Win32/Sabresac [Threat Name] go to Threat

Win32/Sabresac.C [Threat Variant Name]

Category trojan
Size 363045 B
Short description

Win32/Sabresac.C serves as a backdoor. It can be controlled remotely.


When executed, the trojan copies itself into the following location:

  • %programfiles%\­Windows ExSoga\­winsogaw.exe (363045 B, Win32/Sabresac.C)

The trojan registers itself as a system service using the following name:

  • WinSystemSvcW

The following Registry entries are set:

    • "Install" = "%programfiles%\­Windows ExSoga\­"
    • "Version" = "1.1.6"
    • "Uid" = "%variable1%"
    • "Type" = "White"
    • "Sor" = "px7"
  • [HKEY_LOCAL_MACHINE\­SYSTEM\­CurrentControlSet\­Services\­WinSystemSvcB]
    • "Type" = 16
    • "Start" = 2
    • "ErrorControl" = 1
    • "ImagePath" = "%programfiles%\­Windows ExSoga\­winsogaw.exe"
    • "DisplayName" = "Tsydm-winex-%variable2%"
    • "ObjectName" = "LocalSystem"

A string with variable content is used instead of %variable1%, %d% .

Information stealing

The trojan collects the following information:

  • operating system version
  • language settings
  • installed antivirus software
  • volume serial number

The trojan attempts to send gathered information to a remote machine.

Other information

The trojan acquires data and commands from a remote computer or the Internet.

The trojan contains a list of (5) URLs. The TCP, HTTP protocol is used in the communication.

It can execute the following operations:

  • download files from a remote computer and/or the Internet
  • run executable files
  • execute shell commands

The trojan creates the following folders:

  • "%temp%\­ist%variable%.tmp"

A string with variable content is used instead of %variable% .

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