General

  • Target

    539bd7b1e407a485f3fc31b27d1adfd0c1594d15f773c14119255e995fd82f81

  • Size

    660KB

  • Sample

    240330-bevbpade3s

  • MD5

    76a62fbc17b736c0f770a8ec34b4a754

  • SHA1

    c2b53a1b1976b0a12b0c616f3aab0823bf8e388d

  • SHA256

    539bd7b1e407a485f3fc31b27d1adfd0c1594d15f773c14119255e995fd82f81

  • SHA512

    0aeac0b07f9c23414655e201853e92c4fea05d1648024a9d11913888e09856159236925fb9e4ff3e087eb7eea8fe36331b5afbeed4d6cfbcab6aa48a5d2e7b5e

  • SSDEEP

    12288:fH2iNlw0L3qngkrrlL6zoSsrdlzlBnnb1wLHGkELE1Q9RuKH86G1h2MX:v1XugkHljBnBBnnRwLHGdFRuKH8P1h2c

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.dagcan.com.tr
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dagcan2022

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      539bd7b1e407a485f3fc31b27d1adfd0c1594d15f773c14119255e995fd82f81

    • Size

      660KB

    • MD5

      76a62fbc17b736c0f770a8ec34b4a754

    • SHA1

      c2b53a1b1976b0a12b0c616f3aab0823bf8e388d

    • SHA256

      539bd7b1e407a485f3fc31b27d1adfd0c1594d15f773c14119255e995fd82f81

    • SHA512

      0aeac0b07f9c23414655e201853e92c4fea05d1648024a9d11913888e09856159236925fb9e4ff3e087eb7eea8fe36331b5afbeed4d6cfbcab6aa48a5d2e7b5e

    • SSDEEP

      12288:fH2iNlw0L3qngkrrlL6zoSsrdlzlBnnb1wLHGkELE1Q9RuKH86G1h2MX:v1XugkHljBnBBnnRwLHGdFRuKH8P1h2c

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Looks up external IP address via web service

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

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks