General

  • Target

    Nuovo ordine .zip

  • Size

    514KB

  • Sample

    210719-rn7xkemsva

  • MD5

    12f91295b63310efc5458a93edccad6e

  • SHA1

    28fc6d5444fa3ed8bc9f2978a345f7bb03a6f8b4

  • SHA256

    188b9ba067cd7ce1f5bc1798f838ba2887292a0afbfcc2ce708923f2a443adb3

  • SHA512

    653544028c72255baf44fdc3bf57b0f2b8df38ef210ec7a3127df2809827373a359b14c9795a2987b7330b465cb3f13a515dafdbad7dec821bad0027f959f2ee

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.alruomigroup.com
  • Port:
    587
  • Username:
    eepauloffice@alruomigroup.com
  • Password:
    HpabZXh7

Targets

    • Target

      Nuovo ordine .exe

    • Size

      847KB

    • MD5

      c59677e174a469869400d73ef00bb6e3

    • SHA1

      c5dd150a844d4f51c18629948def7e7cb6c1452d

    • SHA256

      dc2768ccfc25f2dc8a57db7a9c9ddd4532fc6044ffd9419c96cdf6e0251e7823

    • SHA512

      52009a1cf4f97826ee86e8b48b79f62be2929ad871037cc34fb6dff7a7b37b75c513136b0d385256bbada7722721f7cf3e4024b442494f9aceca850ce26db6cb

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • Obfuscated with Agile.Net obfuscator

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

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks