Analysis
- max time kernel
64s - max time network
118s - platform
windows7_x64 - resource
win7v200722 - submitted
13/10/2020, 17:43
General
- Target 647368836848827539648.exe
- Size 1.1MB
- Sample201013-2bekt2abm2
- SHA256 e1392a3d2fb4e8f4642bac6694948fc8ceeb970fc5acce7c04b4d97352122be8
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 4 IoCs
- 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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 9 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\647368836848827539648.exe"C:\Users\Admin\AppData\Local\Temp\647368836848827539648.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\647368836848827539648.exe"{path}"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/1056-0-0x00000000746A0000-0x0000000074D8E000-memory.dmp
memory/1056-1-0x0000000000E30000-0x0000000000E31000-memory.dmp
memory/1056-3-0x0000000000390000-0x0000000000394000-memory.dmp
memory/1056-4-0x0000000005380000-0x000000000543E000-memory.dmp
memory/1056-5-0x000000000A1E0000-0x000000000A29D000-memory.dmp
memory/1584-6-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1584-8-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1584-9-0x0000000000400000-0x0000000000486000-memory.dmp
memory/1584-10-0x00000000746A0000-0x0000000074D8E000-memory.dmp