Analysis
- max time kernel
146s - max time network
148s - platform
windows11-21h2_x64 - resource
win11-20250410-en - resource tags
- submitted
28/04/2025, 11:14
General
- Target Dhl Tracking.exe
- Size 761KB
- Sample250428-nb2mtattev
- SHA256 34bab60d1a03e397c209f4455d1dc0dc6cd2c1a5348da1e0e99f16e069723e22
Malware Config
Extracted
-
masslogger
-
https://api.telegram.org/bot7708941755:AAESo20CaDDAOjLLtHQBUxBHzsPN6t2HmCk/sendMessage?chat_id=8161167655
-
exfiltration_mode
#SMTPEnabled
-
expire_time_date
2025-05-10
-
host_password
SM@uj2022
-
host_port
587
- host_receiver
- host_sender
-
host_server
mail.ujexchange.com
-
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 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Dhl Tracking.exe"C:\Users\Admin\AppData\Local\Temp\Dhl Tracking.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Dhl Tracking.exe"C:\Users\Admin\AppData\Local\Temp\Dhl Tracking.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
Dhl Tracking.exe.log
memory/4808-11-0x0000000000400000-0x000000000041E000-memory.dmp
memory/4808-19-0x00000000746B0000-0x0000000074E61000-memory.dmp
memory/4808-18-0x0000000006840000-0x0000000006A02000-memory.dmp
memory/4808-17-0x0000000006520000-0x0000000006570000-memory.dmp
memory/4808-16-0x00000000746B0000-0x0000000074E61000-memory.dmp
memory/4808-14-0x00000000746B0000-0x0000000074E61000-memory.dmp
memory/5740-4-0x0000000005820000-0x000000000582A000-memory.dmp
memory/5740-8-0x00000000746B0000-0x0000000074E61000-memory.dmp
memory/5740-9-0x0000000005090000-0x00000000050F2000-memory.dmp
memory/5740-10-0x00000000092F0000-0x000000000938C000-memory.dmp
memory/5740-7-0x00000000746BE000-0x00000000746BF000-memory.dmp
memory/5740-6-0x0000000005B00000-0x0000000005B1A000-memory.dmp
memory/5740-5-0x00000000746B0000-0x0000000074E61000-memory.dmp
memory/5740-15-0x00000000746B0000-0x0000000074E61000-memory.dmp
memory/5740-0-0x00000000746BE000-0x00000000746BF000-memory.dmp
memory/5740-3-0x0000000005690000-0x0000000005722000-memory.dmp
memory/5740-2-0x0000000005B60000-0x0000000006106000-memory.dmp
memory/5740-1-0x0000000000B00000-0x0000000000BC4000-memory.dmp