Analysis
- max time kernel
147s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
07/04/2024, 18:53
General
- Target e59f9a198d9730570f79ee9917c85014_JaffaCakes118.exe
- Size 29KB
- Sample240407-xj55msbe2w
- SHA256 b58d4c544c6320dfc8b09145850b166190bbf24c9d1c6b2e4b33547a9b0c5f77
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 6 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\e59f9a198d9730570f79ee9917c85014_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\e59f9a198d9730570f79ee9917c85014_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
j0J1ZmdgbPdpBhw.exe
CTS.exe
memory/4756-0-0x0000000000F10000-0x0000000000F27000-memory.dmp
memory/4756-7-0x0000000000F10000-0x0000000000F27000-memory.dmp
memory/4900-9-0x0000000000270000-0x0000000000287000-memory.dmp