- Submission details:
- Submission received: 7 November 2017, 16:51:03
- Processing time: 5 min 41 sec
- Submitted sample:
- File MD5: 0xAB2C5D3C4BD6615301A767B9FE9046DF
- File SHA-1: 0x44527FAD52F84A7109744BCDFCE545C9DC60FA8F
- Filesize: 77,824 bytes
- W32.Changeup!gen20 [Symantec]
- Worm.Win32.VBNA.bala [Kaspersky Lab]
- Generic Downloader.pr [McAfee]
- Worm:Win32/Vobfus.gen!W [Microsoft]
- Worm.Win32.Vobfus [Ikarus]
|What's been found||Severity Level|
|Modifies some system settings that may have negative impact on overall system security state.|
|Creates a startup registry entry.|
|Contains characteristics of an identified security risk.|
|Possible Security Risk|
- Attention! The following threat category was identified:
||A network-aware worm that attempts to replicate across the existing network(s)
- There were new processes created in the system:
|Process Name||Process Filename||Main Module Size|
|[filename of the sample #1]||[file and pathname of the sample #1]||81,920 bytes|
- %UserProfile% is a variable that specifies the current user's profile folder. By default, this is C:\Documents and Settings\[UserName] (Windows NT/2000/XP).
- The following Registry Keys were created:
- The newly created Registry Values are:
- NoAutoUpdate = 0x00000001
to disable automatic Windows Updates
- muefe = "%UserProfile%\muefe.exe /r"
so that %UserProfile%\muefe.exe runs every time Windows starts
- To mark the presence in the system, the following Mutex object was created:
- The following port was open in the system:
|1033||TCP||[file and pathname of the sample #1]|
- The following Host Name was requested from a host database:
- There was registered attempt to establish connection with the remote host. The connection details are:
|Remote Host||Port Number|
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