General

  • Target

    dc5688e382c2b6703dac78213f9ef156b2be33ee44aa3bc724a3858b9517677e

  • Size

    401KB

  • Sample

    220521-xl4dtsfchj

  • MD5

    44f80c62b4958cc95860224850f1a21f

  • SHA1

    4ebfa4fd6372b5d19cbe566cca1543efe1e08e08

  • SHA256

    dc5688e382c2b6703dac78213f9ef156b2be33ee44aa3bc724a3858b9517677e

  • SHA512

    812b9dd03852ed055e4ee2bb962ad67c2a6d74fd6c3570977b6f3124855869094e7f9132ee56a195ae78948db9959a771e6e860fbb60b9634737b7cd127cafd2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    secure231.servconfig.com
  • Port:
    587
  • Username:
    info@eltaef.com
  • Password:
    eltaefSH6548883

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    secure231.servconfig.com
  • Port:
    587
  • Username:
    info@eltaef.com
  • Password:
    eltaefSH6548883

Targets

    • Target

      SSCN_12462020pdf.exe

    • Size

      444KB

    • MD5

      33d17dffd1221cd066f45811323b44b1

    • SHA1

      4412bb573391d3466ba49d0d0451d0bb73b245c8

    • SHA256

      ba2937327a241e543cddc12d8c1648db557d5408cc4fe8d06a5261d2d96896ca

    • SHA512

      b7f6c51325171a8d3d6b89c07ebf6715f74ba4fa19bd62f781719c540494a18c0c659301957b34c6bce4ea5f7cf837fe6f299d7a56d8f97e2cc54bd62b3ae8dd

    • 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