Analysis
- max time kernel
51s - max time network
56s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
20/06/2024, 01:49
General
- Target Quotation for Stainless steel.exe
- Size 703KB
- Sample240620-b8tx1ssbmb
- SHA256 42f3e537e4c19d1c9b0f2cb2cedf4e2700bffeefff48db124aa01ee380c18601
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.annapurnabhaskari.com
-
Port
587
-
Username
-
Password
krishna@123
-
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 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 4 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Quotation for Stainless steel.exe"C:\Users\Admin\AppData\Local\Temp\Quotation for Stainless steel.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\Quotation for Stainless steel.exe"C:\Users\Admin\AppData\Local\Temp\Quotation for Stainless steel.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Quotation for Stainless steel.exe.log
memory/2732-10-0x0000000005450000-0x000000000545C000-memory.dmp
memory/2732-11-0x0000000006900000-0x0000000006982000-memory.dmp
memory/2732-3-0x0000000004EC0000-0x0000000004F52000-memory.dmp
memory/2732-0-0x000000007534E000-0x000000007534F000-memory.dmp
memory/2732-5-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/2732-6-0x0000000005F50000-0x000000000647C000-memory.dmp
memory/2732-7-0x0000000005180000-0x000000000521C000-memory.dmp
memory/2732-8-0x0000000005170000-0x0000000005182000-memory.dmp
memory/2732-2-0x0000000005470000-0x0000000005A14000-memory.dmp
memory/2732-9-0x0000000005440000-0x0000000005448000-memory.dmp
memory/2732-4-0x0000000004E50000-0x0000000004E5A000-memory.dmp
memory/2732-16-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/2732-1-0x0000000000390000-0x0000000000442000-memory.dmp
memory/3576-12-0x0000000000400000-0x0000000000440000-memory.dmp
memory/3576-15-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/3576-17-0x0000000005060000-0x00000000050C6000-memory.dmp
memory/3576-18-0x0000000075340000-0x0000000075AF0000-memory.dmp
memory/3576-19-0x0000000006870000-0x00000000068C0000-memory.dmp
memory/3576-20-0x0000000075340000-0x0000000075AF0000-memory.dmp