General

  • Target

    c85db40f5edf7fb409e5a1927f6f95f28691a745ae4785e693500a496ee1426f

  • Size

    403KB

  • Sample

    220520-3tq2cscddk

  • MD5

    39d8a7d58474a9adbab8f26a51c1ffe4

  • SHA1

    27114dc1f60c69b13636b6ac9b8cffa332848dc2

  • SHA256

    c85db40f5edf7fb409e5a1927f6f95f28691a745ae4785e693500a496ee1426f

  • SHA512

    b006285eb702fe77f124272fa22f90acd6f2b11b4ec05d13a8f7145efef85d04cb320fb3c0090ac57a125e39750bf454759e2ae5f605ca49f145617221549d14

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.kalatecnic.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Barcelona08397

Targets

    • Target

      DOCUMENT.exe

    • Size

      461KB

    • MD5

      9ee9263383da724d950b4d20344ad1fb

    • SHA1

      4a9892fd20c25ba6fa5775a0c06b4fb634267291

    • SHA256

      ca1bd575c42ce30ba0cb7bda8abfc2976c3781327c4881830b51dbc88e6eb7de

    • SHA512

      813ffaac5c95948747ff8999f4b3eca22c86e84aeafde24c836882e00a4ffe9838cd43844baf8ef11b6ea0ea16334a13029cbf898b898f6ff2a54135a1f3fb5b

    • AgentTesla

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

    • AgentTesla Payload

    • 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