Trojan.DownLoader33.63950

Technical Information

To ensure autorun and distribution

Modifies the following registry keys

[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\] 'Client Server Runtime Process' = 'C:\106512652925249\csrss.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'Client Server Runtime Process' = 'C:\106512652925249\csrss.exe'
[<HKLM>\SOFTWARE\Wow6432Node\Microsoft\Windows\CurrentVersion\Run\] 'Host Process for Windows Services' = 'C:\26910171117154\svchost.exe'
[<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run\] 'Host Process for Windows Services' = 'C:\26910171117154\svchost.exe'

Infects the following executable files

<Drive name for removable media>:\dotnetfx45_full_setup.exe
<Drive name for removable media>:\wrar520.exe
<Drive name for removable media>:\tcm851ax32.exe
<Drive name for removable media>:\notepad.exe
<Drive name for removable media>:\chromesetup.exe
<Drive name for removable media>:\__\dotnetfx45_full_setup.exe
<Drive name for removable media>:\__\wrar520.exe
<Drive name for removable media>:\__\tcm851ax32.exe
<Drive name for removable media>:\__\notepad.exe
<Drive name for removable media>:\__\chromesetup.exe

Creates the following files on removable media

<Drive name for removable media>:\__\drivemgr.exe
<Drive name for removable media>:\taxus_baccata.rdf
<Drive name for removable media>:\foaf.rdf
<Drive name for removable media>:\skos.rdf
<Drive name for removable media>:\contenttypes.rdf
<Drive name for removable media>:\digest.rdf
<Drive name for removable media>:\middaugh_keynote.pptx
<Drive name for removable media>:\stoc13_ml_quoc_le.pptx
<Drive name for removable media>:\samieee_obiee_presentation.pptx
<Drive name for removable media>:\gruenspecht_02172016.pptx
<Drive name for removable media>:\asaprojectcompetition.pptx
<Drive name for removable media>:\static_electricity_easy_and_quick_activities.rtf
<Drive name for removable media>:\krsweden.rtf
<Drive name for removable media>:\file1.ppt
<Drive name for removable media>:\breakpoint.png
<Drive name for removable media>:\arrow-down.png
<Drive name for removable media>:\asm.png
<Drive name for removable media>:\cleanlyrics.png
<Drive name for removable media>:\calibre.png
<Drive name for removable media>:\tunpersonalca1.pem
<Drive name for removable media>:\systisoft.pem
<Drive name for removable media>:\irgeek.pem
<Drive name for removable media>:\hhhlcert.pem
<Drive name for removable media>:\proposaltemplates.ppt
<Drive name for removable media>:\chromesetup.exe
<Drive name for removable media>:\pubnet_855.rtf
<Drive name for removable media>:\removedtitles_records.zip
<Drive name for removable media>:\excel_example.zip
<Drive name for removable media>:\contractualdeadlines.zip
<Drive name for removable media>:\1sm_price.zip
<Drive name for removable media>:\national_autism_preparation_programs.xlsx
<Drive name for removable media>:\suspendedcompanies.xlsx
<Drive name for removable media>:\highly_cited_2001.xlsx
<Drive name for removable media>:\disclosuredetails.xlsx
<Drive name for removable media>:\al.xlsx
<Drive name for removable media>:\2013_finalsummaryforweb.xlsx
<Drive name for removable media>:\2013_smccc_competition_points_jul2013.xlsx
<Drive name for removable media>:\productos.xls
<Drive name for removable media>:\contractualdeadlines.xls
<Drive name for removable media>:\1sm_price.xls
<Drive name for removable media>:\removedtitles_records.xls
<Drive name for removable media>:\price030215.xls
<Drive name for removable media>:\guide_reorganization_mapping.xls
<Drive name for removable media>:\calculatorworksheet.xls
<Drive name for removable media>:\testwmv.wmv
<Drive name for removable media>:\babyboymaintoscenesbackground.wmv
<Drive name for removable media>:\fungalnameauthors.rtf
<Drive name for removable media>:\router_manual.rtf
<Drive name for removable media>:\pandp.rtf
<Drive name for removable media>:\cert.pem
<Drive name for removable media>:\accountsreceivable.ppt
<Drive name for removable media>:\2015-02-worms-nanoparticle-toxicity.pdf
<Drive name for removable media>:\7790_preview.pdf
<Drive name for removable media>:\fil_20060629111052.pdf
<Drive name for removable media>:\sdksampleprivdeveloper.cer
<Drive name for removable media>:\dotnetfx45_full_setup.exe
<Drive name for removable media>:\glidescope_review_rev_010.docx
<Drive name for removable media>:\hadac_newsletter_july_2010_final.docx
<Drive name for removable media>:\adhd_and_obesity.docx
<Drive name for removable media>:\holycrosschurchinstructions.docx
<Drive name for removable media>:\lisp_success.doc
<Drive name for removable media>:\applicantform_en.doc
<Drive name for removable media>:\fi51.doc
<Drive name for removable media>:\ovp25012015.doc
<Drive name for removable media>:\contosoroot.cer
<Drive name for removable media>:\testcertificate.cer
<Drive name for removable media>:\tcm851ax32.exe
<Drive name for removable media>:\contoso_1.cer
<Drive name for removable media>:\dashborder_96.bmp
<Drive name for removable media>:\dashborder_120.bmp
<Drive name for removable media>:\dial.bmp
<Drive name for removable media>:\000814251_video_01.avi
<Drive name for removable media>:\split.avi
<Drive name for removable media>:\delete.avi
<Drive name for removable media>:\join.avi
<Drive name for removable media>:\correct.avi
<Drive name for removable media>:\.lnk
<Drive name for removable media>:\calculatorworksheet.zip
<Drive name for removable media>:\phytoremediation.rtf
<Drive name for removable media>:\notepad.exe
<Drive name for removable media>:\64bit_notes.htm
<Drive name for removable media>:\wrar520.exe
<Drive name for removable media>:\spanner.mov
<Drive name for removable media>:\dag2_panel1_320_ref.mov
<Drive name for removable media>:\firefly1.mov
<Drive name for removable media>:\parnas_01.jpg
<Drive name for removable media>:\168.jpg
<Drive name for removable media>:\13.jpg
<Drive name for removable media>:\3.jpg
<Drive name for removable media>:\1189.jpg
<Drive name for removable media>:\4f0bf7ff71f28.jpg
<Drive name for removable media>:\1189.jpeg
<Drive name for removable media>:\parnas_01.jpeg
<Drive name for removable media>:\api-hashmap.html
<Drive name for removable media>:\tree_view.html
<Drive name for removable media>:\iisstart.html
<Drive name for removable media>:\browse.html
<Drive name for removable media>:\howto-index.html
<Drive name for removable media>:\ituneshelpunavailable.html
<Drive name for removable media>:\about.html
<Drive name for removable media>:\adadsi.html
<Drive name for removable media>:\about.htm
<Drive name for removable media>:\browse.htm
<Drive name for removable media>:\advice_process.htm
<Drive name for removable media>:\garden.htm
<Drive name for removable media>:\productos.zip

Malicious functions

To complicate detection of its presence in the operating system,

blocks the following features:

Windows Security Center

Creates and executes the following

'' (downloaded from the Internet)

Modifies file system

Creates the following files

C:\106512652925249\csrss.exe
%TEMP%\2284527696.exe
C:\26910171117154\svchost.exe
%TEMP%\1266611189.exe
%TEMP%\3120213778.exe
%TEMP%\1072138901.exe

Sets the 'hidden' attribute to the following files

C:\106512652925249\csrss.exe
C:\26910171117154\svchost.exe
<Drive name for removable media>:\.lnk

Deletes the following files

%TEMP%\1266611189.exe

Modifies user data files (Trojan.Encoder).

Network activity

Connects to

'tl##net.top':80

TCP

HTTP GET requests

http://21#.#.117.63/PEINF=1
http://21#.#.117.63/pe/8
http://21#.#.117.63/pe/7
http://21#.#.117.63/pe/6
http://21#.#.117.63/pe/5
http://21#.#.117.63/pe/4
http://21#.#.117.63/pe/3
http://21#.#.117.63/pe/2
http://21#.#.117.63/1
http://21#.#.117.63/pe/1
http://tl##net.top/pe/7
http://tl##net.top/pe/6
http://tl##net.top/pe/5
http://tl##net.top/pe/4
http://tl##net.top/pe/3
http://tl##net.top/pe/2
http://tl##net.top/pe/1
http://tl##net.top/pe/8
http://21#.#.117.63/2

UDP

DNS ASK tl##net.top
DNS ASK ts###udtddt.top
DNS ASK or###zwwtug.top
DNS ASK mk###zfzstz.top

Miscellaneous

Creates and executes the following

'C:\106512652925249\csrss.exe'
'%TEMP%\2284527696.exe'
'C:\26910171117154\svchost.exe'
'%TEMP%\3120213778.exe'
'%TEMP%\1072138901.exe'

Технологии

Термины

Обучение и просвещение

Мифы

Technical Information

Рекомендации по лечению

Демо бесплатно на 14 дней