Analysis
- max time kernel
149s - max time network
146s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
arch:x64arch:x86image:win11ltsc2024-20260911-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows - submitted
27/10/2026, 13:46
Static task
static1
Behavioral task
behavioral1
Sample
Final_invoices_20251027.js
Resource
win10v2004-20260911-en
Behavioral task
behavioral2
Sample
Final_invoices_20251027.js
Resource
win11ltsc2024-20260911-en
General
- Target Final_invoices_20251027.js
- Size 85KB
- Sample261027-q28vxset6q
- SHA256 cf197f7debdf926745a1170f38bb28c9e8db7fdf8638bfc13e148d494de9c96a
- MD5 9708a4c5cccf0d643cb20ef9614708c9
- SHA1 17dc81fea736dab26a130b10f90216bd1e896f89
- SHA512 de516e94ecd48b007fdbc81ff9f64b23ff7ea8167853f5b9ddcc15948836bdda11c8619ee6f5ca82bb9ba55706059e7f20b5be51e125fa38680ecaafab84b006
- SSDEEP 1536:SrVcQZIJSqOpZjV4qpe8IQqyR2h98L2KdepUAOUI0ujlZTugT5D:uZkSRPjV4/8IXTZsepUAOOuuO
- TLSH T13C8338A0CA1544778B87AB9CACB94660C6ACC325C53305F0F9E9C70DA509DECE77C66B
- MD5 SHA1 SHA512 SSDEEP TLSH
Malware Config
Extracted
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Protocol
smtp
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Host
smtp.hostinger.com
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Port
587
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Username
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Password
Tq8$ykegka7#
Extracted
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agenttesla
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Protocol
smtp
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Host
smtp.hostinger.com
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Port
587
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Username
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Password
Tq8$ykegka7#
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Email to
Signatures
- Family: AgentTesla
Agent Tesla is a remote access tool (RAT) written in visual basic.
- Process spawned unexpected child process 1 IoCs
This typically indicates the parent process was compromised via an exploit or macro.
description pid pid_target Process procid_target Parent C:\Windows\system32\wbem\wmiprvse.exe is not expected to spawn this process 3704 296 cmd.exe 88 - Badlisted process makes network request 1 IoCs
Network request originating from process or tool commonly abused by malware.
flow pid Process 8 4664 powershell.exe - Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 backgroundtaskhost.exe - Looks up external IP address via web service 1 TTPs 1 IoCs
Uses a legitimate IP lookup service to find the infected system's external IP.
flow ioc 1 ip-api.com - Suspicious use of NtCreateThreadExHideFromDebugger 1 TTPs 1 IoCs
pid Process 3076 backgroundtaskhost.exe - Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 2 IoCs
pid Process 4664 powershell.exe 3076 backgroundtaskhost.exe - Drops file in Windows directory 2 IoCs
description ioc Process File created C:\Windows\__PSScriptPolicyTest_sx5mcdmq.gf0.ps1 powershell.exe File created C:\Windows\__PSScriptPolicyTest_2fksblt1.xc2.psm1 powershell.exe - Command and Scripting Interpreter: JavaScript 1 TTPs
- Executes a command shell one-liner 1 TTPs 1 IoCs
Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.
pid Process 3704 cmd.exe - Reads the TCP/IP host and domain name from the registry 1 TTPs 2 IoCs
The configured hostname and DNS domain identify the machine and are commonly collected to profile a host before it reports in.
description ioc Process Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Hostname wscript.exe Key value queried \REGISTRY\MACHINE\SYSTEM\ControlSet001\Services\Tcpip\Parameters\Domain wscript.exe - 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 powershell.exe Key opened \REGISTRY\MACHINE\SYSTEM\ControlSet001\Control\NLS\Language backgroundtaskhost.exe - Suspicious behavior: EnumeratesProcesses 8 IoCs
pid Process 4664 powershell.exe 4664 powershell.exe 4664 powershell.exe 4664 powershell.exe 4664 powershell.exe 4664 powershell.exe 3076 backgroundtaskhost.exe 3076 backgroundtaskhost.exe - Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
pid Process 4664 powershell.exe - Suspicious use of AdjustPrivilegeToken 2 IoCs
description pid Process Token: SeDebugPrivilege 4664 powershell.exe Token: SeDebugPrivilege 3076 backgroundtaskhost.exe - Suspicious use of WriteProcessMemory 6 IoCs
description pid Process procid_target PID 3704 wrote to memory of 3988 3704 cmd.exe 91 PID 3704 wrote to memory of 4664 3704 cmd.exe 92 PID 4664 wrote to memory of 2952 4664 powershell.exe 94 PID 4664 wrote to memory of 3076 4664 powershell.exe 95 PID 4664 wrote to memory of 3076 4664 powershell.exe 95 PID 3076 wrote to memory of 2088 3076 backgroundtaskhost.exe 96 - outlook_office_path 1 IoCs
description ioc Process Key opened \REGISTRY\USER\S-1-5-21-4154726816-2055034831-2297277433-1000\Software\Microsoft\Office\16.0\Outlook\Profiles\Outlook\9375CFF0413111d3B88A00104B2A6676 backgroundtaskhost.exe
Processes
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C:\Windows\system32\wscript.exewscript.exe C:\Users\Admin\AppData\Local\Temp\Final_invoices_20251027.js1⤵
- Reads the TCP/IP host and domain name from the registry
PID:2488
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C:\Windows\system32\cmd.execmd.exe /c echo ^%Co^% | %Nonculpable% -1⤵
- Process spawned unexpected child process
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
PID:3704 -
C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Co% "2⤵PID:3988
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\??\c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe"c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" -2⤵
- Badlisted process makes network request
- Suspicious use of NtSetInformationThreadHideFromDebugger
- Drops file in Windows directory
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
PID:4664 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"3⤵PID:2952
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"3⤵
- Accesses Microsoft Outlook profiles
- Suspicious use of NtCreateThreadExHideFromDebugger
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
- outlook_office_path
PID:3076 -
C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵PID:2088
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