Trojan.Siggen9.45693

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Mymp4' = '%APPDATA%\Mymp4\Mymp4.exe'

Creates or modifies the following files

<SYSTEM32>\tasks\updates\kczzkkhfsg

Creates the following files on removable media

<Drive name for removable media>:\6fbb92e0-f7f4-4720-ba5d-c4eb7ef28707.exe
<Drive name for removable media>:\tree_view.htm.lnk
<Drive name for removable media>:\alert.htm.lnk
<Drive name for removable media>:\64bit_notes.htm.lnk
<Drive name for removable media>:\ituneshelpunavailable.html.lnk
<Drive name for removable media>:\alert.html.lnk
<Drive name for removable media>:\1189.jpeg.lnk
<Drive name for removable media>:\2.jpeg.lnk
<Drive name for removable media>:\region-north-karelia.jpeg.lnk
<Drive name for removable media>:\pushkin.jpeg.lnk
<Drive name for removable media>:\3.jpeg.lnk
<Drive name for removable media>:\parnas_01.jpg.lnk
<Drive name for removable media>:\region-north-karelia.jpg.lnk
<Drive name for removable media>:\4f0bf7ff71f28.jpg.lnk
<Drive name for removable media>:\13.jpg.lnk
<Drive name for removable media>:\1189.jpg.lnk
<Drive name for removable media>:\210252809.jpg.lnk
<Drive name for removable media>:\pushkin.jpg.lnk
<Drive name for removable media>:\firefly1.mov.lnk
<Drive name for removable media>:\scan.mov.lnk
<Drive name for removable media>:\clip_1080_5sec_10mbps_h264.mp4.lnk
<Drive name for removable media>:\51.mp4.lnk
<Drive name for removable media>:\d0068197bb5a41fea16a220c45390606.mp4.lnk
<Drive name for removable media>:\fil_20060629111052.pdf.lnk
<Drive name for removable media>:\notepad.exe.lnk
<Drive name for removable media>:\spib_pima.pdf.lnk
<Drive name for removable media>:\calc.exe.lnk
<Drive name for removable media>:\skypesetup.exe.lnk
<Drive name for removable media>:\archer.avi.lnk
<Drive name for removable media>:\dashborder_144.bmp.lnk
<Drive name for removable media>:\dial.bmp.lnk
<Drive name for removable media>:\tileimage.bmp.lnk
<Drive name for removable media>:\dialmap.bmp.lnk
<Drive name for removable media>:\coffee.bmp.lnk
<Drive name for removable media>:\default.bmp.lnk
<Drive name for removable media>:\sdksampleunprivdeveloper.cer.lnk
<Drive name for removable media>:\contoso_1.cer.lnk
<Drive name for removable media>:\sdkfailsafeemulator.cer.lnk
<Drive name for removable media>:\contoso.cer.lnk
<Drive name for removable media>:\contosoroot_1.cer.lnk
<Drive name for removable media>:\sdksampleprivdeveloper.cer.lnk
<Drive name for removable media>:\508softwareandos.doc.lnk
<Drive name for removable media>:\hanni_umami_chapter.doc.lnk
<Drive name for removable media>:\february_catalogue__2015.doc.lnk
<Drive name for removable media>:\weeklysheet1215.doc.lnk
<Drive name for removable media>:\hadac_newsletter_july_2010_final.docx.lnk
<Drive name for removable media>:\nwfieldnotes1966.docx.lnk
<Drive name for removable media>:\file_p_00000000_1371597592.docx.lnk
<Drive name for removable media>:\thlps_keeper_mayer_1965.docx.lnk
<Drive name for removable media>:\adhd_and_obesity.docx.lnk
<Drive name for removable media>:\sdszfo.docx.lnk
<Drive name for removable media>:\tcm851ax32.exe.lnk
<Drive name for removable media>:\dualectls.pdf.lnk

Malicious functions

Searches for registry branches where third party applications store passwords

[<HKCU>\Software\RimArts\B2\Settings]

Reads files which store third party applications passwords

%APPDATA%\mozilla\firefox\profiles.ini
%APPDATA%\thunderbird\profiles.ini
%LOCALAPPDATA%\google\chrome\user data\default\login data

Modifies file system

Creates the following files

%APPDATA%\kczzkkhfsg.exe
%TEMP%\tmpac83.tmp
%APPDATA%\mymp4\mymp4.exe
%PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
%PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
%PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
%LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol

Sets the 'hidden' attribute to the following files