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General

  • Target

    27.exe

  • Size

    521KB

  • Sample

    240318-x7867sgd95

  • MD5

    b29fbc48ad3305f4dcab0be3145682a6

  • SHA1

    73152dd5e9cdf69d7ae9ff114aa818b2ec0decfb

  • SHA256

    104ae348871545562f1f0a2712ddb88659fda045dd969affd79fbdc25fc7e2fd

  • SHA512

    5111621a6bfd323812eed98e1053bde36598c1fb719e7c401a090d5ee679aee02f59d0337cf0f4fed780fbb4550add1cf812203e59efedb531081cf43931e838

  • SSDEEP

    12288:zbiKz52aC1sP906WMPTxgt8UnlQJAHCUkO/tRqUjRQ1F5CZTAujRM:Tl2af9061uKyOJCCUb7qUjRQsN

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.processengrg.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Bigbrain2022#

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      27.exe

    • Size

      521KB

    • MD5

      b29fbc48ad3305f4dcab0be3145682a6

    • SHA1

      73152dd5e9cdf69d7ae9ff114aa818b2ec0decfb

    • SHA256

      104ae348871545562f1f0a2712ddb88659fda045dd969affd79fbdc25fc7e2fd

    • SHA512

      5111621a6bfd323812eed98e1053bde36598c1fb719e7c401a090d5ee679aee02f59d0337cf0f4fed780fbb4550add1cf812203e59efedb531081cf43931e838

    • SSDEEP

      12288:zbiKz52aC1sP906WMPTxgt8UnlQJAHCUkO/tRqUjRQ1F5CZTAujRM:Tl2af9061uKyOJCCUb7qUjRQsN

    • AgentTesla

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

    • 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