Analysis
- max time kernel
129s - max time network
149s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
07/06/2024, 01:32
General
- Target INVOICE 8205291007.exe
- Size 31KB
- Sample240607-byfbwafc8w
- SHA256 da7cdc453e35263958ba9c29f9c1d484e5f7f119f34381a23699f9f78eff8dc7
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.bredband2.com
-
Port
587
-
Username
-
Password
550712hJ
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.bredband2.com
-
Port
587
-
Username
-
Password
550712hJ
-
Email to
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- 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
- 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 3 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\INVOICE 8205291007.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE 8205291007.exe"1⤵
- Adds Run key to start application
- Suspicious use of SetThreadContext
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\INVOICE 8205291007.exe"C:\Users\Admin\AppData\Local\Temp\INVOICE 8205291007.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
INVOICE 8205291007.exe.log
memory/32-0-0x00000000746DE000-0x00000000746DF000-memory.dmp
memory/32-1-0x0000000000B40000-0x0000000000B4E000-memory.dmp
memory/32-2-0x00000000746D0000-0x0000000074E80000-memory.dmp
memory/32-3-0x00000000077C0000-0x00000000079F0000-memory.dmp
memory/32-4-0x0000000007FA0000-0x0000000008544000-memory.dmp
memory/32-5-0x0000000007A90000-0x0000000007B22000-memory.dmp
memory/32-6-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-13-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-23-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-37-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-35-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-33-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-31-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-29-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-27-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-25-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-22-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-19-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-17-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-15-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-11-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-9-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-7-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-41-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-45-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-69-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-67-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-65-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-63-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-61-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-59-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-57-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-53-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-51-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-49-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-47-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-43-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-39-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-56-0x00000000077C0000-0x00000000079EB000-memory.dmp
memory/32-4892-0x00000000746D0000-0x0000000074E80000-memory.dmp
memory/32-4894-0x0000000006130000-0x000000000617C000-memory.dmp
memory/32-4893-0x0000000005DE0000-0x0000000005E4C000-memory.dmp
memory/32-4895-0x0000000006190000-0x00000000061E4000-memory.dmp
memory/32-4900-0x00000000746D0000-0x0000000074E80000-memory.dmp
memory/4400-4901-0x00000000746D0000-0x0000000074E80000-memory.dmp
memory/4400-4902-0x0000000000400000-0x0000000000442000-memory.dmp
memory/4400-4903-0x0000000004F30000-0x0000000004F96000-memory.dmp
memory/4400-4904-0x00000000746D0000-0x0000000074E80000-memory.dmp
memory/4400-4906-0x0000000006550000-0x00000000065A0000-memory.dmp
memory/4400-4907-0x0000000006640000-0x00000000066DC000-memory.dmp
memory/4400-4908-0x0000000006720000-0x000000000672A000-memory.dmp
memory/4400-4909-0x00000000746D0000-0x0000000074E80000-memory.dmp