General

  • Target

    Payment advice.exe

  • Size

    26KB

  • Sample

    210129-mm8e52rjje

  • MD5

    a6b0c18fb26a8c6eed21a2ceadb3bcb6

  • SHA1

    8b419602ffe57720dde8617b9061f6876c8835a1

  • SHA256

    41fc81a9ebcb9f6405555db22b71ca764939d1dbcf113e446418e3cb6d394184

  • SHA512

    ed0bdfe0a0053ac02b40952af9a4bd63f5d3b5a5684e3a0c26d6f77c83c5d365f7a9b2e8ca3fe69e11c6dd84f51f3e0961ccdffcf62ed27e95915d8c63834f2e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tpcdel.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    EmlP@2018

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.tpcdel.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    EmlP@2018

Targets

    • Target

      Payment advice.exe

    • Size

      26KB

    • MD5

      a6b0c18fb26a8c6eed21a2ceadb3bcb6

    • SHA1

      8b419602ffe57720dde8617b9061f6876c8835a1

    • SHA256

      41fc81a9ebcb9f6405555db22b71ca764939d1dbcf113e446418e3cb6d394184

    • SHA512

      ed0bdfe0a0053ac02b40952af9a4bd63f5d3b5a5684e3a0c26d6f77c83c5d365f7a9b2e8ca3fe69e11c6dd84f51f3e0961ccdffcf62ed27e95915d8c63834f2e

    • AgentTesla

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

    • AgentTesla Payload

    • 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

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Tasks