Analysis
- max time kernel
141s - max time network
113s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
19/05/2024, 01:11
General
- Target dc1fabdee4df0b1a83c6a9361af4a53d205488eae10880bd0f515096e8ca5a76.exe
- Size 412KB
- Sample240519-bj98psad2t
- SHA256 dc1fabdee4df0b1a83c6a9361af4a53d205488eae10880bd0f515096e8ca5a76
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.privateemail.com
-
Port
587
-
Username
-
Password
BTwcMq@2
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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.
- 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 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\dc1fabdee4df0b1a83c6a9361af4a53d205488eae10880bd0f515096e8ca5a76.exe"C:\Users\Admin\AppData\Local\Temp\dc1fabdee4df0b1a83c6a9361af4a53d205488eae10880bd0f515096e8ca5a76.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/2292-6-0x0000000005800000-0x0000000005866000-memory.dmp
memory/2292-2-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2292-4-0x00000000747CE000-0x00000000747CF000-memory.dmp
memory/2292-5-0x0000000005C20000-0x00000000061C4000-memory.dmp
memory/2292-7-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/2292-8-0x0000000006C40000-0x0000000006C90000-memory.dmp
memory/2292-9-0x0000000006D30000-0x0000000006DC2000-memory.dmp
memory/2292-10-0x0000000006CB0000-0x0000000006CBA000-memory.dmp
memory/2292-11-0x00000000747CE000-0x00000000747CF000-memory.dmp
memory/2292-12-0x00000000747C0000-0x0000000074F70000-memory.dmp
memory/4608-1-0x00000000013E0000-0x00000000013E1000-memory.dmp
memory/4608-3-0x00000000013E0000-0x00000000013E1000-memory.dmp
memory/4608-0-0x00000000013E0000-0x00000000013E1000-memory.dmp