Analysis
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max time kernel
93s -
max time network
148s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
20-01-2025 16:13
Static task
static1
Behavioral task
behavioral1
Sample
JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe
Resource
win7-20240903-en
General
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Target
JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe
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Size
147KB
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MD5
efdf5ca8fb4fbf17631eea3332307f30
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SHA1
0895aab389be46cf0c5c4ec84a3121f6399351e7
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SHA256
10cc9ca2c7b4dc78c99116bb76822735cf571c37d19c39a89bdbf2a739f2f3e3
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SHA512
d41f531f30b9708de360926c77304cb2f3fc1c82c10f5cbca94b50cbf97e8b7c4b820000d75433a3d0b87d3b11a89d5952a776fe6137d5ab31c7f2b9b468bd03
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SSDEEP
1536:HR0Mn3Pc0LCH9MtbvabUDzJYWu3BmiIuw22Jn1fbO4V:HR/n3k0CdM1vabyzJYWqQa2
Malware Config
Signatures
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Ramnit family
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Executes dropped EXE 1 IoCs
pid Process 4104 WaterMark.exe -
resource yara_rule behavioral2/memory/5008-7-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5008-11-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5008-13-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5008-10-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4104-27-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4104-22-0x0000000000400000-0x000000000044E000-memory.dmp upx behavioral2/memory/5008-6-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5008-4-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/5008-3-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4104-36-0x0000000000400000-0x0000000000421000-memory.dmp upx behavioral2/memory/4104-37-0x0000000000400000-0x0000000000421000-memory.dmp upx -
Drops file in Program Files directory 3 IoCs
description ioc Process File opened for modification C:\Program Files (x86)\Microsoft\px8685.tmp JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe File created C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe File opened for modification C:\Program Files (x86)\Microsoft\WaterMark.exe JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 508 532 WerFault.exe 83 -
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 WaterMark.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 JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe -
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157078" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157078" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1510493930" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157078" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{8586EC25-D749-11EF-ADF2-7ECF469E42CC} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1509712608" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{85894F04-D749-11EF-ADF2-7ECF469E42CC} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1509712608" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31157078" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\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-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "1510493930" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff3e0000003e000000c4040000a3020000 iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4089630652-1596403869-279772308-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "444154599" iexplore.exe -
Suspicious behavior: EnumeratesProcesses 16 IoCs
pid Process 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe 4104 WaterMark.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 4104 WaterMark.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 2544 iexplore.exe 2144 iexplore.exe -
Suspicious use of SetWindowsHookEx 10 IoCs
pid Process 2144 iexplore.exe 2144 iexplore.exe 2544 iexplore.exe 2544 iexplore.exe 2872 IEXPLORE.EXE 2872 IEXPLORE.EXE 1816 IEXPLORE.EXE 1816 IEXPLORE.EXE 2872 IEXPLORE.EXE 2872 IEXPLORE.EXE -
Suspicious use of UnmapMainImage 2 IoCs
pid Process 5008 JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe 4104 WaterMark.exe -
Suspicious use of WriteProcessMemory 22 IoCs
description pid Process procid_target PID 5008 wrote to memory of 4104 5008 JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe 82 PID 5008 wrote to memory of 4104 5008 JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe 82 PID 5008 wrote to memory of 4104 5008 JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe 82 PID 4104 wrote to memory of 532 4104 WaterMark.exe 83 PID 4104 wrote to memory of 532 4104 WaterMark.exe 83 PID 4104 wrote to memory of 532 4104 WaterMark.exe 83 PID 4104 wrote to memory of 532 4104 WaterMark.exe 83 PID 4104 wrote to memory of 532 4104 WaterMark.exe 83 PID 4104 wrote to memory of 532 4104 WaterMark.exe 83 PID 4104 wrote to memory of 532 4104 WaterMark.exe 83 PID 4104 wrote to memory of 532 4104 WaterMark.exe 83 PID 4104 wrote to memory of 532 4104 WaterMark.exe 83 PID 4104 wrote to memory of 2144 4104 WaterMark.exe 87 PID 4104 wrote to memory of 2144 4104 WaterMark.exe 87 PID 4104 wrote to memory of 2544 4104 WaterMark.exe 88 PID 4104 wrote to memory of 2544 4104 WaterMark.exe 88 PID 2144 wrote to memory of 1816 2144 iexplore.exe 89 PID 2144 wrote to memory of 1816 2144 iexplore.exe 89 PID 2144 wrote to memory of 1816 2144 iexplore.exe 89 PID 2544 wrote to memory of 2872 2544 iexplore.exe 90 PID 2544 wrote to memory of 2872 2544 iexplore.exe 90 PID 2544 wrote to memory of 2872 2544 iexplore.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe"C:\Users\Admin\AppData\Local\Temp\JaffaCakes118_efdf5ca8fb4fbf17631eea3332307f30.exe"1⤵
- Drops file in Program Files directory
- System Location Discovery: System Language Discovery
- Suspicious use of UnmapMainImage
- Suspicious use of WriteProcessMemory
PID:5008 -
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:4104 -
C:\Windows\SysWOW64\svchost.exeC:\Windows\system32\svchost.exe3⤵PID:532
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 532 -s 2044⤵
- Program crash
PID:508
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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:2144 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2144 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1816
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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:2544 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:2544 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:2872
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 416 -p 532 -ip 5321⤵PID:3060
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
147KB
MD5efdf5ca8fb4fbf17631eea3332307f30
SHA10895aab389be46cf0c5c4ec84a3121f6399351e7
SHA25610cc9ca2c7b4dc78c99116bb76822735cf571c37d19c39a89bdbf2a739f2f3e3
SHA512d41f531f30b9708de360926c77304cb2f3fc1c82c10f5cbca94b50cbf97e8b7c4b820000d75433a3d0b87d3b11a89d5952a776fe6137d5ab31c7f2b9b468bd03
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize471B
MD50ada2095c461df5a751955aa41dd491e
SHA18366c54b31e1ddc8016aa22aab8c83f73c690810
SHA25680cd542688ed3a45669b53243c3f4922d6eb21a34d8dfeebc6c101484d3bac09
SHA512135991affe343d4358bb15a693effa7a6813d6715e555729d2aa04a98555e13fded55d3100a41a92a5beb57c68fbdacb199a3e66407944e37880b28d42d79e7c
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD5457c0317151d882adc38091d32ad3064
SHA1b7e7ca548720a2140944e61bed6235beb4f453fd
SHA2562f33f1292b13b00ee7f72bebf9aff3b3eaa016190777d0fae5181445cb94c6fc
SHA5124a2801f808850064d875d9895d7d7b9ff2ffa9642e3c47570de8ae4fe15e677b85ec81cb5b9a3a56199fefd858607d0995bee6a48fb2c1c787e94da2d1a2d93e
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{8586EC25-D749-11EF-ADF2-7ECF469E42CC}.dat
Filesize3KB
MD551c5fa185440e86a6d61584ddc670c80
SHA15330387f581eb78459f1cec684e4f1d1c2f5c510
SHA2567eef387073d54429c71ebb63389e9d497e495294058dc4efd3ffb1a521be8dce
SHA512fd6f602ca0c253af41ec5ecea9e903ac19120377124795f907e491375560584a5c71aa7bfddc2fc192a738c33790c860c6282d5635082e8aae502c6dcc94c5c5
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C:\Users\Admin\AppData\Local\Microsoft\Internet Explorer\Recovery\High\Active\RecoveryStore.{85894F04-D749-11EF-ADF2-7ECF469E42CC}.dat
Filesize5KB
MD55e9c477bd639999c4e4324d1c92662aa
SHA125b317b4dc3717ed58b421ffcd42122ca70ad928
SHA256c61aa5158c95d3ea12f7a489c915f48cde831ab66c3251573ce5fb2843af5197
SHA51209c7c87028dbac09512959b496357fc08bbcb512aa385c6ba373925b1f6d0ec7015253fd75543ed1ae0678f37803e3ad585a46b4951da0c4207241f480fd8639
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee