General

  • Target

    Vergi makbuzu_00012299201101_20_10_2021.exe

  • Size

    820KB

  • Sample

    211020-j81pkahgan

  • MD5

    88eb10863f66d6530a67f570aea2f5f8

  • SHA1

    b479a0e3baf9e2b6e2f2a4b0f8fa69bb38493af1

  • SHA256

    3376d4ab8e5abf886effa831bca38c19fa3d14648fe36588292ff6e5661c820a

  • SHA512

    540ee4ccf4247f71a64348ce3d2f705a2cd8bed5434a389bdc60011d7ff76f19a2120e9fb9d8e9ec9e01315b833b2c8a40d4d5ff6c22e895efac53f9dfadfaa9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.acpl.net.in
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Hi~M)?*G~-Zd

Targets

    • Target

      Vergi makbuzu_00012299201101_20_10_2021.exe

    • Size

      820KB

    • MD5

      88eb10863f66d6530a67f570aea2f5f8

    • SHA1

      b479a0e3baf9e2b6e2f2a4b0f8fa69bb38493af1

    • SHA256

      3376d4ab8e5abf886effa831bca38c19fa3d14648fe36588292ff6e5661c820a

    • SHA512

      540ee4ccf4247f71a64348ce3d2f705a2cd8bed5434a389bdc60011d7ff76f19a2120e9fb9d8e9ec9e01315b833b2c8a40d4d5ff6c22e895efac53f9dfadfaa9

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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 Enterprise v6

Tasks