Analysis
- max time kernel
118s - max time network
133s - platform
windows10-2004_x64 - resource
win10v2004-20250502-en - resource tags
- submitted
09/05/2025, 13:29
General
- Target 0081fb53ed71968a848d5cd1f8a19baefdc97c1e82c111d844fdfec240fa4f52.exe
- Size 561KB
- Sample250509-qrfrdsep4z
- SHA256 0081fb53ed71968a848d5cd1f8a19baefdc97c1e82c111d844fdfec240fa4f52
Malware Config
Extracted
-
masslogger
-
https://api.telegram.org/bot7909313568:AAEPynogvu-iFVgRcoHJdqvMYuKJnd9qNQA/sendMessage?chat_id=7123661829
-
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 3 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\0081fb53ed71968a848d5cd1f8a19baefdc97c1e82c111d844fdfec240fa4f52.exe"C:\Users\Admin\AppData\Local\Temp\0081fb53ed71968a848d5cd1f8a19baefdc97c1e82c111d844fdfec240fa4f52.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\0081fb53ed71968a848d5cd1f8a19baefdc97c1e82c111d844fdfec240fa4f52.exe"C:\Users\Admin\AppData\Local\Temp\0081fb53ed71968a848d5cd1f8a19baefdc97c1e82c111d844fdfec240fa4f52.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\0081fb53ed71968a848d5cd1f8a19baefdc97c1e82c111d844fdfec240fa4f52.exe"C:\Users\Admin\AppData\Local\Temp\0081fb53ed71968a848d5cd1f8a19baefdc97c1e82c111d844fdfec240fa4f52.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
0081fb53ed71968a848d5cd1f8a19baefdc97c1e82c111d844fdfec240fa4f52.exe.log
memory/2792-11-0x0000000000400000-0x000000000041C000-memory.dmp
memory/2792-19-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/2792-18-0x00000000066C0000-0x0000000006882000-memory.dmp
memory/2792-17-0x0000000006300000-0x0000000006350000-memory.dmp
memory/2792-16-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/2792-14-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3944-4-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3944-8-0x000000007501E000-0x000000007501F000-memory.dmp
memory/3944-9-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3944-10-0x0000000002DB0000-0x0000000002E12000-memory.dmp
memory/3944-7-0x0000000005890000-0x00000000058AA000-memory.dmp
memory/3944-6-0x00000000056C0000-0x000000000575C000-memory.dmp
memory/3944-5-0x0000000005450000-0x000000000545A000-memory.dmp
memory/3944-15-0x0000000075010000-0x00000000757C0000-memory.dmp
memory/3944-0-0x000000007501E000-0x000000007501F000-memory.dmp
memory/3944-3-0x0000000005390000-0x0000000005422000-memory.dmp
memory/3944-2-0x0000000005940000-0x0000000005EE4000-memory.dmp
memory/3944-1-0x0000000000920000-0x00000000009B2000-memory.dmp