General

  • Target

    b83fd59e36680ef96d1a8ca2c7055e4424c9c954b9e4f182b693ec049c5c5d66

  • Size

    612KB

  • Sample

    241115-cfgyeswlfz

  • MD5

    b519fdc5b5b25230da37b30349b512ab

  • SHA1

    8663729b08cc60f293fa22e46a5feee19da1a3a8

  • SHA256

    b83fd59e36680ef96d1a8ca2c7055e4424c9c954b9e4f182b693ec049c5c5d66

  • SHA512

    9d62530978c82b8366b289f62abb9d927fde6215baf7da432e2930052f002263fd06b2d75977d7cc9cc4c9ffc3a7ddc3784d419c7e03393fb0656de511039b42

  • SSDEEP

    12288:OJRI0LA8PMkUL2CfvuHk28OYKqLffCktbygF9xcHrZ353/BE+IZzE8fBi0:8A8rhvEO+fTtbyI9xeZ3535W6Q

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      b83fd59e36680ef96d1a8ca2c7055e4424c9c954b9e4f182b693ec049c5c5d66

    • Size

      612KB

    • MD5

      b519fdc5b5b25230da37b30349b512ab

    • SHA1

      8663729b08cc60f293fa22e46a5feee19da1a3a8

    • SHA256

      b83fd59e36680ef96d1a8ca2c7055e4424c9c954b9e4f182b693ec049c5c5d66

    • SHA512

      9d62530978c82b8366b289f62abb9d927fde6215baf7da432e2930052f002263fd06b2d75977d7cc9cc4c9ffc3a7ddc3784d419c7e03393fb0656de511039b42

    • SSDEEP

      12288:OJRI0LA8PMkUL2CfvuHk28OYKqLffCktbygF9xcHrZ353/BE+IZzE8fBi0:8A8rhvEO+fTtbyI9xeZ3535W6Q

    • AgentTesla

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

    • Agenttesla family

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks