Analysis
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max time kernel
117s -
max time network
122s -
platform
windows7_x64 -
resource
win7-20240221-en -
resource tags
arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system -
submitted
21/05/2024, 01:53
Static task
static1
Behavioral task
behavioral1
Sample
vsl_details_pdf.exe
Resource
win7-20240221-en
Behavioral task
behavioral2
Sample
vsl_details_pdf.exe
Resource
win10v2004-20240508-en
General
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Target
vsl_details_pdf.exe
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Size
1.1MB
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MD5
c8ed23b2417d00c612b447fd6e6fa96b
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SHA1
4bd33f0ab367532bd92b18718b402865251278fb
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SHA256
7dad27294808e93adf767c07c07ec76f96c35710703567a95fa6d54b823ee5e7
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SHA512
93dd47fcf969e803c9aca7a8054bced641287a36c8373b7e31e7f4ec654421ba85e6543d18b0f56d6205edd461c2516fa354133fe397d5559cb9e095864806fa
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SSDEEP
24576:SAHnh+eWsN3skA4RV1Hom2KXMmHamgSCW84GYJrIk6A5:Vh+ZkldoPK8YamxCW84Gs
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.window10server.com - Port:
587 - Username:
[email protected] - Password:
6oJwe0Mg7pNWEVD - 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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Looks up external IP address via web service 3 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 4 api.ipify.org 5 api.ipify.org 6 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 3000 set thread context of 2564 3000 vsl_details_pdf.exe 28 -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2564 RegSvcs.exe 2564 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 3000 vsl_details_pdf.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2564 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 3000 vsl_details_pdf.exe 3000 vsl_details_pdf.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 3000 vsl_details_pdf.exe 3000 vsl_details_pdf.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 2564 RegSvcs.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 3000 wrote to memory of 2564 3000 vsl_details_pdf.exe 28 PID 3000 wrote to memory of 2564 3000 vsl_details_pdf.exe 28 PID 3000 wrote to memory of 2564 3000 vsl_details_pdf.exe 28 PID 3000 wrote to memory of 2564 3000 vsl_details_pdf.exe 28 PID 3000 wrote to memory of 2564 3000 vsl_details_pdf.exe 28 PID 3000 wrote to memory of 2564 3000 vsl_details_pdf.exe 28 PID 3000 wrote to memory of 2564 3000 vsl_details_pdf.exe 28 PID 3000 wrote to memory of 2564 3000 vsl_details_pdf.exe 28
Processes
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C:\Users\Admin\AppData\Local\Temp\vsl_details_pdf.exe"C:\Users\Admin\AppData\Local\Temp\vsl_details_pdf.exe"1⤵
- Suspicious use of SetThreadContext
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:3000 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\vsl_details_pdf.exe"2⤵
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:2564
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