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Analysis
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max time kernel
140s -
max time network
120s -
platform
windows7_x64 -
resource
win7-20240708-en -
resource tags
arch:x64arch:x86image:win7-20240708-enlocale:en-usos:windows7-x64system -
submitted
22/08/2024, 02:23
Static task
static1
Behavioral task
behavioral1
Sample
b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe
Resource
win7-20240708-en
Behavioral task
behavioral2
Sample
b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe
Resource
win10v2004-20240802-en
General
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Target
b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe
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Size
132KB
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MD5
b5fd690d5899ef967267bd414b937bdd
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SHA1
a23a37269d323413ef9be94f0ef6fa537ef89779
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SHA256
94a2c3d3464df4724e1f78be8e1d083f5e9191e03e9e8445919f4caea0746703
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SHA512
e1da0819cdfe23684ebd9e4e19708bc90803eb750e9e72a476cb3118c168f90788204a063df26b4bfc728447dc09cd89edc7a12e46ce699bcd7f5264d8a48100
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SSDEEP
3072:ndclLgbQoo8Pkc8oPxbHjd6dOlRsgxJr+gehQMR9:nKgb1LPtPBjdcgmTR
Malware Config
Signatures
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Loads dropped DLL 8 IoCs
pid Process 2544 rundll32.exe 2544 rundll32.exe 2544 rundll32.exe 2544 rundll32.exe 2812 rundll32.exe 2812 rundll32.exe 2812 rundll32.exe 2812 rundll32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-1506706701-1246725540-2219210854-1000\Software\Microsoft\Windows\CurrentVersion\Run\Odicub = "rundll32.exe \"C:\\Users\\Admin\\AppData\\Local\\Prcfui.dll\",Startup" rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 3 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 rundll32.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language rundll32.exe -
Suspicious behavior: EnumeratesProcesses 6 IoCs
pid Process 2544 rundll32.exe 2544 rundll32.exe 2544 rundll32.exe 2544 rundll32.exe 2544 rundll32.exe 2544 rundll32.exe -
Suspicious use of SetWindowsHookEx 3 IoCs
pid Process 2484 b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe 2544 rundll32.exe 2812 rundll32.exe -
Suspicious use of WriteProcessMemory 14 IoCs
description pid Process procid_target PID 2484 wrote to memory of 2544 2484 b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe 30 PID 2484 wrote to memory of 2544 2484 b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe 30 PID 2484 wrote to memory of 2544 2484 b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe 30 PID 2484 wrote to memory of 2544 2484 b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe 30 PID 2484 wrote to memory of 2544 2484 b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe 30 PID 2484 wrote to memory of 2544 2484 b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe 30 PID 2484 wrote to memory of 2544 2484 b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe 30 PID 2544 wrote to memory of 2812 2544 rundll32.exe 32 PID 2544 wrote to memory of 2812 2544 rundll32.exe 32 PID 2544 wrote to memory of 2812 2544 rundll32.exe 32 PID 2544 wrote to memory of 2812 2544 rundll32.exe 32 PID 2544 wrote to memory of 2812 2544 rundll32.exe 32 PID 2544 wrote to memory of 2812 2544 rundll32.exe 32 PID 2544 wrote to memory of 2812 2544 rundll32.exe 32
Processes
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C:\Users\Admin\AppData\Local\Temp\b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\b5fd690d5899ef967267bd414b937bdd_JaffaCakes118.exe"1⤵
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2484 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Prcfui.dll",Startup2⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:2544 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Users\Admin\AppData\Local\Prcfui.dll",iep3⤵
- Loads dropped DLL
- System Location Discovery: System Language Discovery
- Suspicious use of SetWindowsHookEx
PID:2812
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
132KB
MD500e14b277302950ed833f59eec3a03e2
SHA12d2f79cefa378b9e4be91bd7ff32b4edc22df5f9
SHA2560a2dc2cda98387521513434aaf22df2cefc100d4ba985dc9ea0f051f48607845
SHA512d9039b081004e8cf0373054b55104cf131b44315852da41fa9b68477877000118e5c7b35d2c18afa1dd12cc1633716a1a911dd41b83ac3442162d2bf4665122d