General

  • Target

    Ref#20203216.exe

  • Size

    150KB

  • Sample

    241223-h28k6axlcw

  • MD5

    9f9df5620e05da5bbf797b8531da35ab

  • SHA1

    22be3755c61f577fb39e4d71df0f8d9bfb90aa87

  • SHA256

    e97247599a336032a86ea5cb42b3b9c971567977e245b689d87c3f2ef3d200e4

  • SHA512

    365554a00606263906af881542ff87999c32d30389798219deb9cb384874a9700eba56ee883b1dc5238890a6a5ea15f8c3861182b267fb0a6b196bcbdf39e480

  • SSDEEP

    1536:aj9JxITkjSu9L8xIWCPAHWoTwuckbZrSV6ICB3pQpYvNX81zJfqK6XiFZKj:aj+TTup8omWiwLcCxSZQpe5WzJfV62M

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    162.254.34.31
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    ABwuRZS5Mjh5

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      Ref#20203216.exe

    • Size

      150KB

    • MD5

      9f9df5620e05da5bbf797b8531da35ab

    • SHA1

      22be3755c61f577fb39e4d71df0f8d9bfb90aa87

    • SHA256

      e97247599a336032a86ea5cb42b3b9c971567977e245b689d87c3f2ef3d200e4

    • SHA512

      365554a00606263906af881542ff87999c32d30389798219deb9cb384874a9700eba56ee883b1dc5238890a6a5ea15f8c3861182b267fb0a6b196bcbdf39e480

    • SSDEEP

      1536:aj9JxITkjSu9L8xIWCPAHWoTwuckbZrSV6ICB3pQpYvNX81zJfqK6XiFZKj:aj+TTup8omWiwLcCxSZQpe5WzJfV62M

    • AgentTesla

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

    • Agenttesla family

    • Suspicious use of NtCreateUserProcessOtherParentProcess

    • Drops startup file

    • 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 SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks