Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    01/06/2026, 10:16

General

  • Target
    9ff1d25e71a9f081d7b29d0550f2945e48d31524b82f42797d654442b940fa9f.exe
  • Size 1.4MB
  • Sample260601-mbacwsbs5k
  • SHA256 9ff1d25e71a9f081d7b29d0550f2945e48d31524b82f42797d654442b940fa9f
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Identifies VirtualBox via ACPI registry values (likely anti-VM) 2 TTPs 2 IoCs
  • Checks BIOS information in registry 2 TTPs 4 IoCs

    BIOS information is often read in order to detect sandboxing environments.

  • Identifies Wine through registry keys 2 TTPs 2 IoCs

    Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.

  • Adds Run key to start application 2 TTPs 2 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Using powershell.exe command.

  • System Location Discovery: System Language Discovery 1 TTPs 4 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\9ff1d25e71a9f081d7b29d0550f2945e48d31524b82f42797d654442b940fa9f.exe
    "C:\Users\Admin\AppData\Local\Temp\9ff1d25e71a9f081d7b29d0550f2945e48d31524b82f42797d654442b940fa9f.exe"
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:4940
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "$regPath = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run';if (-not (Test-Path $regPath)) { New-Item -Path $regPath -Force };Set-ItemProperty -Path $regPath -Name 'MyAppPath' -Value 'C:\Users\Admin\AppData\Local\Temp\9ff1d25e71a9f081d7b29d0550f2945e48d31524b82f42797d654442b940fa9f.exe' -Type String"
      2⤵
      • Adds Run key to start application
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1156
  • C:\Users\Admin\AppData\Local\Temp\9ff1d25e71a9f081d7b29d0550f2945e48d31524b82f42797d654442b940fa9f.exe
    C:\Users\Admin\AppData\Local\Temp\9ff1d25e71a9f081d7b29d0550f2945e48d31524b82f42797d654442b940fa9f.exe
    1⤵
    • Identifies VirtualBox via ACPI registry values (likely anti-VM)
    • Checks BIOS information in registry
    • Identifies Wine through registry keys
    • System Location Discovery: System Language Discovery
    • Suspicious use of WriteProcessMemory
    PID:2932
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      powershell -Command "$regPath = 'HKCU:\Software\Microsoft\Windows\CurrentVersion\Run';if (-not (Test-Path $regPath)) { New-Item -Path $regPath -Force };Set-ItemProperty -Path $regPath -Name 'MyAppPath' -Value 'C:\Users\Admin\AppData\Local\Temp\9ff1d25e71a9f081d7b29d0550f2945e48d31524b82f42797d654442b940fa9f.exe' -Type String"
      2⤵
      • Adds Run key to start application
      • Command and Scripting Interpreter: PowerShell
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:1644

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        powershell.exe.log

        • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0_32\UsageLogs\powershell.exe.log
        • Size 1KB
        • SHA256 6fc482e46f6843f31d770708aa936de4cc32fec8141154f325438994380ff425
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 16KB
        • SHA256 bb3af42e81c1c09f9245250a8bbad376f53ab4c8b5997ab36551f9127f2d111c
        • MD5 SHA1 SHA512 SSDEEP TLSH

        __PSScriptPolicyTest_zyujuylr.3nu.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_zyujuylr.3nu.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/1156-19-0x0000000006DC0000-0x0000000006E56000-memory.dmp

        memory/1156-17-0x0000000005E10000-0x0000000005E2E000-memory.dmp

        memory/1156-5-0x0000000004950000-0x0000000004986000-memory.dmp

        memory/1156-6-0x0000000005030000-0x000000000565A000-memory.dmp

        memory/1156-7-0x00000000056C0000-0x00000000056E2000-memory.dmp

        memory/1156-8-0x0000000005860000-0x00000000058C6000-memory.dmp

        memory/1156-9-0x00000000058D0000-0x0000000005936000-memory.dmp

        memory/1156-4-0x00000000049F0000-0x0000000004A00000-memory.dmp

        memory/1156-16-0x0000000005940000-0x0000000005C97000-memory.dmp

        memory/1156-22-0x0000000007410000-0x00000000079B6000-memory.dmp

        memory/1156-18-0x0000000005E50000-0x0000000005E9C000-memory.dmp

        memory/1156-21-0x0000000006380000-0x00000000063A2000-memory.dmp

        memory/1156-20-0x0000000006310000-0x000000000632A000-memory.dmp

        memory/1644-36-0x0000000005740000-0x0000000005A97000-memory.dmp

        memory/1644-38-0x00000000061D0000-0x000000000621C000-memory.dmp

        memory/2932-46-0x0000000000400000-0x0000000000798000-memory.dmp

        memory/2932-27-0x00000000026B0000-0x00000000026B1000-memory.dmp

        memory/2932-26-0x00000000026A0000-0x00000000026A1000-memory.dmp

        memory/2932-25-0x0000000002630000-0x0000000002632000-memory.dmp

        memory/2932-41-0x0000000000400000-0x0000000000798000-memory.dmp

        memory/4940-3-0x00000000026B0000-0x00000000026B1000-memory.dmp

        memory/4940-2-0x00000000026A0000-0x00000000026A1000-memory.dmp

        memory/4940-1-0x0000000002630000-0x0000000002632000-memory.dmp

        memory/4940-28-0x0000000000400000-0x0000000000798000-memory.dmp

        memory/4940-44-0x0000000000400000-0x0000000000798000-memory.dmp

        memory/4940-0-0x0000000000400000-0x0000000000798000-memory.dmp