Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 18:33
General
- Target a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe
- Size 28KB
- Sample240403-w7behahd83
- SHA256 4aae795faf59f3a25492cd7799c434f6183f4cbb476a51a5e4df766570a2c13c
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\a379c16f2858be2cefdc91878c3d8b8e_JaffaCakes118.exe"C:\Users\Admin\AppData\Local\Temp\a379c16f2858be2cefdc91878c3d8b8e_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
3aG5kzT8mNhICe4.exe
CTS.exe
memory/2188-7-0x00000000000A0000-0x00000000000B7000-memory.dmp
memory/2188-31-0x00000000000A0000-0x00000000000B7000-memory.dmp
memory/2744-0-0x0000000000D10000-0x0000000000D27000-memory.dmp
memory/2744-9-0x0000000000D10000-0x0000000000D27000-memory.dmp