Analysis
- max time kernel
81s - max time network
127s - platform
windows10_x64 - resource
win10v20201028 - submitted
05/11/2020, 08:20
General
- Target Attach Payment.exe
- Size 917KB
- Sample201105-xybbhr7kee
- SHA256 7283f1a78e8f419b00b37adad25f20ea27853d7cce0b4428e50e021fe7b9baeb
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 9 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Attach Payment.exe"C:\Users\Admin\AppData\Local\Temp\Attach Payment.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\Attach Payment.exe"C:\Users\Admin\AppData\Local\Temp\Attach Payment.exe"2⤵
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C:\Users\Admin\AppData\Local\Temp\Attach Payment.exe"C:\Users\Admin\AppData\Local\Temp\Attach Payment.exe"2⤵
- Checks computer location settings
- Suspicious behavior: AddClipboardFormatListener
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"powershell" Add-MpPreference -ExclusionPath 'C:\Users\Admin\AppData\Local\Temp\Attach Payment.exe'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/636-1-0x00000000005A0000-0x00000000005A1000-memory.dmp
memory/636-3-0x0000000004F00000-0x0000000004F01000-memory.dmp
memory/636-4-0x00000000054E0000-0x00000000054E1000-memory.dmp
memory/636-5-0x0000000004FE0000-0x0000000004FE1000-memory.dmp
memory/636-6-0x0000000004E90000-0x0000000004E91000-memory.dmp
memory/636-7-0x00000000051A0000-0x00000000051A1000-memory.dmp
memory/636-8-0x0000000004EC0000-0x0000000004ECB000-memory.dmp
memory/636-9-0x0000000005C60000-0x0000000005D18000-memory.dmp
memory/636-10-0x0000000005D20000-0x0000000005DA3000-memory.dmp
memory/636-0-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/1224-32-0x0000000008590000-0x0000000008591000-memory.dmp
memory/1224-30-0x0000000007D90000-0x0000000007D91000-memory.dmp
memory/1224-47-0x00000000096D0000-0x00000000096D1000-memory.dmp
memory/1224-45-0x00000000096E0000-0x00000000096E1000-memory.dmp
memory/1224-44-0x0000000009730000-0x0000000009731000-memory.dmp
memory/1224-22-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/1224-24-0x0000000006CE0000-0x0000000006CE1000-memory.dmp
memory/1224-26-0x00000000073D0000-0x00000000073D1000-memory.dmp
memory/1224-27-0x0000000007C10000-0x0000000007C11000-memory.dmp
memory/1224-28-0x0000000007A70000-0x0000000007A71000-memory.dmp
memory/1224-43-0x00000000095A0000-0x00000000095A1000-memory.dmp
memory/1224-31-0x0000000007C90000-0x0000000007C91000-memory.dmp
memory/1224-42-0x0000000009210000-0x0000000009211000-memory.dmp
memory/1224-33-0x0000000008460000-0x0000000008461000-memory.dmp
memory/1224-35-0x0000000009230000-0x0000000009263000-memory.dmp
memory/2040-11-0x0000000000400000-0x0000000000486000-memory.dmp
memory/2040-23-0x0000000007150000-0x0000000007151000-memory.dmp
memory/2040-19-0x0000000006810000-0x0000000006811000-memory.dmp
memory/2040-14-0x0000000073E00000-0x00000000744EE000-memory.dmp