General

  • Target

    dd634978dddca325b16ad844dfdaca7b_JaffaCakes118

  • Size

    379KB

  • Sample

    240913-blhlgawfng

  • MD5

    dd634978dddca325b16ad844dfdaca7b

  • SHA1

    d09c2d4945bd78a30b7376aceb8662d396980e19

  • SHA256

    02cacd6026e8ad2157e15edd10b12b2b4a76762104a6551cfd861ae302ccaf8f

  • SHA512

    e28c3b6bb7951944505fce6647813fe971544e3007079018f5a130a5ea8660e1180f8a9f08b7c03b47ed0d81c27bfdb99eb333a6e9a540c05f40d9ca16b6a8a5

  • SSDEEP

    6144:TVn8Y/2+3x5spUN1yY0zyZSTioqn9onD4Epv:T58WhWmNEYOyxx9onD4Eh

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.es
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    elsecreto2019

Targets

    • Target

      dd634978dddca325b16ad844dfdaca7b_JaffaCakes118

    • Size

      379KB

    • MD5

      dd634978dddca325b16ad844dfdaca7b

    • SHA1

      d09c2d4945bd78a30b7376aceb8662d396980e19

    • SHA256

      02cacd6026e8ad2157e15edd10b12b2b4a76762104a6551cfd861ae302ccaf8f

    • SHA512

      e28c3b6bb7951944505fce6647813fe971544e3007079018f5a130a5ea8660e1180f8a9f08b7c03b47ed0d81c27bfdb99eb333a6e9a540c05f40d9ca16b6a8a5

    • SSDEEP

      6144:TVn8Y/2+3x5spUN1yY0zyZSTioqn9onD4Epv:T58WhWmNEYOyxx9onD4Eh

    • AgentTesla

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

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • System Binary Proxy Execution: InstallUtil

      Abuse InstallUtil to proxy execution of malicious code.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks