Analysis
- max time kernel
75s - max time network
145s - platform
windows10_x64 - resource
win10v20201028 - submitted
30/11/2020, 14:25
General
- Target PAYMENT REMIT COPY 673578.pif.exe
- Size 611KB
- Sample201130-kzdm7rysnj
- SHA256 53683da1f2e21ec38952bbde9fd4e04330333cbda4185d1562f99ab31af17ea5
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\PAYMENT REMIT COPY 673578.pif.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT REMIT COPY 673578.pif.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\PAYMENT REMIT COPY 673578.pif.exe"C:\Users\Admin\AppData\Local\Temp\PAYMENT REMIT COPY 673578.pif.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/640-9-0x00000000052C0000-0x00000000052D6000-memory.dmp
memory/640-5-0x0000000005300000-0x0000000005301000-memory.dmp
memory/640-6-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
memory/640-7-0x0000000004E70000-0x0000000004E71000-memory.dmp
memory/640-8-0x0000000006B70000-0x0000000006C08000-memory.dmp
memory/640-2-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/640-3-0x00000000005A0000-0x00000000005A1000-memory.dmp
memory/3008-10-0x0000000000400000-0x0000000000488000-memory.dmp
memory/3008-13-0x0000000073E00000-0x00000000744EE000-memory.dmp
memory/3008-18-0x00000000063D0000-0x00000000063D1000-memory.dmp
memory/3008-20-0x0000000006CC0000-0x0000000006CC1000-memory.dmp
memory/3008-21-0x0000000006EB0000-0x0000000006EB1000-memory.dmp