Analysis
- max time kernel
68s - max time network
120s - platform
windows10_x64 - resource
win10v200722 - 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 2 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 8 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 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/636-7-0x0000000007560000-0x0000000007561000-memory.dmp
memory/636-9-0x0000000009DF0000-0x0000000009EAD000-memory.dmp
memory/636-4-0x0000000004FD0000-0x0000000004FD1000-memory.dmp
memory/636-5-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/636-6-0x0000000005200000-0x0000000005204000-memory.dmp
memory/636-0-0x0000000073270000-0x000000007395E000-memory.dmp
memory/636-8-0x0000000007490000-0x000000000754E000-memory.dmp
memory/636-3-0x0000000005430000-0x0000000005431000-memory.dmp
memory/636-1-0x0000000000650000-0x0000000000651000-memory.dmp
memory/4036-10-0x0000000000400000-0x0000000000486000-memory.dmp
memory/4036-13-0x0000000073270000-0x000000007395E000-memory.dmp
memory/4036-18-0x0000000006150000-0x0000000006151000-memory.dmp
memory/4036-20-0x0000000006A90000-0x0000000006A91000-memory.dmp