General

  • Target

    CETC-Request.exe

  • Size

    704KB

  • Sample

    201109-pk16a9anla

  • MD5

    effed7e2c9577b71101867f764e647c4

  • SHA1

    136751dc76b63296ca977a044bf71f85ef860d06

  • SHA256

    3363075fd1a09ada8858a47b099c702028f26705c5967633ee92f341817db3b3

  • SHA512

    6411bc672650af696c15fd4bdf36577c9a9ce4fa1ba0465c9f01ca97965545e22c4a87545162d2dd6ca23ed9264fc4f6e53175da744fe617049701be8d1b7179

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    dmkozlovd@yandex.ru
  • Password:
    Starboy@22

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    dmkozlovd@yandex.ru
  • Password:
    Starboy@22

Targets

    • Target

      CETC-Request.exe

    • Size

      704KB

    • MD5

      effed7e2c9577b71101867f764e647c4

    • SHA1

      136751dc76b63296ca977a044bf71f85ef860d06

    • SHA256

      3363075fd1a09ada8858a47b099c702028f26705c5967633ee92f341817db3b3

    • SHA512

      6411bc672650af696c15fd4bdf36577c9a9ce4fa1ba0465c9f01ca97965545e22c4a87545162d2dd6ca23ed9264fc4f6e53175da744fe617049701be8d1b7179

    • AgentTesla

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

    • AgentTesla Payload

    • rezer0

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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