General

  • Target
    file.exe
  • Size 277KB
  • Sample261016-dvb66a1t5n
  • SHA256 b1cc5ad78b72d2f0a94d370e840e24ea38a31690ece3af851da345975da7ca5c
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • violetworm

C2
  • 38.180.236.154:700

Attributes
  • build_id

    a25ede43f76413baa0dd21d7a01afdbd94b48c335854de3e3346d6e751297990

  • splitter

    <Violet>

aes.plain

Targets

    • Target
      file.exe
    • Size 277KB
    • SHA256 b1cc5ad78b72d2f0a94d370e840e24ea38a31690ece3af851da345975da7ca5c
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Family: VioletWorm

      VioletWorm is a Windows worm written in C#.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies Windows Defender TamperProtection settings

    • Modifies Windows Defender notification settings

    • Detected Nirsoft tools

      Free utilities often used by attackers which can steal passwords, product keys, etc.

    • 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 a file named after a Windows system binary

      The file runs from a user directory while carrying the name of an executable that normally only exists in System32.

    • Executes dropped EXE

    • Adds Run key to start application

    • Modifies Security services

      Modifies the startup behavior of a security service.

    • Drops file in System32 directory

MITRE ATT&CK Enterprise v16

Tasks