General

  • Target

    Salary_receipt.exe

  • Size

    1.0MB

  • Sample

    240625-qfg53s1hmf

  • MD5

    4498fc10d2ffdda73a5694e683772fad

  • SHA1

    5f73d09ae6bf7c644026312d540f84e9357e23b3

  • SHA256

    b8ccca04a11cc7e02c251f6d96067ec003881b5b1ed5e38875b4afe9e83a571e

  • SHA512

    402b0931058fa090d672e8c5ba386bbc3f1e5a244c747650755a50fa73a8a68552826b59fa72580cf00582b6506ea8d2c1e73500930d66a7108efb63cacfcd38

  • SSDEEP

    24576:kVWKhMarfd8arebfAYwbW6o7Y48yvj0mtoSrR7exP:G5rbYaoAyvXtoQ7exP

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.manjeetsteelproductions.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    CHIMAEZE12$

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.manjeetsteelproductions.com
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    CHIMAEZE12$

Targets

    • Target

      Salary_receipt.exe

    • Size

      1.0MB

    • MD5

      4498fc10d2ffdda73a5694e683772fad

    • SHA1

      5f73d09ae6bf7c644026312d540f84e9357e23b3

    • SHA256

      b8ccca04a11cc7e02c251f6d96067ec003881b5b1ed5e38875b4afe9e83a571e

    • SHA512

      402b0931058fa090d672e8c5ba386bbc3f1e5a244c747650755a50fa73a8a68552826b59fa72580cf00582b6506ea8d2c1e73500930d66a7108efb63cacfcd38

    • SSDEEP

      24576:kVWKhMarfd8arebfAYwbW6o7Y48yvj0mtoSrR7exP:G5rbYaoAyvXtoQ7exP

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell and hide display window.

    • 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.

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Suspicious use of NtCreateThreadExHideFromDebugger

    • Suspicious use of NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks