Analysis
- max time kernel
134s - max time network
121s - platform
windows10_x64 - resource
win10-en-20211104 - submitted
01/12/2021, 06:52
General
- Target 0iC#33002.exe
- Size 671KB
- Sample211201-hm3rcsdfc2
- SHA256 1df79ab2f458506485c16e48f42bc6aeb291e9b60f4677c1e9bf0b6646bb97bb
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.aquanova.es
-
Port
587
-
Username
-
Password
Aquaribe2419*
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- AgentTesla Payload 2 IoCs
- 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 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 11 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0iC#33002.exe"C:\Users\Admin\AppData\Local\Temp\0iC#33002.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\0iC#33002.exe"C:\Users\Admin\AppData\Local\Temp\0iC#33002.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\0iC#33002.exe"C:\Users\Admin\AppData\Local\Temp\0iC#33002.exe"2⤵
- Drops file in Drivers directory
- 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
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Downloads
memory/3680-127-0x0000000000400000-0x000000000043C000-memory.dmp
memory/3680-138-0x0000000002AC1000-0x0000000002AC2000-memory.dmp
memory/3680-135-0x0000000005D30000-0x0000000005D31000-memory.dmp
memory/3680-134-0x00000000051C0000-0x00000000051C1000-memory.dmp
memory/3680-133-0x0000000002AC0000-0x0000000002AC1000-memory.dmp
memory/3956-122-0x0000000004EC0000-0x0000000004EC1000-memory.dmp
memory/3956-126-0x0000000005F60000-0x0000000005FC9000-memory.dmp
memory/3956-125-0x0000000005DC0000-0x0000000005DC1000-memory.dmp
memory/3956-124-0x0000000004E40000-0x000000000533E000-memory.dmp
memory/3956-123-0x00000000050E0000-0x00000000050E6000-memory.dmp
memory/3956-118-0x00000000005C0000-0x00000000005C1000-memory.dmp
memory/3956-121-0x0000000004EE0000-0x0000000004EE1000-memory.dmp
memory/3956-120-0x0000000005340000-0x0000000005341000-memory.dmp