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Analysis
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max time kernel
95s -
max time network
101s -
platform
windows10-2004_x64 -
resource
win10v2004-20240802-en -
resource tags
arch:x64arch:x86image:win10v2004-20240802-enlocale:en-usos:windows10-2004-x64system -
submitted
02/10/2024, 03:19
Static task
static1
Behavioral task
behavioral1
Sample
kas.exe
Resource
win7-20240708-en
General
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Target
kas.exe
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Size
1.2MB
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MD5
911e5ea2603b4a7dc17bf847dda0f6f9
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SHA1
f2bc99c64bf0aeadc02170f62f32245623e8b862
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SHA256
d81f1cfc732280d0f92df78433544b467d837f60cbfcfdbff21c5f987eaea942
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SHA512
37e8d01f0989395aa56e83b5d00a2097761c87522b52baf596c81d56f4f95a7e0a34a6932b161d6a5853a2e094555363d4c3475d145e94558396f954fe620a40
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SSDEEP
24576:WfmMv6Ckr7Mny5Qb/OM930NCdy500u0cfbdG:W3v+7/5Qb/OEXdp0YG
Malware Config
Extracted
agenttesla
Protocol: smtp- Host:
mail.pgsu.co.id - Port:
587 - Username:
[email protected] - Password:
Vecls16@Vezs - 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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Suspicious use of SetThreadContext 1 IoCs
description pid Process procid_target PID 1852 set thread context of 1712 1852 kas.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 kas.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language RegSvcs.exe -
Suspicious behavior: EnumeratesProcesses 2 IoCs
pid Process 1712 RegSvcs.exe 1712 RegSvcs.exe -
Suspicious behavior: MapViewOfSection 1 IoCs
pid Process 1852 kas.exe -
Suspicious use of AdjustPrivilegeToken 1 IoCs
description pid Process Token: SeDebugPrivilege 1712 RegSvcs.exe -
Suspicious use of SetWindowsHookEx 1 IoCs
pid Process 1712 RegSvcs.exe -
Suspicious use of WriteProcessMemory 4 IoCs
description pid Process procid_target PID 1852 wrote to memory of 1712 1852 kas.exe 82 PID 1852 wrote to memory of 1712 1852 kas.exe 82 PID 1852 wrote to memory of 1712 1852 kas.exe 82 PID 1852 wrote to memory of 1712 1852 kas.exe 82
Processes
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C:\Users\Admin\AppData\Local\Temp\kas.exe"C:\Users\Admin\AppData\Local\Temp\kas.exe"1⤵
- Suspicious use of SetThreadContext
- System Location Discovery: System Language Discovery
- Suspicious behavior: MapViewOfSection
- Suspicious use of WriteProcessMemory
PID:1852 -
C:\Windows\Microsoft.NET\Framework\v4.0.30319\RegSvcs.exe"C:\Users\Admin\AppData\Local\Temp\kas.exe"2⤵
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of SetWindowsHookEx
PID:1712
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