General

  • Target

    ALIM-000900.exe

  • Size

    505KB

  • Sample

    201109-77a1pte9kx

  • MD5

    a0a0c7cd353271d7615dc543fe6905fe

  • SHA1

    b89fc7ea6f14200ad1cd3988c884ce817e17fade

  • SHA256

    34fc29ec3e0cf03857148f125024141af690ef27e224fc0cd5aa9a45aae7e1f4

  • SHA512

    a1df6a7fcc9aa997ff4c9b125c0f899f2429f178893bfcac2001c44fb9965ebd0481498acf0e1eaebe46e01b2824b47cadd6491c65e403cc2b3915e8c1da2059

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ionos.mx
  • Port:
    587
  • Username:
    lety@solar-pro.mx
  • Password:
    lp475869

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.ionos.mx
  • Port:
    587
  • Username:
    lety@solar-pro.mx
  • Password:
    lp475869

Targets

    • Target

      ALIM-000900.exe

    • Size

      505KB

    • MD5

      a0a0c7cd353271d7615dc543fe6905fe

    • SHA1

      b89fc7ea6f14200ad1cd3988c884ce817e17fade

    • SHA256

      34fc29ec3e0cf03857148f125024141af690ef27e224fc0cd5aa9a45aae7e1f4

    • SHA512

      a1df6a7fcc9aa997ff4c9b125c0f899f2429f178893bfcac2001c44fb9965ebd0481498acf0e1eaebe46e01b2824b47cadd6491c65e403cc2b3915e8c1da2059

    • AgentTesla

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

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • AgentTesla Payload

    • rezer0

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks