General

  • Target
    27e17bc7efc2513c75ecc1d8dac97187ca4b3f6d6aa2113e814e66ea5d2cb696.doc
  • Size 124KB
  • Sample240923-v6kfcavdmn
  • SHA256 27e17bc7efc2513c75ecc1d8dac97187ca4b3f6d6aa2113e814e66ea5d2cb696
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Extracted

Language
  • ps1

Source
URLs
  • exe.dropper

    https://drive.google.com/uc?export=download&id=

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.desckvbrat.com.br

  • Port

    21

  • Username

    desckvbrat1

  • Password

    developerpro21578Jp@@

Extracted

Family
  • revengerat

Botnet
  • NyanCatRevenge

C2
  • marcelotatuape.ddns.net:333

Mutex
  • b25e533944db469

Targets

    • Target
      27e17bc7efc2513c75ecc1d8dac97187ca4b3f6d6aa2113e814e66ea5d2cb696.doc
    • Size 124KB
    • SHA256 27e17bc7efc2513c75ecc1d8dac97187ca4b3f6d6aa2113e814e66ea5d2cb696
    • MD5 SHA1 SHA512 SSDEEP
    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • RevengeRAT

      Remote-access trojan with a wide range of capabilities.

    • Blocklisted process makes network request

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Indicator Removal: File Deletion

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

    • Legitimate hosting services abused for malware hosting/C2

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks