Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20241007-en -
resource tags
arch:x64arch:x86image:win10v2004-20241007-enlocale:en-usos:windows10-2004-x64system -
submitted
24-01-2025 08:13
Static task
static1
Behavioral task
behavioral1
Sample
Presupuesto.scr.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Presupuesto.scr.exe
Resource
win10v2004-20241007-en
General
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Target
Presupuesto.scr.exe
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Size
1.8MB
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MD5
3dce8f5b853374d0f7e8a97306727c07
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SHA1
a852b55173976419ddddec6ef11ad79882140832
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SHA256
e99a8a8773f059814fdcd835c6c7a8ae5284c4943987a374a96e14a8b799335d
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SHA512
d45777e8f8b50356d0a96f64c1045bfda5e85f6928db3515af485add2ff178b694dacf5dd54d68a086667bc39a109d4765da985e3958cd5b24dee14cd732e7c0
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SSDEEP
24576:tSstsds6ypgH+NKeeHsatx2B2ZGe3Mqqu5HtC/EuuE7niOIsUuX0CDn:l67p9HTHqkHMzTiEhD
Malware Config
Extracted
Protocol: ftp- Host:
s4.serv00.com - Port:
21 - Username:
f2241_evicb - Password:
Doll280@@
Extracted
agenttesla
Protocol: ftp- Host:
ftp://s4.serv00.com - Port:
21 - Username:
f2241_evicb - Password:
Doll280@@
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Agenttesla family
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Suspicious use of NtCreateUserProcessOtherParentProcess 1 IoCs
description pid Process procid_target PID 2604 created 3448 2604 Presupuesto.scr.exe 56 -
Reads data files stored by FTP clients 2 TTPs
Tries to access configuration files associated with programs like FileZilla.
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Reads user/profile data of local email clients 2 TTPs
Email clients store some user data on disk where infostealers will often target it.
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Reads user/profile data of web browsers 3 TTPs
Infostealers often target stored browser data, which can include saved credentials etc.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2045521122-590294423-3465680274-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\adobe = "C:\\Users\\Admin\\AppData\\Roaming\\adobe\\adobe.exe" Presupuesto.scr.exe -
Looks up external IP address via web service 2 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 33 api.ipify.org 34 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 2604 set thread context of 668 2604 Presupuesto.scr.exe 98 -
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 Presupuesto.scr.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language Presupuesto.scr.exe -
Suspicious behavior: EnumeratesProcesses 5 IoCs
pid Process 2604 Presupuesto.scr.exe 2604 Presupuesto.scr.exe 2604 Presupuesto.scr.exe 668 Presupuesto.scr.exe 668 Presupuesto.scr.exe -
Suspicious use of AdjustPrivilegeToken 3 IoCs
description pid Process Token: SeDebugPrivilege 2604 Presupuesto.scr.exe Token: SeDebugPrivilege 2604 Presupuesto.scr.exe Token: SeDebugPrivilege 668 Presupuesto.scr.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 668 Presupuesto.scr.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 2604 wrote to memory of 668 2604 Presupuesto.scr.exe 98 PID 2604 wrote to memory of 668 2604 Presupuesto.scr.exe 98 PID 2604 wrote to memory of 668 2604 Presupuesto.scr.exe 98 PID 2604 wrote to memory of 668 2604 Presupuesto.scr.exe 98 PID 2604 wrote to memory of 668 2604 Presupuesto.scr.exe 98 PID 2604 wrote to memory of 668 2604 Presupuesto.scr.exe 98 PID 2604 wrote to memory of 668 2604 Presupuesto.scr.exe 98 PID 2604 wrote to memory of 668 2604 Presupuesto.scr.exe 98
Processes
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C:\Windows\Explorer.EXEC:\Windows\Explorer.EXE1⤵PID:3448
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C:\Users\Admin\AppData\Local\Temp\Presupuesto.scr.exe"C:\Users\Admin\AppData\Local\Temp\Presupuesto.scr.exe"2⤵
- Suspicious use of NtCreateUserProcessOtherParentProcess
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:2604
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C:\Users\Admin\AppData\Local\Temp\Presupuesto.scr.exe"C:\Users\Admin\AppData\Local\Temp\Presupuesto.scr.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:668
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Network
MITRE ATT&CK Enterprise v15
Privilege Escalation
Boot or Logon Autostart Execution
1Registry Run Keys / Startup Folder
1