General

  • Target

    a867bf2ac0805f9542092208284b3eb22fc9d2a73f90d08cdcabc794592cc578

  • Size

    742KB

  • Sample

    211108-nhw1xabhd3

  • MD5

    9dcb608ed0cf8fcf1bf1b88b62b72b40

  • SHA1

    adfa1855a0968d6db3463810cf9aa3b41ae470f3

  • SHA256

    a867bf2ac0805f9542092208284b3eb22fc9d2a73f90d08cdcabc794592cc578

  • SHA512

    96b51b503a6261e66f41a547c9c7082561d8fcae2871d084fb6473ae57f3f4aa206ae12eb69cfe13818a860d2beac5b4f123928017002b28404123861e054a60

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    phantom1248@yandex.com
  • Password:
    newbeginning

Targets

    • Target

      a867bf2ac0805f9542092208284b3eb22fc9d2a73f90d08cdcabc794592cc578

    • Size

      742KB

    • MD5

      9dcb608ed0cf8fcf1bf1b88b62b72b40

    • SHA1

      adfa1855a0968d6db3463810cf9aa3b41ae470f3

    • SHA256

      a867bf2ac0805f9542092208284b3eb22fc9d2a73f90d08cdcabc794592cc578

    • SHA512

      96b51b503a6261e66f41a547c9c7082561d8fcae2871d084fb6473ae57f3f4aa206ae12eb69cfe13818a860d2beac5b4f123928017002b28404123861e054a60

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks