General

  • Target

    f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a

  • Size

    753KB

  • Sample

    240612-b4trfsyamm

  • MD5

    41ec13547c155db2bfcb4035368f2ddc

  • SHA1

    bf1dd45f554c246225104c2f7874cdb7cab9f91f

  • SHA256

    f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a

  • SHA512

    a0713ba4c5aab008f86c0d3947b6684e711609bdb06601c65ab142a7d60b05933dbfeed906a34a3045ddff646ef22b5e9c95168dd2aef0e30b610ac520c3c6f7

  • SSDEEP

    12288:i+B2K2IU98H7+zhEpvRFOfjOIqkOc3GwGg7DCvJvzCjB1CC2TACR5leZlNc:aIUg7AGOKI7Wj6DCtCLCCMA+erC

Malware Config

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a

    • Size

      753KB

    • MD5

      41ec13547c155db2bfcb4035368f2ddc

    • SHA1

      bf1dd45f554c246225104c2f7874cdb7cab9f91f

    • SHA256

      f47a77d7238fe78b69a9052c64eb5877509e3b38e647b73a297a129bdefe7e5a

    • SHA512

      a0713ba4c5aab008f86c0d3947b6684e711609bdb06601c65ab142a7d60b05933dbfeed906a34a3045ddff646ef22b5e9c95168dd2aef0e30b610ac520c3c6f7

    • SSDEEP

      12288:i+B2K2IU98H7+zhEpvRFOfjOIqkOc3GwGg7DCvJvzCjB1CC2TACR5leZlNc:aIUg7AGOKI7Wj6DCtCLCCMA+erC

    • 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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks