General

  • Target

    9a19ab56f524f1aaa8ec1a76f2f32bd6.exe

  • Size

    732KB

  • Sample

    210227-nabnr2yarj

  • MD5

    9a19ab56f524f1aaa8ec1a76f2f32bd6

  • SHA1

    1ac24f29be30bc847ce9b0d281fed839da401a1f

  • SHA256

    9d58455a3680d9059743a60fb93d4c8c5a90fbc53815172059f323b902db412b

  • SHA512

    affd7569a5f64225097684929c42ed6d3902b4a46eb078c1fc08a95fc7b2980ce8e49f08a941a1b8ac6956d120a1e776b81a795e742dbffaee6ddb5c53071657

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.risjs.com
  • Port:
    587
  • Username:
    rongsheng@risjs.com
  • Password:
    rekbcOs0

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.risjs.com
  • Port:
    587
  • Username:
    rongsheng@risjs.com
  • Password:
    rekbcOs0

Targets

    • Target

      9a19ab56f524f1aaa8ec1a76f2f32bd6.exe

    • Size

      732KB

    • MD5

      9a19ab56f524f1aaa8ec1a76f2f32bd6

    • SHA1

      1ac24f29be30bc847ce9b0d281fed839da401a1f

    • SHA256

      9d58455a3680d9059743a60fb93d4c8c5a90fbc53815172059f323b902db412b

    • SHA512

      affd7569a5f64225097684929c42ed6d3902b4a46eb078c1fc08a95fc7b2980ce8e49f08a941a1b8ac6956d120a1e776b81a795e742dbffaee6ddb5c53071657

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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