Analysis
- max time kernel
146s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20231215-en - resource tags
- submitted
19/03/2024, 15:01
General
- Target COACH MARCH ORDER +COACH JUNE, JULY, AUGUST ORDER .xlsx.exe
- Size 558KB
- Sample240319-sdwa2aeg62
- SHA256 8a3597999df227bed6a515aebd8ecf14468a8e3f23d570af30f42d72b3f6356b
Malware Config
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.myhydropowered.com
-
Port
587
-
Username
-
Password
yV0cOwpBjCCXLvN
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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.
- Adds Run key to start application 2 TTPs 2 IoCs
- Legitimate hosting services abused for malware hosting/C2 1 TTPs 2 IoCs
- 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 NtCreateThreadExHideFromDebugger 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
- Suspicious use of SetThreadContext 1 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 WriteProcessMemory 5 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\COACH MARCH ORDER +COACH JUNE, JULY, AUGUST ORDER .xlsx.exe"C:\Users\Admin\AppData\Local\Temp\COACH MARCH ORDER +COACH JUNE, JULY, AUGUST ORDER .xlsx.exe"1⤵
- Loads dropped DLL
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\COACH MARCH ORDER +COACH JUNE, JULY, AUGUST ORDER .xlsx.exe"C:\Users\Admin\AppData\Local\Temp\COACH MARCH ORDER +COACH JUNE, JULY, AUGUST ORDER .xlsx.exe"2⤵
- Adds Run key to start application
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
Setup.ini
Setup.ini
Setup.ini
Setup.ini
Setup.ini
Setup.ini
Setup.ini
Setup.ini
Setup.ini
System.dll
memory/1232-670-0x0000000077C01000-0x0000000077D21000-memory.dmp
memory/1232-688-0x0000000039510000-0x0000000039AB4000-memory.dmp
memory/1232-668-0x0000000077C88000-0x0000000077C89000-memory.dmp
memory/1232-699-0x0000000039C70000-0x0000000039C80000-memory.dmp
memory/1232-677-0x0000000000490000-0x00000000016E4000-memory.dmp
memory/1232-685-0x0000000077C01000-0x0000000077D21000-memory.dmp
memory/1232-684-0x0000000000490000-0x00000000016E4000-memory.dmp
memory/1232-686-0x0000000000490000-0x00000000004D2000-memory.dmp
memory/1232-687-0x0000000072240000-0x00000000729F0000-memory.dmp
memory/1232-698-0x0000000072240000-0x00000000729F0000-memory.dmp
memory/1232-689-0x0000000039C70000-0x0000000039C80000-memory.dmp
memory/1232-690-0x0000000039BC0000-0x0000000039C26000-memory.dmp
memory/1232-694-0x000000003A360000-0x000000003A3B0000-memory.dmp
memory/1232-695-0x000000003A3B0000-0x000000003A442000-memory.dmp
memory/1232-696-0x000000003A480000-0x000000003A48A000-memory.dmp
memory/2432-667-0x0000000074A60000-0x0000000074A67000-memory.dmp
memory/2432-666-0x0000000077C01000-0x0000000077D21000-memory.dmp