General

  • Target

    6c1fbca58e9bc53ea7f16540f883e15e78cf2c917050c6b97f680cd519524950

  • Size

    47KB

  • Sample

    240426-ctxwsshc5x

  • MD5

    46be9c50445080232ef8212d55d93360

  • SHA1

    9e5f529a03375ccc8f55cb2ee7f5ed679ae79242

  • SHA256

    6c1fbca58e9bc53ea7f16540f883e15e78cf2c917050c6b97f680cd519524950

  • SHA512

    2316ef5819e534af19a7a308e543a4bb53239ffd2a56394bf7512b0ac36ec3f207e9917d75947f422a3e4f9a1a755e5cc9f22998e981f63cf6049b42aa58f730

  • SSDEEP

    768:4zMktxthaDNwYRvweCkJdsblgTEdIHPIDwkPrFGSCvfIHOJUUTJf9oRpBGBbV6Vn:4zMktxth6qYdelIEdIv4PxGrUKUuJlQ1

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.wassadadvogados.com.br
  • Port:
    587
  • Username:
    majicboyyy@wassadadvogados.com.br
  • Password:
    TkuGA;DYH+It

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.wassadadvogados.com.br
  • Port:
    587
  • Username:
    majicboyyy@wassadadvogados.com.br
  • Password:
    TkuGA;DYH+It
  • Email To:
    majicman@afprofiters.com

Targets

    • Target

      6c1fbca58e9bc53ea7f16540f883e15e78cf2c917050c6b97f680cd519524950

    • Size

      47KB

    • MD5

      46be9c50445080232ef8212d55d93360

    • SHA1

      9e5f529a03375ccc8f55cb2ee7f5ed679ae79242

    • SHA256

      6c1fbca58e9bc53ea7f16540f883e15e78cf2c917050c6b97f680cd519524950

    • SHA512

      2316ef5819e534af19a7a308e543a4bb53239ffd2a56394bf7512b0ac36ec3f207e9917d75947f422a3e4f9a1a755e5cc9f22998e981f63cf6049b42aa58f730

    • SSDEEP

      768:4zMktxthaDNwYRvweCkJdsblgTEdIHPIDwkPrFGSCvfIHOJUUTJf9oRpBGBbV6Vn:4zMktxth6qYdelIEdIv4PxGrUKUuJlQ1

    • AgentTesla

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

    • Detect ZGRat V1

    • ZGRat

      ZGRat is remote access trojan written in C#.

    • 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