General

  • Target
    main.exe
  • Size 83.9MB
  • Sample260703-vvmfkac15s
  • SHA256 53f4cb88f4769f076a0f2f4be9f7431b8185308d9ed2012a78361c1fe872ef01
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Targets

    • Target
      main.exe
    • Size 83.9MB
    • SHA256 53f4cb88f4769f076a0f2f4be9f7431b8185308d9ed2012a78361c1fe872ef01
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Drops file in Drivers directory

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Adds Run key to start application

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Checks whether UAC is enabled

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Contacts third-party web service commonly abused for C2

      Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

    • Creates a large amount of network flows

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

    • Indicator Removal: File Deletion

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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Network Share Discovery

      Attempt to gather information on host network.

    • Writes to the Master Boot Record (MBR)

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

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks