General

  • Target

    77d3eb1a7c578f265ed939a163907172b0f2ff2f

  • Size

    32KB

  • Sample

    230104-qw5lbagc86

  • MD5

    1c8dff1ba5adb253c975739d5d9efe57

  • SHA1

    77d3eb1a7c578f265ed939a163907172b0f2ff2f

  • SHA256

    faf71181b4aee21a871a05e74566356faca82201252d20cb3ef1cd75dcef2b16

  • SHA512

    fb288e2829bb9a55fcca55029565000f3f9a69ad70a78285792a2b318f84fd56270221a96af9140427864e8c0cf5c2154de24d49ac5b2563ebcfb40573e07b64

  • SSDEEP

    768:eWPFx0XaIsnPRIa4fwJMw9GeKjD6PNCL8yGSobsWcXcF:FPf0Xvx3EMwM6Kt6CcF

Malware Config

Extracted

Credentials

  • Protocol:
    ftp
  • Host:
    ftp.valvulasthermovalve.cl
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Extracted

Family

agenttesla

Credentials

  • Protocol:
    ftp
  • Host:
    ftp://ftp.valvulasthermovalve.cl/
  • Port:
    21
  • Username:
    [email protected]
  • Password:
    LILKOOLL14!!

Targets

    • Target

      77d3eb1a7c578f265ed939a163907172b0f2ff2f

    • Size

      32KB

    • MD5

      1c8dff1ba5adb253c975739d5d9efe57

    • SHA1

      77d3eb1a7c578f265ed939a163907172b0f2ff2f

    • SHA256

      faf71181b4aee21a871a05e74566356faca82201252d20cb3ef1cd75dcef2b16

    • SHA512

      fb288e2829bb9a55fcca55029565000f3f9a69ad70a78285792a2b318f84fd56270221a96af9140427864e8c0cf5c2154de24d49ac5b2563ebcfb40573e07b64

    • SSDEEP

      768:eWPFx0XaIsnPRIa4fwJMw9GeKjD6PNCL8yGSobsWcXcF:FPf0Xvx3EMwM6Kt6CcF

    • AgentTesla

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

    • Blocklisted process makes network request

    • Downloads MZ/PE file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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