Analysis
- max time kernel
55s - max time network
134s - platform
windows10_x64 - resource
win10v200722 - submitted
16/10/2020, 13:45
General
- Target PROJECT_.EXE
- Size 732KB
- Sample201016-5ee14ye7dj
- SHA256 bcfe0d241a8b8749dfc05df3ed830a99df7c764c3d69e72851f736c24bcbab93
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 3 IoCs
- UPX packed file 4 IoCs
Detects executables packed with UPX/modified UPX open source packer.
- 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 behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\PROJECT_.EXE"C:\Users\Admin\AppData\Local\Temp\PROJECT_.EXE"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
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C:\Users\Admin\AppData\Local\Temp\PROJECT_.EXE"C:\Users\Admin\AppData\Local\Temp\PROJECT_.EXE"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\PROJECT_.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/408-0-0x0000000000400000-0x0000000000526000-memory.dmp
memory/3064-1-0x0000000000400000-0x000000000051E000-memory.dmp
memory/3064-3-0x0000000000400000-0x000000000051E000-memory.dmp
memory/3064-4-0x0000000000400000-0x000000000051E000-memory.dmp
memory/3064-5-0x0000000002300000-0x0000000002386000-memory.dmp
memory/3064-6-0x00000000022F2000-0x00000000022F3000-memory.dmp
memory/3064-7-0x0000000072F30000-0x000000007361E000-memory.dmp
memory/3064-10-0x0000000004A90000-0x0000000004A91000-memory.dmp
memory/3064-11-0x0000000004CA0000-0x0000000004CA1000-memory.dmp
memory/3064-12-0x0000000005990000-0x0000000005991000-memory.dmp
memory/3064-19-0x00000000062E0000-0x00000000062E1000-memory.dmp
memory/3064-18-0x00000000061F0000-0x00000000061F1000-memory.dmp
memory/3064-15-0x0000000006160000-0x0000000006161000-memory.dmp
memory/3828-16-0x0000000004CD0000-0x0000000004CD1000-memory.dmp
memory/3828-24-0x00000000073A0000-0x00000000073A1000-memory.dmp
memory/3828-14-0x0000000072F30000-0x000000007361E000-memory.dmp
memory/3828-20-0x0000000007F60000-0x0000000007F61000-memory.dmp
memory/3828-21-0x0000000008000000-0x0000000008001000-memory.dmp
memory/3828-23-0x0000000008190000-0x0000000008191000-memory.dmp
memory/3828-17-0x0000000007930000-0x0000000007931000-memory.dmp
memory/3828-25-0x00000000080B0000-0x00000000080B1000-memory.dmp
memory/3828-26-0x0000000008870000-0x0000000008871000-memory.dmp
memory/3828-28-0x0000000009590000-0x00000000095C3000-memory.dmp
memory/3828-35-0x0000000009570000-0x0000000009571000-memory.dmp
memory/3828-36-0x00000000098E0000-0x00000000098E1000-memory.dmp
memory/3828-37-0x0000000009B90000-0x0000000009B91000-memory.dmp
memory/3828-38-0x0000000009AF0000-0x0000000009AF1000-memory.dmp
memory/3828-40-0x0000000008990000-0x0000000008991000-memory.dmp