General

  • Target

    05cbd477a5d9ec508fa8bd7b5a49a87f_JaffaCakes118

  • Size

    750KB

  • Sample

    240428-wxjywsdf38

  • MD5

    05cbd477a5d9ec508fa8bd7b5a49a87f

  • SHA1

    c5c6d3427969fdde3aacce0891615f132b5ee4df

  • SHA256

    9e3a94f237c30841d45f04d73fb46e31b3fa5c5f45a6b49b5acd8aaf9f0b748d

  • SHA512

    14a09d30943edaa4b0012f130b74184151fbb42bdf0749075ee6d197100492e82758cbaf7ffc19bbde7b6c1f076c1f7031bfbe3391f2ed53959a35cf50db1471

  • SSDEEP

    12288:G1++rHW3HzlXficzNf04PGPgAPxMOhJgZC3KX1fF2kqpcf:G1Rr6lX1GHLhJ2C3Kh0ps

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.nhbisun.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7N_xUdf!3gm*

Targets

    • Target

      05cbd477a5d9ec508fa8bd7b5a49a87f_JaffaCakes118

    • Size

      750KB

    • MD5

      05cbd477a5d9ec508fa8bd7b5a49a87f

    • SHA1

      c5c6d3427969fdde3aacce0891615f132b5ee4df

    • SHA256

      9e3a94f237c30841d45f04d73fb46e31b3fa5c5f45a6b49b5acd8aaf9f0b748d

    • SHA512

      14a09d30943edaa4b0012f130b74184151fbb42bdf0749075ee6d197100492e82758cbaf7ffc19bbde7b6c1f076c1f7031bfbe3391f2ed53959a35cf50db1471

    • SSDEEP

      12288:G1++rHW3HzlXficzNf04PGPgAPxMOhJgZC3KX1fF2kqpcf:G1Rr6lX1GHLhJ2C3Kh0ps

    • AgentTesla

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

    • AgentTesla payload

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks