Analysis
- max time kernel
17s - max time network
116s - platform
windows10_x64 - resource
win10v20201028 - submitted
16/02/2021, 17:42
General
- Target e45e5e69_extracted.exe
- Size 1.3MB
- Sample210216-dpwaxefwvj
- SHA256 2d30797c2998eb1b5bdf78d44c3f3bc16d0a990a0e93a5c54656ac1bc4b63d9d
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
- ACProtect 1.3x - 1.4x DLL software 1 IoCs
Detects file using ACProtect software.
- UPX packed file 1 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- Loads dropped DLL 1 IoCs
- 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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\e45e5e69_extracted.exe"C:\Users\Admin\AppData\Local\Temp\e45e5e69_extracted.exe"1⤵
- Checks computer location settings
- Loads dropped DLL
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/3108-9-0x00000000056F0000-0x00000000056F1000-memory.dmp
memory/3108-11-0x00000000064C0000-0x00000000064C1000-memory.dmp
memory/3108-6-0x0000000004D00000-0x0000000004D01000-memory.dmp
memory/3108-7-0x0000000004BC0000-0x0000000004BC1000-memory.dmp
memory/3108-8-0x0000000004EB0000-0x0000000004EB1000-memory.dmp
memory/3108-2-0x00000000739A0000-0x000000007408E000-memory.dmp
memory/3108-10-0x0000000005D60000-0x0000000005D61000-memory.dmp
memory/3108-3-0x0000000000310000-0x0000000000311000-memory.dmp
memory/3108-12-0x00000000072E0000-0x000000000731E000-memory.dmp
memory/3108-13-0x0000000008320000-0x0000000008321000-memory.dmp
memory/3108-14-0x000000000B0B0000-0x000000000B0B1000-memory.dmp
memory/3108-15-0x0000000007320000-0x00000000073AD000-memory.dmp
memory/3108-16-0x00000000073B0000-0x0000000007409000-memory.dmp
memory/3108-17-0x0000000007410000-0x0000000007411000-memory.dmp