Analysis
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max time kernel
118s -
max time network
124s -
platform
windows7_x64 -
resource
win7-20240903-en -
resource tags
arch:x64arch:x86image:win7-20240903-enlocale:en-usos:windows7-x64system -
submitted
22-01-2025 12:49
Static task
static1
Behavioral task
behavioral1
Sample
2.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
2.exe
Resource
win10v2004-20241007-en
General
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Target
2.exe
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Size
1.3MB
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MD5
b30d2c0c5d2a7eb1d14fcbee93a3dfb5
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SHA1
03a916e21638160bcc2c60a223ea6effbafbe9b6
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SHA256
3548aa0ee0cecf920604b5d5d5c231f2a5241a012548198402e6121a43ef55f7
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SHA512
8edcef9ba3e7c0220edc57aedb42a916298da358b76a278321b055897f5f709a88ecdf850894e1f6afe0febdf4fbecc637c39c75b064b7ca94cf01988136bf71
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SSDEEP
24576:xtb20pkaCqT5TBWgNQ7aKq1LnckdvRHADmacmzi/rYApm6A:CVg5tQ7aK45OSB+is5
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
us2.smtp.mailhostbox.com - Port:
587 - Username:
[email protected] - Password:
w#chNV#1 - 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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Agenttesla family
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Adds Run key to start application 2 TTPs 1 IoCs
description ioc Process Set value (str) \REGISTRY\USER\S-1-5-21-2872745919-2748461613-2989606286-1000\Software\Microsoft\Windows\CurrentVersion\Run\ZUHFqcY = "C:\\Users\\Admin\\AppData\\Roaming\\ZUHFqcY\\ZUHFqcY.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 4 ip-api.com -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1696 set thread context of 1740 1696 2.exe 30 -
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 RegSvcs.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language 2.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1740 RegSvcs.exe 1740 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 2 IoCs
pid Process 1696 2.exe 1696 2.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1740 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1696 2.exe 1696 2.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1696 2.exe 1696 2.exe -
Suspicious use of WriteProcessMemory 8 IoCs
description pid Process procid_target PID 1696 wrote to memory of 1740 1696 2.exe 30 PID 1696 wrote to memory of 1740 1696 2.exe 30 PID 1696 wrote to memory of 1740 1696 2.exe 30 PID 1696 wrote to memory of 1740 1696 2.exe 30 PID 1696 wrote to memory of 1740 1696 2.exe 30 PID 1696 wrote to memory of 1740 1696 2.exe 30 PID 1696 wrote to memory of 1740 1696 2.exe 30 PID 1696 wrote to memory of 1740 1696 2.exe 30
Processes
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C:\Users\Admin\AppData\Local\Temp\2.exe"C:\Users\Admin\AppData\Local\Temp\2.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of FindShellTrayWindow
- Suspicious use of SendNotifyMessage
- Suspicious use of WriteProcessMemory
PID:1696 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\2.exe"2⤵
- Adds Run key to start application
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:1740
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