General

  • Target

    InquiryPo 08 07 020_PDF.exe

  • Size

    874KB

  • Sample

    200708-wl3a2dewze

  • MD5

    4f7a9ac854a2f793af939a85e0907a50

  • SHA1

    ec1fc7da2d96b18e09cb5fad0f65fdf344bcb901

  • SHA256

    033e072066199b1ad85444191f19a03d8b15ec628930b4e86d7b5fb5e0a0baae

  • SHA512

    8889dce81db6b401f1c20c202d41d0e926969f834a7892f2b73c217f19f591cd8bc993a4e069a2bad485cc6103638e36c3774701846b96140cc4da7adc748a8c

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mosaiclayouts.com
  • Port:
    587
  • Username:
    sales@mosaiclayouts.com
  • Password:
    UY$W4+]^+9;)7CF5

Targets

    • Target

      InquiryPo 08 07 020_PDF.exe

    • Size

      874KB

    • MD5

      4f7a9ac854a2f793af939a85e0907a50

    • SHA1

      ec1fc7da2d96b18e09cb5fad0f65fdf344bcb901

    • SHA256

      033e072066199b1ad85444191f19a03d8b15ec628930b4e86d7b5fb5e0a0baae

    • SHA512

      8889dce81db6b401f1c20c202d41d0e926969f834a7892f2b73c217f19f591cd8bc993a4e069a2bad485cc6103638e36c3774701846b96140cc4da7adc748a8c

    • 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