Analysis
- max time kernel
147s - max time network
152s - platform
windows10-2004_x64 - resource
win10v2004-20240226-en - resource tags
- submitted
03/04/2024, 08:20
General
- Target Order 020-04860612000.exe
- Size 778KB
- Sample240403-j8er4abe85
- SHA256 2d4255b15429696714b3c6e55077d3d95cfbc71a746406385cc4ba5025eb6a45
Malware Config
Extracted
-
Protocol
ftp
-
Host
ftp.amtechprinting.com
-
Port
21
-
Username
-
Password
B=OgTAJmiPuN
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://ftp.amtechprinting.com
-
Port
21
-
Username
-
Password
B=OgTAJmiPuN
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.
- Adds Run key to start application 2 TTPs 1 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 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Order 020-04860612000.exe"C:\Users\Admin\AppData\Local\Temp\Order 020-04860612000.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Order 020-04860612000.exe"C:\Users\Admin\AppData\Local\Temp\Order 020-04860612000.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Order 020-04860612000.exe.log
memory/4556-10-0x0000000000400000-0x0000000000440000-memory.dmp
memory/4556-19-0x0000000074500000-0x0000000074CB0000-memory.dmp
memory/4556-18-0x0000000006D70000-0x0000000006DC0000-memory.dmp
memory/4556-16-0x00000000055F0000-0x0000000005656000-memory.dmp
memory/4556-15-0x0000000005450000-0x0000000005460000-memory.dmp
memory/4556-14-0x0000000074500000-0x0000000074CB0000-memory.dmp
memory/4872-8-0x000000000A5C0000-0x000000000A642000-memory.dmp
memory/4872-0-0x0000000074500000-0x0000000074CB0000-memory.dmp
memory/4872-9-0x00000000068D0000-0x000000000696C000-memory.dmp
memory/4872-7-0x0000000008DA0000-0x0000000008DAC000-memory.dmp
memory/4872-6-0x00000000080B0000-0x00000000080C0000-memory.dmp
memory/4872-13-0x0000000074500000-0x0000000074CB0000-memory.dmp
memory/4872-5-0x0000000007DD0000-0x0000000007DDA000-memory.dmp
memory/4872-4-0x0000000007C10000-0x0000000007C20000-memory.dmp
memory/4872-3-0x0000000007C20000-0x0000000007CB2000-memory.dmp
memory/4872-2-0x00000000080D0000-0x0000000008674000-memory.dmp
memory/4872-1-0x0000000000CF0000-0x0000000000DB8000-memory.dmp