5033eee2...473f | VTI
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VTI SCORE: 93/100
Dynamic Analysis Report
Classification: Riskware, Trojan, Ransomware

5033eee2021d3fb2512550cfafe62b39ae232e4815fc78c976d1a2f9f656473f (SHA256)

asdfc4.exe

Windows Exe (x86-32)

Created at 2018-08-28 18:43:00

Notifications (2/3)

Some extracted files may be missing in the report since the maximum number of extracted files was reached during the analysis. You can increase the limit in the configuration settings.

The maximum number of reputation file hash requests (20 per analysis) was exceeded. As a result, the reputation status could not be queried for all file hashes. In order to get the reputation status for all file hashes, please increase the 'Max File Hash Requests' setting in the system configurations.

The operating system was rebooted during the analysis.

Severity Category Operation Classification
4/5
File System Renames user files Ransomware
  • Renames multiple user files. This is an indicator for an encryption attempt.
4/5
File System Modifies content of user files Ransomware
  • Modifies the content of multiple user files. This is an indicator for an encryption attempt.
4/5
File System Known malicious file Trojan
  • File "C:\Users\CIiHmnxMn6Ps\Desktop\asdfc4.exe" is a known malicious file.
2/5
Anti Analysis Resolves APIs dynamically to possibly evade static detection -
1/5
Process Creates system object -
1/5
Masquerade Changes folder appearance Riskware
  • Folder "c:\users\ciihmnxmn6ps\appdata\local\microsoft\windows\application shortcuts" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\local\microsoft\windows\burn\burn" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\local\microsoft\windows\burn\burn1" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\local\microsoft\windows\history" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\local\microsoft\windows\winx\group1" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\local\microsoft\windows\winx\group2" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\local\microsoft\windows\winx\group3" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\roaming\microsoft\internet explorer\quick launch" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\roaming\microsoft\internet explorer\quick launch\user pinned\taskbar" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\roaming\microsoft\windows\accountpictures" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\roaming\microsoft\windows\libraries" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\appdata\roaming\microsoft\windows\recent" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\desktop" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\documents" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\documents\my shapes" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\downloads" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\favorites" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\favorites\links" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\links" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\music" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\onedrive" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\pictures" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\pictures\camera roll" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\pictures\saved pictures" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\saved games" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\searches" has a changed appearance.
  • Folder "c:\users\ciihmnxmn6ps\videos" has a changed appearance.
1/5
Persistence Installs system startup script or application -
  • Adds "c:\users\ciihmnxmn6ps\appdata\roaming\microsoft\windows\start menu\programs\startup\desktop.ini.partially.cryptonar" to Windows startup folder.
  • Adds "c:\users\ciihmnxmn6ps\appdata\roaming\microsoft\windows\start menu\programs\startup\send to onenote.lnk.partially.cryptonar" to Windows startup folder.
  • Adds "C:\Users\CIiHmnxMn6Ps\Desktop\CryptoNarDecryptor.exe" to Windows startup via registry.
1/5
Network Performs DNS request -
1/5
File System Creates an unusually large number of files -
Function Logfile
Exit-Icon

This feature requires an online-connection to the VMRay backend.

An offline version with limited functionality is also provided.
The offline version is supported only in Mozilla Firefoxwith deactivated setting "security.fileuri.strict_origin_policy".


    
Before

This feature requires an online-connection to the VMRay backend.

An offline version with limited functionality is also provided.
The offline version is supported only in Mozilla Firefoxwith deactivated setting "security.fileuri.strict_origin_policy".


    
After

This feature requires an online-connection to the VMRay backend.

An offline version with limited functionality is also provided.
The offline version is supported only in Mozilla Firefoxwith deactivated setting "security.fileuri.strict_origin_policy".


    
Screenshot
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