Analysis
- max time kernel
147s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
04/04/2024, 16:38
General
- Target bd44cf29e9c7193d667ce511a3902341_JaffaCakes118.exe
- Size 239KB
- Sample240404-t5pg8sdc53
- SHA256 ac82737b062098b0f063232662a57a2e3ec57c8b31f2e0badc8084a6a565d6e7
Score
7/10
Malware Config
Signatures
- Executes dropped EXE 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- UPX packed file 7 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Adds Run key to start application 2 TTPs 2 IoCs
- Drops file in Windows directory 2 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 3 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bd44cf29e9c7193d667ce511a3902341_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\bd44cf29e9c7193d667ce511a3902341_JaffaCakes118.exe"1⤵
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\CTS.exe"C:\Windows\CTS.exe"2⤵
- Executes dropped EXE
- Adds Run key to start application
- Drops file in Windows directory
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
excel.exe_Rules.xml
zfd5kTfWYt0zOrQ.exe
CTS.exe
memory/1504-0-0x0000000000290000-0x00000000002A7000-memory.dmp
memory/1504-7-0x0000000000290000-0x00000000002A7000-memory.dmp
memory/2356-8-0x0000000000CE0000-0x0000000000CF7000-memory.dmp
memory/2356-32-0x0000000000CE0000-0x0000000000CF7000-memory.dmp