General

  • Target

    d8337b177f29c1422033dbae7b4b1191f9721c54ce02885318ca80aefa446964

  • Size

    296KB

  • Sample

    240427-b6lhvshd5w

  • MD5

    51cddcbd39641c958d5906dd9c9080ad

  • SHA1

    6dc67e50fe2c5259ea0a0364475d2a9558a1fe3a

  • SHA256

    d8337b177f29c1422033dbae7b4b1191f9721c54ce02885318ca80aefa446964

  • SHA512

    2c03cb2bdfde6838ab0ed24ea310aa6bcfdc5e30a57c861bf9cdca872e098c5fc80ebe664459df5836dcc2bdcc35618800628b9d9afefadc2227ff8de657cae2

  • SSDEEP

    6144:2c7tvCwj2O9lT+TIvZCoJZP2xwrpuHeAFUhhmPhLkJRJ:vKwRwkImzs/Mh2gJP

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    proglass.com.sg
  • Port:
    587
  • Username:
    admin1@proglass.com.sg
  • Password:
    BillionPay$
  • Email To:
    administrator@proglass.com.sg

Targets

    • Target

      d8337b177f29c1422033dbae7b4b1191f9721c54ce02885318ca80aefa446964

    • Size

      296KB

    • MD5

      51cddcbd39641c958d5906dd9c9080ad

    • SHA1

      6dc67e50fe2c5259ea0a0364475d2a9558a1fe3a

    • SHA256

      d8337b177f29c1422033dbae7b4b1191f9721c54ce02885318ca80aefa446964

    • SHA512

      2c03cb2bdfde6838ab0ed24ea310aa6bcfdc5e30a57c861bf9cdca872e098c5fc80ebe664459df5836dcc2bdcc35618800628b9d9afefadc2227ff8de657cae2

    • SSDEEP

      6144:2c7tvCwj2O9lT+TIvZCoJZP2xwrpuHeAFUhhmPhLkJRJ:vKwRwkImzs/Mh2gJP

    • AgentTesla

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

    • 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.

    • 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

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks