User tags

Assigned on submission by the user, not by sandbox detections.

source:malwarebazaar sha256:81c1f77ece485fabe20ad50bb08529410afd2102cc8012798cf381d75dc31186

General

  • Target
    81c1f77ece485fabe20ad50bb08529410afd2102cc8012798cf381d75dc31186.zip
  • Size 5.2MB
  • Sample260822-vl57baff66
  • SHA256 fbf71cd375964710de5f43056dd398b7a7c89537439de1beaf92562e48f29027
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    138.201.132.148

  • Port

    21

  • Username

    anonymous

Targets

    • Target
      81c1f77ece485fabe20ad50bb08529410afd2102cc8012798cf381d75dc31186.exe
    • Size 5.4MB
    • SHA256 81c1f77ece485fabe20ad50bb08529410afd2102cc8012798cf381d75dc31186
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Creates a file in the Startup directory

      A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

    • Creates a large amount of network flows

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

    • Looks up external IP address via web service

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

    • Hide Artifacts: Hidden Files and Directories

MITRE ATT&CK Enterprise v16

Tasks