Trojan.Siggen9.9581

Technical Information

Malicious functions

Searches for registry branches where third party applications store passwords

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

Reads files which store third party applications passwords

%LOCALAPPDATA%\google\chrome\user data\default\cookies
%LOCALAPPDATA%\google\chrome\user data\default\web data

Searches for windows to

detect analytical utilities:

ClassName: 'OLLYDBG', WindowName: ''
ClassName: 'GBDYLLO', WindowName: ''
ClassName: 'pediy06', WindowName: ''
ClassName: 'FilemonClass', WindowName: ''
ClassName: '', WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
ClassName: '', WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
ClassName: 'RegmonClass', WindowName: ''
ClassName: '', WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'

Modifies file system

Creates the following files

%TEMP%\49493ab0\api-ms-win-core-console-l1-1-0.dll
%PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
%TEMP%\11148126041430058829757.tmp
%TEMP%\11147816986359118057522.tmp
%TEMP%\49493ab0\vcruntime140.dll
%TEMP%\49493ab0\ucrtbase.dll
%TEMP%\49493ab0\softokn3.dll
%PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
%TEMP%\49493ab0\nssdbm3.dll
%TEMP%\49493ab0\msvcp140.dll
%TEMP%\49493ab0\mozglue.dll
%TEMP%\49493ab0\freebl3.dll
%TEMP%\49493ab0\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\49493ab0\nss3.dll
%TEMP%\11175788640368861336880.tmp
%WINDIR%\serviceprofiles\networkservice\appdata\locallow\microsoft\cryptneturlcache\content\f0accf77cdcbff39f6191887f6d2d357
%TEMP%\11174213916745718935025.tmp
%WINDIR%\serviceprofiles\networkservice\appdata\locallow\microsoft\cryptneturlcache\metadata\f0accf77cdcbff39f6191887f6d2d357
%TEMP%\reg.exe
%TEMP%\11176562124584322417321.tmp-shm
%TEMP%\11176562124584322417321.tmp
%TEMP%\11176404961403347397731.tmp
%TEMP%\11176099116977592353846.tmp
%TEMP%\49493ab0\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\1117593932814303162164.tmp
%TEMP%\11175621679250904830.tmp
%TEMP%\1117562625440124884661.tmp
%TEMP%\1117546910067488563854.tmp
%TEMP%\11175002550861617615341.tmp-shm
%TEMP%\11175002550861617615341.tmp
%TEMP%\1117421268135329694637.tmp
%PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
%LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
%TEMP%\49493ab0\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\49493ab0\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-file-l2-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-file-l1-2-0.dll
%TEMP%\49493ab0\api-ms-win-core-file-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-private-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-multibyte-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-util-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\49493ab0\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-string-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\1qfmq7

Deletes the following files

%TEMP%\11147816986359118057522.tmp
%TEMP%\49493ab0\api-ms-win-core-rtlsupport-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-string-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-synch-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-synch-l1-2-0.dll
%TEMP%\49493ab0\api-ms-win-core-sysinfo-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-timezone-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-util-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-conio-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-convert-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-environment-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-filesystem-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-heap-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-locale-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-multibyte-l1-1-0.dll
%TEMP%\49493ab0\ucrtbase.dll
%TEMP%\49493ab0\api-ms-win-crt-private-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-process-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-runtime-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-stdio-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-string-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-time-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-utility-l1-1-0.dll
%TEMP%\49493ab0\freebl3.dll
%TEMP%\49493ab0\mozglue.dll
%TEMP%\49493ab0\msvcp140.dll
%TEMP%\49493ab0\nss3.dll
%TEMP%\49493ab0\nssdbm3.dll
%TEMP%\49493ab0\softokn3.dll
%TEMP%\49493ab0\api-ms-win-core-profile-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-crt-math-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-processthreads-l1-1-1.dll
%TEMP%\11176562124584322417321.tmp
%TEMP%\11148126041430058829757.tmp
%TEMP%\11174213916745718935025.tmp
%TEMP%\1117421268135329694637.tmp
%TEMP%\11175002550861617615341.tmp-shm
%TEMP%\11175002550861617615341.tmp
%TEMP%\1117546910067488563854.tmp
%TEMP%\1117562625440124884661.tmp
%TEMP%\11175621679250904830.tmp
%TEMP%\11175788640368861336880.tmp
%TEMP%\1117593932814303162164.tmp
%TEMP%\11176099116977592353846.tmp
%TEMP%\11176404961403347397731.tmp
%TEMP%\11176562124584322417321.tmp-shm
%TEMP%\49493ab0\api-ms-win-core-console-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-processenvironment-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-datetime-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-debug-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-errorhandling-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-file-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-file-l1-2-0.dll
%TEMP%\49493ab0\api-ms-win-core-file-l2-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-handle-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-heap-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-interlocked-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-libraryloader-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-localization-l1-2-0.dll
%TEMP%\49493ab0\api-ms-win-core-memory-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-namedpipe-l1-1-0.dll
%TEMP%\49493ab0\api-ms-win-core-processthreads-l1-1-0.dll
%TEMP%\49493ab0\vcruntime140.dll

Deletes itself.

Network activity

Connects to

'ip###ger.org':80

TCP

HTTP GET requests

http://re###scow.info/tmp/reg.exe
http://yi#.su/1qfmq7
http://www.microsoft.com/pki/certs/MicRooCerAut_2010-06-23.crt

HTTP POST requests

http://st####rtjuke.info/api/index.php

'yi#.su':443

UDP

DNS ASK st####rtjuke.info
DNS ASK re###scow.info
DNS ASK yi#.su
DNS ASK ip###ger.org

Miscellaneous

Searches for the following windows

ClassName: '18467-41' WindowName: ''
ClassName: 'AutoHotkey' WindowName: '%TEMP%\reg.exe'

Creates and executes the following

'%TEMP%\reg.exe'
'%WINDIR%\syswow64\cmd.exe' /c <SYSTEM32>\timeout.exe 3 & del "<File name>.exe"' (with hidden window)

Executes the following

'%WINDIR%\syswow64\rundll32.exe' <SYSTEM32>\shell32.dll,OpenAs_RunDLL %TEMP%\1qfmq7
'%WINDIR%\syswow64\cmd.exe' /c <SYSTEM32>\timeout.exe 3 & del "<File name>.exe"
'%WINDIR%\syswow64\timeout.exe' 3

技术

术语

教育培训

误区

Technical Information

Curing recommendations

Free trial