Analysis
- max time kernel
149s - max time network
152s - platform
windows10_x64 - resource
win10v20201028 - submitted
12/01/2021, 17:57
General
- Target DHL_Jan 20201 at 1.10_8BZ290_PDF.exe
- Size 718KB
- Sample210112-mplayytm4a
- SHA256 5b5242b822fbc961a9b3135ed169399695ab26ee429196917b12a8d651292981
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 6 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\DHL_Jan 20201 at 1.10_8BZ290_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 20201 at 1.10_8BZ290_PDF.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DHL_Jan 20201 at 1.10_8BZ290_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 20201 at 1.10_8BZ290_PDF.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\DHL_Jan 20201 at 1.10_8BZ290_PDF.exe"C:\Users\Admin\AppData\Local\Temp\DHL_Jan 20201 at 1.10_8BZ290_PDF.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/508-2-0x0000000073520000-0x0000000073C0E000-memory.dmp
memory/508-3-0x00000000006D0000-0x00000000006D1000-memory.dmp
memory/508-5-0x00000000053E0000-0x00000000053E1000-memory.dmp
memory/508-6-0x0000000004FC0000-0x0000000004FC1000-memory.dmp
memory/508-7-0x0000000005120000-0x0000000005121000-memory.dmp
memory/508-8-0x0000000008570000-0x000000000861E000-memory.dmp
memory/508-9-0x0000000008620000-0x0000000008621000-memory.dmp
memory/508-10-0x0000000008A30000-0x0000000008A31000-memory.dmp
memory/508-11-0x0000000008990000-0x000000000899F000-memory.dmp
memory/3788-12-0x0000000000400000-0x0000000000486000-memory.dmp
memory/3788-14-0x0000000073520000-0x0000000073C0E000-memory.dmp
memory/3788-19-0x0000000006690000-0x0000000006691000-memory.dmp
memory/3788-20-0x0000000006FC0000-0x0000000006FC1000-memory.dmp