Analysis
- max time kernel
144s - max time network
147s - platform
windows7_x64 - resource
win7-20240508-en - resource tags
- submitted
03/06/2024, 12:38
General
- Target a1ceb961c3797e6999092bc934714401ac7dd83139223ecc8b5e5b2c08e79c5c.exe
- Size 489KB
- Sample240603-pt2afaga45
- SHA256 a1ceb961c3797e6999092bc934714401ac7dd83139223ecc8b5e5b2c08e79c5c
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.homizz.es
-
Port
587
-
Username
-
Password
Ruiz3,14
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Guloader,Cloudeye
A shellcode based downloader first seen in 2020.
- Loads dropped DLL 1 IoCs
- 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.
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 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 NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 IoCs
- Drops file in Program Files directory 2 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- Suspicious behavior: EnumeratesProcesses 2 IoCs
- Suspicious behavior: MapViewOfSection 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\a1ceb961c3797e6999092bc934714401ac7dd83139223ecc8b5e5b2c08e79c5c.exe"C:\Users\Admin\AppData\Local\Temp\a1ceb961c3797e6999092bc934714401ac7dd83139223ecc8b5e5b2c08e79c5c.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Drops file in Program Files directory
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\a1ceb961c3797e6999092bc934714401ac7dd83139223ecc8b5e5b2c08e79c5c.exe"C:\Users\Admin\AppData\Local\Temp\a1ceb961c3797e6999092bc934714401ac7dd83139223ecc8b5e5b2c08e79c5c.exe"2⤵
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
System.dll
memory/2180-64-0x00000000037A0000-0x0000000005C89000-memory.dmp
memory/2180-65-0x00000000771B1000-0x00000000772B2000-memory.dmp
memory/2180-66-0x00000000771B0000-0x0000000077359000-memory.dmp
memory/2180-68-0x00000000037A0000-0x0000000005C89000-memory.dmp
memory/2180-91-0x00000000037A0000-0x0000000005C89000-memory.dmp
memory/2472-67-0x00000000771B0000-0x0000000077359000-memory.dmp
memory/2472-90-0x00000000004B0000-0x0000000001512000-memory.dmp
memory/2472-92-0x00000000004B0000-0x00000000004F2000-memory.dmp