General

  • Target

    Mai.Chang-Green_TT_USD30100_INV00478764PDF.gz

  • Size

    184KB

  • Sample

    230328-qt5hjabc72

  • MD5

    574a854bcc066d7330274e6adddd7793

  • SHA1

    f52e22ace2573ec3843060946aaa1a2b31a69b3f

  • SHA256

    3bf57e9078e47ff807947a4f1788cb9e609911294e11f916f92e25c9fa977a30

  • SHA512

    87140deb2b52832e762f5851c1701e1ca2deb210021bbb634353873eb7e80508a5df316e8c9921f933e1c067f8b815fd4a646b44e1e2ea74714f93386f2ed683

  • SSDEEP

    3072:IdawbaSBcOimYv8dsvmtadywtgc1HXWDWwMX1xbraZmTZhLwzf0jkN0/xCE6K:Id3Pc7rfvmtaTuc8ywMzasnmf0jQEF

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.vulcano-group.com
  • Port:
    587
  • Username:
    webmaster@vulcano-group.com
  • Password:
    LY{oo-z$*b_#
  • Email To:
    china@chinatoolzlogs.com

Targets

    • Target

      Mai.Chang-Green_TT_USD30100_INV00478764PDF.exe

    • Size

      528KB

    • MD5

      63efa34320ba0f7e98104f825a565acc

    • SHA1

      93c4cab360f609e22839fd0e8ffca5e46e927c8b

    • SHA256

      dd277dde3049bb20e367796ae4cf93dd4e3e119104e72318ffc84f148f7e7a30

    • SHA512

      497d649b634efc6e14d74962b120d5f38cbb196e1516a90cb7bf6649e29087026b9eb764f3407373ff4c33b8927dc78a3bf8078318c02c98031669b9a1c62144

    • SSDEEP

      12288:EDFZYmE70Y2cq+Dfhh5/8IU0alaLg3aJnz/1WmR:EQjF2cqWfEIBqgJnz/1WmR

    • 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 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.

    • Accesses Microsoft Outlook profiles

    • Looks up external IP address via web service

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

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks