124 5564 WerFault.exe 90 -
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 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 Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D1B36E80-1833-11F0-9A21-EE5EE1E3FD33} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{D1B5D08E-1833-11F0-9A21-EE5EE1E3FD33} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\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-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "451292104" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3342763580-2723508992-2885672917-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe 224 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 224 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4440 iexplore.exe 6136 iexplore.exe -
Suspicious use of SetWindowsHookEx 8 IoCs
pid Process 6136 iexplore.exe 6136 iexplore.exe 4440 iexplore.exe 4440 iexplore.exe 388 IEXPLORE.EXE 388 IEXPLORE.EXE 980 IEXPLORE.EXE 980 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 5960 rundll32mgr.exe 224 WaterMark.exe -
Suspicious use of WriteProcessMemory 28 IoCs
description pid Process procid_target PID 3104 wrote to memory of 5444 3104 rundll32.exe 86 PID 3104 wrote to memory of 5444 3104 rundll32.exe 86 PID 3104 wrote to memory of 5444 3104 rundll32.exe 86 PID 5444 wrote to memory of 5960 5444 rundll32.exe 87 PID 5444 wrote to memory of 5960 5444 rundll32.exe 87 PID 5444 wrote to memory of 5960 5444 rundll32.exe 87 PID 5960 wrote to memory of 224 5960 rundll32mgr.exe 89 PID 5960 wrote to memory of 224 5960 rundll32mgr.exe 89 PID 5960 wrote to memory of 224 5960 rundll32mgr.exe 89 PID 224 wrote to memory of 5564 224 WaterMark.exe 90 PID 224 wrote to memory of 5564 224 WaterMark.exe 90 PID 224 wrote to memory of 5564 224 WaterMark.exe 90 PID 224 wrote to memory of 5564 224 WaterMark.exe 90 PID 224 wrote to memory of 5564 224 WaterMark.exe 90 PID 224 wrote to memory of 5564 224 WaterMark.exe 90 PID 224 wrote to memory of 5564 224 WaterMark.exe 90 PID 224 wrote to memory of 5564 224 WaterMark.exe 90 PID 224 wrote to memory of 5564 224 WaterMark.exe 90 PID 224 wrote to memory of 6136 224 WaterMark.exe 102 PID 224 wrote to memory of 6136 224 WaterMark.exe 102 PID 224 wrote to memory of 4440 224 WaterMark.exe 103 PID 224 wrote to memory of 4440 224 WaterMark.exe 103 PID 6136 wrote to memory of 980 6136 iexplore.exe 105 PID 6136 wrote to memory of 980 6136 iexplore.exe 105 PID 6136 wrote to memory of 980 6136 iexplore.exe 105 PID 4440 wrote to memory of 388 4440 iexplore.exe 106 PID 4440 wrote to memory of 388 4440 iexplore.exe 106 PID 4440 wrote to memory of 388 4440 iexplore.exe 106
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3e25a8d0815d7d4bf31d6d28c6b9a8b.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:3104 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b3e25a8d0815d7d4bf31d6d28c6b9a8b.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:5444 -
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:5960 -
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:224 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe5⤵PID:5564
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5564 -s 2046⤵
- Program crash
PID:6124
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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:6136 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:6136 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:980
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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:4440 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4440 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:388
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 5444 -s 6283⤵
- Program crash
PID:3276
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 404 -p 5444 -ip 54441⤵PID:5112
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 5564 -ip 55641⤵PID:3592
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187
Filesize471B
MD515edd1b18d01ba2a613d62919ed706ab
SHA1702cd3e62466b46eaa362e11fdeb5add76ba97f1
SHA256beecd9f01075baf462dfc3e075918ee42b914d03e6704f94fe1a41526a6f0f72
SHA5129176a541226bb43e5ff8ef7dcb558e44776e788ff80aff00b3ea8715a64d850b714586aafb0bdd1bac5d24b85357367a991915b89818242fb693f54edf7859f0
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187
Filesize412B
MD5d838255041aac95ef04a0179a8c2ec40
SHA111e60cc688e85fd0f75e76cc23f3e6be87c8a362
SHA25616e2fe60493632138299105e413d235cd69d892fb2c7577abbb1a0c268bdfa19
SHA512fddfe3a56a07861e2c65787f18060186e92a1cd59e859ec5d03887f712205ff5dcfbeb263236d4690285ee012337c1e8e2630f87fa28e2f6a30b388bef89342b
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\E2C6CBAF0AF08CF203BA74BF0D0AB6D5_363582827213C09529A76F35FB615187
Filesize412B
MD5d894cee5b690efd1517b9fc564da5ddb
SHA14a22435ad0e6ee65bacf4093cfbeb6474d8fac57
SHA25610f5c4b536a9c2922be72c1dadbf27d555e770d0806086e1821b29c756aec963
SHA5127537dcc940e388d8d1b8f511ba475cd48ccec2b3376831cd179f5d24424dfbd81a617b68bf19ba7cb4e79aa24112a8b7dde92bc376836bfc758f59fc2e15716e
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D1B36E80-1833-11F0-9A21-EE5EE1E3FD33}.dat
Filesize3KB
MD54d464eb7b29da95de40b748f92713f1d
SHA176bf01a0fee196524eed560f2b2ab6f6067ff3ae
SHA25601a5a64ba998f53ab19029bda84a7b4b9e903836343bf377e9a732e0d68a52c3
SHA512cea4f5e4b0c4ca343d7391a24c7d54e3ed02f483a0cdb67936b92c6464dac383363d1d57a30f0db6682a003c810f24a1f5413dbec52bfa723a5e8214bfeb8cac
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{D1B5D08E-1833-11F0-9A21-EE5EE1E3FD33}.dat
Filesize5KB
MD541954d309472d462d95b7490a053d97f
SHA1e2dd54f1334420647b77e8c610077617d4e404c6
SHA256d0c71ad90641629027d6b01116c0d0ebf177465df15b6a278edf5b7a521fda34
SHA51277c1aaaf87be7d583dfb2791a97ab16cff94787e254e1671c9b33442f49a290dd4f2ea1bfb26380da692fe74c7dce6fce1435c8f5d3577ec5145ab5f6dc0ad0c
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
60KB
MD594f2f6ffbba8e7644668b51b39983916
SHA163357bbdf90101969117983dbc0d4ed0e713c4d7
SHA256ede7603855cb37082c241c720a6650988c684eb3bcb263e5dd7b457458940fed
SHA512d04430ceac70c6fa71d07d9ee82ac2bb5e6c0641d5c9e7e5a3ed39d342e8b198f367676516a55f0653e0b88635a027b9ad220e223145b8be8df281bb6faf7156