Analysis
- max time kernel
123s - max time network
124s - platform
windows7_x64 - resource
win7v20201028 - submitted
15/12/2020, 12:42
General
- Target nwamamassloga.scr
- Size 5.5MB
- Sample201215-gh2mh4cev6
- SHA256 d0d99283b85e0d8c899857c8e9f37a51c6af357f915124078a367a0687607a29
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 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr" /S1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr"C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\nwamamassloga.scr'3⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
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Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
memory/800-2-0x00000000746D0000-0x0000000074DBE000-memory.dmp
memory/800-3-0x0000000001030000-0x0000000001031000-memory.dmp
memory/800-5-0x0000000000F10000-0x0000000000F98000-memory.dmp
memory/916-6-0x0000000000400000-0x0000000000486000-memory.dmp
memory/916-8-0x0000000000400000-0x0000000000486000-memory.dmp
memory/916-9-0x0000000000400000-0x0000000000486000-memory.dmp
memory/916-10-0x00000000739B0000-0x000000007409E000-memory.dmp
memory/1624-14-0x00000000739B0000-0x000000007409E000-memory.dmp
memory/1624-15-0x0000000000D50000-0x0000000000D51000-memory.dmp
memory/1624-16-0x0000000004810000-0x0000000004811000-memory.dmp
memory/1624-17-0x0000000002580000-0x0000000002581000-memory.dmp
memory/1624-18-0x0000000005240000-0x0000000005241000-memory.dmp
memory/1624-21-0x0000000005660000-0x0000000005661000-memory.dmp
memory/1624-26-0x0000000006050000-0x0000000006051000-memory.dmp
memory/1624-27-0x0000000006150000-0x0000000006151000-memory.dmp
memory/1624-34-0x0000000006280000-0x0000000006281000-memory.dmp
memory/1624-35-0x00000000055D0000-0x00000000055D1000-memory.dmp
memory/1624-49-0x0000000006300000-0x0000000006301000-memory.dmp
memory/1624-50-0x0000000006310000-0x0000000006311000-memory.dmp