Analysis
- max time kernel
145s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
07/03/2023, 12:08
General
- Target rAwb8457108962.exe
- Size 821KB
- Sample230307-pawkvahc5z
- SHA256 589459202b13d455eb66686b0ad19c3dcadc8b7b915515fced84ede742868c10
Malware Config
Extracted
-
agenttesla
-
https://discord.com/api/webhooks/1081900989902241792/rFoN7jlk0MR9o77RpDTjOrhpsFg6tisJf4nr5Ve5BgdWMpUtC-5sPLHRnlZHzX0I_4Pg
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- Adds Run key to start application 2 TTPs 1 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs
- Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 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\rAwb8457108962.exe"C:\Users\Admin\AppData\Local\Temp\rAwb8457108962.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\rAwb8457108962.exe"C:\Users\Admin\AppData\Local\Temp\rAwb8457108962.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
rAwb8457108962.exe.log
memory/4200-134-0x00000000060A0000-0x0000000006644000-memory.dmp
memory/4200-135-0x0000000005AE0000-0x0000000005AF0000-memory.dmp
memory/4200-136-0x0000000005AF0000-0x0000000005B82000-memory.dmp
memory/4200-137-0x0000000005AE0000-0x0000000005AF0000-memory.dmp
memory/4200-138-0x00000000068D0000-0x000000000696C000-memory.dmp
memory/4200-133-0x0000000000E40000-0x0000000000F12000-memory.dmp
memory/5100-139-0x0000000000400000-0x0000000000430000-memory.dmp
memory/5100-142-0x0000000005750000-0x00000000057B6000-memory.dmp
memory/5100-143-0x0000000003210000-0x0000000003220000-memory.dmp
memory/5100-146-0x0000000007410000-0x000000000741A000-memory.dmp
memory/5100-147-0x0000000007510000-0x0000000007560000-memory.dmp
memory/5100-148-0x0000000007730000-0x00000000078F2000-memory.dmp
memory/5100-155-0x0000000003210000-0x0000000003220000-memory.dmp