Technical Information
To ensure autorun and distribution:
Modifies the following registry keys:
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaiekoz' = '%HOMEPATH%\vaiekoz.exe /s'
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'vaiekoz' = '%HOMEPATH%\vaiekoz.exe /m'
Malicious functions:
To complicate detection of its presence in the operating system,
forces the system hide from view:
- hidden files
Creates and executes the following:
- '%HOMEPATH%\vaiekoz.exe'
Executes the following:
- '<SYSTEM32>\route.exe' add 95.211.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 195.122.128.0/18 0.0.0.0
- '<SYSTEM32>\route.exe' add 77.234.40.0/24 0.0.0.0
- '<SYSTEM32>\route.exe' add 46.4.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 67.15.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 161.69.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 58.27.64.0/18 0.0.0.0
- '<SYSTEM32>\route.exe' add 62.128.100.0/23 0.0.0.0
- '<SYSTEM32>\route.exe' add 85.12.0.0/18 0.0.0.0
- '<SYSTEM32>\route.exe' add 195.27.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 72.32.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 157.54.0.0/15 0.0.0.0
- '<SYSTEM32>\route.exe' add 216.239.32.0/19 0.0.0.0
- '<SYSTEM32>\route.exe' add 157.60.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 65.52.0.0/14 0.0.0.0
- '<SYSTEM32>\route.exe' add 157.56.0.0/14 0.0.0.0
- '<SYSTEM32>\route.exe' add 91.228.166.0/24 0.0.0.0
- '<SYSTEM32>\route.exe' add 91.228.167.0/24 0.0.0.0
- '<SYSTEM32>\route.exe' add 91.228.165.0/24 0.0.0.0
- '<SYSTEM32>\route.exe' add 74.125.0.0/16 0.0.0.0
- '<SYSTEM32>\route.exe' add 91.228.164.0/24 0.0.0.0
Modifies file system :
Creates the following files:
- %HOMEPATH%\RCX3.tmp
- %HOMEPATH%\RCX2.tmp
- %HOMEPATH%\4.exe
- %HOMEPATH%\RCX5.tmp
- %HOMEPATH%\RCX4.tmp
- %HOMEPATH%\1.exe
- %HOMEPATH%\vaiekoz.exe
- %HOMEPATH%\2.exe
- %HOMEPATH%\3.exe
- %HOMEPATH%\RCX1.tmp
Sets the 'hidden' attribute to the following files:
- %HOMEPATH%\vaiekoz.exe
Deletes the following files:
- %HOMEPATH%\4.exe
- %HOMEPATH%\3.exe
- %HOMEPATH%\2.exe
Moves the following files:
- from %HOMEPATH%\RCX3.tmp to %HOMEPATH%\3.exe
- from %HOMEPATH%\RCX4.tmp to %HOMEPATH%\4.exe
- from %HOMEPATH%\RCX1.tmp to %HOMEPATH%\2.exe
- from %HOMEPATH%\RCX2.tmp to %HOMEPATH%\3.exe
Network activity:
Connects to:
- 'ns#.#nsfor2.com':7004
- 'ns#.#nsfor.net':7004
- 'ns#.#nsfor1.net':7004
- 'ns#.#nsfor0.com':7004
- 'ns#.#nsfor1.com':7004
UDP:
- DNS ASK ns#.#nsfor1.org
- DNS ASK ns#.#nsfor2.com
- DNS ASK ns#.#nsfor.net
- DNS ASK ns#.#nsfor0.com
- DNS ASK ns#.#nsfor1.com
- DNS ASK ns#.#nsfor1.net
Miscellaneous:
Searches for the following windows:
- ClassName: 'Indicator' WindowName: '(null)'
