Analysis
- max time kernel
150s - max time network
151s - platform
windows10-2004_x64 - resource
win10v2004-20240611-en - resource tags
- submitted
19/06/2024, 01:46
General
- Target 2ca14d2bfda0a3981ac96157e627d803a3d2ab78e9e257367d28ba61cf1786a6.exe
- Size 821KB
- Sample240619-b7c8wawcpr
- SHA256 2ca14d2bfda0a3981ac96157e627d803a3d2ab78e9e257367d28ba61cf1786a6
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.deblokhoeve.be
-
Port
587
-
Username
-
Password
Blokhoeve2490.i
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.deblokhoeve.be
-
Port
587
-
Username
-
Password
Blokhoeve2490.i
-
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 1 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 SetWindowsHookEx 1 IoCs
- Suspicious use of WriteProcessMemory 8 IoCs
Processes
-
C:\Users\Admin\AppData\Local\Temp\2ca14d2bfda0a3981ac96157e627d803a3d2ab78e9e257367d28ba61cf1786a6.exe"C:\Users\Admin\AppData\Local\Temp\2ca14d2bfda0a3981ac96157e627d803a3d2ab78e9e257367d28ba61cf1786a6.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious use of WriteProcessMemory
-
C:\Users\Admin\AppData\Local\Temp\2ca14d2bfda0a3981ac96157e627d803a3d2ab78e9e257367d28ba61cf1786a6.exe"C:\Users\Admin\AppData\Local\Temp\2ca14d2bfda0a3981ac96157e627d803a3d2ab78e9e257367d28ba61cf1786a6.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
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Downloads
2ca14d2bfda0a3981ac96157e627d803a3d2ab78e9e257367d28ba61cf1786a6.exe.log
memory/832-12-0x0000000000400000-0x0000000000444000-memory.dmp
memory/832-21-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/832-20-0x0000000006740000-0x0000000006790000-memory.dmp
memory/832-17-0x0000000005250000-0x00000000052B6000-memory.dmp
memory/832-18-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/832-15-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/1312-10-0x00000000056D0000-0x00000000056DC000-memory.dmp
memory/1312-8-0x0000000005400000-0x0000000005412000-memory.dmp
memory/1312-9-0x00000000056B0000-0x00000000056B8000-memory.dmp
memory/1312-0-0x0000000074C7E000-0x0000000074C7F000-memory.dmp
memory/1312-11-0x0000000005F00000-0x0000000005F86000-memory.dmp
memory/1312-7-0x00000000054C0000-0x000000000555C000-memory.dmp
memory/1312-6-0x0000000006240000-0x000000000676C000-memory.dmp
memory/1312-5-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/1312-16-0x0000000074C70000-0x0000000075420000-memory.dmp
memory/1312-4-0x0000000005190000-0x000000000519A000-memory.dmp
memory/1312-3-0x00000000051B0000-0x0000000005242000-memory.dmp
memory/1312-2-0x0000000005760000-0x0000000005D04000-memory.dmp
memory/1312-1-0x00000000006C0000-0x0000000000794000-memory.dmp