Analysis
- max time kernel
139s - max time network
123s - platform
windows10-2004_x64 - resource
win10v2004-20240412-en - resource tags
- submitted
22/04/2024, 00:41
General
- Target 95a43b631373533c84307e69c27621c1fc3f389060218cf4afce4fb2c65d243d.exe
- Size 88KB
- Sample240422-a14ltadd6z
- SHA256 95a43b631373533c84307e69c27621c1fc3f389060218cf4afce4fb2c65d243d
Score
9/10
Malware Config
Signatures
- UPX dump on OEP (original entry point) 6 IoCs
- 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\95a43b631373533c84307e69c27621c1fc3f389060218cf4afce4fb2c65d243d.exe"C:\Users\Admin\AppData\Local\Temp\95a43b631373533c84307e69c27621c1fc3f389060218cf4afce4fb2c65d243d.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
g4ggegIWCirhv5H.exe
CTS.exe
memory/3560-9-0x00000000009B0000-0x00000000009C9000-memory.dmp
memory/4632-0-0x0000000000320000-0x0000000000339000-memory.dmp
memory/4632-7-0x0000000000320000-0x0000000000339000-memory.dmp