General

  • Target

    SecuriteInfo.com.generic.ml.15285.30302

  • Size

    860KB

  • Sample

    210719-wdg57p4vcx

  • MD5

    d441af67a4a79bf18cc0be3920d355f2

  • SHA1

    06480acda01c24b0a6af47f8dbc1f284eb5babd3

  • SHA256

    7f100848ffb6fdc1e6747787b3fa3669a5fd4d7faa87d5b56c8d5470ab399d95

  • SHA512

    4ab44659a3b4a66d56893c71a9c4d29d823b73d2377829ad6aacafe92f6b3331a83cd3c55dadbb566a7ebd1b6568989c555bb1770ae4cd3d5b26aaccc30e350d

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.sempreviva.pet
  • Port:
    587
  • Username:
    dataoffice1@sempreviva.pet
  • Password:
    ACYPFpe9

Targets

    • Target

      SecuriteInfo.com.generic.ml.15285.30302

    • Size

      860KB

    • MD5

      d441af67a4a79bf18cc0be3920d355f2

    • SHA1

      06480acda01c24b0a6af47f8dbc1f284eb5babd3

    • SHA256

      7f100848ffb6fdc1e6747787b3fa3669a5fd4d7faa87d5b56c8d5470ab399d95

    • SHA512

      4ab44659a3b4a66d56893c71a9c4d29d823b73d2377829ad6aacafe92f6b3331a83cd3c55dadbb566a7ebd1b6568989c555bb1770ae4cd3d5b26aaccc30e350d

    • 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