Analysis
- max time kernel
64s - max time network
88s - platform
windows11-21h2_x64 - resource
win11-20250610-en - resource tags
arch:x64arch:x86image:win11-20250610-enlocale:en-usos:windows11-21h2-x64system - submitted
09/08/2025, 12:35
Static task
static1
1 signatures
Behavioral task
behavioral1
Sample
EUROOOOO.exe
Resource
win10v2004-20250619-en
12 signatures
150 seconds
General
- Target EUROOOOO.exe
- Size 327KB
- Sample250809-psrplsxtaz
- SHA256 8dc5ce1b016bdaebc7d77a20cccf815a49840e239c33132d35504d03c5f6ac99
- MD5 5eaf0abd7ada39f208121d7d3bd31969
- SHA1 725a8c839c8e78f5f611fe4532d4df45f117c530
- SHA512 acbab7cc2cfc74d19e4b6e43dc61585bf19024fc01f4526fd3f04ee4abc99027faac950779326408e5c205c79399579d155e891ae5e390476ddf1e1dbcaf0863
- SSDEEP 6144:vjpv21rpLZ8V8ZuqhmR23bX9x7uueBKrw4HrDo+jn1YC:vV+HeT8X9x7SHILj
- MD5 SHA1 SHA512 SSDEEP
Malware Config
Extracted
Family
-
agenttesla
Credentials
-
Protocol
ftp
-
Host
ftp://ftp.antoniomayol.com:21
-
Port
21
-
Username
-
Password
cMhKDQUk1{;%
Signatures
- AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Agenttesla family
- 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 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
- Looks up external IP address via web service 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ip-api.com - Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3948 set thread context of 5304 3948 EUROOOOO.exe 78 - System Location Discovery: System Language Discovery 1 TTPs 2 IoCs
Attempt gather information about the system language of a victim in order to infer the geographical location of that host.
description ioc Process Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language EUROOOOO.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegAsm.exe - Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 5304 RegAsm.exe 5304 RegAsm.exe - Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 5304 RegAsm.exe - Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3948 wrote to memory of 5304 3948 EUROOOOO.exe 78 PID 3948 wrote to memory of 5304 3948 EUROOOOO.exe 78 PID 3948 wrote to memory of 5304 3948 EUROOOOO.exe 78 PID 3948 wrote to memory of 5304 3948 EUROOOOO.exe 78 PID 3948 wrote to memory of 5304 3948 EUROOOOO.exe 78 PID 3948 wrote to memory of 5304 3948 EUROOOOO.exe 78 PID 3948 wrote to memory of 5304 3948 EUROOOOO.exe 78 PID 3948 wrote to memory of 5304 3948 EUROOOOO.exe 78
Processes
-
C:\Users\Admin\AppData\Local\Temp\EUROOOOO.exe"C:\Users\Admin\AppData\Local\Temp\EUROOOOO.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious use of WriteProcessMemory
PID:3948 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegAsm.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:5304
-