Analysis
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max time kernel
103s -
max time network
104s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
17-09-2024 06:20
Static task
static1
Behavioral task
behavioral1
Sample
Arrival Notice.exe
Resource
win7-20240903-en
Behavioral task
behavioral2
Sample
Arrival Notice.exe
Resource
win10v2004-20240802-en
General
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Target
Arrival Notice.exe
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Size
1.1MB
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MD5
fcbeee4d98c0149d7a4d77544584a4b1
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SHA1
252c90496e1d30c85af718df02053f2bf876b5fa
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SHA256
2f871dc858b7320d26415f760957201d60691eee8d3939eb2e443a2ee8bad3ef
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SHA512
cd6560c55d24c04ef6ee73fd033ef1e8c61246344a5d8542fc92c7fb9d39852774dd3eac2169f64dd86c866224d94f1d14eae95d3c97252f96b55588ff8a1235
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SSDEEP
24576:uRmJkcoQricOIQxiZY1iaCD257KUpiESY42J7XfBx3bSlqbz7TY:7JZoQrbTFZY1iaCSPjI25vBtGKz7TY
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.chemsareus.com - Port:
587 - Username:
[email protected] - Password:
062bdqio - 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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Credentials from Password Stores: Credentials from Web Browsers 1 TTPs
Malicious Access or copy of Web Browser Credential store.
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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 14 api.ipify.org 13 api.ipify.org -
Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1528 set thread context of 2388 1528 Arrival Notice.exe 82 -
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 Arrival Notice.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 2388 RegSvcs.exe 2388 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1528 Arrival Notice.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 2388 RegSvcs.exe -
Suspicious use of FindShellTrayWindow 2 IoCs
pid Process 1528 Arrival Notice.exe 1528 Arrival Notice.exe -
Suspicious use of SendNotifyMessage 2 IoCs
pid Process 1528 Arrival Notice.exe 1528 Arrival Notice.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1528 wrote to memory of 2388 1528 Arrival Notice.exe 82 PID 1528 wrote to memory of 2388 1528 Arrival Notice.exe 82 PID 1528 wrote to memory of 2388 1528 Arrival Notice.exe 82 PID 1528 wrote to memory of 2388 1528 Arrival Notice.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\Arrival Notice.exe"C:\Users\Admin\AppData\Local\Temp\Arrival Notice.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:1528 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\Arrival Notice.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
PID:2388
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