Analysis
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max time kernel
149s -
max time network
95s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
06-09-2024 21:11
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
d076135f4e0c693c7e328781d20aeb56_JaffaCakes118.dll
Resource
win7-20240903-en
windows7-x64
6 signatures
150 seconds
Behavioral task
behavioral2
Sample
d076135f4e0c693c7e328781d20aeb56_JaffaCakes118.dll
Resource
win10v2004-20240802-en
windows10-2004-x64
7 signatures
150 seconds
General
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Target
d076135f4e0c693c7e328781d20aeb56_JaffaCakes118.dll
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Size
32KB
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MD5
d076135f4e0c693c7e328781d20aeb56
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SHA1
bf4d242985dde2b188c33543abe453ef92c5b28d
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SHA256
48e13b26377ebd4b2efc221b787b52fa60b64b4f0192198ec3ddef17d27ff569
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SHA512
8e2590d586821105f59e6a6a68d14100d69ecf1bdc9899449cdcd790a747de645d209f891528120e20bf59bb4f2d9d33a5654a8d33514fb3eada1beb48e0f3a2
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SSDEEP
768:p651z5MkLjKUHaHZN8ogFrrKCLG0g44xVcqZ65:p6DTVHKz0j4x/Z65
Score
7/10
Malware Config
Signatures
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Loads dropped DLL 1 IoCs
pid Process 5068 rundll32.exe -
Modifies WinLogon 2 TTPs 12 IoCs
description ioc Process Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA\Asynchronous = "1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA\DllName = "C:\\Windows\\system32\\__c00A45DA.dat" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA\Asynchronous = "1" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA\Startup = "B" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA\DllName = "C:\\Windows\\system32\\__c00A45DA.dat" rundll32.exe Set value (int) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA\Impersonate = "0" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA\Logon = "B" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA\Startup = "B" rundll32.exe Set value (str) \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA\Logon = "B" rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify\__c00A45DA rundll32.exe Key created \REGISTRY\MACHINE\SOFTWARE\WOW6432Node\Microsoft\Windows NT\CurrentVersion\Winlogon\Notify rundll32.exe -
Drops file in System32 directory 2 IoCs
description ioc Process File created C:\Windows\SysWOW64\__c00A45DA.dat rundll32.exe File opened for modification C:\Windows\SysWOW64\__c00A45DA.dat rundll32.exe -
Program crash 1 IoCs
pid pid_target Process procid_target 1932 4952 WerFault.exe 83 -
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 -
Suspicious behavior: EnumeratesProcesses 64 IoCs
pid Process 4952 rundll32.exe 4952 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe 5068 rundll32.exe -
Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 1660 wrote to memory of 4952 1660 rundll32.exe 83 PID 1660 wrote to memory of 4952 1660 rundll32.exe 83 PID 1660 wrote to memory of 4952 1660 rundll32.exe 83 PID 4952 wrote to memory of 5068 4952 rundll32.exe 85 PID 4952 wrote to memory of 5068 4952 rundll32.exe 85 PID 4952 wrote to memory of 5068 4952 rundll32.exe 85
Processes
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C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d076135f4e0c693c7e328781d20aeb56_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
PID:1660 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\d076135f4e0c693c7e328781d20aeb56_JaffaCakes118.dll,#12⤵
- Modifies WinLogon
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of WriteProcessMemory
PID:4952 -
C:\Windows\SysWOW64\rundll32.exerundll32.exe "C:\Windows\system32\__c00A45DA.dat",B3⤵
- Loads dropped DLL
- Modifies WinLogon
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
PID:5068
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -u -p 4952 -s 6403⤵
- Program crash
PID:1932
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C:\Windows\SysWOW64\WerFault.exeC:\Windows\SysWOW64\WerFault.exe -pss -s 424 -p 4952 -ip 49521⤵PID:1004
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
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Filesize
32KB
MD5d076135f4e0c693c7e328781d20aeb56
SHA1bf4d242985dde2b188c33543abe453ef92c5b28d
SHA25648e13b26377ebd4b2efc221b787b52fa60b64b4f0192198ec3ddef17d27ff569
SHA5128e2590d586821105f59e6a6a68d14100d69ecf1bdc9899449cdcd790a747de645d209f891528120e20bf59bb4f2d9d33a5654a8d33514fb3eada1beb48e0f3a2