General

  • Target

    d98a3a4cda77115b8a6511899ef363ab54520f04eca89b2acdff16ff77c54213

  • Size

    382KB

  • Sample

    220521-ndzk8sgfdq

  • MD5

    7e5c236e3772151dba3b7d0c7fce9206

  • SHA1

    b4c528ab75a2193c00c0f93a17204d139d98dbf4

  • SHA256

    d98a3a4cda77115b8a6511899ef363ab54520f04eca89b2acdff16ff77c54213

  • SHA512

    ea6b2efd3e77a85132282d9aea97d6c79c42869c71e8acc2794328c92fcd17b8322eda236994d859ffff2831e2c498ca83320ec3af69e550d7f60ae79d8280af

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    $Hari@prasad%2020

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.1and1.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    $Hari@prasad%2020

Targets

    • Target

      Sample.exe

    • Size

      480KB

    • MD5

      143c76434a422e8a2b13c95ada7b979c

    • SHA1

      772b2879031105c051b39e7d85db6786ba75db85

    • SHA256

      6221a1cb1542f6a5e27db19bfc3d09591b7ca0ec8b793b78a7bef9d0660e578d

    • SHA512

      a6760042e059744fe53e953afa3345abd1b22399d733ed1331503f9ed3e1530409c4a165d8f6a65d25169636024f4d519a51137a74d5cfc6e8d8573ee6acdbfb

    • 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