Analysis
- max time kernel
119s - max time network
122s - platform
windows7_x64 - resource
win7-20230712-en - resource tags
- submitted
17/08/2023, 13:56
General
- Target Payment invoice.exe
- Size 726KB
- Sample230817-q8ntbsbd21
- SHA256 b8bfa96db841cb95723f5f8645e58d69ca63ecab0cdd50d08ebeb864ec66ae61
Malware Config
Signatures
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Payment invoice.exe"C:\Users\Admin\AppData\Local\Temp\Payment invoice.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Payment invoice.exe"C:\Users\Admin\AppData\Local\Temp\Payment invoice.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2888-75-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2888-68-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2888-80-0x0000000073210000-0x00000000738FE000-memory.dmp
memory/2888-79-0x0000000004B70000-0x0000000004BB0000-memory.dmp
memory/2888-78-0x0000000073210000-0x00000000738FE000-memory.dmp
memory/2888-62-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2888-77-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2888-72-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2888-64-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2888-66-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2888-70-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/3000-59-0x0000000004630000-0x0000000004670000-memory.dmp
memory/3000-55-0x0000000074120000-0x000000007480E000-memory.dmp
memory/3000-61-0x0000000005670000-0x00000000056EC000-memory.dmp
memory/3000-74-0x0000000074120000-0x000000007480E000-memory.dmp
memory/3000-54-0x0000000000B20000-0x0000000000BDC000-memory.dmp
memory/3000-60-0x0000000000B10000-0x0000000000B1E000-memory.dmp
memory/3000-58-0x0000000074120000-0x000000007480E000-memory.dmp
memory/3000-57-0x0000000000610000-0x0000000000622000-memory.dmp
memory/3000-56-0x0000000004630000-0x0000000004670000-memory.dmp