General

  • Target

    ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d

  • Size

    2.5MB

  • Sample

    240624-bh26pswbmj

  • MD5

    de9b7b1f668a33d19d8058706ba6c16e

  • SHA1

    6f8d6b460e3cc74ecc97bf8eb73490c3498ff778

  • SHA256

    ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d

  • SHA512

    5fc9d9d48aa29da2d0df0201dfe945a7f5354e00cf47204077c9b83da34ee1afb1b28ebcc73ddfc2823e76975a9844f5feeb334a56c5dec1d1d6d8eca3229427

  • SSDEEP

    12288:vt0KKLaVTXQFIsx2Aa+jjtRgvWNcE3wiDeR01S5XxWfMb0:F0KKLaVTAFI42AbjLzN13wik2+0

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.oserfech.eu
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Epicoffice@2024

Targets

    • Target

      ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d

    • Size

      2.5MB

    • MD5

      de9b7b1f668a33d19d8058706ba6c16e

    • SHA1

      6f8d6b460e3cc74ecc97bf8eb73490c3498ff778

    • SHA256

      ce4d27f8271459cba8e5ee47c218a18ea818b38de6c42635decaed6c10e1c41d

    • SHA512

      5fc9d9d48aa29da2d0df0201dfe945a7f5354e00cf47204077c9b83da34ee1afb1b28ebcc73ddfc2823e76975a9844f5feeb334a56c5dec1d1d6d8eca3229427

    • SSDEEP

      12288:vt0KKLaVTXQFIsx2Aa+jjtRgvWNcE3wiDeR01S5XxWfMb0:F0KKLaVTAFI42AbjLzN13wik2+0

    • AgentTesla

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

    • UAC bypass

    • Windows security bypass

    • Looks for VirtualBox Guest Additions in registry

    • Command and Scripting Interpreter: PowerShell

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

    • Looks for VMWare Tools registry key

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks