Analysis
- max time kernel
122s - max time network
123s - platform
windows7_x64 - resource
win7-20240903-en - resource tags
- submitted
10/09/2024, 04:21
General
- Target Q88_MT Carol 2024.09.10.doc.scr.exe
- Size 706KB
- Sample240910-eynvsswfrl
- SHA256 10eed1464345d7548cbbe6e76ece440f249d9daf5bf13f973f68136d986c7fe5
Malware Config
Extracted
-
agenttesla
-
Protocol
ftp
-
Host
ftp://beirutrest.com
-
Port
21
-
Username
-
Password
9yXQ39wz(uL+
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
- Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs
Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.
- 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 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
- Suspicious use of SetThreadContext 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- System Location Discovery: System Language Discovery 1 TTPs 3 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
- Suspicious behavior: EnumeratesProcesses 3 IoCs
- Suspicious use of AdjustPrivilegeToken 2 IoCs
- Suspicious use of WriteProcessMemory 13 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\Q88_MT Carol 2024.09.10.doc.scr.exe"C:\Users\Admin\AppData\Local\Temp\Q88_MT Carol 2024.09.10.doc.scr.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
-
C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe"C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" Add-MpPreference -ExclusionPath "C:\Users\Admin\AppData\Local\Temp\Q88_MT Carol 2024.09.10.doc.scr.exe"2⤵
- Command and Scripting Interpreter: PowerShell
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
-
C:\Users\Admin\AppData\Local\Temp\Q88_MT Carol 2024.09.10.doc.scr.exe"C:\Users\Admin\AppData\Local\Temp\Q88_MT Carol 2024.09.10.doc.scr.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Credential Access
Credentials from Password Stores
1Credentials from Web Browsers
1Unsecured Credentials
4Credentials In Files
3Credentials in Registry
1Replay Monitor
Loading Replay Monitor...
Downloads
memory/1852-0-0x000000007424E000-0x000000007424F000-memory.dmp
memory/1852-1-0x0000000001150000-0x0000000001206000-memory.dmp
memory/1852-2-0x0000000074240000-0x000000007492E000-memory.dmp
memory/1852-3-0x00000000005C0000-0x00000000005D0000-memory.dmp
memory/1852-4-0x000000007424E000-0x000000007424F000-memory.dmp
memory/1852-5-0x0000000074240000-0x000000007492E000-memory.dmp
memory/1852-6-0x0000000005F30000-0x0000000005FB2000-memory.dmp
memory/1852-21-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2652-8-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2652-20-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2652-19-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2652-17-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2652-15-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2652-13-0x000000007EFDE000-0x000000007EFDF000-memory.dmp
memory/2652-11-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2652-9-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2652-22-0x0000000074240000-0x000000007492E000-memory.dmp
memory/2652-7-0x0000000000400000-0x0000000000440000-memory.dmp
memory/2652-25-0x0000000074240000-0x000000007492E000-memory.dmp