General

  • Target

    e08c0ea41598e6d9e0859fa7984e7f1f8064399d4cc8275857578eb1436543c5

  • Size

    430KB

  • Sample

    220521-ny346aech4

  • MD5

    5bed6d227944a44d5ef8fcdc38687b33

  • SHA1

    60a2fbbf9853834b8940b8d67b42fd22389bfa45

  • SHA256

    e08c0ea41598e6d9e0859fa7984e7f1f8064399d4cc8275857578eb1436543c5

  • SHA512

    2be8ea44689d0aedcbae98b4e77d2ebd7151f32c6fac6e5a223aba0fdc0af958c6b2674989e4d3dd036b4dfeb63d2b09170156dbc7d641c48ea8bbc1a2e330e6

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    mrcvr@tronois.com
  • Password:
    mmm777

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    mrcvr@tronois.com
  • Password:
    mmm777

Targets

    • Target

      Quotation.exe

    • Size

      802KB

    • MD5

      b9465bb08c2cdfc40967b4ce32696ad3

    • SHA1

      9013b15ae374d6aa9eb33151e46725473a45d4ed

    • SHA256

      a142c942f9a16d223b3591c321dd47b72526689fb52a883dae9952a5d53b2707

    • SHA512

      f45c6eda8ab7cad0b252bbfb4d62467257971f78a12bcba5e99df475639ba35ddf8adc3d143c2ee1b0b8cf3ccc97fb0c4119e0082e3ec09deff61fae7ec8eb8d

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks