General

  • Target
    new.exe
  • Size 253KB
  • Sample260705-nyk9cacs2w
  • SHA256 947af9aaf060990af6481db8d265fa739c21a9edeae56bd5281807c7792e0e09
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      new.exe
    • Size 253KB
    • SHA256 947af9aaf060990af6481db8d265fa739c21a9edeae56bd5281807c7792e0e09
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Creates a large amount of network flows

      This may indicate a network scan to discover remotely running services.

    • Renames multiple (204) files with added filename extension

      This suggests ransomware activity of encrypting all the files on the system.

    • Credentials from Password Stores: Windows Credential Manager

      Suspicious access to Credentials History.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Unexpected DNS network traffic destination

      Network traffic to other servers than the configured DNS servers was detected on the DNS port.

    • Adds Run key to start application

    • Drops desktop.ini file(s)

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Modifies boot configuration data using bcdedit

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops autorun.inf file

      Malware can abuse Windows Autorun to spread further via attached volumes.

    • Drops file in System32 directory

    • Sets desktop wallpaper using registry

MITRE ATT&CK Enterprise v16

Tasks