General

  • Target

    d4996cbfebc931df1511b6daa6f51d5623a41fd275b4022b99de34f23c1bd461

  • Size

    1.2MB

  • Sample

    241105-bt1r1s1kc1

  • MD5

    156fd655d4aa8b31311d089401226a42

  • SHA1

    319ffb454a5dec4fb59fca008171f38a808a8291

  • SHA256

    d4996cbfebc931df1511b6daa6f51d5623a41fd275b4022b99de34f23c1bd461

  • SHA512

    7dfb1815df7338142ca2c9d3873086f3e36206090b2197ac863c5c18e9dcceca160c8724fa84bbf5e8adc42e9b34d7c5877a1e7b783a8dce9185fc335fb73214

  • SSDEEP

    24576:Kg60JY2tAtZNMaMIcqyPl1Q9AXUY/jIU:Kg6PtMdtm9AXHjIU

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    s82.gocheapweb.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    london@1759

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      d4996cbfebc931df1511b6daa6f51d5623a41fd275b4022b99de34f23c1bd461

    • Size

      1.2MB

    • MD5

      156fd655d4aa8b31311d089401226a42

    • SHA1

      319ffb454a5dec4fb59fca008171f38a808a8291

    • SHA256

      d4996cbfebc931df1511b6daa6f51d5623a41fd275b4022b99de34f23c1bd461

    • SHA512

      7dfb1815df7338142ca2c9d3873086f3e36206090b2197ac863c5c18e9dcceca160c8724fa84bbf5e8adc42e9b34d7c5877a1e7b783a8dce9185fc335fb73214

    • SSDEEP

      24576:Kg60JY2tAtZNMaMIcqyPl1Q9AXUY/jIU:Kg6PtMdtm9AXHjIU

    • AgentTesla

      Agent Tesla is a remote access tool (RAT) written in visual basic.

    • Agenttesla family

    • Detect Xworm Payload

    • Xworm

      Xworm is a remote access trojan written in C#.

    • Xworm family

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • Reads data files stored by FTP clients

      Tries to access configuration files associated with programs like FileZilla.

    • Reads user/profile data of local email clients

      Email clients store some user data on disk where infostealers will often target it.

    • Reads user/profile data of web browsers

      Infostealers often target stored browser data, which can include saved credentials etc.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Looks up external IP address via web service

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

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks