Analysis
- max time kernel
148s - max time network
125s - platform
windows11-ltsc_2024_x64 - resource
win11ltsc2024-20260911-en - resource tags
- submitted
09/11/2026, 10:24
General
- Target INV-00475_pdf.vbs
- Size 98KB
- Sample261109-mfkpesef39
- SHA256 45b8b3cf01d1e39999a0f60442ced56f63e54fd5941b124e4218c24c82ab3c22
Malware Config
Signatures
- Badlisted process makes network request 2 IoCs
Network request originating from process or tool commonly abused by malware.
- Contacts third-party web service commonly abused for C2 1 TTPs 2 IoCs
Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.
- Executes a VBScript file via the Windows Script Host. 1 TTPs 1 IoCs
- Suspicious use of NtSetInformationThreadHideFromDebugger 1 TTPs 1 IoCs
- Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).
- 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.
- 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.
- Suspicious behavior: EnumeratesProcesses 7 IoCs
- Suspicious behavior: MapViewOfSection 1 TTPs 1 IoCs
- Suspicious use of AdjustPrivilegeToken 1 IoCs
- Suspicious use of WriteProcessMemory 6 IoCs
Processes
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C:\Windows\System32\WScript.exe"C:\Windows\System32\WScript.exe" "C:\Users\Admin\AppData\Local\Temp\INV-00475_pdf.vbs"1⤵
- Executes a VBScript file via the Windows Script Host.
- Suspicious use of WriteProcessMemory
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C:\Windows\System32\cmd.exe"C:\Windows\System32\cmd.exe" /q /v:on /c echo ^%Ekspeditionsdeltager48^% | !Halvabes! -2⤵
- Executes a command shell one-liner
- Suspicious use of WriteProcessMemory
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C:\Windows\system32\cmd.exeC:\Windows\system32\cmd.exe /S /D /c" echo %Ekspeditionsdeltager48% "3⤵
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\??\c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe"c:\windows\syswow64\WindowsPowerShell\v1.0\powershell.exe" -3⤵
- Badlisted process makes network request
- Suspicious use of NtSetInformationThreadHideFromDebugger
- System Location Discovery: System Language Discovery
- Suspicious behavior: EnumeratesProcesses
- Suspicious behavior: MapViewOfSection
- Suspicious use of AdjustPrivilegeToken
- Suspicious use of WriteProcessMemory
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵
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C:\Windows\SysWOW64\backgroundtaskhost.exe"C:\Windows\SysWOW64\backgroundtaskhost.exe"4⤵
- System Location Discovery: System Language Discovery
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Network
MITRE ATT&CK Enterprise v16
Replay Monitor
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Downloads
memory/2920-0-0x00000000751C2000-0x00000000751C3000-memory.dmp
memory/2920-1-0x0000000002640000-0x0000000002676000-memory.dmp
memory/2920-2-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-3-0x00000000052E0000-0x000000000592A000-memory.dmp
memory/2920-4-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-5-0x00000000051B0000-0x00000000051D2000-memory.dmp
memory/2920-9-0x00000000059A0000-0x0000000005A06000-memory.dmp
memory/2920-6-0x0000000005250000-0x00000000052B6000-memory.dmp
memory/2920-10-0x0000000005B80000-0x0000000005EDB000-memory.dmp
memory/2920-11-0x0000000005B00000-0x0000000005B1E000-memory.dmp
memory/2920-12-0x0000000005F30000-0x0000000005F7C000-memory.dmp
memory/2920-13-0x00000000064E0000-0x0000000006528000-memory.dmp
memory/2920-14-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-15-0x0000000007900000-0x0000000007F7C000-memory.dmp
memory/2920-16-0x00000000072A0000-0x00000000072BA000-memory.dmp
memory/2920-17-0x00000000073E0000-0x0000000007476000-memory.dmp
memory/2920-18-0x0000000007380000-0x00000000073A2000-memory.dmp
memory/2920-19-0x0000000008540000-0x0000000008AFA000-memory.dmp
memory/2920-20-0x00000000751C2000-0x00000000751C3000-memory.dmp
memory/2920-21-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-22-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-23-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-24-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-25-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-27-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-26-0x0000000008B00000-0x000000000BD7E000-memory.dmp
memory/2920-28-0x00000000751B0000-0x000000007596C000-memory.dmp
memory/2920-30-0x00000000751B0000-0x000000007596C000-memory.dmp