Overview

overview

10

Static

static

ef883b1302...34.exe

windows7_x64

10

ef883b1302...34.exe

windows10_x64

10

Sharing

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General

  • Target
    ef883b1302fd39664bf7ef489ddac6ae0a4e09be8f46d5c975a127174d0d9c34
  • Size 697KB
  • Sample210929-jpac9secen
  • SHA256 ef883b1302fd39664bf7ef489ddac6ae0a4e09be8f46d5c975a127174d0d9c34
  • MD5 SHA1 SHA512
Score
10/10
djvudiscoverypersistenceransomwaresuricata

Malware Config

Targets

    • Target
      ef883b1302fd39664bf7ef489ddac6ae0a4e09be8f46d5c975a127174d0d9c34
    • Size 697KB
    • SHA256 ef883b1302fd39664bf7ef489ddac6ae0a4e09be8f46d5c975a127174d0d9c34
    • MD5 SHA1 SHA512
    Score
    10/10
    djvudiscoverypersistenceransomwaresuricata

    • Detected Djvu ransomware

    • Djvu Ransomware

      Ransomware which is a variant of the STOP family.

      ransomwaredjvu

    • suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata: ET MALWARE Potential Dridex.Maldoc Minimal Executable Request

      suricata

    • Modifies file permissions

      discovery

    • Adds Run key to start application

      persistence

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

    behavioral1behavioral2

MITRE ATT&CK Enterprise v6

Tasks