Analysis
- max time kernel
4265058s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-en-20220112 - submitted
16/01/2022, 01:17
General
- Target bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe
- Size 216KB
- Sample220116-bncs1afbc6
- SHA256 bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
s1.20mb.nl
-
Port
587
-
Username
-
Password
Regina8712
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
- 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 2 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
- Checks processor information in registry 2 TTPs 2 IoCs
Processor information is often read in order to detect sandboxing environments.
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious use of AdjustPrivilegeToken 3 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe"C:\Users\Admin\AppData\Local\Temp\bea9fc669319cd16df759974397e79c05e7565e75ca7c052af346e08b5f1d13a.exe"1⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
C:\Windows\system32\MusNotification.exeC:\Windows\system32\MusNotification.exe1⤵
- Checks processor information in registry
- Suspicious use of AdjustPrivilegeToken
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
memory/2272-133-0x00000000004B0000-0x00000000004EC000-memory.dmp
memory/2272-134-0x00000000004B0000-0x00000000004EC000-memory.dmp
memory/2272-135-0x00000000054A0000-0x0000000005A44000-memory.dmp
memory/2272-136-0x0000000004EF0000-0x0000000004F82000-memory.dmp
memory/2272-137-0x0000000004E00000-0x0000000004E92000-memory.dmp
memory/2272-138-0x0000000005120000-0x00000000051BC000-memory.dmp
memory/2272-139-0x0000000005D90000-0x0000000005DF6000-memory.dmp
memory/2272-140-0x0000000006050000-0x00000000060A0000-memory.dmp
memory/2272-141-0x0000000000C80000-0x0000000000C8A000-memory.dmp
memory/2272-142-0x0000000004E00000-0x0000000004E92000-memory.dmp