General

  • Target

    070ce8d430fc2f4619e6e5843831dabe5903d25f9561cf1fe1551359abafdbba

  • Size

    693KB

  • Sample

    221125-kmwzxsec72

  • MD5

    522e754681dd0ce6ee093418debaaaa3

  • SHA1

    d92c7b8bcd8d3b3e468c27bd68c724538dd78cac

  • SHA256

    070ce8d430fc2f4619e6e5843831dabe5903d25f9561cf1fe1551359abafdbba

  • SHA512

    ef37b15e0a3887b68da233b5158e07b16e0a1f1e88d30ca5d6d5572d17f2d98f29d54c41bbc0c23b1584abd8ac98536a046f1acbb353f1c0c8e92255a0c6eb00

  • SSDEEP

    12288:IK8BjODxaucUL49JU2WIJmZi9709qXQ+jOyLSESPPn+SdSzUqrmld2/Qaq/KgIuK:IlBy1Zp7CN6GyY/qb2/Qt/0WM

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.araskargopost.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    company1960

Targets

    • Target

      070ce8d430fc2f4619e6e5843831dabe5903d25f9561cf1fe1551359abafdbba

    • Size

      693KB

    • MD5

      522e754681dd0ce6ee093418debaaaa3

    • SHA1

      d92c7b8bcd8d3b3e468c27bd68c724538dd78cac

    • SHA256

      070ce8d430fc2f4619e6e5843831dabe5903d25f9561cf1fe1551359abafdbba

    • SHA512

      ef37b15e0a3887b68da233b5158e07b16e0a1f1e88d30ca5d6d5572d17f2d98f29d54c41bbc0c23b1584abd8ac98536a046f1acbb353f1c0c8e92255a0c6eb00

    • SSDEEP

      12288:IK8BjODxaucUL49JU2WIJmZi9709qXQ+jOyLSESPPn+SdSzUqrmld2/Qaq/KgIuK:IlBy1Zp7CN6GyY/qb2/Qt/0WM

    • 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

    • 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

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks