Analysis
- max time kernel
120s - max time network
123s - platform
windows10_x64 - resource
win10 - submitted
01/07/2020, 10:18
General
- Target b8b686b4300a7dc753bb50992739133c.exe
- Size 544KB
- Sample200701-wrpvmephb2
- SHA256 89c1555df1aec68698da57ff4e65909c72081a3560d59e0ccdc8b150adcdf9f6
Score
10/10
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\Local\Temp\480F96756F\Log.txt
-
masslogger
Ransom Note
- ################################################################# MassLogger v2.0.0.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.51 Location: United States Windows OS: Microsoft Windows 10 Pro 64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Persocon Processor 2.5+ GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 7/1/2020 10:18:19 AM MassLogger Started: 7/1/2020 10:18:15 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\b8b686b4300a7dc753bb50992739133c.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:
Signatures
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Reads user/profile data of web browsers 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious behavior: EnumeratesProcesses 1 IoCs
- MassLogger log file 1 IoCs
Detects a log file produced by MassLogger.
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
Processes
-
C:\Users\Admin\AppData\Local\Temp\b8b686b4300a7dc753bb50992739133c.exe"C:\Users\Admin\AppData\Local\Temp\b8b686b4300a7dc753bb50992739133c.exe"1⤵
- Suspicious use of AdjustPrivilegeToken
- Suspicious behavior: EnumeratesProcesses