Analysis
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max time kernel
73s -
max time network
74s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
19-05-2024 00:45
Static task
static1
Behavioral task
behavioral1
Sample
571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe
Resource
win10v2004-20240508-en
General
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Target
571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe
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Size
3.6MB
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MD5
571382779ee9ae75053802e19dbce87f
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SHA1
b714032754708a906e552dab7899819c3f2fbf21
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SHA256
fab9f33a8734a165a53b818d638ba8f5633ae5429372e7070f8844fcad42e6c3
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SHA512
cba9c49ea70889326d4eb7db175c53ed0372adca4618e0df5ab74698a24a349faf3ab2c947b13b117a43c041a49b2755c38b9b552984153de1d86fe79f42733a
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SSDEEP
49152:2nAQqMSPbcBVQej/1INRx+TSqTdX1HkQo6SAARdhnvxJM0H98LpVU:yDqPoBhz1aRxcSUDk36SAEdhvxWa98LY
Malware Config
Signatures
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Wannacry
WannaCry is a ransomware cryptoworm.
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Contacts a large (1182) amount of remote hosts 1 TTPs
This may indicate a network scan to discover remotely running services.
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Executes dropped EXE 1 IoCs
Processes:
tasksche.exepid process 2560 tasksche.exe -
Drops file in System32 directory 1 IoCs
Processes:
571382779ee9ae75053802e19dbce87f_JaffaCakes118.exedescription ioc process File opened for modification C:\Windows\SysWOW64\config\systemprofile\AppData\Local\Microsoft\Windows\Temporary Internet Files\counters.dat 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe -
Drops file in Windows directory 1 IoCs
Processes:
571382779ee9ae75053802e19dbce87f_JaffaCakes118.exedescription ioc process File created C:\WINDOWS\tasksche.exe 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe -
Processes:
iexplore.exeIEXPLORE.EXEdescription ioc process Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive\{315411D1-1579-11EF-9371-CAFA5A0A62FD} = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main IEXPLORE.EXE Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MINIE iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar\WebBrowser iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "0" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Toolbar iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Zoom iexplore.exe Set value (data) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\Window_Placement = 2c0000000200000003000000ffffffffffffffffffffffffffffffff2400000024000000aa04000089020000 iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\GPU iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\PageSetup iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\CompatibilityFlags = "0" iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\WindowsSearch\Version = "WS not running" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\InternetRegistry iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\AdminActive iexplore.exe Set value (str) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Main\FullScreen = "no" iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery\AdminActive = "1" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\IETld\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry\DOMStorage iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\LowRegistry\DontShowMeThisDialogAgain iexplore.exe Set value (int) \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\MINIE\TabBandWidth = "500" iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\BrowserEmulation\LowMic iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\IntelliForms iexplore.exe Key created \REGISTRY\USER\S-1-5-21-3452737119-3959686427-228443150-1000\Software\Microsoft\Internet Explorer\Recovery\PendingRecovery iexplore.exe -
Modifies data under HKEY_USERS 24 IoCs
Processes:
571382779ee9ae75053802e19dbce87f_JaffaCakes118.exedescription ioc process Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ProxyEnable = "0" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\SavedLegacySettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Cookies\CachePrefix = "Cookie:" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\History\CachePrefix = "Visited:" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B0A350E-8A80-4CD5-B11A-E6AFC8AEC92C}\7e-16-ee-13-b7-b8 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000002000000090000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\5.0\Cache\Content\CachePrefix 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B0A350E-8A80-4CD5-B11A-E6AFC8AEC92C} 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B0A350E-8A80-4CD5-B11A-E6AFC8AEC92C}\WpadDecision = "0" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-16-ee-13-b7-b8\WpadDecisionReason = "1" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\UNCAsIntranet = "0" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B0A350E-8A80-4CD5-B11A-E6AFC8AEC92C}\WpadDecisionReason = "1" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-16-ee-13-b7-b8\WpadDecision = "0" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B0A350E-8A80-4CD5-B11A-E6AFC8AEC92C}\WpadDecisionTime = 50f5b7d885a9da01 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (str) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\{7B0A350E-8A80-4CD5-B11A-E6AFC8AEC92C}\WpadNetworkName = "Network 3" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\Connections 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\Software\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\ 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (int) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\ZoneMap\AutoDetect = "1" 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Connections\DefaultConnectionSettings = 4600000003000000090000000000000000000000000000000400000000000000000000000000000000000000000000000000000001000000020000000a7f00f3000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Key created \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-16-ee-13-b7-b8 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe Set value (data) \REGISTRY\USER\.DEFAULT\SOFTWARE\Microsoft\Windows\CurrentVersion\Internet Settings\Wpad\7e-16-ee-13-b7-b8\WpadDecisionTime = 50f5b7d885a9da01 571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe -
Suspicious use of FindShellTrayWindow 1 IoCs
Processes:
iexplore.exepid process 772 iexplore.exe -
Suspicious use of SetWindowsHookEx 4 IoCs
Processes:
iexplore.exeIEXPLORE.EXEpid process 772 iexplore.exe 772 iexplore.exe 1404 IEXPLORE.EXE 1404 IEXPLORE.EXE -
Suspicious use of WriteProcessMemory 4 IoCs
Processes:
iexplore.exedescription pid process target process PID 772 wrote to memory of 1404 772 iexplore.exe IEXPLORE.EXE PID 772 wrote to memory of 1404 772 iexplore.exe IEXPLORE.EXE PID 772 wrote to memory of 1404 772 iexplore.exe IEXPLORE.EXE PID 772 wrote to memory of 1404 772 iexplore.exe IEXPLORE.EXE
Processes
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C:\Users\Admin\AppData\Local\Temp\571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe"1⤵
- Drops file in Windows directory
PID:1660 -
C:\WINDOWS\tasksche.exeC:\WINDOWS\tasksche.exe /i2⤵
- Executes dropped EXE
PID:2560
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C:\Users\Admin\AppData\Local\Temp\571382779ee9ae75053802e19dbce87f_JaffaCakes118.exeC:\Users\Admin\AppData\Local\Temp\571382779ee9ae75053802e19dbce87f_JaffaCakes118.exe -m security1⤵
- Drops file in System32 directory
- Modifies data under HKEY_USERS
PID:3068
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C:\Windows\explorer.exe"C:\Windows\explorer.exe"1⤵PID:2232
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C:\Program Files\Internet Explorer\iexplore.exe"C:\Program Files\Internet Explorer\iexplore.exe" http://%22c/Users/Admin/Links/Downloads.lnk%221⤵
- Modifies Internet Explorer settings
- Suspicious use of FindShellTrayWindow
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:772 -
C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE"C:\Program Files (x86)\Internet Explorer\IEXPLORE.EXE" SCODEF:772 CREDAT:275457 /prefetch:22⤵
- Modifies Internet Explorer settings
- Suspicious use of SetWindowsHookEx
PID:1404
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
3.4MB
MD5df063540c35ea94d8707ff65d9d08b5b
SHA1e9df2b183d2eee1516a69f7741b2f46e5e7a8923
SHA25611107940d5e2d973c2cca94b53da67c1002b1d53460ce1298648769f5501d00e
SHA5123a20ace87752daf1ab3927894419ae46ac7800695482331a57ae5b06caff6cffebba2901341c7e56611a361111a11029626101221b756e7b6173e0dfde260fe2