General

  • Target

    SOA.pdf'.rar

  • Size

    437KB

  • Sample

    210416-gxzzvhezxa

  • MD5

    9b044351559ae6c19db1d285564ec31a

  • SHA1

    f8c6bdfaa3f58e91de75c05c26eb95cabf9dc8e1

  • SHA256

    521258037d1804b28809ffa5a8d0d5581e814deb5a1ba111b47ec84ca26b4e59

  • SHA512

    ea845bcf6867514eaefcc9c6dfd1604874a0da94e93fb8dde16d2a394681df54e6e6c9f7211cf82c872a21faf89b395d1f1ab6c2cb0ac6b145c7527532566a22

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lallyautomobiles.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Welcome@2021

Targets

    • Target

      SOA.pdf'.exe

    • Size

      771KB

    • MD5

      603f42dcb85fbd19933316cf1b6bedd4

    • SHA1

      33c38e2625cb5f44fcc1c44beec75db09718ce10

    • SHA256

      276144fa4171733571ff6940ef10a3bb603028c99c51093d074f6cda0d65afda

    • SHA512

      14fe5a280a055355e2a11eda7fd1e36392a50632bd4779e9651a7f161dd6f4f10c2f150b977ed80a6bd88c542df0aec5a8c57193e9d80459b961f6343c0274d6

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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