General

  • Target

    SecuriteInfo.com.Trojan.DownLoader35.8855.6211.5818

  • Size

    663KB

  • Sample

    210124-738jw1lz6s

  • MD5

    a9def69e546c8c2f571ac66a5139d14c

  • SHA1

    e15a5dfc1f7aee0447086a78e63a8976a6dcb410

  • SHA256

    f372983ed0602135c147b463d58ffe76dba8f5bb3168cc827f3e85ec1b441028

  • SHA512

    754547db5a3c249d024f5c91c53ff22cb1e173607aa454f52fb41aef4eb7734295d3fe2ec75d69611edc1d6acf730d9a66b9a83004295f7150e25937fe3c89d4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.goldsterm.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    3z1a{z?ae?PV

Targets

    • Target

      SecuriteInfo.com.Trojan.DownLoader35.8855.6211.5818

    • Size

      663KB

    • MD5

      a9def69e546c8c2f571ac66a5139d14c

    • SHA1

      e15a5dfc1f7aee0447086a78e63a8976a6dcb410

    • SHA256

      f372983ed0602135c147b463d58ffe76dba8f5bb3168cc827f3e85ec1b441028

    • SHA512

      754547db5a3c249d024f5c91c53ff22cb1e173607aa454f52fb41aef4eb7734295d3fe2ec75d69611edc1d6acf730d9a66b9a83004295f7150e25937fe3c89d4

    • AgentTesla

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

    • AgentTesla Payload

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks