Analysis
- max time kernel
88s - max time network
117s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
21/04/2023, 15:48
General
- Target DHL Shipment.exe
- Size 621KB
- Sample230421-s8shmaae2t
- SHA256 bbdd3c67e8780f70bb81bbd019cc39c40b8efb9653dcef5e625409fc3ceedd10
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.nssltalia.com
-
Port
587
-
Username
-
Password
jSPKfh#5
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.nssltalia.com
-
Port
587
-
Username
-
Password
jSPKfh#5
-
Email to
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
- 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\DHL Shipment.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\DHL Shipment.exe"C:\Users\Admin\AppData\Local\Temp\DHL Shipment.exe"2⤵
- Accesses Microsoft Outlook profiles
- 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
DHL Shipment.exe.log
memory/3372-139-0x00000000058A0000-0x00000000058B0000-memory.dmp
memory/3372-134-0x0000000005ED0000-0x0000000006474000-memory.dmp
memory/3372-136-0x00000000058A0000-0x00000000058B0000-memory.dmp
memory/3372-137-0x00000000058A0000-0x00000000058B0000-memory.dmp
memory/3372-138-0x00000000087E0000-0x000000000887C000-memory.dmp
memory/3372-133-0x0000000000DC0000-0x0000000000E62000-memory.dmp
memory/3372-135-0x00000000059D0000-0x0000000005A62000-memory.dmp
memory/4328-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4328-143-0x00000000051E0000-0x0000000005246000-memory.dmp
memory/4328-144-0x00000000054B0000-0x00000000054C0000-memory.dmp
memory/4328-145-0x0000000006CD0000-0x0000000006CDA000-memory.dmp
memory/4328-146-0x0000000006D90000-0x0000000006DE0000-memory.dmp
memory/4328-147-0x0000000006FB0000-0x0000000007172000-memory.dmp
memory/4328-154-0x00000000054B0000-0x00000000054C0000-memory.dmp