Analysis
- max time kernel
154s - max time network
155s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
20/06/2023, 06:50
General
- Target f0ea882b05f763307b1c230b0d15aa98.exe
- Size 751KB
- Sample230620-hlyq1sbg21
- SHA256 0d49707dd3dc7f33643c03ec81f9dc60fdacb43d47a577f3a80eb6ffd2851254
Malware Config
Extracted
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
wkrd%Jw9
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
us2.smtp.mailhostbox.com
-
Port
587
-
Username
-
Password
wkrd%Jw9
-
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
- Adds Run key to start application 2 TTPs 1 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 behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\f0ea882b05f763307b1c230b0d15aa98.exe"C:\Users\Admin\AppData\Local\Temp\f0ea882b05f763307b1c230b0d15aa98.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\f0ea882b05f763307b1c230b0d15aa98.exe"C:\Users\Admin\AppData\Local\Temp\f0ea882b05f763307b1c230b0d15aa98.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\f0ea882b05f763307b1c230b0d15aa98.exe"C:\Users\Admin\AppData\Local\Temp\f0ea882b05f763307b1c230b0d15aa98.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\f0ea882b05f763307b1c230b0d15aa98.exe"C:\Users\Admin\AppData\Local\Temp\f0ea882b05f763307b1c230b0d15aa98.exe"2⤵
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
f0ea882b05f763307b1c230b0d15aa98.exe.log
memory/2244-139-0x0000000005FD0000-0x000000000606C000-memory.dmp
memory/2244-135-0x0000000004EC0000-0x0000000004F52000-memory.dmp
memory/2244-136-0x0000000004EA0000-0x0000000004EB0000-memory.dmp
memory/2244-137-0x0000000004E90000-0x0000000004E9A000-memory.dmp
memory/2244-138-0x0000000004EA0000-0x0000000004EB0000-memory.dmp
memory/2244-133-0x0000000000410000-0x00000000004D2000-memory.dmp
memory/2244-134-0x0000000005580000-0x0000000005B24000-memory.dmp
memory/3280-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3280-143-0x0000000005600000-0x0000000005666000-memory.dmp
memory/3280-144-0x00000000058D0000-0x00000000058E0000-memory.dmp
memory/3280-146-0x0000000006C90000-0x0000000006CE0000-memory.dmp
memory/3280-147-0x0000000006EB0000-0x0000000007072000-memory.dmp
memory/3280-154-0x00000000058D0000-0x00000000058E0000-memory.dmp