General

  • Target

    e71ae1235b84f9f5195ce82281600f38_JaffaCakes118

  • Size

    703KB

  • Sample

    240917-smvqvszfqj

  • MD5

    e71ae1235b84f9f5195ce82281600f38

  • SHA1

    e8449868f37bb95ed664cfb3048ec40cd699208c

  • SHA256

    b5ed3dead9212794fe1c3d66ac26cb3aef679980fdf63100e517f876655b0575

  • SHA512

    5542e64bb2983a95a5e375f317bac2179c695d232e298f46a2eadf051dc6b53fee5c1b01a4c5f0dc5482352438253bbc69a0ecc84095dcb1db7acc205db3d3e0

  • SSDEEP

    12288:+CDqFNXLBiGWkKz5S/JvijiODS/zPGmY+C5caoGpNPh3NU62:4cGWkKzQ5MaLZY+COcpBh9K

Malware Config

Extracted

Family

agenttesla

Credentials

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

Targets

    • Target

      e71ae1235b84f9f5195ce82281600f38_JaffaCakes118

    • Size

      703KB

    • MD5

      e71ae1235b84f9f5195ce82281600f38

    • SHA1

      e8449868f37bb95ed664cfb3048ec40cd699208c

    • SHA256

      b5ed3dead9212794fe1c3d66ac26cb3aef679980fdf63100e517f876655b0575

    • SHA512

      5542e64bb2983a95a5e375f317bac2179c695d232e298f46a2eadf051dc6b53fee5c1b01a4c5f0dc5482352438253bbc69a0ecc84095dcb1db7acc205db3d3e0

    • SSDEEP

      12288:+CDqFNXLBiGWkKz5S/JvijiODS/zPGmY+C5caoGpNPh3NU62:4cGWkKzQ5MaLZY+COcpBh9K

    • AgentTesla

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

    • AgentTesla payload

    • Credentials from Password Stores: Credentials from Web Browsers

      Malicious Access or copy of Web Browser Credential store.

    • 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.

    • Unsecured Credentials: Credentials In Files

      Steal credentials from unsecured files.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks