Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKLM>\SOFTWARE\Microsoft\Windows\CurrentVersion\Run] 'Driver Offline Upgrade Remote Cryptographic' = '<SYSTEM32>\yfzryqgfbl.exe'
Creates the following services:
- [<HKLM>\SYSTEM\ControlSet001\Services\Fax BitLocker TP Tracking Builder] 'ImagePath' = '<SYSTEM32>\yfzryqgfbl.exe'
- [<HKLM>\SYSTEM\ControlSet001\Services\Fax BitLocker TP Tracking Builder] 'Start' = '00000002'
Malicious functions:
To complicate detection of its presence in the operating system,
blocks the following features:
- Windows Security Center
Creates and executes the following:
- '<SYSTEM32>\qhrcxocc.exe' "<SYSTEM32>\yfzryqgfbl.exe"
- '%WINDIR%\Temp\osfylhds6e1zygus2.exe' -r 46140 tcp
- '%TEMP%\osfylhd1m2xacgus2zhcuzbv.exe'
- '<SYSTEM32>\yfzryqgfbl.exe'
Modifies file system:
Creates the following files:
- <SYSTEM32>\uhhesszfahmrod\run
- <SYSTEM32>\uhhesszfahmrod\rng
- %WINDIR%\Temp\osfylhds6e1zygus2.exe
- <SYSTEM32>\uhhesszfahmrod\cfg
- %TEMP%\osfylhd1m2xacgus2zhcuzbv.exe
- <SYSTEM32>\uhhesszfahmrod\tst
- <SYSTEM32>\qhrcxocc.exe
- <SYSTEM32>\yfzryqgfbl.exe
Sets the 'hidden' attribute to the following files:
- <SYSTEM32>\qhrcxocc.exe
- <SYSTEM32>\yfzryqgfbl.exe
Deletes the following files:
- %WINDIR%\Temp\osfylhds6e1zygus2.exe
- %TEMP%\osfylhd1m2xacgus2zhcuzbv.exe
Network activity:
Connects to:
- 'me###njoy.net':80
- 'si###orld.net':80
- 'si###njoy.net':80
- 'si###ctover.net':80
- 'me###ctover.net':80
- 'mo###ctover.net':80
- 'su####octover.net':80
- 'su###yhorse.net':80
- 'me###orld.net':80
- 'mo###orse.net':80
- 'me###orse.net':80
- 'da###ctover.net':80
- 'cl####ctover.net':80
- 'cl###horse.net':80
- 'kn###tood.net':80
- 'da###orse.net':80
- 'cl###world.net':80
- 'si###orse.net':80
- 'da###orld.net':80
- 'da###njoy.net':80
- 'cl###enjoy.net':80
- 'ch####nother.net':80
- 'mo####gduring.net':80
- 'gw#####ynhuddleston.net':80
- 'ri###nstorm.net':80
- 'of####urprise.net':80
- 'jo####ymeasure.net':80
- 'or###thrown.net':80
- 'de####promise.net':80
- 'si######edwerryhouse.net':80
- 'se####strong.net':80
- 'ef###tbuilt.net':80
- 'su###yworld.net':80
- 'th###orse.net':80
- 'mo###orld.net':80
- 'mo###njoy.net':80
- 'su###yenjoy.net':80
- 'th###njoy.net':80
- 'th###while.net':80
- 'qu####ctover.net':80
- 'qu###horse.net':80
- 'th###ctover.net':80
TCP:
HTTP GET requests:
- http://me###njoy.net/index.php
- http://si###orld.net/index.php
- http://si###njoy.net/index.php
- http://si###ctover.net/index.php
- http://me###ctover.net/index.php
- http://mo###ctover.net/index.php
- http://su####octover.net/index.php
- http://su###yhorse.net/index.php
- http://me###orld.net/index.php
- http://mo###orse.net/index.php
- http://me###orse.net/index.php
- http://da###ctover.net/index.php
- http://cl####ctover.net/index.php
- http://cl###horse.net/index.php
- http://kn###tood.net/index.php
- http://da###orse.net/index.php
- http://cl###world.net/index.php
- http://si###orse.net/index.php
- http://da###orld.net/index.php
- http://da###njoy.net/index.php
- http://cl###enjoy.net/index.php
- http://ch####nother.net/index.php
- http://mo####gduring.net/index.php
- http://gw#####ynhuddleston.net/index.php
- http://ri###nstorm.net/index.php
- http://of####urprise.net/index.php
- http://jo####ymeasure.net/index.php
- http://or###thrown.net/index.php
- http://de####promise.net/index.php
- http://si######edwerryhouse.net/index.php
- http://se####strong.net/index.php
- http://ef###tbuilt.net/index.php
- http://su###yworld.net/index.php
- http://th###orse.net/index.php
- http://mo###orld.net/index.php
- http://mo###njoy.net/index.php
- http://su###yenjoy.net/index.php
- http://th###njoy.net/index.php
- http://th###while.net/index.php
- http://qu####ctover.net/index.php
- http://qu###horse.net/index.php
- http://th###ctover.net/index.php
UDP:
- DNS ASK si###njoy.net
- DNS ASK me###njoy.net
- DNS ASK me###ctover.net
- DNS ASK me###orse.net
- DNS ASK si###ctover.net
- DNS ASK si###orld.net
- DNS ASK mo###ctover.net
- DNS ASK su####octover.net
- DNS ASK su###yhorse.net
- DNS ASK me###orld.net
- DNS ASK mo###orse.net
- DNS ASK cl###horse.net
- DNS ASK da###ctover.net
- DNS ASK da###orse.net
- DNS ASK ab###tood.net
- DNS ASK kn###tood.net
- DNS ASK cl####ctover.net
- DNS ASK cl###world.net
- DNS ASK si###orse.net
- DNS ASK da###orld.net
- DNS ASK da###njoy.net
- DNS ASK cl###enjoy.net
- DNS ASK ch####nother.net
- DNS ASK mo####gduring.net
- DNS ASK gw#####ynhuddleston.net
- DNS ASK ri###nstorm.net
- DNS ASK of####urprise.net
- DNS ASK jo####ymeasure.net
- DNS ASK or###thrown.net
- DNS ASK de####promise.net
- DNS ASK si######edwerryhouse.net
- DNS ASK se####strong.net
- DNS ASK ef###tbuilt.net
- DNS ASK su###yworld.net
- DNS ASK th###orse.net
- DNS ASK mo###orld.net
- DNS ASK mo###njoy.net
- DNS ASK su###yenjoy.net
- DNS ASK th###njoy.net
- DNS ASK th###while.net
- DNS ASK qu####ctover.net
- DNS ASK qu###horse.net
- DNS ASK th###ctover.net
- '23#.#55.255.250':1900
