Analysis
- max time kernel
149s - max time network
94s - platform
windows10-2004_x64 - resource
win10v2004-20240704-en - resource tags
- submitted
08/07/2024, 23:30
General
- Target 2e384650d28899b6a0473d58be93c20f_JaffaCakes118.exe
- Size 899KB
- Sample240708-3g67taxbme
- SHA256 2f43b1799dada886bacd729bfa60b983d00b517964f762f408563ba8fc316c99
Malware Config
Signatures
- Ardamax
A keylogger first seen in 2013.
- Ardamax main executable 1 IoCs
- Adds policy Run key to start application 2 TTPs 2 IoCs
- Checks computer location settings 2 TTPs 3 IoCs
Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE 4 IoCs
- Loads dropped DLL 7 IoCs
- Adds Run key to start application 2 TTPs 5 IoCs
- Checks installed software on the system 1 TTPs
Looks up Uninstall key entries in the registry to enumerate software on the system.
- Modifies WinLogon 2 TTPs 2 IoCs
- Drops file in System32 directory 7 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Modifies registry class 50 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 5 IoCs
- Suspicious use of WriteProcessMemory 12 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2e384650d28899b6a0473d58be93c20f_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\2e384650d28899b6a0473d58be93c20f_JaffaCakes118.exe"1⤵
- Checks computer location settings
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2e384650d28899b6a0473d58be93c20f_JaffaCakes118.bat"C:\Users\Admin\AppData\Local\Temp\2e384650d28899b6a0473d58be93c20f_JaffaCakes118.bat"2⤵
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Drops file in System32 directory
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\28463\YPUP.exe"C:\Windows\system32\28463\YPUP.exe"3⤵
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Drops file in System32 directory
- Modifies registry class
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
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C:\Users\Admin\AppData\Local\Temp\snmapqcenwl.exe"C:\Users\Admin\AppData\Local\Temp\snmapqcenwl.exe"2⤵
- Adds policy Run key to start application
- Checks computer location settings
- Executes dropped EXE
- Loads dropped DLL
- Adds Run key to start application
- Modifies WinLogon
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\wnksyt.exe"C:\Users\Admin\AppData\Local\Temp\wnksyt.exe" a3⤵
- Adds policy Run key to start application
- Executes dropped EXE
- Adds Run key to start application
- Modifies WinLogon
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
2e384650d28899b6a0473d58be93c20f_JaffaCakes118.bat
@859B.tmp
snmapqcenwl.exe
AKV.exe
YPUP.001
YPUP.006
YPUP.007
YPUP.exe
key.bin
memory/3348-50-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-46-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-38-0x0000000002530000-0x0000000002531000-memory.dmp
memory/3348-37-0x0000000002540000-0x0000000002541000-memory.dmp
memory/3348-36-0x0000000000C40000-0x0000000000C41000-memory.dmp
memory/3348-40-0x0000000002510000-0x0000000002511000-memory.dmp
memory/3348-53-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-52-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-51-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-41-0x0000000000C20000-0x0000000000C21000-memory.dmp
memory/3348-49-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-48-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-47-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-39-0x0000000002550000-0x0000000002551000-memory.dmp
memory/3348-45-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-44-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-57-0x00000000033B0000-0x00000000033B1000-memory.dmp
memory/3348-56-0x0000000003370000-0x0000000003371000-memory.dmp
memory/3348-55-0x0000000000690000-0x0000000000691000-memory.dmp
memory/3348-54-0x00000000004F0000-0x00000000004F1000-memory.dmp
memory/3348-43-0x0000000003350000-0x0000000003353000-memory.dmp
memory/3348-42-0x0000000003360000-0x0000000003361000-memory.dmp
memory/3348-34-0x0000000000B40000-0x0000000000B9A000-memory.dmp
memory/3348-33-0x0000000000400000-0x00000000004DF000-memory.dmp
memory/3348-76-0x0000000000400000-0x00000000004DF000-memory.dmp
memory/3348-78-0x0000000000B40000-0x0000000000B9A000-memory.dmp
memory/3348-79-0x00000000033A0000-0x00000000033A1000-memory.dmp
memory/3348-80-0x0000000000400000-0x00000000004DF000-memory.dmp