General

  • Target

    b3580d38b30cb86c69f477be90d938ab896a8302035acb44b1d5df26def8bbe8

  • Size

    1.4MB

  • Sample

    240523-bj9l6sga2w

  • MD5

    57927b0ff33c432c4292620206164e34

  • SHA1

    d8c902010e7943f3940f84678816de4639e3967b

  • SHA256

    b3580d38b30cb86c69f477be90d938ab896a8302035acb44b1d5df26def8bbe8

  • SHA512

    b9deb780b2022db4288f1fd0db0a64436d288da24efe3a374f585c34e0744126aec58c4a60ffd6346a5352262fc071b39a8861550f82bf6f17deabf2b3142dac

  • SSDEEP

    24576:E3mJ4QH5npAbbt89g6lkRcHc/7jVt6G+xJKr6AOALfrSUv15gmm7kqQILp52HTbX:E3Y59rlkRH/7CG+xJZAOALfrSUv15gmz

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.oxcs.bluehost.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Johnson2024@

Targets

    • Target

      b3580d38b30cb86c69f477be90d938ab896a8302035acb44b1d5df26def8bbe8

    • Size

      1.4MB

    • MD5

      57927b0ff33c432c4292620206164e34

    • SHA1

      d8c902010e7943f3940f84678816de4639e3967b

    • SHA256

      b3580d38b30cb86c69f477be90d938ab896a8302035acb44b1d5df26def8bbe8

    • SHA512

      b9deb780b2022db4288f1fd0db0a64436d288da24efe3a374f585c34e0744126aec58c4a60ffd6346a5352262fc071b39a8861550f82bf6f17deabf2b3142dac

    • SSDEEP

      24576:E3mJ4QH5npAbbt89g6lkRcHc/7jVt6G+xJKr6AOALfrSUv15gmm7kqQILp52HTbX:E3Y59rlkRH/7CG+xJZAOALfrSUv15gmz

    • AgentTesla

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

    • Executes dropped EXE

    • 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

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Tasks