Analysis
- max time kernel
117s - max time network
118s - platform
windows11-21h2_x64 - resource
win11-20250502-en - resource tags
- submitted
09/05/2025, 13:40
General
- Target 5e4675293aef9541e937220098ea561b15c44d2e22d8ac1fe3f4e0ee8b5aa09f.exe
- Size 562KB
- Sample250509-qysdrswmt2
- SHA256 5e4675293aef9541e937220098ea561b15c44d2e22d8ac1fe3f4e0ee8b5aa09f
Malware Config
Extracted
-
masslogger
-
https://api.telegram.org/bot7651004190:AAE860hHGVHpx41mxFNWpq1v8oOiRe2jxS8/sendMessage?chat_id=7277519501
-
exfiltration_mode
#TGEnabled
-
expire_time_date
2025-05-08
-
ssl_slate
False
Signatures
- MassLogger
Masslogger is a .NET stealer targeting passwords from browsers, email and cryptocurrency clients.
- Masslogger family
- Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
- Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Looks up external IP address via web service 4 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\5e4675293aef9541e937220098ea561b15c44d2e22d8ac1fe3f4e0ee8b5aa09f.exe"C:\Users\Admin\AppData\Local\Temp\5e4675293aef9541e937220098ea561b15c44d2e22d8ac1fe3f4e0ee8b5aa09f.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\5e4675293aef9541e937220098ea561b15c44d2e22d8ac1fe3f4e0ee8b5aa09f.exe"C:\Users\Admin\AppData\Local\Temp\5e4675293aef9541e937220098ea561b15c44d2e22d8ac1fe3f4e0ee8b5aa09f.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\5e4675293aef9541e937220098ea561b15c44d2e22d8ac1fe3f4e0ee8b5aa09f.exe"C:\Users\Admin\AppData\Local\Temp\5e4675293aef9541e937220098ea561b15c44d2e22d8ac1fe3f4e0ee8b5aa09f.exe"2⤵
- Accesses Microsoft Outlook profiles
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
5e4675293aef9541e937220098ea561b15c44d2e22d8ac1fe3f4e0ee8b5aa09f.exe.log
memory/1188-4-0x0000000005A30000-0x0000000005A3A000-memory.dmp
memory/1188-15-0x0000000074940000-0x00000000750F1000-memory.dmp
memory/1188-3-0x0000000005880000-0x0000000005912000-memory.dmp
memory/1188-0-0x000000007494E000-0x000000007494F000-memory.dmp
memory/1188-5-0x0000000074940000-0x00000000750F1000-memory.dmp
memory/1188-6-0x0000000005BE0000-0x0000000005C7C000-memory.dmp
memory/1188-7-0x0000000005C90000-0x0000000005CAA000-memory.dmp
memory/1188-8-0x000000007494E000-0x000000007494F000-memory.dmp
memory/1188-2-0x0000000005EF0000-0x0000000006496000-memory.dmp
memory/1188-9-0x0000000074940000-0x00000000750F1000-memory.dmp
memory/1188-10-0x00000000032A0000-0x0000000003302000-memory.dmp
memory/1188-1-0x0000000000D50000-0x0000000000DE2000-memory.dmp
memory/1468-14-0x0000000074940000-0x00000000750F1000-memory.dmp
memory/1468-11-0x0000000000400000-0x000000000041C000-memory.dmp
memory/1468-16-0x0000000074940000-0x00000000750F1000-memory.dmp
memory/1468-17-0x00000000062B0000-0x0000000006300000-memory.dmp
memory/1468-18-0x00000000065D0000-0x0000000006792000-memory.dmp
memory/1468-19-0x0000000074940000-0x00000000750F1000-memory.dmp