General

  • Target

    42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182

  • Size

    990KB

  • Sample

    240522-bq1mvafg93

  • MD5

    9da75658a4549586e5b542d7e6aac31a

  • SHA1

    b799504424a4c991d96c84d94fb6ec956a33d6a7

  • SHA256

    42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182

  • SHA512

    53825fb9f0c6da755e7e2abaf03d66793f7ab95c12f3efec55863575dc505f11f05f44badddbbcba8988b2fb0ee5dbb99b379cf07d6fa258327b295f110dcb54

  • SSDEEP

    24576:S0220C8uECnmUShKoWQST75l0ewP9R4sW6uAgzc3sO1NTSLn:a4sP8zc3sO7SLn

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lubentech.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    hamid@1349

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182

    • Size

      990KB

    • MD5

      9da75658a4549586e5b542d7e6aac31a

    • SHA1

      b799504424a4c991d96c84d94fb6ec956a33d6a7

    • SHA256

      42e04cdcbaf6b51e85a22643e1bf0950020fd09ea4b386d330b4447a682ff182

    • SHA512

      53825fb9f0c6da755e7e2abaf03d66793f7ab95c12f3efec55863575dc505f11f05f44badddbbcba8988b2fb0ee5dbb99b379cf07d6fa258327b295f110dcb54

    • SSDEEP

      24576:S0220C8uECnmUShKoWQST75l0ewP9R4sW6uAgzc3sO1NTSLn:a4sP8zc3sO7SLn

    • AgentTesla

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

    • Drops startup file

    • Executes dropped EXE

    • Loads dropped DLL

    • 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