Analysis
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max time kernel
134s -
max time network
147s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
18/08/2024, 02:02
Static task
static1
Behavioral task
behavioral1
Sample
a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe
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Size
156KB
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MD5
a4f51e8f02e982480720c983c63a7ba8
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SHA1
00d62c2bda0dc25d6ecb090a88305fa677f9b27a
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SHA256
413b991907e13512e266a2a484d258f4c9fa13dfa307902b6c2debe939ef2cd6
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SHA512
7ed93d5eb861f13cec6228ea8a494c29843530497bf1326cb52a8a79b6f923da39e7789c00655594d277cabcbde1c6798fc4de20b4b861afd8d1fb3725fe3e27
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SSDEEP
3072:uQiTe8t58J91PoTje+/O1iq/GvxYxKXvR7HFAkJK7PLPX81tUXXia1Pf0QcqB1Pa:uQigN4qCObCYxmRjF3EDvvCQXbHhN97G
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-1-5-21-1194130065-3471212556-1656947724-1000\Control Panel\International\Geo\Nation cmd.exe -
Loads dropped DLL 1 IoCs
pid Process 2840 a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\MSSMSGS = "rundll32.exe winlgs32.rom,jdIRHeyYljHj" a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\winlgs32.rom a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe File opened for modification C:\Windows\SysWOW64\winlgs32.rom a4f51e8f02e982480720c983c63a7ba8_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 2224 2840 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 a4f51e8f02e982480720c983c63a7ba8_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-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\GPU IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\ iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames\en-US = "en-US.1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\DomainSuggestion iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\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-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateHighDateTime = "31125778" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\FileNames iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3094745985" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\DomainSuggestion\NextUpdateDate = "430711509" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLHighDateTime = "50" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\AdminActive\{E3F24DE2-5D05-11EF-98CC-DE20CD0D11AA} = "0" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\Software\Microsoft\Internet Explorer\VersionManager IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31125778" IEXPLORE.EXE Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastUpdateLowDateTime = "3091933449" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastTTLLowDateTime = "1251635200" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateLowDateTime = "3091933449" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-1194130065-3471212556-1656947724-1000\SOFTWARE\Microsoft\Internet Explorer\VersionManager\LastCheckForUpdateHighDateTime = "31125778" iexplore.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
pid Process 4324 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
pid Process 4324 iexplore.exe 4324 iexplore.exe 3596 IEXPLORE.EXE 3596 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 13 IoCs
description pid Process procid_target PID 2840 wrote to memory of 2556 2840 a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe 86 PID 2840 wrote to memory of 2556 2840 a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe 86 PID 2840 wrote to memory of 2556 2840 a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe 86 PID 2556 wrote to memory of 4324 2556 cmd.exe 89 PID 2556 wrote to memory of 4324 2556 cmd.exe 89 PID 4324 wrote to memory of 3596 4324 iexplore.exe 91 PID 4324 wrote to memory of 3596 4324 iexplore.exe 91 PID 4324 wrote to memory of 3596 4324 iexplore.exe 91 PID 2840 wrote to memory of 4324 2840 a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe 89 PID 2840 wrote to memory of 4324 2840 a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe 89 PID 2840 wrote to memory of 4320 2840 a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe 97 PID 2840 wrote to memory of 4320 2840 a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe 97 PID 2840 wrote to memory of 4320 2840 a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe 97
Processes
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C:\Users\Admin\AppData\Local\Temp\a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a4f51e8f02e982480720c983c63a7ba8_JaffaCakes118.exe"1⤵
- 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:2840 -
C:\Windows\SysWOW64\cmd.execmd /c start iexplore -embedding2⤵
- Checks computer location settings
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:2556 -
C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" -embedding3⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:4324 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:4324 CREDAT:17410 /prefetch:24⤵
- System Location Discovery: System Language Discovery
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:3596
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C:\Windows\SysWOW64\cmd.exeC:\Windows\system32\cmd.exe /c "C:\Users\Admin\AppData\Local\Temp\xKT974E.bat"2⤵
- System Location Discovery: System Language Discovery
PID:4320
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 2840 -s 5202⤵
- Program crash
PID:2224
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 2840 -ip 28401⤵PID:1780
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
17KB
MD55a34cb996293fde2cb7a4ac89587393a
SHA13c96c993500690d1a77873cd62bc639b3a10653f
SHA256c6a5377cbc07eece33790cfc70572e12c7a48ad8296be25c0cc805a1f384dbad
SHA512e1b7d0107733f81937415104e70f68b1be6fd0ca65dccf4ff72637943d44278d3a77f704aedff59d2dbc0d56a609b2590c8ec0dd6bc48ab30f1dad0c07a0a3ee
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Filesize
188B
MD5e324d302097944bacf4be03fe9e500ec
SHA1c009d80dcdea2e9a2f795caed9833c18fb312648
SHA256782682fde0bad2c8b3bf7bf7157217f92d112f4bd5a0ffcb397a1c8e239c4bf8
SHA512c77b3517459f1c39e82d01f5ccb1fbb5103b4d0e7c6d6ae6b323c07b5c5ff319d99232add35f2a260e3a64eb617b39e4c8a8da2d309ed0893ea83762726cf202
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Filesize
105KB
MD515ba84320dbb6d9a1c2df6e72c78ce5b
SHA14b467a9bfaa1859ab9ced1e40fd0acd865a89263
SHA256d17604182081d76aed86d69a0d88fccedcc9515b14afd17479ff065f53946a02
SHA512c388ae531afdba54fbf65bf7e8fcecbb016a2e661346bd67cb8fdb68b26746d4a08a4803e9ff39695741154555d5c6ae7cbcc209d8dc4f8720bd1966439afe67