Analysis
- max time kernel
61s - max time network
124s - platform
windows10_x64 - resource
win10v20201028 - submitted
28/02/2021, 07:18
General
- Target 264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.exe
- Size 729KB
- Sample210228-txvmfcs66e
- SHA256 264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820
Malware Config
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- MassLogger Main Payload 2 IoCs
- Beds Protector Packer 1 IoCs
Detects Beds Protector packer used to load .NET malware.
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.exe"C:\Users\Admin\AppData\Local\Temp\264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.exe"C:\Users\Admin\AppData\Local\Temp\264cbdbd496374f056458bc3487317ae1b4d4d3ba96b3d99f8005fcb71cd0820.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/3404-19-0x00000000063C0000-0x00000000063C1000-memory.dmp
memory/3404-13-0x0000000073900000-0x0000000073FEE000-memory.dmp
memory/3404-23-0x00000000052B3000-0x00000000052B5000-memory.dmp
memory/3404-21-0x0000000006CA0000-0x0000000006CA1000-memory.dmp
memory/3404-20-0x0000000006C50000-0x0000000006C51000-memory.dmp
memory/3404-16-0x00000000052B0000-0x00000000052B1000-memory.dmp
memory/3404-11-0x0000000000400000-0x0000000000486000-memory.dmp
memory/4688-3-0x00000000009B0000-0x00000000009B1000-memory.dmp
memory/4688-10-0x0000000005250000-0x0000000005251000-memory.dmp
memory/4688-9-0x0000000005240000-0x000000000524F000-memory.dmp
memory/4688-8-0x0000000005530000-0x0000000005531000-memory.dmp
memory/4688-2-0x0000000073900000-0x0000000073FEE000-memory.dmp
memory/4688-7-0x00000000053D0000-0x0000000005481000-memory.dmp
memory/4688-6-0x0000000005330000-0x0000000005331000-memory.dmp
memory/4688-5-0x0000000005830000-0x0000000005831000-memory.dmp