General
- Target ef0ad2f70a1fcffe2cd3e3c28adb13d7dfd0b7745405883524f27a13d46d4f24
- Size 804KB
- Sample220521-cbjapadef4
- SHA256 ef0ad2f70a1fcffe2cd3e3c28adb13d7dfd0b7745405883524f27a13d46d4f24
Score
10/10
Malware Config
Extracted
Path
-
C:\Users\Admin\AppData\Local\Temp\AEF946DCB4\Log.txt
-
masslogger
Ransom Note
- ################################################################# MassLogger v1.3.7.0 ################################################################# ### Logger Details ### User Name: Admin IP: 154.61.71.50 Location: United States Windows OS: Microsoft Windows 7 Ultimate 64bit Windows Serial Key: D4F6K-QK3RD-TMVMJ-BBMRX-3MBMV CPU: Intel Core Processor (Broadwell) GPU: Standard VGA Graphics Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 4:53:57 AM MassLogger Started: 5/21/2022 4:53:39 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Documents.pdf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:
Extracted
Path
-
C:\Users\Admin\AppData\Local\Temp\F95B724EDE\Log.txt
-
masslogger
Ransom Note
- ################################################################# MassLogger v1.3.7.0 ################################################################# ### Logger Details ### User Name: Admin IP: 127.0.0.1 Location: United States Windows OS: Microsoft Windows 10 Pro64bit Windows Serial Key: W269N-WFGWX-YVC9B-4J6C9-T83GX CPU: Intel Core Processor (Broadwell) GPU: Microsoft Basic Display Adapter AV: NA Screen Resolution: 1280x720 Current Time: 5/21/2022 4:54:22 AM MassLogger Started: 5/21/2022 4:53:24 AM Interval: 2 hour MassLogger Process: C:\Users\Admin\AppData\Local\Temp\Documents.pdf.exe MassLogger Melt: false MassLogger Exit after delivery: false As Administrator: True Processes:
Targets
-
- Target Documents.pdf.exe
- Size 842KB
- SHA256 44a9da622295549820b1eb9645b524cc0a54b3c91832be3ba44630866a179607
Score10/10MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
MassLogger Main Payload
MassLogger log file
Detects a log file produced by MassLogger.
ReZer0 packer
Detects ReZer0, a packer with multiple versions used in various campaigns.
Checks computer location settings
Looks up country code configured in the registry, likely geofence.
Reads user/profile data of web browsers
Infostealers often target stored browser data, which can include saved credentials etc.
Accesses Microsoft Outlook profiles
Looks up external IP address via web service
Uses a legitimate IP lookup service to find the infected system's external IP.
Suspicious use of SetThreadContext