Analysis
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max time kernel
150s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
12/09/2024, 20:44
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
dd04a1f4fe2937bfcc580e3495b9db21_JaffaCakes118.dll
Resource
win7-20240903-en
windows7-x64
10 signatures
150 seconds
Behavioral task
behavioral2
Sample
dd04a1f4fe2937bfcc580e3495b9db21_JaffaCakes118.dll
Resource
win10v2004-20240910-en
windows10-2004-x64
10 signatures
150 seconds
General
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Target
dd04a1f4fe2937bfcc580e3495b9db21_JaffaCakes118.dll
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Size
24KB
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MD5
dd04a1f4fe2937bfcc580e3495b9db21
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SHA1
e575b1ed80850a26ec8d3370ada108ff41b5604c
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SHA256
d00b6112770eb40eaf586efee9475fec64230393d45890071ea6447669b6359b
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SHA512
f8c672b9e288a5959cc5fdf0bf0642cbf25494d29f279139a6ac71516a3fdfd902bd8513e8ae9c20898d141b15455cae33b68e876c8a278c25d4ff62b495d152
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SSDEEP
384:s1pID5OaP3Jkt2ms6MLT5YO71u8MURGRGL+Ca1pNrdooNHWyC4lL4vRbb1B:+pItWtq6Cq1pko5WF/9b1B
Score
7/10
Malware Config
Signatures
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Loads dropped DLL 5 IoCs
pid Process 1932 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe -
Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\MSServer = "rundll32.exe C:\\Windows\\system32\\ljJCtsrs.dll,#1" rundll32.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\ljJCtsrs.dll rundll32.exe File opened for modification C:\Windows\SysWOW64\ljJCtsrs.dll rundll32.exe -
System Location Discovery: System Language Discovery 1 TTPs 2 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 rundll32.exe -
Modifies registry class 4 IoCs
description ioc Process Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D37BA0C9-30D1-4485-8250-C269F863D5C1}\InprocServer32\ThreadingModel = "Both" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D37BA0C9-30D1-4485-8250-C269F863D5C1} rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D37BA0C9-30D1-4485-8250-C269F863D5C1}\InprocServer32 rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\Classes\Wow6432Node\CLSID\{D37BA0C9-30D1-4485-8250-C269F863D5C1}\InprocServer32\ = "C:\\Windows\\SysWow64\\ljJCtsrs.dll" rundll32.exe -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 1932 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe 2808 rundll32.exe -
Suspicious behavior: RenamesItself 1 IoCs
pid Process 1932 rundll32.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1932 rundll32.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1932 rundll32.exe -
Suspicious use of WriteProcessMemory 15 IoCs
description pid Process procid_target PID 2308 wrote to memory of 1932 2308 rundll32.exe 31 PID 2308 wrote to memory of 1932 2308 rundll32.exe 31 PID 2308 wrote to memory of 1932 2308 rundll32.exe 31 PID 2308 wrote to memory of 1932 2308 rundll32.exe 31 PID 2308 wrote to memory of 1932 2308 rundll32.exe 31 PID 2308 wrote to memory of 1932 2308 rundll32.exe 31 PID 2308 wrote to memory of 1932 2308 rundll32.exe 31 PID 1932 wrote to memory of 432 1932 rundll32.exe 5 PID 1932 wrote to memory of 2808 1932 rundll32.exe 32 PID 1932 wrote to memory of 2808 1932 rundll32.exe 32 PID 1932 wrote to memory of 2808 1932 rundll32.exe 32 PID 1932 wrote to memory of 2808 1932 rundll32.exe 32 PID 1932 wrote to memory of 2808 1932 rundll32.exe 32 PID 1932 wrote to memory of 2808 1932 rundll32.exe 32 PID 1932 wrote to memory of 2808 1932 rundll32.exe 32
Processes
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C:\Windows\system32\winlogon.exewinlogon.exe1⤵PID:432
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dd04a1f4fe2937bfcc580e3495b9db21_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:2308 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\dd04a1f4fe2937bfcc580e3495b9db21_JaffaCakes118.dll,#12⤵
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: RenamesItself
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1932 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Windows\system32\ljJCtsrs.dll,a3⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
PID:2808
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
24KB
MD5dd04a1f4fe2937bfcc580e3495b9db21
SHA1e575b1ed80850a26ec8d3370ada108ff41b5604c
SHA256d00b6112770eb40eaf586efee9475fec64230393d45890071ea6447669b6359b
SHA512f8c672b9e288a5959cc5fdf0bf0642cbf25494d29f279139a6ac71516a3fdfd902bd8513e8ae9c20898d141b15455cae33b68e876c8a278c25d4ff62b495d152