Analysis
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max time kernel
148s -
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
11-10-2024 14:09
Static task
static1
Behavioral task
behavioral1
Sample
LISTA DE COTIZACIONES.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
LISTA DE COTIZACIONES.exe
Resource
win10v2004-20241007-en
General
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Target
LISTA DE COTIZACIONES.exe
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Size
1.2MB
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MD5
6cd1b709d4464b7232cece96f174eb14
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SHA1
2180315cc36590883cf8769f126c1f0e09689c8b
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SHA256
9ed02e320f8f4729f17503ab1b79c3bd9034059e2b0b6511fa437a9ce634bd9d
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SHA512
1c895326e612c5818a8e3622303cd6c3ff5a08c573a8c12edc8247fb3b3b9510895566d5f29bdd9bb8da31dc8cb6368cb235bc0834bbca47a1aa597fe0b55373
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SSDEEP
24576:WfmMv6Ckr7Mny5Q6PMmLhkm6hV4BVuj+yi+xk:W3v+7/5Q63hW4BoLxk
Malware Config
Extracted
Protocol: ftp- Host:
ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
uy,o#mZj8$lY
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.ercolina-usa.com - Port:
21 - Username:
[email protected] - Password:
uy,o#mZj8$lY
Signatures
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AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-940901362-3608833189-1915618603-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newapp = "C:\\Users\\Admin\\AppData\\Roaming\\newapp\\newapp.exe" RegSvcs.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 11 api.ipify.org 12 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1468 set thread context of 1760 1468 LISTA DE COTIZACIONES.exe 86 -
Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
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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 LISTA DE COTIZACIONES.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1760 RegSvcs.exe 1760 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1468 LISTA DE COTIZACIONES.exe 1468 LISTA DE COTIZACIONES.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1760 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1760 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1468 wrote to memory of 1760 1468 LISTA DE COTIZACIONES.exe 86 PID 1468 wrote to memory of 1760 1468 LISTA DE COTIZACIONES.exe 86 PID 1468 wrote to memory of 1760 1468 LISTA DE COTIZACIONES.exe 86 PID 1468 wrote to memory of 1760 1468 LISTA DE COTIZACIONES.exe 86
Processes
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C:\Users\Admin\AppData\Local\Temp\LISTA DE COTIZACIONES.exe"C:\Users\Admin\AppData\Local\Temp\LISTA DE COTIZACIONES.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1468 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\LISTA DE COTIZACIONES.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:1760
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