Analysis
- max time kernel
150s - max time network
153s - platform
windows10-2004_x64 - resource
win10v2004-20230220-en - resource tags
- submitted
03/03/2023, 15:32
General
- Target b32ca16cfa9f842a9191c73c114dac8a.exe
- Size 1.1MB
- Sample230303-sym56aaa95
- SHA256 bc547f7978f4abebf31a6659ba9715abdad0b345f725d63bfe4429b868bc5113
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 behavior: EnumeratesProcesses 2 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\b32ca16cfa9f842a9191c73c114dac8a.exe"C:\Users\Admin\AppData\Local\Temp\b32ca16cfa9f842a9191c73c114dac8a.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\b32ca16cfa9f842a9191c73c114dac8a.exe"C:\Users\Admin\AppData\Local\Temp\b32ca16cfa9f842a9191c73c114dac8a.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\b32ca16cfa9f842a9191c73c114dac8a.exe"C:\Users\Admin\AppData\Local\Temp\b32ca16cfa9f842a9191c73c114dac8a.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v6
Replay Monitor
Loading Replay Monitor...
Downloads
b32ca16cfa9f842a9191c73c114dac8a.exe.log
memory/3552-140-0x0000000000400000-0x0000000000430000-memory.dmp
memory/3552-147-0x0000000003160000-0x0000000003170000-memory.dmp
memory/3552-146-0x00000000074D0000-0x0000000007692000-memory.dmp
memory/3552-145-0x00000000072B0000-0x0000000007300000-memory.dmp
memory/3552-144-0x0000000003160000-0x0000000003170000-memory.dmp
memory/3552-143-0x0000000005670000-0x00000000056D6000-memory.dmp
memory/4244-136-0x00000000051D0000-0x00000000051DA000-memory.dmp
memory/4244-139-0x0000000006A10000-0x0000000006AAC000-memory.dmp
memory/4244-138-0x0000000005350000-0x0000000005360000-memory.dmp
memory/4244-137-0x0000000005350000-0x0000000005360000-memory.dmp
memory/4244-133-0x0000000000670000-0x000000000078C000-memory.dmp
memory/4244-135-0x0000000005130000-0x00000000051C2000-memory.dmp
memory/4244-134-0x0000000005600000-0x0000000005BA4000-memory.dmp