General

  • Target

    90170.exe

  • Size

    484KB

  • Sample

    201204-pqjzawewpx

  • MD5

    f2525245b18c0a1417640de561519bca

  • SHA1

    4faa00066808072f81357c5005799d9d5ab64e8d

  • SHA256

    14e9fbfa42b47ccce196e0b09598d2bd00e1c784db6c5f82d47b908028418fad

  • SHA512

    d4f0e27a72162907a50a0e01b05cc424ae40ea89d711cbdb75ee9089dd010e1e06b3188721f66630ec860a8679cff548f37b58a586b3a62f87d745effec0451e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    novget.com
  • Port:
    587
  • Username:
    bmmc@novget.com
  • Password:
    1ra2RSyjI

Targets

    • Target

      90170.exe

    • Size

      484KB

    • MD5

      f2525245b18c0a1417640de561519bca

    • SHA1

      4faa00066808072f81357c5005799d9d5ab64e8d

    • SHA256

      14e9fbfa42b47ccce196e0b09598d2bd00e1c784db6c5f82d47b908028418fad

    • SHA512

      d4f0e27a72162907a50a0e01b05cc424ae40ea89d711cbdb75ee9089dd010e1e06b3188721f66630ec860a8679cff548f37b58a586b3a62f87d745effec0451e

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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 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