General

  • Target

    Swiftcopy.exe.bin

  • Size

    700KB

  • Sample

    240518-gwpenafa9y

  • MD5

    a3f691b8cbca9531cb2e2711e0f2a166

  • SHA1

    3f8369e5be5fa86d52afb5dbe538bddc0060ab90

  • SHA256

    e8fe4366c2f5dec094103ca8abbf55bf6d2bfd50fa9e6441111678a0f0e8c432

  • SHA512

    d0394294e50b28950a96cf1b061d19f5621eb402d20bf16aee212697af210a0befb05d8c7b7ec93e38000cfecbd076829662fe1d5ead075776d9f69ea075e84c

  • SSDEEP

    12288:hdrLbDZaNRpTTqcoXw8w4r9a4klENmi/Z1VQ62FcjD/fyww6Ht7NalxIJetRy3f:7LDZMRpTX9hv4kNeV7vxN7NajMv3f

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.bonnyriggdentalsurgery.com.au
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Sages101*

Targets

    • Target

      Swiftcopy.exe.bin

    • Size

      700KB

    • MD5

      a3f691b8cbca9531cb2e2711e0f2a166

    • SHA1

      3f8369e5be5fa86d52afb5dbe538bddc0060ab90

    • SHA256

      e8fe4366c2f5dec094103ca8abbf55bf6d2bfd50fa9e6441111678a0f0e8c432

    • SHA512

      d0394294e50b28950a96cf1b061d19f5621eb402d20bf16aee212697af210a0befb05d8c7b7ec93e38000cfecbd076829662fe1d5ead075776d9f69ea075e84c

    • SSDEEP

      12288:hdrLbDZaNRpTTqcoXw8w4r9a4klENmi/Z1VQ62FcjD/fyww6Ht7NalxIJetRy3f:7LDZMRpTX9hv4kNeV7vxN7NajMv3f

    • AgentTesla

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

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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