General

  • Target

    f3b087907b571171ca9235a12c00d509_JaffaCakes118

  • Size

    499KB

  • Sample

    240924-p66qpaygpd

  • MD5

    f3b087907b571171ca9235a12c00d509

  • SHA1

    7061e830aa0ed2d5acb6f40076159b8628e06793

  • SHA256

    6f0a01a329fd07fd8b435ca1b6f3e69c7b32e11fa145681d85fa244e97a1c3ca

  • SHA512

    33a2d40f9592635ca9909c27f54c10e5cf5ef69d04f26ab392e831c1dfadf49feb895aa9ea8a24c16119ea051ae2ff3fb59746b1540c57c31139fd87cf2b36ce

  • SSDEEP

    12288:smbKMScP7tEGEA5RROFY/3b9KNF7DKL7po8b15:9JZ5egUTDmVvbT

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    PUBLIC12345.@!!@

Targets

    • Target

      Proforma Invoice.exe

    • Size

      708KB

    • MD5

      ce283c28a7441d2197b14faad7eccb38

    • SHA1

      805e2221564dda4603cb6975c1ac51cd50afa030

    • SHA256

      ba9c641828f465a988c43c858463602faadc4bc688b5b58d9a80bd25fd45a4d6

    • SHA512

      8d4659f08858799b2fc51d15887b562597c8cbc489bd5e44bf0dad1ff8ffbcfaa537b6a41b5150cca3e0792c5836574ac251ebe76741c60c7ba2858d08b79d5e

    • SSDEEP

      12288:AEGPYMScPFtEGTaxF+gIAtF5O0JwFK1ftPLAJu9douc7N:zGPdnXaKpsT2A257N

    • AgentTesla

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

    • AgentTesla payload

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks