Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240426-en - resource tags
- submitted
01/06/2024, 01:48
General
- Target be819208ac33c531419f5a12ee2c0ba00e2fe974ad2474528c23d880404d0dff.exe
- Size 696KB
- Sample240601-b8e4vsde9s
- SHA256 be819208ac33c531419f5a12ee2c0ba00e2fe974ad2474528c23d880404d0dff
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
smtp.hsbv1.nl
-
Port
587
-
Username
-
Password
xdDPyH(8
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Detect packed .NET executables. Mostly AgentTeslaV4. 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.
- Accesses Microsoft Outlook profiles 1 TTPs 3 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
- outlook_office_path 1 IoCs
- outlook_win_path 1 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\be819208ac33c531419f5a12ee2c0ba00e2fe974ad2474528c23d880404d0dff.exe"C:\Users\Admin\AppData\Local\Temp\be819208ac33c531419f5a12ee2c0ba00e2fe974ad2474528c23d880404d0dff.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\be819208ac33c531419f5a12ee2c0ba00e2fe974ad2474528c23d880404d0dff.exe"C:\Users\Admin\AppData\Local\Temp\be819208ac33c531419f5a12ee2c0ba00e2fe974ad2474528c23d880404d0dff.exe"2⤵
- Accesses Microsoft Outlook profiles
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- outlook_office_path
- outlook_win_path
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
be819208ac33c531419f5a12ee2c0ba00e2fe974ad2474528c23d880404d0dff.exe.log
memory/3460-10-0x0000000000400000-0x0000000000442000-memory.dmp
memory/3460-18-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/3460-17-0x0000000006940000-0x0000000006990000-memory.dmp
memory/3460-16-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/3460-15-0x0000000005250000-0x00000000052B6000-memory.dmp
memory/3460-14-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/4852-8-0x0000000007B70000-0x0000000007BF4000-memory.dmp
memory/4852-0-0x0000000074CDE000-0x0000000074CDF000-memory.dmp
memory/4852-9-0x000000000A2A0000-0x000000000A33C000-memory.dmp
memory/4852-7-0x00000000057D0000-0x00000000057E0000-memory.dmp
memory/4852-6-0x00000000057B0000-0x00000000057C8000-memory.dmp
memory/4852-13-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/4852-5-0x0000000074CD0000-0x0000000075480000-memory.dmp
memory/4852-4-0x0000000005180000-0x000000000518A000-memory.dmp
memory/4852-3-0x0000000005240000-0x00000000052D2000-memory.dmp
memory/4852-2-0x00000000057F0000-0x0000000005D94000-memory.dmp
memory/4852-1-0x0000000000820000-0x00000000008CE000-memory.dmp