Analysis
- max time kernel
149s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-en-20220113 - submitted
14/04/2022, 14:39
General
- Target SecuriteInfo.com.Suspicious.Win32.Save.a.7720.exe
- Size 509KB
- Sample220414-rz96mschfl
- SHA256 8a8bfcc1479d1515623ce9217dcb0814ece18e75758102909eb2f67a29ddabfa
Malware Config
Extracted
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
Success101@@
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.vivaldi.net
-
Port
587
-
Username
-
Password
Success101@@
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Drops file in Drivers directory 1 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
- Adds Run key to start application 2 TTPs 1 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 2 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\SecuriteInfo.com.Suspicious.Win32.Save.a.7720.exe"C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.7720.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\SecuriteInfo.com.Suspicious.Win32.Save.a.7720.exe"{path}"2⤵
- Drops file in Drivers directory
- Accesses Microsoft Outlook profiles
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- 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
SecuriteInfo.com.Suspicious.Win32.Save.a.7720.exe.log
memory/3544-139-0x0000000000400000-0x000000000043A000-memory.dmp
memory/3544-141-0x0000000005B80000-0x0000000005BE6000-memory.dmp
memory/3544-142-0x0000000006910000-0x0000000006960000-memory.dmp
memory/4024-133-0x00000000004E0000-0x0000000000566000-memory.dmp
memory/4024-134-0x0000000005590000-0x0000000005B34000-memory.dmp
memory/4024-135-0x0000000004EF0000-0x0000000004F82000-memory.dmp
memory/4024-136-0x0000000005080000-0x000000000511C000-memory.dmp
memory/4024-137-0x0000000004FA0000-0x0000000004FAA000-memory.dmp