Overview

overview

9

Static

static

1

b9b4fb770f...6a8.js

windows7-x64

3

b9b4fb770f...6a8.js

windows10-2004-x64

9

Sharing

Copy URL Twitter E-mail

General

  • Target
    b9b4fb770fdb055d474f1a54886bdc380c22afa777a3a0aeaf42a04dcb6a56a8.js
  • Size 1.8MB
  • Sample240507-b2x14aff24
  • SHA256 b9b4fb770fdb055d474f1a54886bdc380c22afa777a3a0aeaf42a04dcb6a56a8
  • MD5 SHA1 SHA512 SSDEEP
Score
9/10
agilenetexecutionpersistence

Malware Config

Targets

    • Target
      b9b4fb770fdb055d474f1a54886bdc380c22afa777a3a0aeaf42a04dcb6a56a8.js
    • Size 1.8MB
    • SHA256 b9b4fb770fdb055d474f1a54886bdc380c22afa777a3a0aeaf42a04dcb6a56a8
    • MD5 SHA1 SHA512 SSDEEP
    Score
    9/10
    executionagilenetpersistence

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects executables packed with Agile.NET / CliSecure

    • Detects executables packed with ConfuserEx Mod

    • Blocklisted process makes network request

    • Checks computer location settings

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

    • Obfuscated with Agile.Net obfuscator

      Detects use of the Agile.Net commercial obfuscator, which is capable of entity renaming and control flow obfuscation.

      agilenet

    • Adds Run key to start application

      persistence

    • Legitimate hosting services abused for malware hosting/C2

    • 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 v15

Tasks