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General

  • Target

    andyzx.exe.1

  • Size

    444KB

  • Sample

    221229-r16vlsge2x

  • MD5

    c11f1e1de112449a435b6bef633b4c33

  • SHA1

    30f92ec9ee6b0dea8509b8e12d66971c9f59d8f1

  • SHA256

    af858def0f616ad682057578ad5db6fdc6f8fa9bc3413fda170360cdb7657a99

  • SHA512

    bf0b024dd91f019e1a98312657feaec68dd5ed5bb1051317c32b76e97e6e97a7a9d0170fdaca8110749aa6cb6294fc560da91008f25b0a53a1fd323b4c3f02be

  • SSDEEP

    6144:yYa6ZqABOlqYdgEgnHDUjFEPS7yAThEeco9K2IAtvBXwUF:yYW/kYdgEgnjyFEPSGAmY9K2JBXwUF

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      andyzx.exe.1

    • Size

      444KB

    • MD5

      c11f1e1de112449a435b6bef633b4c33

    • SHA1

      30f92ec9ee6b0dea8509b8e12d66971c9f59d8f1

    • SHA256

      af858def0f616ad682057578ad5db6fdc6f8fa9bc3413fda170360cdb7657a99

    • SHA512

      bf0b024dd91f019e1a98312657feaec68dd5ed5bb1051317c32b76e97e6e97a7a9d0170fdaca8110749aa6cb6294fc560da91008f25b0a53a1fd323b4c3f02be

    • SSDEEP

      6144:yYa6ZqABOlqYdgEgnHDUjFEPS7yAThEeco9K2IAtvBXwUF:yYW/kYdgEgnjyFEPSGAmY9K2JBXwUF

    • AgentTesla

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

    • 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

    • 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 v6

Tasks