Analysis
- max time kernel
145s - max time network
148s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
15/03/2023, 08:26
General
- Target 0371dcc69b7805359ccadcce117e8b35.exe
- Size 807KB
- Sample230315-kbvbyscc82
- SHA256 5632ae27980cf1407b52fe4a9da06e30cec16937a75971b4df6d875c14278c8d
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.valvulasthermovalve.cl
-
Port
21
-
Username
-
Password
LILKOOLL14!!
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 WriteProcessMemory 8 IoCs
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\0371dcc69b7805359ccadcce117e8b35.exe"C:\Users\Admin\AppData\Local\Temp\0371dcc69b7805359ccadcce117e8b35.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\0371dcc69b7805359ccadcce117e8b35.exe"C:\Users\Admin\AppData\Local\Temp\0371dcc69b7805359ccadcce117e8b35.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
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Downloads
0371dcc69b7805359ccadcce117e8b35.exe.log
memory/1288-139-0x0000000008640000-0x00000000086DC000-memory.dmp
memory/1288-135-0x0000000005AE0000-0x0000000005B72000-memory.dmp
memory/1288-136-0x0000000005C30000-0x0000000005C40000-memory.dmp
memory/1288-137-0x0000000005A80000-0x0000000005A8A000-memory.dmp
memory/1288-138-0x0000000005C30000-0x0000000005C40000-memory.dmp
memory/1288-133-0x0000000000FF0000-0x00000000010BE000-memory.dmp
memory/1288-134-0x0000000005FF0000-0x0000000006594000-memory.dmp
memory/4640-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4640-143-0x0000000004EE0000-0x0000000004F46000-memory.dmp
memory/4640-144-0x0000000004ED0000-0x0000000004EE0000-memory.dmp
memory/4640-145-0x00000000069B0000-0x0000000006A00000-memory.dmp
memory/4640-146-0x0000000006BD0000-0x0000000006D92000-memory.dmp
memory/4640-147-0x0000000004ED0000-0x0000000004EE0000-memory.dmp