Analysis
- max time kernel
135s - max time network
120s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
04/06/2024, 01:03
General
- Target 14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe
- Size 864KB
- Sample240604-beew1aff7s
- SHA256 14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3
Malware Config
Extracted
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Protocol
smtp
-
Host
mail.alitextile.com
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Port
587
-
Username
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Password
Myname@321
Extracted
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agenttesla
-
Protocol
smtp
-
Host
mail.alitextile.com
-
Port
587
-
Username
-
Password
Myname@321
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 1 IoCs
- Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers. 1 IoCs
- Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion 1 IoCs
- Detects executables referencing Windows vault credential objects. Observed in infostealers 1 IoCs
- Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers 1 IoCs
- Detects executables referencing many email and collaboration clients. Observed in information stealers 1 IoCs
- Detects executables referencing many file transfer clients. Observed in information stealers 1 IoCs
- Reads WinSCP keys stored on the system 2 TTPs
Tries to access WinSCP stored sessions.
- 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 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Suspicious behavior: EnumeratesProcesses 6 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 14 IoCs
Processes
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C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"2⤵
-
-
C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"C:\Users\Admin\AppData\Local\Temp\14a79ce3f46a8cb58c98cfb730a841bf02ba8a62f4d90ae7cc77c6cab5e23aa3.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
memory/1668-9-0x0000000006370000-0x0000000006380000-memory.dmp
memory/1668-10-0x00000000063E0000-0x0000000006464000-memory.dmp
memory/1668-2-0x00000000053D0000-0x0000000005974000-memory.dmp
memory/1668-8-0x0000000006360000-0x000000000636E000-memory.dmp
memory/1668-4-0x0000000004EC0000-0x0000000005214000-memory.dmp
memory/1668-5-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/1668-6-0x00000000053A0000-0x00000000053AA000-memory.dmp
memory/1668-7-0x0000000006850000-0x0000000006866000-memory.dmp
memory/1668-1-0x0000000000410000-0x00000000004EA000-memory.dmp
memory/1668-0-0x0000000074A2E000-0x0000000074A2F000-memory.dmp
memory/1668-3-0x0000000004E20000-0x0000000004EB2000-memory.dmp
memory/1668-11-0x0000000008C30000-0x0000000008CCC000-memory.dmp
memory/1668-15-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/2220-14-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/2220-12-0x0000000000400000-0x0000000000442000-memory.dmp
memory/2220-17-0x0000000074A20000-0x00000000751D0000-memory.dmp
memory/2220-16-0x0000000005730000-0x0000000005796000-memory.dmp
memory/2220-18-0x0000000006D30000-0x0000000006D80000-memory.dmp
memory/2220-19-0x0000000074A20000-0x00000000751D0000-memory.dmp