Analysis
- max time kernel
59s - max time network
105s - platform
windows7_x64 - resource
win7v200430 - submitted
29/06/2020, 12:24
General
- Target PO_6292020_IMG.exe
- Size 884KB
- Sample200629-ylvb2qhm1n
- SHA256 ece833b1eb93817bbbdaa4e6ae2c05da09afd81704edc29c0908af20156710c5
Score
10/10
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\Local\Temp\C8A579F880\Log.txt
-
masslogger
Ransom Note
- ################################################################# MassLogger v1.3.7.1 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.13 Location: United States Windows OS: Microsoft Windows 7 Professional 64bit Windows Serial Key: HYF8J-CVRMY-CM74G-RPHKF-PW487 CPU: Persocon Processor 2.5+ GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 6/29/2020 2:24:48 PM MassLogger Started: 6/29/2020 2:24:42 PM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\PO_6292020_IMG.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:
Signatures
- Suspicious use of WriteProcessMemory 9 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
- Suspicious behavior: AddClipboardFormatListener 1 IoCs
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- 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 SetWindowsHookEx 1 IoCs
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
Processes
-
C:\Users\Admin\AppData\Local\Temp\PO_6292020_IMG.exe"C:\Users\Admin\AppData\Local\Temp\PO_6292020_IMG.exe"1⤵
- Suspicious use of WriteProcessMemory
- Suspicious use of SetThreadContext
-
C:\Users\Admin\AppData\Local\Temp\PO_6292020_IMG.exe"{path}"2⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: AddClipboardFormatListener
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/1040-2-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/1040-4-0x0000000000400000-0x00000000004A8000-memory.dmp
memory/1040-5-0x0000000000400000-0x00000000004A8000-memory.dmp