Analysis
- max time kernel
101s - max time network
103s - platform
windows10-2004_x64 - resource
win10v2004-20240730-en - resource tags
- submitted
01/08/2024, 00:59
General
- Target 7e9c4906fec6cc33dbc0b426a4da3d06_JaffaCakes118.exe
- Size 480KB
- Sample240801-bcj3yasgnk
- SHA256 125c81c42472fa5cf4c67ea38f6bd9c8b5543fd0f07785bc971bf9d3fdf2b3b2
Malware Config
Signatures
- Ardamax
A keylogger first seen in 2013.
- Ardamax main executable 1 IoCs
- Checks computer location settings 2 TTPs 2 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 2 IoCs
- Loads dropped DLL 4 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Drops file in System32 directory 7 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- Checks processor information in registry 2 TTPs 3 IoCs
Processor information is often read in order to detect sandboxing environments.
- Enumerates system info in registry 2 TTPs 3 IoCs
- Modifies registry class 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 11 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\7e9c4906fec6cc33dbc0b426a4da3d06_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\7e9c4906fec6cc33dbc0b426a4da3d06_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\kernel32.exe"C:\Windows\system32\kernel32.exe"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\28463\PWFS.exe"C:\Windows\system32\28463\PWFS.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- System Location Discovery: System Language Discovery
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE"C:\Program Files\Microsoft Office\Root\Office16\EXCEL.EXE" "C:\Windows\system32\pagos_rafa.xls"2⤵
- Checks processor information in registry
- Enumerates system info in registry
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
@B21A.tmp
PWFS.001
PWFS.006
PWFS.007
PWFS.exe
kernel32.exe
pagos_rafa.xls
memory/4828-25-0x00007FF90E410000-0x00007FF90E420000-memory.dmp
memory/4828-48-0x00007FF90C030000-0x00007FF90C040000-memory.dmp
memory/4828-38-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-28-0x00007FF90E410000-0x00007FF90E420000-memory.dmp
memory/4828-35-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-33-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-32-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-31-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-30-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-45-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-47-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-24-0x00007FF90E410000-0x00007FF90E420000-memory.dmp
memory/4828-44-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-42-0x00007FF90C030000-0x00007FF90C040000-memory.dmp
memory/4828-27-0x00007FF90E410000-0x00007FF90E420000-memory.dmp
memory/4828-26-0x00007FF94E42D000-0x00007FF94E42E000-memory.dmp
memory/4828-23-0x00007FF90E410000-0x00007FF90E420000-memory.dmp
memory/4828-61-0x00007FF94E390000-0x00007FF94E585000-memory.dmp
memory/4828-73-0x00007FF90E410000-0x00007FF90E420000-memory.dmp
memory/4828-74-0x00007FF90E410000-0x00007FF90E420000-memory.dmp
memory/4828-76-0x00007FF90E410000-0x00007FF90E420000-memory.dmp
memory/4828-75-0x00007FF90E410000-0x00007FF90E420000-memory.dmp
memory/4828-77-0x00007FF94E390000-0x00007FF94E585000-memory.dmp