Analysis
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max time kernel
95s -
max time network
144s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
19-01-2025 00:15
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe
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Size
251KB
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MD5
b83f957e4482f9a995751e4437f1f659
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SHA1
ac3876c2f7e64940816b40082fcee22059e8c1b5
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SHA256
215e72efd559092750b8b0657b59033075e4e53db34938f9fb088fedc786b280
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SHA512
964e100c95c893441bdc35a01e2d26ce4d690679df0078b458a74277ca649d86092ac348328c75b82ad9f4710a043d9ad26d5dee2df583f1a6a74f6000db7dac
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SSDEEP
768:O06R0UKzOgnKqGR7//GPc0LOBhvBrHks3IiyhDYQbGmxlNaM+WGa1wuxnzgOYw9Y:cR0vxn3Pc0LCH9MtbvabUDzJYWu3B
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 3972 WaterMark.exe -
resource yara_rule behavioral2/memory/4244-2-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-4-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-8-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-9-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-3-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-12-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-14-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4244-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3972-28-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3972-37-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/3972-38-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\pxA364.tmp JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 3144 2196 WerFault.exe 86 -
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 IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language WaterMark.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{766275EF-D5FA-11EF-B319-EE81E66BE9E9} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (data) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156743" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{76601380-D5FA-11EF-B319-EE81E66BE9E9} = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444010692" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156743" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1258477479" IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156743" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\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-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1255665190" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1255665190" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1258477479" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-2878641211-696417878-3864914810-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31156743" IEXPLORE.EXE -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe 3972 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 3972 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3336 iexplore.exe 2856 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 3336 iexplore.exe 3336 iexplore.exe 2856 iexplore.exe 2856 iexplore.exe 3240 IEXPLORE.EXE 3240 IEXPLORE.EXE 1844 IEXPLORE.EXE 1844 IEXPLORE.EXE 3240 IEXPLORE.EXE 3240 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 4244 JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe 3972 WaterMark.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 4244 wrote to memory of 3972 4244 JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe 85 PID 4244 wrote to memory of 3972 4244 JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe 85 PID 4244 wrote to memory of 3972 4244 JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe 85 PID 3972 wrote to memory of 2196 3972 WaterMark.exe 86 PID 3972 wrote to memory of 2196 3972 WaterMark.exe 86 PID 3972 wrote to memory of 2196 3972 WaterMark.exe 86 PID 3972 wrote to memory of 2196 3972 WaterMark.exe 86 PID 3972 wrote to memory of 2196 3972 WaterMark.exe 86 PID 3972 wrote to memory of 2196 3972 WaterMark.exe 86 PID 3972 wrote to memory of 2196 3972 WaterMark.exe 86 PID 3972 wrote to memory of 2196 3972 WaterMark.exe 86 PID 3972 wrote to memory of 2196 3972 WaterMark.exe 86 PID 3972 wrote to memory of 3336 3972 WaterMark.exe 90 PID 3972 wrote to memory of 3336 3972 WaterMark.exe 90 PID 3972 wrote to memory of 2856 3972 WaterMark.exe 91 PID 3972 wrote to memory of 2856 3972 WaterMark.exe 91 PID 2856 wrote to memory of 1844 2856 iexplore.exe 93 PID 2856 wrote to memory of 1844 2856 iexplore.exe 93 PID 2856 wrote to memory of 1844 2856 iexplore.exe 93 PID 3336 wrote to memory of 3240 3336 iexplore.exe 94 PID 3336 wrote to memory of 3240 3336 iexplore.exe 94 PID 3336 wrote to memory of 3240 3336 iexplore.exe 94
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_b83f957e4482f9a995751e4437f1f659.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:4244 -
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:3972 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:2196
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2196 -s 2044⤵
- Program crash
PID:3144
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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:3336 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:3336 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3240
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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:2856 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2856 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1844
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 408 -p 2196 -ip 21961⤵PID:2480
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
251KB
MD5b83f957e4482f9a995751e4437f1f659
SHA1ac3876c2f7e64940816b40082fcee22059e8c1b5
SHA256215e72efd559092750b8b0657b59033075e4e53db34938f9fb088fedc786b280
SHA512964e100c95c893441bdc35a01e2d26ce4d690679df0078b458a74277ca649d86092ac348328c75b82ad9f4710a043d9ad26d5dee2df583f1a6a74f6000db7dac
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD54363732b094e06ea613be8ca268f5460
SHA1ad4d6ca8f2362a24800a1f752f99d7c55c0ce862
SHA2560bc53d2e4ba5d43da581d2eda05c56f2c3a93407b3d35c8d630507c0fb81a21d
SHA512b5c075fbcbead37980c28e3e8745339445d1e5bc4c873ca70995012c72f09dd1f4cd315faf02589be84fd6b7683673836df8d228cd94e6e6c3e3659081af4c99
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5d3826c5042dfc0c1c2b0d1ccaadab2ff
SHA1b1a3321f3a698a474b8b7a4ff4eb27441bf39ffd
SHA2566c4977739577049b598fb6f9fb30a9744d280d48a835ab9c5dcdb49a6af729e5
SHA512c02a52bbf543ec5c6901a6bd39166f3bad814ecfbdade2032d016e648ee0c806c20998e89dccb2a83277440ed65e4a877774135f2ca6552f108b332167f5ed6e
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{76601380-D5FA-11EF-B319-EE81E66BE9E9}.dat
Filesize5KB
MD5d7d080898763af40aa980df55f126e5e
SHA101e5c8c285be59ad0f17be6736091785d55f8fa9
SHA256cdde44faaeee4dc2ad7dd0e9c47b208f0b735f5c368a30dd8eadf8e1e74425d7
SHA512ac399241c098ea158fc74fc54a0e66d9ebf37a7a307bf63fea352112b2c2f50e2e58feee6fe438b1380066e6235c89fe77cfe093ebd2121229e0d50ca1701e42
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{766275EF-D5FA-11EF-B319-EE81E66BE9E9}.dat
Filesize3KB
MD5f7540599ae80044f5e29d6163f336db6
SHA14c2db28dc7c0112716c62dac84be56a4b97e13e4
SHA2568c65152b4fd28649a0412e1f733ea014e313cb3ead52e4ae46892691c37ebb79
SHA512f74e297138968a4b13575d04f4812a605f5676787e2a84d104414b71cce79a2ce641c5be6e30029c8bcd2cc41f4cf302b2ba2165727d621c389d3e40fbce1b73
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee