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General

  • Target

    Proforma Invoice.exe

  • Size

    710KB

  • Sample

    240409-ljrfpsbg53

  • MD5

    cf01ce1ff2fb9e63152aa5b29fa4de07

  • SHA1

    8c8f3f28043444be20d90a557a5d1946d444b47a

  • SHA256

    a84e1b819b349474639fdedd97713f46afadae4203fb17f98954a1471cccfb74

  • SHA512

    a25ee4b4b145eb5180a77754491da049c338e102f00b2f2d07f2dc2ec3d894f2686bba4e2e2b40bcdb1fe78e1c8b0e01d7e0d974c6840467ed1ce0ed4c469bbe

  • SSDEEP

    12288:A0yjyUZpkkfMkfWFmHX4zcf7LzvRSOt5ybDl7jWE71vJXzjWvvR:kpvMkbVf3z5SOtKDlvl7/DjWvvR

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6903206003:AAFF6yOZVX0NDeRB5rBj48VYNGsWBB__dvI/

Targets

    • Target

      Proforma Invoice.exe

    • Size

      710KB

    • MD5

      cf01ce1ff2fb9e63152aa5b29fa4de07

    • SHA1

      8c8f3f28043444be20d90a557a5d1946d444b47a

    • SHA256

      a84e1b819b349474639fdedd97713f46afadae4203fb17f98954a1471cccfb74

    • SHA512

      a25ee4b4b145eb5180a77754491da049c338e102f00b2f2d07f2dc2ec3d894f2686bba4e2e2b40bcdb1fe78e1c8b0e01d7e0d974c6840467ed1ce0ed4c469bbe

    • SSDEEP

      12288:A0yjyUZpkkfMkfWFmHX4zcf7LzvRSOt5ybDl7jWE71vJXzjWvvR:kpvMkbVf3z5SOtKDlvl7/DjWvvR

    • 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.

    • 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