General

  • Target

    f1049da8849c46cb525c5c5b7fec35a5f5d19b756722bf9258051de2444d6b86

  • Size

    1.2MB

  • Sample

    250116-p3672sskal

  • MD5

    ab472be576564aebd32002326c78d763

  • SHA1

    7d7dc9464d20fed353e67dbed4161205dad7d302

  • SHA256

    f1049da8849c46cb525c5c5b7fec35a5f5d19b756722bf9258051de2444d6b86

  • SHA512

    971eea851cc87bafa7685a2bbc55619b74cc42e3b29d6da92287a22a95185271c691585e383b52216f49568bf60093139601cc7c1581e3a9edaa47a0604f93ec

  • SSDEEP

    24576:ob/bfBifTb94zEdatD5r7VHNIJV8iyjN1lcr/N5HoN7QUMm:INifN4YcZ5PVHNIJVv41l4KN7QUMm

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dod
  • Password:
    Doll900@@

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://s4.serv00.com
  • Port:
    21
  • Username:
    f2241_dod
  • Password:
    Doll900@@

Targets

    • Target

      BL2037276670/BL2037276670.scr

    • Size

      1.4MB

    • MD5

      049f7f0e1c6c775baf0befec50ba65ea

    • SHA1

      30600fafe3af94a79c9a75711d3cbacd13ce44b3

    • SHA256

      2ad8a2171a97882062d7a344904ee2b6a36d98f8d28b1f765476d13bf8518c1c

    • SHA512

      9bacc899b52f95e54e34f54b90656144f864f95cb94579e5ba5bcb14910423a8010b0d12a8adf913958ca475d82c0cc18b6d4745b434b90a405cdcf9be177cd8

    • SSDEEP

      24576:XF0rdJ59y/uFYHDRr7/HNiJV8ey7NFlurHN5rQJ7Oy:wRy2CjRP/HNiJVhQFl4uJ7Oy

    • AgentTesla

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

    • Agenttesla family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • 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.

    • Adds Run key to start application

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks