General

  • Target

    ca477265e67c6313738b85012acb71740d0ffc6a5e9ab38e8e512b7397c7e7f5.exe

  • Size

    645KB

  • Sample

    240419-cc49jsde33

  • MD5

    78a1ff0d4606e46358ad0fea96899339

  • SHA1

    cf7cbc850cb269650174f447332fa047572baaa3

  • SHA256

    ca477265e67c6313738b85012acb71740d0ffc6a5e9ab38e8e512b7397c7e7f5

  • SHA512

    f7227af1e9effcf17c62e89603ad31fbba3a0868084e2a766b1aeaef44826888175651218e12adbfe730769baae5ec8afab25cfdda1fafd863efe29accf3fe97

  • SSDEEP

    12288:ZVk/nVjVDe61iDDsVxoT6tiis5IC2FaXq6jfuI852cWjoIK:kV+sVxoT6s2Fe1ArA

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.italiacanda-it.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dsrociz1

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      ca477265e67c6313738b85012acb71740d0ffc6a5e9ab38e8e512b7397c7e7f5.exe

    • Size

      645KB

    • MD5

      78a1ff0d4606e46358ad0fea96899339

    • SHA1

      cf7cbc850cb269650174f447332fa047572baaa3

    • SHA256

      ca477265e67c6313738b85012acb71740d0ffc6a5e9ab38e8e512b7397c7e7f5

    • SHA512

      f7227af1e9effcf17c62e89603ad31fbba3a0868084e2a766b1aeaef44826888175651218e12adbfe730769baae5ec8afab25cfdda1fafd863efe29accf3fe97

    • SSDEEP

      12288:ZVk/nVjVDe61iDDsVxoT6tiis5IC2FaXq6jfuI852cWjoIK:kV+sVxoT6s2Fe1ArA

    • 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.

    • 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