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
15-01-2025 01:02
Static task
static1
Behavioral task
behavioral1
Sample
facturas y datos bancarios_75653475687564534465345.exe
Resource
win7-20240729-en
General
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Target
facturas y datos bancarios_75653475687564534465345.exe
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Size
2.7MB
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MD5
5e273002608afde56c1b98c5d66438c4
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SHA1
ae2d81db9e03a7b98c3d06c8fe6e53be3d9f12b0
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SHA256
2c319e26c9e897be8aaab05e0451c61bc2335f108298898f47168f610f36899d
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SHA512
1d9180d89d89f27bf3bb4cbccffd05cdf84ecbdbe6be61656e68069d699e2bcc5da4d5d47bd18f14d5343a34c05a4f2a6120d8de61a20e99f254c199b9842c20
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SSDEEP
49152:0bdYAm4zEbdYAm4zXbdYAm4zKbdYAm4zFbdYAm4zB3An3AI3AJ3AuObmMM7qAp:mdrWdrrdrAdr1drlA3AaAtAfy7q
Malware Config
Extracted
agenttesla
Protocol: ftp- Host:
ftp://ftp.controlfire.com.mx - Port:
21 - Username:
[email protected] - Password:
0a4XlE=4t8mz
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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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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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 14 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 216 set thread context of 1936 216 facturas y datos bancarios_75653475687564534465345.exe 82 -
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 facturas y datos bancarios_75653475687564534465345.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language regasm.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1936 regasm.exe 1936 regasm.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 216 facturas y datos bancarios_75653475687564534465345.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1936 regasm.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 216 facturas y datos bancarios_75653475687564534465345.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 216 wrote to memory of 1936 216 facturas y datos bancarios_75653475687564534465345.exe 82 PID 216 wrote to memory of 1936 216 facturas y datos bancarios_75653475687564534465345.exe 82 PID 216 wrote to memory of 1936 216 facturas y datos bancarios_75653475687564534465345.exe 82 PID 216 wrote to memory of 1936 216 facturas y datos bancarios_75653475687564534465345.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\facturas y datos bancarios_75653475687564534465345.exe"C:\Users\Admin\AppData\Local\Temp\facturas y datos bancarios_75653475687564534465345.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:216 -
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:1936
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