Analysis

  • max time kernel
    59s
  • max time network
    136s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20230220-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20230220-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18/04/2023, 18:39

General

  • Target
    script.ps1
  • Size 505B
  • Sample230418-xapfjafb2t
  • SHA256 7f1bfe31baacd8ec5ae271d00b32bc39b244191a99349b570d4d16ef77a4eaab
  • MD5 SHA1 SHA512

Malware Config

Signatures

  • NetSupport

    NetSupport is a remote access tool sold as a legitimate system administration software.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 5 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Suspicious behavior: EnumeratesProcesses 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs

Processes

  • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
    powershell.exe -ExecutionPolicy bypass -File C:\Users\Admin\AppData\Local\Temp\script.ps1
    1⤵
    • Adds Run key to start application
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:2188
    • C:\Users\Admin\AppData\Roaming\OneDrveSync\client32.exe
      "C:\Users\Admin\AppData\Roaming\OneDrveSync\client32.exe"
      2⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:1112

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        __PSScriptPolicyTest_vp53oona.hvh.ps1

        • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_vp53oona.hvh.ps1
        • Size 60B
        • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
        • MD5 SHA1 SHA512

        HTCTL32.DLL

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\HTCTL32.DLL
        • Size 320KB
        • SHA256 3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899
        • MD5 SHA1 SHA512 SSDEEP

        HTCTL32.DLL

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\HTCTL32.DLL
        • Size 320KB
        • SHA256 3c072532bf7674d0c5154d4d22a9d9c0173530c0d00f69911cdbc2552175d899
        • MD5 SHA1 SHA512 SSDEEP

        MSVCR100.dll

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\MSVCR100.dll
        • Size 755KB
        • SHA256 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
        • MD5 SHA1 SHA512 SSDEEP

        NSM.LIC

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\NSM.LIC
        • Size 258B
        • SHA256 f4e2f28169e0c88b2551b6f1d63f8ba513feb15beacc43a82f626b93d673f56d
        • MD5 SHA1 SHA512

        PCICHEK.DLL

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\PCICHEK.DLL
        • Size 18KB
        • SHA256 956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd
        • MD5 SHA1 SHA512 SSDEEP

        PCICL32.DLL

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\PCICL32.DLL
        • Size 3.6MB
        • SHA256 38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5
        • MD5 SHA1 SHA512 SSDEEP

        PCICL32.dll

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\PCICL32.dll
        • Size 3.6MB
        • SHA256 38684adb2183bf320eb308a96cdbde8d1d56740166c3e2596161f42a40fa32d5
        • MD5 SHA1 SHA512 SSDEEP

        client32.exe

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\client32.exe
        • Size 104KB
        • SHA256 a16dacbab60ca49de99d2e5617a189dcb4b699577f6d66f1cccd96689de6947d
        • MD5 SHA1 SHA512 SSDEEP

        client32.exe

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\client32.exe
        • Size 104KB
        • SHA256 a16dacbab60ca49de99d2e5617a189dcb4b699577f6d66f1cccd96689de6947d
        • MD5 SHA1 SHA512 SSDEEP

        client32.exe

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\client32.exe
        • Size 104KB
        • SHA256 a16dacbab60ca49de99d2e5617a189dcb4b699577f6d66f1cccd96689de6947d
        • MD5 SHA1 SHA512 SSDEEP

        client32.ini

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\client32.ini
        • Size 912B
        • SHA256 3878c1bd159521285f4170108fb390de7ab6589972185faa0a81795e2e1cbb01
        • MD5 SHA1 SHA512

        msvcr100.dll

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\msvcr100.dll
        • Size 755KB
        • SHA256 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
        • MD5 SHA1 SHA512 SSDEEP

        pcicapi.dll

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\pcicapi.dll
        • Size 32KB
        • SHA256 2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703
        • MD5 SHA1 SHA512 SSDEEP

        pcicapi.dll

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\pcicapi.dll
        • Size 32KB
        • SHA256 2d6c6200508c0797e6542b195c999f3485c4ef76551aa3c65016587788ba1703
        • MD5 SHA1 SHA512 SSDEEP

        pcichek.dll

        • Path C:\Users\Admin\AppData\Roaming\OneDrveSync\pcichek.dll
        • Size 18KB
        • SHA256 956b9fa960f913cce3137089c601f3c64cc24c54614b02bba62abb9610a985dd
        • MD5 SHA1 SHA512 SSDEEP

        memory/2188-148-0x000001DFDBDA0000-0x000001DFDBDAA000-memory.dmp

        memory/2188-147-0x000001DFDBDC0000-0x000001DFDBDD2000-memory.dmp

        memory/2188-146-0x000001DFDBD80000-0x000001DFDBD94000-memory.dmp

        memory/2188-145-0x000001DFD9C00000-0x000001DFD9C10000-memory.dmp

        memory/2188-144-0x000001DFD9C00000-0x000001DFD9C10000-memory.dmp

        memory/2188-143-0x000001DFD9C00000-0x000001DFD9C10000-memory.dmp

        memory/2188-138-0x000001DFD9B10000-0x000001DFD9B32000-memory.dmp