Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    147s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    11/05/2026, 16:43

General

  • Target
    challenge.exe
  • Size 15.9MB
  • Sample260511-t8egfaez2x
  • SHA256 b54e62274c015d937f9fd6dc59260f34e1bf2166fdba0a26cd9711e541e13a74
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Command and Scripting Interpreter: PowerShell 1 TTPs 4 IoCs

    Using powershell.exe command.

  • Modifies trusted root certificate store through registry 1 TTPs 2 IoCs

    A root certificate was added, modified, or removed in the trusted certificate store registry paths.

  • Modifies system certificate store 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 4 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\challenge.exe
    "C:\Users\Admin\AppData\Local\Temp\challenge.exe"
    1⤵
    • Modifies trusted root certificate store through registry
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:4704
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -NonInteractive -Command "(Get-ItemProperty 'HKLM:\SOFTWARE\Microsoft\Cryptography').MachineGuid"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:2200
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -NonInteractive -Command "(Get-WmiObject Win32_ComputerSystemProduct | Select-Object -First 1).UUID"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:6004
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -NonInteractive -Command "(Get-WmiObject Win32_DiskDrive | Select-Object -First 1).SerialNumber"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4664
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      powershell -NoProfile -NonInteractive -Command "(Get-WmiObject Win32_Processor | Select-Object -First 1).ProcessorId"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      PID:4652

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\UsageLogs\powershell.exe.log
        • Size 2KB
        • SHA256 b1f292b6199aa29c7fafbca007e5f9e3f68edcbbca1965bc828cc92dc0f18bb8
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 64B
        • SHA256 e01c06d94e15689c6f1df12a7c01e8c99b16e693bff41af88917a31b93cc1bf0
        • MD5 SHA1 SHA512

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 9cec0c20b0888233bb5e426f9b85d4653f8a287e42018b65dc95eb5647193c37
        • MD5 SHA1 SHA512 TLSH

        StartupProfileData-NonInteractive

        • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
        • Size 1KB
        • SHA256 931a2eaa61178581995773a9da78f4bfd76ad27c29b44442fa1329b384a0cd96
        • MD5 SHA1 SHA512 TLSH

        __PSScriptPolicyTest_htqd4yio.gvi.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_htqd4yio.gvi.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512 TLSH

        memory/2200-12-0x000001CCBED80000-0x000001CCBED8C000-memory.dmp

        memory/2200-1-0x000001CCD74E0000-0x000001CCD74F0000-memory.dmp

        memory/2200-2-0x000001CCBF350000-0x000001CCBF372000-memory.dmp

        memory/2200-0-0x000001CCD74E0000-0x000001CCD74F0000-memory.dmp

        memory/4652-44-0x00000198C2D20000-0x00000198C2D2C000-memory.dmp

        memory/4664-34-0x00000266A2820000-0x00000266A282C000-memory.dmp

        memory/4704-45-0x000001E272580000-0x000001E27258C000-memory.dmp

        memory/6004-14-0x0000023E636B0000-0x0000023E636C0000-memory.dmp

        memory/6004-24-0x0000023E618C0000-0x0000023E618CC000-memory.dmp