General

  • Target

    0583223e2643902820a5cbfe07d5cd31_JaffaCakes118

  • Size

    708KB

  • Sample

    241001-mst4mazajf

  • MD5

    0583223e2643902820a5cbfe07d5cd31

  • SHA1

    d0733cc8bf1332d425f9687643b3556e6c8ebb54

  • SHA256

    8473ee961247610938e2129b09f37e9f919dcd13d9328111eda346ebffc4bd81

  • SHA512

    267edc65ec8367a659773e42eeb6cb84f976632d359c2f31dfe21ba4e0791431eea236cf386edbce678ef42b4c74f70eb1bfbff15b22c2f879245bab75f402b8

  • SSDEEP

    12288:EnM/HK7zB3sToaW55vgXCqB9l24V1Mc2VVcahGA8qEPOqS:eN8XW5aSi9jMFVCahD8qEH

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.spamora.net
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Emotion22

Targets

    • Target

      0583223e2643902820a5cbfe07d5cd31_JaffaCakes118

    • Size

      708KB

    • MD5

      0583223e2643902820a5cbfe07d5cd31

    • SHA1

      d0733cc8bf1332d425f9687643b3556e6c8ebb54

    • SHA256

      8473ee961247610938e2129b09f37e9f919dcd13d9328111eda346ebffc4bd81

    • SHA512

      267edc65ec8367a659773e42eeb6cb84f976632d359c2f31dfe21ba4e0791431eea236cf386edbce678ef42b4c74f70eb1bfbff15b22c2f879245bab75f402b8

    • SSDEEP

      12288:EnM/HK7zB3sToaW55vgXCqB9l24V1Mc2VVcahGA8qEPOqS:eN8XW5aSi9jMFVCahD8qEH

    • 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.

    • 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