Technical Information
To ensure autorun and distribution
Modifies the following registry keys
- [<HKCU>\Software\Microsoft\Windows\CurrentVersion\Run] 'Google Chrome' = '%HOMEPATH%\Documents\DCSCMIN\IMDCSC.exe'
- [<HKLM>\Software\Microsoft\Windows NT\CurrentVersion\Winlogon] 'UserInit' = '<SYSTEM32>\userinit.exe,%HOMEPATH%\Documents\DCSCMIN\IMDCSC.exe'
Malicious functions
Injects code into
the following user processes:
- imdcsc.exe
Searches for windows to
detect analytical utilities:
- ClassName: 'OLLYDBG', WindowName: ''
- ClassName: 'GBDYLLO', WindowName: ''
- ClassName: 'pediy06', WindowName: ''
- ClassName: 'FilemonClass', WindowName: ''
- ClassName: '', WindowName: 'File Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'PROCMON_WINDOW_CLASS', WindowName: ''
- ClassName: '', WindowName: 'Process Monitor - Sysinternals: www.sysinternals.com'
- ClassName: 'RegmonClass', WindowName: ''
- ClassName: '', WindowName: 'Registry Monitor - Sysinternals: www.sysinternals.com'
Modifies file system
Creates the following files
- %TEMP%\df8f8d.exe
- %TEMP%\eb8d8f.exe
- <Current directory>\df8f8d.dll
- <Current directory>\bin\kgbj1t3g.go
- <Current directory>\bin\kgbj1t3g.sa
- %HOMEPATH%\documents\dcscmin\imdcsc.exe
Network activity
Connects to
- 'li####k47.ddns.net':1604
UDP
- DNS ASK li####k47.ddns.net
Miscellaneous
Searches for the following windows
- ClassName: '18467-41' WindowName: ''
- ClassName: 'MS_WINHELP' WindowName: ''
Creates and executes the following
- '%TEMP%\df8f8d.exe'
- '%TEMP%\eb8d8f.exe'
- '<Current directory>\bin\kgbj1t3g.go'
- '%HOMEPATH%\documents\dcscmin\imdcsc.exe'
