Analysis
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max time kernel
93s -
max time network
149s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
02-01-2025 08:36
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_63da91ae47b722d57e5c1ae562c52241.dll
Resource
win7-20240903-en
General
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Target
JaffaCakes118_63da91ae47b722d57e5c1ae562c52241.dll
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Size
510KB
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MD5
63da91ae47b722d57e5c1ae562c52241
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SHA1
7813d15aaa44edf7f1ddae94a8664f91eb1b17d0
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SHA256
738f2911f4786d927b4dc24f55edbbba8415cbcb7bb3c8fecbcea7cf4f170add
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SHA512
92b82f05685c8593713659c98db833342fbdb5041c82d641246dd4037441a427b5d1eb77b7cdb30b1b3202409fce2af346c36673985670f672aa1761e7089225
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SSDEEP
12288:eLWrIYvqnklSYARvJYi3zStRBoN37KQGOMqWnGFH0hNWsb:eLWrTqkorRv2i+tRiN37tvHUIQ
Malware Config
Signatures
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Ramnit family
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Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
description ioc Process Key value queried \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Control Panel\International\Geo\Nation rundll32mgr.exe -
Executes dropped EXE 2 IoCs
pid Process 5112 rundll32mgr.exe 1600 ygliywtfahyyaiet.exe -
Drops file in System32 directory 1 IoCs
description ioc Process File created C:\Windows\SysWOW64\rundll32mgr.exe rundll32.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 3 IoCs
pid pid_target Process procid_target 784 4116 WerFault.exe 86 4780 1840 WerFault.exe 83 4880 3900 WerFault.exe 101 -
System Location Discovery: System Language Discovery 1 TTPs 7 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 ygliywtfahyyaiet.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 iexplore.exe 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 IEXPLORE.EXE -
description ioc Process Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{A3A2C3D0-C8E4-11EF-9361-EE81E66BE9E9} = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153393" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\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-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2013291313" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153393" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2014853720" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "442571954" IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2213291509" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "2013291313" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31153393" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153393" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "2014853720" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31153393" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3442511616-637977696-3186306149-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE -
Suspicious behavior: LoadsDriver 1 IoCs
pid Process 668 Process not Found -
Suspicious use of AdjustPrivilegeToken 4 IoCs
description pid Process Token: SeSecurityPrivilege 5112 rundll32mgr.exe Token: SeDebugPrivilege 5112 rundll32mgr.exe Token: SeSecurityPrivilege 1600 ygliywtfahyyaiet.exe Token: SeLoadDriverPrivilege 1600 ygliywtfahyyaiet.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 4372 IEXPLORE.EXE 4372 IEXPLORE.EXE -
Suspicious use of SetWindowsHookEx 12 IoCs
pid Process 4372 IEXPLORE.EXE 4372 IEXPLORE.EXE 1196 IEXPLORE.EXE 1196 IEXPLORE.EXE 1196 IEXPLORE.EXE 1196 IEXPLORE.EXE 4372 IEXPLORE.EXE 4372 IEXPLORE.EXE 4064 IEXPLORE.EXE 4064 IEXPLORE.EXE 4064 IEXPLORE.EXE 4064 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 43 IoCs
description pid Process procid_target PID 1660 wrote to memory of 1840 1660 rundll32.exe 83 PID 1660 wrote to memory of 1840 1660 rundll32.exe 83 PID 1660 wrote to memory of 1840 1660 rundll32.exe 83 PID 1840 wrote to memory of 5112 1840 rundll32.exe 84 PID 1840 wrote to memory of 5112 1840 rundll32.exe 84 PID 1840 wrote to memory of 5112 1840 rundll32.exe 84 PID 5112 wrote to memory of 4116 5112 rundll32mgr.exe 86 PID 5112 wrote to memory of 4116 5112 rundll32mgr.exe 86 PID 5112 wrote to memory of 4116 5112 rundll32mgr.exe 86 PID 5112 wrote to memory of 4116 5112 rundll32mgr.exe 86 PID 5112 wrote to memory of 4116 5112 rundll32mgr.exe 86 PID 5112 wrote to memory of 4116 5112 rundll32mgr.exe 86 PID 5112 wrote to memory of 4116 5112 rundll32mgr.exe 86 PID 5112 wrote to memory of 4116 5112 rundll32mgr.exe 86 PID 5112 wrote to memory of 4116 5112 rundll32mgr.exe 86 PID 5112 wrote to memory of 2284 5112 rundll32mgr.exe 95 PID 5112 wrote to memory of 2284 5112 rundll32mgr.exe 95 PID 5112 wrote to memory of 2284 5112 rundll32mgr.exe 95 PID 2284 wrote to memory of 4372 2284 iexplore.exe 96 PID 2284 wrote to memory of 4372 2284 iexplore.exe 96 PID 4372 wrote to memory of 1196 4372 IEXPLORE.EXE 97 PID 4372 wrote to memory of 1196 4372 IEXPLORE.EXE 97 PID 4372 wrote to memory of 1196 4372 IEXPLORE.EXE 97 PID 5112 wrote to memory of 3900 5112 rundll32mgr.exe 101 PID 5112 wrote to memory of 3900 5112 rundll32mgr.exe 101 PID 5112 wrote to memory of 3900 5112 rundll32mgr.exe 101 PID 5112 wrote to memory of 3900 5112 rundll32mgr.exe 101 PID 5112 wrote to memory of 3900 5112 rundll32mgr.exe 101 PID 5112 wrote to memory of 3900 5112 rundll32mgr.exe 101 PID 5112 wrote to memory of 3900 5112 rundll32mgr.exe 101 PID 5112 wrote to memory of 3900 5112 rundll32mgr.exe 101 PID 5112 wrote to memory of 3900 5112 rundll32mgr.exe 101 PID 5112 wrote to memory of 4360 5112 rundll32mgr.exe 105 PID 5112 wrote to memory of 4360 5112 rundll32mgr.exe 105 PID 5112 wrote to memory of 4360 5112 rundll32mgr.exe 105 PID 4360 wrote to memory of 2136 4360 iexplore.exe 106 PID 4360 wrote to memory of 2136 4360 iexplore.exe 106 PID 4372 wrote to memory of 4064 4372 IEXPLORE.EXE 107 PID 4372 wrote to memory of 4064 4372 IEXPLORE.EXE 107 PID 4372 wrote to memory of 4064 4372 IEXPLORE.EXE 107 PID 5112 wrote to memory of 1600 5112 rundll32mgr.exe 109 PID 5112 wrote to memory of 1600 5112 rundll32mgr.exe 109 PID 5112 wrote to memory of 1600 5112 rundll32mgr.exe 109
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63da91ae47b722d57e5c1ae562c52241.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_63da91ae47b722d57e5c1ae562c52241.dll,#12⤵
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:1840 -
C:\Windows\SysWOW64\rundll32mgr.exeC:\Windows\SysWOW64\rundll32mgr.exe3⤵
- Checks computer location settings
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:5112 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:4116
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4116 -s 2045⤵
- Program crash
PID:784
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2284 -
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:4372 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4372 CREDAT:17410 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1196
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C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4372 CREDAT:17416 /prefetch:26⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:4064
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C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe4⤵PID:3900
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 3900 -s 2045⤵
- Program crash
PID:4880
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C:\Program Files (x86)\Internet Explorer\iexplore.exe"C:\Program Files (x86)\Internet Explorer\iexplore.exe"4⤵
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4360 -
C:\Program Files\Internet Explorer\IEXPLORE.EXE"C:\Program Files\Internet Explorer\IEXPLORE.EXE"5⤵
- Modifies Internet Explorer settings
PID:2136
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C:\Users\Admin\AppData\Local\Temp\ygliywtfahyyaiet.exe"C:\Users\Admin\AppData\Local\Temp\ygliywtfahyyaiet.exe"4⤵
- Executes dropped EXE
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
PID:1600
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 1840 -s 6083⤵
- Program crash
PID:4780
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 1840 -ip 18401⤵PID:5008
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 456 -p 4116 -ip 41161⤵PID:2988
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 528 -p 3900 -ip 39001⤵PID:3484
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD530f59b20e935520badc298242cb4cff1
SHA100622b2054eb148a8459c2ccd0b22606c2d5c7f6
SHA2564a981d199e551f2b8c8fa22f0e3fbc264e876e5ed243d83331b2a6083a753e3c
SHA512f22ca09eb3266cee3f363e4f3f955745382679d136d61e7c27f81081cd77efa5f82f82220526928f73049e692b7c060f64032dfae0f967c579c6e6acfd2e8d21
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5afebcdd1f054ff917d9ed795bc22369a
SHA124af98db0fb209d9a19b6ee8807515e1c873d43c
SHA256f8fe83f7097c5e1182f3efca1b464e059a97c8b67a3557afcdffad858385e628
SHA512fcd0e64207745b35b0a4ef2193860545c22b45be51d03dd633cea357f2e92351e5f9497af88c5fb0c5c8944ad96b91a127dac5b7768aec6003bca68893b5b07f
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Filesize
15KB
MD51a545d0052b581fbb2ab4c52133846bc
SHA162f3266a9b9925cd6d98658b92adec673cbe3dd3
SHA256557472aeaebf4c1c800b9df14c190f66d62cbabb011300dbedde2dcddd27a6c1
SHA512bd326d111589d87cd6d019378ec725ac9ac7ad4c36f22453941f7d52f90b747ede4783a83dfff6cae1b3bb46690ad49cffa77f2afda019b22863ac485b406e8d
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
98KB
MD574a5197ac9806264925ff1f140242796
SHA159d0483c59c6a4fca85e72d30e656623a5266146
SHA2568e28eca59b2bcc9933a4024b3adc5feed52a4615bdbc379b39008dc67c5364ae
SHA51263976bd04c033a97659cdb5517b5eaa9b6119c6ce84f78ff5882a047c9f9f9d26b52e86b95c0709bf8d89a2120e8afb887e87ba5cb69adb4660fb6392919ad89