Analysis
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max time kernel
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max time network
143s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
08-09-2024 08:33
Static task
static1
Behavioral task
behavioral1
Sample
d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe
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Size
92KB
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MD5
d3f43337dba2364e0c0a0bd9d72ef63c
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SHA1
912e5b5b8d08adfb11797824edf12082efc7987f
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SHA256
d607a27741a77b6a33b729a503111eb71e074b96a66e2c22582b5a1c4ee07a43
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SHA512
67ed9e75ab309b55dae341c7d104e0aaa25d1e2b6626e2c0807b773e731c4825a389f5215b3c6d4f81718d7da62115aebd836bd909b446cfe667cb888d6ed0aa
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SSDEEP
1536:jKYKmc0WYufMijx4ERJOjCfatS/SXGt5e635OCbJ2M/s9WmQvhyrhQClAqACAKH:jKbmxWffftJYCyc6WS65ELOy1QClH7H
Malware Config
Signatures
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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-1-5-21-4182098368-2521458979-3782681353-1000\Control Panel\International\Geo\Nation cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winwmc32.rom,cFnUNbyAfeN" d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File opened for modification C:\Windows\SysWOW64\winwmc32.rom d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe File created C:\Windows\SysWOW64\winwmc32.rom d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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Program crash 1 IoCs
pid pid_target Process procid_target 5032 4608 WerFault.exe 82 -
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 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language IEXPLORE.EXE Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language cmd.exe -
description ioc Process Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\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-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3817292526" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31130057" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "432549399" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3817292526" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31130057" IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31130057" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{0F201A61-6DBD-11EF-9A03-F60A6DD2E828} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-4182098368-2521458979-3782681353-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3824949052" IEXPLORE.EXE -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4036 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4036 iexplore.exe 4036 iexplore.exe 3620 IEXPLORE.EXE 3620 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 4608 wrote to memory of 2024 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 86 PID 4608 wrote to memory of 2024 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 86 PID 4608 wrote to memory of 2024 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 86 PID 2024 wrote to memory of 4036 2024 cmd.exe 88 PID 2024 wrote to memory of 4036 2024 cmd.exe 88 PID 4036 wrote to memory of 3620 4036 iexplore.exe 90 PID 4036 wrote to memory of 3620 4036 iexplore.exe 90 PID 4036 wrote to memory of 3620 4036 iexplore.exe 90 PID 4608 wrote to memory of 4036 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 88 PID 4608 wrote to memory of 4036 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 88 PID 4608 wrote to memory of 3556 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 56 PID 4608 wrote to memory of 3556 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 56 PID 4608 wrote to memory of 3536 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 95 PID 4608 wrote to memory of 3536 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 95 PID 4608 wrote to memory of 3536 4608 d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe 95
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3556
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C:\Users\Admin\AppData\Local\Temp\d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\d3f43337dba2364e0c0a0bd9d72ef63c_JaffaCakes118.exe"2⤵
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:4608 -
C:\Windows\SysWOW64\cmd.execmd /c start iexplore -embedding3⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2024 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -embedding4⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4036 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4036 CREDAT:17410 /prefetch:25⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3620
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\fYAA028.bat"3⤵
- System Location Discovery: System Language Discovery
PID:3536
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4608 -s 5243⤵
- Program crash
PID:5032
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 420 -p 4608 -ip 46081⤵PID:3684
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
MD504ede744c1294fb087496e0d371511c5
SHA17f0fe32d23103dbc1c1028ffb626863a795358e6
SHA2560a4b8f0a5fa70ec6f8346ff1d99abc440b7df2ce594de520a4c88fc2a6589de3
SHA5120adf65c1bfd504779004106c4c1c41d3534eb9e5c8ae320adeb3f655b9903b7f9028ae73b6ee3d2471dae7d866bea7db001d9eea519a23b964ba31a5708c75eb
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C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\MetaData\7423F88C7F265F0DEFC08EA88C3BDE45_AA1E8580D4EBC816148CE81268683776
Filesize404B
MD545f5d3cf7bf01033463e0da53a6c71a9
SHA160a1350f72e6732ccc1a4e1c709621ee6599dc2d
SHA2565c23dcbf8e5819ac9940fa6ac0ca3dbaf3e3557f51b84c886fe642e28132eecf
SHA51282eea4c151573546aa1be8e64e1cf371a948ceeef5d5fe7bb95a8dbd73363873deb31b87f5babb4420095cf149464a771baea3ff0415f327da464c6f2c2b89bc
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
188B
MD5868982ed723924c4f0c5f3c9a18a334b
SHA1afa5465a74d025143baf570ae2ea01da13ff9979
SHA256a860577f9fb639d299bac8914354e659af95e945a61422a0f08875c9092f26b0
SHA512d2699f96c6bf58169551011dde696d76f64024760fb7fed92d2783bace5e68dd1c2a8573ca4024ddca6ac60112f83033216e860f941287f250536bb4b573a52d
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Filesize
62KB
MD57556eb6d29a596e43f6d9feddd59d8fe
SHA1109bc5bc22e5d0f8c3b827d62c944d4df1eb782a
SHA256d328559fa994905dfe7a205025e970ef474ec4632d0b3cfeb824ebfd59805a22
SHA5124139d9b724334f7c5a03488bd155b6646552b790fc419adbed6e3144f2c2dea1da61d1131fcd93d46bc3f38c15192e183feb1bb651a3da3ae4e3fd186c21c69a