Analysis
- max time kernel
150s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
08/01/2024, 04:08
General
- Target 4a665acf4484b2d5593298acf0f3448d.exe
- Size 35KB
- Sample240108-eqel6aaghj
- SHA256 607bad2983e03d6b8864fe012b3480ff6a5a6f14cd4b384584bdfa6feea55ac9
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\4a665acf4484b2d5593298acf0f3448d.exe"C:\Users\Admin\AppData\Local\Temp\4a665acf4484b2d5593298acf0f3448d.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
B9PDicqwpU7GmTG.exe
CTS.exe
memory/1496-9-0x0000000000710000-0x0000000000727000-memory.dmp
memory/3156-0-0x0000000000060000-0x0000000000077000-memory.dmp
memory/3156-7-0x0000000000060000-0x0000000000077000-memory.dmp