Analysis
- max time kernel
139s - max time network
143s - platform
windows10_x64 - resource
win10v200722 - submitted
16/10/2020, 08:33
General
- Target T6M.exe
- Size 1.4MB
- Sample201016-evc19gmatj
- SHA256 fa655773a5d44061edbaeedb2b3e31597bcefe870c47fdefdb39ea0bb072d31d
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 7 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\T6M.exe"C:\Users\Admin\AppData\Local\Temp\T6M.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\Powershell.exe"Powershell" Add-MpPreference -ExclusionPath '"C:\Users\Admin\AppData\Roaming\Microsoft\Windows\Start Menu\Programs\VideoLAN\vlc.exe"'2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\T6M.exe"C:\Users\Admin\AppData\Local\Temp\T6M.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/516-42-0x0000000006DE0000-0x0000000006DE1000-memory.dmp
memory/516-7-0x0000000000400000-0x0000000000486000-memory.dmp
memory/516-41-0x0000000006D10000-0x0000000006D11000-memory.dmp
memory/516-40-0x0000000006C00000-0x0000000006C01000-memory.dmp
memory/516-23-0x0000000005B90000-0x0000000005B91000-memory.dmp
memory/516-11-0x0000000073A60000-0x000000007414E000-memory.dmp
memory/516-22-0x00000000055F0000-0x00000000055F1000-memory.dmp
memory/812-3-0x0000000005330000-0x000000000539E000-memory.dmp
memory/812-0-0x0000000073A60000-0x000000007414E000-memory.dmp
memory/812-5-0x0000000002E50000-0x0000000002E5D000-memory.dmp
memory/812-1-0x00000000008B0000-0x00000000008B1000-memory.dmp
memory/3824-17-0x0000000007090000-0x0000000007091000-memory.dmp
memory/3824-32-0x0000000008E10000-0x0000000008E11000-memory.dmp
memory/3824-18-0x00000000079D0000-0x00000000079D1000-memory.dmp
memory/3824-19-0x00000000071E0000-0x00000000071E1000-memory.dmp
memory/3824-20-0x00000000082A0000-0x00000000082A1000-memory.dmp
memory/3824-21-0x00000000080C0000-0x00000000080C1000-memory.dmp
memory/3824-15-0x0000000006FF0000-0x0000000006FF1000-memory.dmp
memory/3824-12-0x0000000007230000-0x0000000007231000-memory.dmp
memory/3824-25-0x0000000009050000-0x0000000009083000-memory.dmp
memory/3824-16-0x0000000007170000-0x0000000007171000-memory.dmp
memory/3824-33-0x0000000009180000-0x0000000009181000-memory.dmp
memory/3824-35-0x00000000093A0000-0x00000000093A1000-memory.dmp
memory/3824-36-0x0000000008180000-0x0000000008181000-memory.dmp
memory/3824-38-0x0000000006C40000-0x0000000006C41000-memory.dmp
memory/3824-9-0x0000000004590000-0x0000000004591000-memory.dmp
memory/3824-6-0x0000000073A60000-0x000000007414E000-memory.dmp