Analysis
- max time kernel
24s - max time network
114s - platform
windows10_x64 - resource
win10v20201028 - submitted
13/12/2020, 17:12
General
- Target nwamamassloga.scr
- Size 5.7MB
- Sample201213-y29fpt9dqj
- SHA256 cf25b0ff9d683b638d718b02dcd5cce5bf0f42a121d9794c4048cacf38602940
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 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 11 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
-
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/576-2-0x0000000073560000-0x0000000073C4E000-memory.dmp
memory/576-3-0x0000000000200000-0x0000000000201000-memory.dmp
memory/576-5-0x0000000002BF0000-0x0000000002C7D000-memory.dmp
memory/576-6-0x0000000005510000-0x0000000005511000-memory.dmp
memory/576-7-0x00000000050B0000-0x00000000050B1000-memory.dmp
memory/3124-8-0x0000000000400000-0x0000000000486000-memory.dmp
memory/3124-11-0x0000000073560000-0x0000000073C4E000-memory.dmp
memory/3124-14-0x0000000005610000-0x0000000005611000-memory.dmp
memory/3124-16-0x00000000066A0000-0x00000000066A1000-memory.dmp
memory/3124-21-0x0000000006F60000-0x0000000006F61000-memory.dmp
memory/3124-19-0x0000000006F90000-0x0000000006F91000-memory.dmp
memory/3728-20-0x00000000048C0000-0x00000000048C1000-memory.dmp
memory/3728-28-0x00000000080E0000-0x00000000080E1000-memory.dmp
memory/3728-22-0x00000000072B0000-0x00000000072B1000-memory.dmp
memory/3728-24-0x0000000007960000-0x0000000007961000-memory.dmp
memory/3728-25-0x0000000007B10000-0x0000000007B11000-memory.dmp
memory/3728-27-0x0000000007CF0000-0x0000000007CF1000-memory.dmp
memory/3728-18-0x0000000073560000-0x0000000073C4E000-memory.dmp
memory/3728-29-0x0000000008310000-0x0000000008311000-memory.dmp
memory/3728-30-0x0000000008410000-0x0000000008411000-memory.dmp
memory/3728-32-0x0000000009180000-0x00000000091B3000-memory.dmp
memory/3728-39-0x0000000009160000-0x0000000009161000-memory.dmp
memory/3728-40-0x00000000092D0000-0x00000000092D1000-memory.dmp
memory/3728-41-0x00000000096F0000-0x00000000096F1000-memory.dmp
memory/3728-42-0x0000000009650000-0x0000000009651000-memory.dmp
memory/3728-44-0x0000000006F80000-0x0000000006F81000-memory.dmp