Analysis

  • max time kernel
    149s
  • max time network
    149s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    04/06/2026, 06:24

General

  • Target
    Transferencia.js
  • Size 320KB
  • Sample260604-g6ctlsbz2n
  • SHA256 26fd510380761c27dc63df62d87b85f6cd5809f23be76f55f1e9288ee66686c9
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • agenttesla

Credentials

Signatures

  • Family: AgentTesla

    Agent Tesla is a remote access tool (RAT) written in visual basic.

  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Checks computer location settings 2 TTPs 1 IoCs

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

  • Accesses Microsoft Outlook profiles 1 TTPs 1 IoCs
  • Contacts third-party web service commonly abused for C2 1 TTPs 5 IoCs

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Drops file in System32 directory 1 IoCs
  • Suspicious use of NtCreateThreadExHideFromDebugger 1 IoCs
  • Suspicious use of NtSetInformationThreadHideFromDebugger 2 IoCs
  • Command and Scripting Interpreter: JavaScript 1 TTPs
  • Command and Scripting Interpreter: PowerShell 1 TTPs 1 IoCs

    Using powershell.exe command.

  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 2 IoCs

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

  • Suspicious behavior: EnumeratesProcesses 7 IoCs
  • Suspicious behavior: MapViewOfSection 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 7 IoCs
  • outlook_office_path 1 IoCs

Processes

  • C:\Windows\system32\wscript.exe
    wscript.exe C:\Users\Admin\AppData\Local\Temp\Transferencia.js
    1⤵
    • Badlisted process makes network request
    • Checks computer location settings
    • Suspicious use of WriteProcessMemory
    PID:1016
    • C:\Windows\explorer.exe
      "C:\Windows\explorer.exe" "C:\Users\Admin\AppData\Local\Temp\Spndetampe.lnk"
      2⤵
        PID:464
    • C:\Windows\explorer.exe
      C:\Windows\explorer.exe /factory,{75dff2b7-6936-4c06-a8bb-676a7b00b24b} -Embedding
      1⤵
      • Suspicious use of WriteProcessMemory
      PID:4788
      • C:\Windows\system32\cmd.exe
        "C:\Windows\system32\cmd.exe" /c START "Modenhe" /min powershell.exe -Command "$Pizzabars=($HOME+'/app'+'data/local/Unfa');$Infr27=gc $Pizzabars;$parall=$Infr27[4260]+$Infr27[4261]+$Infr27[4262]; . ($parall) $Infr27" && exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4836
        • C:\Windows\System32\WindowsPowerShell\v1.0\powershell.exe
          powershell.exe -Command "$Pizzabars=($HOME+'/app'+'data/local/Unfa');$Infr27=gc $Pizzabars;$parall=$Infr27[4260]+$Infr27[4261]+$Infr27[4262]; . ($parall) $Infr27"
          3⤵
          • Badlisted process makes network request
          • Drops file in System32 directory
          • Command and Scripting Interpreter: PowerShell
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          PID:4376
    • C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe
      "C:\Windows\SysWOW64\WindowsPowerShell\v1.0\powershell.exe" "$Pizzabars=($HOME+'/app'+'data/local/Unfa');$Infr27=gc $Pizzabars;$parall=$Infr27[4260]+$Infr27[4261]+$Infr27[4262]; . ($parall) $Infr27"
      1⤵
      • Suspicious use of NtSetInformationThreadHideFromDebugger
      • System Location Discovery: System Language Discovery
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious behavior: MapViewOfSection
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:4736
      • C:\Windows\SysWOW64\backgroundTaskHost.exe
        "C:\Windows\SysWOW64\backgroundTaskHost.exe"
        2⤵
          PID:4984
        • C:\Windows\SysWOW64\backgroundTaskHost.exe
          "C:\Windows\SysWOW64\backgroundTaskHost.exe"
          2⤵
          • Accesses Microsoft Outlook profiles
          • Suspicious use of NtCreateThreadExHideFromDebugger
          • Suspicious use of NtSetInformationThreadHideFromDebugger
          • System Location Discovery: System Language Discovery
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of AdjustPrivilegeToken
          • Suspicious use of WriteProcessMemory
          • outlook_office_path
          PID:4204
          • C:\Windows\SysWOW64\backgroundTaskHost.exe
            "C:\Windows\SysWOW64\backgroundTaskHost.exe"
            3⤵
              PID:4596

        Network

              MITRE ATT&CK Enterprise v16

              Replay Monitor

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              Downloads

              StartupProfileData-NonInteractive

              • Path C:\Users\Admin\AppData\Local\Microsoft\Windows\PowerShell\StartupProfileData-NonInteractive
              • Size 1KB
              • SHA256 1fa166da8b3a7c7b420780d42b4fdc7f9026658c307745261466065f333d52a5
              • MD5 SHA1 SHA512 TLSH

              Spndetampe.lnk

              • Path C:\Users\Admin\AppData\Local\Temp\Spndetampe.lnk
              • Size 1KB
              • SHA256 cc0096179acaa44d520e6bdea408f7ba0e91304480c6639aa402984702efadbd
              • MD5 SHA1 SHA512 TLSH

              __PSScriptPolicyTest_phokcqjw.x35.ps1

              • Path C:\Users\Admin\AppData\Local\Temp\__PSScriptPolicyTest_phokcqjw.x35.ps1
              • Size 60B
              • SHA256 96ad1146eb96877eab5942ae0736b82d8b5e2039a80d3d6932665c1a4c87dcf7
              • MD5 SHA1 SHA512 TLSH

              Preexp.Bon

              • Path C:\Users\Admin\AppData\Roaming\Preexp.Bon
              • Size 220KB
              • SHA256 c850e0bdb7470a1e7ae2ab5ad1d2b421f9911c76f9ae313fb5f365d79ca40d3e
              • MD5 SHA1 SHA512 SSDEEP TLSH

              Unfa

              • Path C:\Users\Admin\appdata\local\Unfa
              • Size 4KB
              • SHA256 09b35ac00b6de8c5dc09b7b5d22164ccf7b7c976264f4bf2928f1cfdfaa08f56
              • MD5 SHA1 SHA512 SSDEEP TLSH

              memory/4204-62-0x000000001FBE0000-0x000000001FBEA000-memory.dmp

              memory/4204-61-0x000000001FC50000-0x000000001FCE2000-memory.dmp

              memory/4204-60-0x000000001FB60000-0x000000001FBB0000-memory.dmp

              memory/4204-57-0x0000000000800000-0x0000000001A54000-memory.dmp

              memory/4204-58-0x0000000000800000-0x0000000000840000-memory.dmp

              memory/4204-48-0x0000000000800000-0x0000000001A54000-memory.dmp

              memory/4376-9-0x0000021744270000-0x0000021744292000-memory.dmp

              memory/4736-24-0x0000000005440000-0x0000000005462000-memory.dmp

              memory/4736-44-0x0000000008C00000-0x000000000DE7A000-memory.dmp

              memory/4736-39-0x00000000067E0000-0x00000000067FA000-memory.dmp

              memory/4736-40-0x0000000006840000-0x0000000006862000-memory.dmp

              memory/4736-41-0x0000000007950000-0x0000000007EF4000-memory.dmp

              memory/4736-42-0x0000000008580000-0x0000000008BFA000-memory.dmp

              memory/4736-37-0x0000000006380000-0x00000000063CC000-memory.dmp

              memory/4736-38-0x00000000072B0000-0x0000000007346000-memory.dmp

              memory/4736-36-0x00000000062F0000-0x000000000630E000-memory.dmp

              memory/4736-34-0x0000000005CE0000-0x0000000006034000-memory.dmp

              memory/4736-26-0x0000000005C40000-0x0000000005CA6000-memory.dmp

              memory/4736-25-0x0000000005B20000-0x0000000005B86000-memory.dmp

              memory/4736-23-0x0000000005480000-0x0000000005AA8000-memory.dmp

              memory/4736-22-0x00000000029D0000-0x0000000002A06000-memory.dmp