Analysis
- max time kernel
148s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
15/05/2023, 12:01
General
- Target 7b01a2cb28ca9380f7bfc9537e21c337.exe
- Size 587KB
- Sample230515-n6wp2sdf3s
- SHA256 d94ff3cae0cda84338cd5a45ba92639c5e824a77a8de9f4e77a69b9307f3e69d
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\7b01a2cb28ca9380f7bfc9537e21c337.exe"C:\Users\Admin\AppData\Local\Temp\7b01a2cb28ca9380f7bfc9537e21c337.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\7b01a2cb28ca9380f7bfc9537e21c337.exe"C:\Users\Admin\AppData\Local\Temp\7b01a2cb28ca9380f7bfc9537e21c337.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
7b01a2cb28ca9380f7bfc9537e21c337.exe.log
memory/1008-139-0x0000000007040000-0x00000000070DC000-memory.dmp
memory/1008-135-0x00000000052C0000-0x0000000005352000-memory.dmp
memory/1008-136-0x0000000005370000-0x000000000537A000-memory.dmp
memory/1008-137-0x0000000005520000-0x0000000005530000-memory.dmp
memory/1008-138-0x0000000005520000-0x0000000005530000-memory.dmp
memory/1008-133-0x0000000000880000-0x000000000091A000-memory.dmp
memory/1008-134-0x0000000005940000-0x0000000005EE4000-memory.dmp
memory/4368-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/4368-143-0x0000000005000000-0x0000000005066000-memory.dmp
memory/4368-144-0x00000000050D0000-0x00000000050E0000-memory.dmp
memory/4368-145-0x0000000006A70000-0x0000000006AC0000-memory.dmp
memory/4368-146-0x0000000006DB0000-0x0000000006F72000-memory.dmp
memory/4368-147-0x00000000050D0000-0x00000000050E0000-memory.dmp