Analysis
- max time kernel
109s - max time network
111s - platform
windows7_x64 - resource
win7v20201028 - submitted
28/02/2021, 07:18
General
- Target 264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.exe
- Size 729KB
- Sample210228-txvmfcs66e
- SHA256 264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 3 IoCs
- Beds Protector Packer 1 IoCs
Detects Beds Protector packer used to load .NET malware.
- Checks computer location settings 2 TTPs 1 IoCs
Looks up country code configured in the registry, likely geofence.
- 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 use of SetThreadContext 1 IoCs
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 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\264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.exe"C:\Users\Admin\AppData\Local\Temp\264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.exe"C:\Users\Admin\AppData\Local\Temp\264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.exe"2⤵
- Checks computer location settings
- 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/1432-2-0x0000000074520000-0x0000000074C0E000-memory.dmp
memory/1432-3-0x0000000000A10000-0x0000000000A11000-memory.dmp
memory/1432-5-0x0000000004770000-0x0000000004821000-memory.dmp
memory/1432-6-0x0000000000520000-0x000000000052F000-memory.dmp
memory/1432-12-0x00000000049F0000-0x00000000049F1000-memory.dmp
memory/2000-7-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2000-9-0x0000000074520000-0x0000000074C0E000-memory.dmp
memory/2000-10-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2000-13-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/2000-14-0x0000000004EC5000-0x0000000004ED6000-memory.dmp