Analysis
- max time kernel
137s - max time network
143s - platform
windows10-2004_x64 - resource
win10v2004-20240508-en - resource tags
- submitted
06/06/2024, 16:17
General
- Target Correo postal 349892230.xls.exe
- Size 75KB
- Sample240606-trcxaahe35
- SHA256 90b112bdd91653ba38fbc373ed28c7bf9467f67f64d24f1aca0dd2a4829f245d
Malware Config
Extracted
-
Protocol
smtp
-
Host
mail.100demoras.pt
-
Port
587
-
Username
-
Password
uJ}Y+wl}5B6K
Extracted
-
agenttesla
-
Protocol
smtp
-
Host
mail.100demoras.pt
-
Port
587
-
Username
-
Password
uJ}Y+wl}5B6K
-
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 1 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\Correo postal 349892230.xls.exe"C:\Users\Admin\AppData\Local\Temp\Correo postal 349892230.xls.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\Correo postal 349892230.xls.exe"C:\Users\Admin\AppData\Local\Temp\Correo postal 349892230.xls.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
-
Network
MITRE ATT&CK Enterprise v15
Replay Monitor
Loading Replay Monitor...
Downloads
Correo postal 349892230.xls.exe.log
memory/1828-0-0x0000000074D3E000-0x0000000074D3F000-memory.dmp
memory/1828-1-0x0000000000FE0000-0x0000000000FFA000-memory.dmp
memory/1828-2-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/1828-3-0x0000000007FB0000-0x00000000081E2000-memory.dmp
memory/1828-4-0x0000000008790000-0x0000000008D34000-memory.dmp
memory/1828-5-0x00000000082E0000-0x0000000008372000-memory.dmp
memory/1828-7-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-19-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-23-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-21-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-39-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-57-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-69-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-67-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-65-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-63-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-61-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-59-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-55-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-53-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-51-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-49-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-47-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-45-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-43-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-41-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-38-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-33-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-35-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-25-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-31-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-29-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-17-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-27-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-15-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-13-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-11-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-9-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-6-0x0000000007FB0000-0x00000000081DB000-memory.dmp
memory/1828-4892-0x0000000074D3E000-0x0000000074D3F000-memory.dmp
memory/1828-4893-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/1828-4895-0x0000000006260000-0x00000000062AC000-memory.dmp
memory/1828-4894-0x0000000006300000-0x000000000636E000-memory.dmp
memory/1828-4896-0x00000000063B0000-0x0000000006404000-memory.dmp
memory/1828-4901-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/2760-4903-0x0000000000400000-0x0000000000444000-memory.dmp
memory/2760-4904-0x0000000005670000-0x00000000056D6000-memory.dmp
memory/2760-4905-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/2760-4902-0x0000000074D30000-0x00000000754E0000-memory.dmp
memory/2760-4907-0x0000000006BC0000-0x0000000006C5C000-memory.dmp
memory/2760-4906-0x0000000006AD0000-0x0000000006B20000-memory.dmp
memory/2760-4908-0x0000000006DF0000-0x0000000006DFA000-memory.dmp
memory/2760-4909-0x0000000074D30000-0x00000000754E0000-memory.dmp