Analysis
- max time kernel
150s - max time network
128s - platform
windows10-2004_x64 - resource
win10v2004-20240802-en - resource tags
- submitted
21/08/2024, 00:06
General
- Target b1641c814701bead92fc9b900999de95_JaffaCakes118.dll
- Size 25KB
- Sample240821-adrzhazfre
- SHA256 77fd7a0650e005375c51091802a8b44ea4687586476f04f2ddd56291a567ab23
Malware Config
Signatures
- Loads dropped DLL 3 IoCs
- Adds Run key to start application 2 TTPs 1 IoCs
- Drops file in System32 directory 2 IoCs
- 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.
- Modifies registry class 4 IoCs
- Suspicious behavior: EnumeratesProcesses 64 IoCs
- Suspicious behavior: RenamesItself 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 7 IoCs
Processes
-
C:\Windows\system32\winlogon.exewinlogon.exe1⤵
-
C:\Windows\system32\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1641c814701bead92fc9b900999de95_JaffaCakes118.dll,#11⤵
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Users\Admin\AppData\Local\Temp\b1641c814701bead92fc9b900999de95_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
-
C:\Windows\SysWOW64\rundll32.exerundll32.exe C:\Windows\system32\cbXQhEXP.dll,a3⤵
- Loads dropped DLL
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Modifies registry class
- Suspicious behavior: EnumeratesProcesses
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Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
cbXQhEXP.dll
memory/3532-0-0x0000000010000000-0x0000000010014000-memory.dmp
memory/3532-1-0x0000000010000000-0x0000000010010000-memory.dmp
memory/3532-10-0x0000000010000000-0x0000000010014000-memory.dmp
memory/3532-9-0x00000000025F0000-0x0000000002604000-memory.dmp
memory/3532-5-0x00000000025F0000-0x0000000002604000-memory.dmp
memory/3532-11-0x0000000010000000-0x0000000010010000-memory.dmp
memory/3532-12-0x00000000025F0000-0x0000000002604000-memory.dmp
memory/5016-19-0x0000000010000000-0x0000000010014000-memory.dmp
memory/5016-20-0x0000000010000000-0x0000000010014000-memory.dmp
memory/5016-21-0x0000000010000000-0x0000000010014000-memory.dmp