Analysis
- max time kernel
39s - max time network
135s - platform
windows10_x64 - resource
win10v20201028 - submitted
30/11/2020, 21:52
General
- Target SecuriteInfo.com.Generic.mg.4fe4c85d2319e113.17989.exe
- Size 735KB
- Sample201130-nbxnlj9pva
- SHA256 1e86893e03f2f3bec014fc26e5fabd65fdfa2ddf14111707d0ef20dadf5bcef9
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.
- Adds Run key to start application 2 TTPs 1 IoCs
- 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 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4fe4c85d2319e113.17989.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4fe4c85d2319e113.17989.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4fe4c85d2319e113.17989.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Generic.mg.4fe4c85d2319e113.17989.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/1316-9-0x0000000007A50000-0x0000000007A51000-memory.dmp
memory/1316-5-0x0000000005BF0000-0x0000000005BF1000-memory.dmp
memory/1316-6-0x00000000056F0000-0x00000000056F1000-memory.dmp
memory/1316-7-0x0000000005670000-0x0000000005671000-memory.dmp
memory/1316-8-0x0000000007360000-0x0000000007404000-memory.dmp
memory/1316-2-0x0000000073C50000-0x000000007433E000-memory.dmp
memory/1316-10-0x0000000007F40000-0x0000000007F56000-memory.dmp
memory/1316-3-0x0000000000D80000-0x0000000000D81000-memory.dmp
memory/2100-11-0x0000000000400000-0x00000000004B4000-memory.dmp
memory/2100-14-0x0000000073C50000-0x000000007433E000-memory.dmp
memory/2100-20-0x00000000068F0000-0x00000000068F1000-memory.dmp
memory/2100-22-0x0000000006AD0000-0x0000000006AD1000-memory.dmp