VBS/Redlof.A@m

description-logoAnalysis

  • Drops the following files:
    • undefinedWindowsundefined\web\kjwall.gif
    • undefinedSystemundefined\kjwall.gif
    • undefinedSystemundefined\kernel.dll OR c:\windows\system\kernel32.dll
    • undefinedProgram Filesundefined\Common Files\Microsoft Shared\Stationery\blank.htm
  • Modifies the following registry:
    • key: HKEY_CLASSES_ROOT\dllfile
    • value: ScriptEngine
    • data: VBScript
    • key: HKEY_CLASSES_ROOT\dllFile\Shell\Open
    • value: Command
    • data: undefinedSystemundefined\WScript.exe "undefined1" undefined*
    • key: HKEY_CLASSES_ROOT\dllFile\ShellEx\PropertySheetHandlers
    • value: WSHProps
    • data: {60254CA5-953B-11CF-8C96-00AA00B8708C}
    • key: HKEY_CLASSES_ROOT\dllFile
    • value: ScriptHostEncode
    • data: {85131631-480C-11D2-B1F9-00C04F86C324}
    • key: HKEY_CURRENT_USER\Identities\{Default User ID}\Software\Microsoft\Outlook Express\{Version Number}\Mail
    • value: Compose Use Stationery
    • data: 1
    • key: HKEY_CURRENT_USER\Identities\{Default User ID}\Software\Microsoft\Outlook Express\{Version Number}\Mail"
    • value: Stationery Name
    • data: undefinedProgram Filesundefined\Common Files\Microsoft Shared\Stationery\blank.htm
    • key: HKEY_CURRENT_USER\Identities\{Default User ID}\Software\Microsoft\Outlook Express\{Version Number}\Mail
    • value: Wide Stationery Name
    • data: undefinedProgram Filesundefined\Common Files\Microsoft Shared\Stationery\blank.htm
    • key: HKEY_CURRENT_USER\Software\Microsoft\Office\9.0\Outlook\Options\Mail
    • value: EditorPreference
    • data: 131-72
    • key: HKEY_CURRENT_USER\Software\Microsoft\Windows Messaging Subsystem\Profiles\Microsoft Outlook Internet Settings\0a0d020000000000c000000000000046
    • value: 001e0360
    • data: blank
    • key: HKEY_CURRENT_USER\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Microsoft Outlook Internet Settings\0a0d020000000000c000000000000046
    • value: 001e0360
    • data: blank
    • key: HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Outlook\Options\Mail
    • value: EditorPreference
    • data: 131072
    • key: HKEY_CURRENT_USER\Software\Microsoft\Office\10.0\Common\MailSettings\
    • value: NewStationery
    • data: blank
  • It inserts itself in all HTM, HTML, PHP, ASP, and JSP files found in the current directory and its subdirectories up to a certain depth.

  • All mails sent using Outlook will be in HTML format and the HTML file will be infected.
  • recommended-action-logoRecommended Action

      FortiGate Systems
    • Check the main screen using the web interface for your FortiGate unit to ensure that the latest AV/NIDS database has been downloaded and installed on your system - if required, enable the 'Allow Push Update' option.
      FortiClient Systems
    • Quarantine/delete files that are detected and replace infected files with clean backup copies.

    Telemetry logoTelemetry

    Detection Availability

    FortiClient
    Extreme
    FortiMail
    Extreme
    FortiSandbox
    Extreme
    FortiWeb
    Extreme
    Web Application Firewall
    Extreme
    FortiIsolator
    Extreme
    FortiDeceptor
    Extreme
    FortiEDR

    Version Updates

    Date Version Detail
    2019-05-03 68.25100 Sig Added
    2019-05-03 68.25000 Sig Updated