General

  • Target

    8443db8f13ee9852c43c33605e22104d3ea320276f2affff0534627076c52976

  • Size

    587KB

  • Sample

    231211-b9jtfabbb7

  • MD5

    ce62a9d0c996178c2ac6a7b9a652257e

  • SHA1

    a8b4df6d25572780e70d10f64a5f7cda95180bd4

  • SHA256

    8443db8f13ee9852c43c33605e22104d3ea320276f2affff0534627076c52976

  • SHA512

    a9cebf2750e1da9cae45825212c2189fe25cb6194c0b2ca564185f44514ba71f01adc9e6181acd56c8b355e2ebe6f0d34a133fed9e7af1b8f7fa3ba88a8d0520

  • SSDEEP

    12288:KxPgUrz/QxsOiVSXGNmMyR+llVu07GOjmnmvHV:qh4ZiVS2NmIuO4mvV

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    premium185.web-hosting.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    cooldown2013

Targets

    • Target

      8443db8f13ee9852c43c33605e22104d3ea320276f2affff0534627076c52976

    • Size

      587KB

    • MD5

      ce62a9d0c996178c2ac6a7b9a652257e

    • SHA1

      a8b4df6d25572780e70d10f64a5f7cda95180bd4

    • SHA256

      8443db8f13ee9852c43c33605e22104d3ea320276f2affff0534627076c52976

    • SHA512

      a9cebf2750e1da9cae45825212c2189fe25cb6194c0b2ca564185f44514ba71f01adc9e6181acd56c8b355e2ebe6f0d34a133fed9e7af1b8f7fa3ba88a8d0520

    • SSDEEP

      12288:KxPgUrz/QxsOiVSXGNmMyR+llVu07GOjmnmvHV:qh4ZiVS2NmIuO4mvV

    • AgentTesla

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

    • Executes dropped EXE

    • Loads dropped DLL

    • 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