Analysis
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max time kernel
150s -
max time network
150s -
platform
windows10-2004_x64 -
resource
win10v2004-20240226-es -
resource tags
arch:x64arch:x86image:win10v2004-20240226-eslocale:es-esos:windows10-2004-x64systemwindows -
submitted
03/04/2024, 11:08
Static task
static1
Behavioral task
behavioral1
Sample
FACTURA.exe
Resource
win7-20240221-es
Behavioral task
behavioral2
Sample
FACTURA.exe
Resource
win10v2004-20240226-es
General
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Target
FACTURA.exe
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Size
1.1MB
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MD5
ac0e9865c24a0678d2cee67a7e91ab80
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SHA1
1523c2eced8c66d9996b714db621309f93617a51
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SHA256
6102e8a27367b379714554fc2034d631e6f0eb83b465ecb0263171c3a397b51a
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SHA512
b72c5e8fcfac228f23f5b978a366be8e89aaf08892bbc2b745dafcea5d05101d734a655a745340e27bdf30b0939c1c938ff5f441709b64c1447c45bc145cb7d8
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SSDEEP
24576:1qDEvCTbMWu7rQYlBQcBiT6rprG8ajRCwb1VbtyBhKEA2Z:1TvC/MTQYxsWR7ajQwb3btkhhb
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.cash4cars.nz - Port:
587 - Username:
[email protected] - Password:
logs2024! - Email To:
[email protected]
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-1-5-21-399997616-3400990511-967324271-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\newfile = "C:\\Users\\Admin\\AppData\\Roaming\\newfile\\newfile.exe" RegSvcs.exe -
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 13 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 5108 set thread context of 852 5108 FACTURA.exe 90 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 852 RegSvcs.exe 852 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 5108 FACTURA.exe 5108 FACTURA.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 852 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 5108 FACTURA.exe 5108 FACTURA.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 5108 FACTURA.exe 5108 FACTURA.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 5108 wrote to memory of 852 5108 FACTURA.exe 90 PID 5108 wrote to memory of 852 5108 FACTURA.exe 90 PID 5108 wrote to memory of 852 5108 FACTURA.exe 90 PID 5108 wrote to memory of 852 5108 FACTURA.exe 90
Processes
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C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:5108 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\FACTURA.exe"2⤵
- Adds Run key to start application
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:852
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