General

  • Target

    62af6a96cf3dd3258981b60d39b46c3fee3cd00e60bd188073560cd29a904968.exe

  • Size

    1023KB

  • Sample

    240307-crq1gadc54

  • MD5

    3729fd79c5ce2cd6d57789a9a88cb17a

  • SHA1

    b07216ee67c623a45dd8c1e5fb86d9ac3aa0da13

  • SHA256

    62af6a96cf3dd3258981b60d39b46c3fee3cd00e60bd188073560cd29a904968

  • SHA512

    647c20e1dff06501c7167bf02a911ad112a7bf0db9ddaadd69eb130964452649db2795e606688afc112a8022d62ca1532fa0da6cf41641b6bd3f8b6fbf894e3d

  • SSDEEP

    12288:TlW3HmzBh35JcUAfBcjxUW9PzqUZGaPPBraBUQ0Ym:5BzrztUW1zNbPBraBUd

Malware Config

Extracted

Family

agenttesla

C2

https://api.telegram.org/bot6981023497:AAHl8hNT6c3ywQtrLSswit8gBAF4M9xCAZU/

Targets

    • Target

      62af6a96cf3dd3258981b60d39b46c3fee3cd00e60bd188073560cd29a904968.exe

    • Size

      1023KB

    • MD5

      3729fd79c5ce2cd6d57789a9a88cb17a

    • SHA1

      b07216ee67c623a45dd8c1e5fb86d9ac3aa0da13

    • SHA256

      62af6a96cf3dd3258981b60d39b46c3fee3cd00e60bd188073560cd29a904968

    • SHA512

      647c20e1dff06501c7167bf02a911ad112a7bf0db9ddaadd69eb130964452649db2795e606688afc112a8022d62ca1532fa0da6cf41641b6bd3f8b6fbf894e3d

    • SSDEEP

      12288:TlW3HmzBh35JcUAfBcjxUW9PzqUZGaPPBraBUQ0Ym:5BzrztUW1zNbPBraBUd

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks