General

  • Target

    f1deaf13217f6e0b728e9995a07db0f8a1ee3b83e606ed806d641b9c7bfd1875

  • Size

    413KB

  • Sample

    220520-3ks5cshag3

  • MD5

    d07cb3294eceb2645df557980c983afd

  • SHA1

    d9433922d3d8eeea67d027f04aede8d21d35c03b

  • SHA256

    f1deaf13217f6e0b728e9995a07db0f8a1ee3b83e606ed806d641b9c7bfd1875

  • SHA512

    e0a05d9672d30fbeaa04ebae07588173364bf169024071f27a12a6b8f876dd4a81eaae3b84e266d669d6a119222d5bfb5fe59bbd273f2cc06b408e0877d88ac2

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.privateemail.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    mmm777

Targets

    • Target

      Quotation.exe

    • Size

      518KB

    • MD5

      c4b00cd74ab74bdb219e5f174764c532

    • SHA1

      cda3ba0e81d59defb7ced807976b1a41347175cf

    • SHA256

      757811211cb9b67549000151e38132dabe4f0791589ca1559cca94e9993cd7cc

    • SHA512

      7d0f7841450fd2c26a0b15b020357c6c9913b1d69f03526967b6cf6caf5170cb1d0c83bd1abda0456a8c0864f94ad61be4372de1fb717048fb62eb820c55a1ae

    • AgentTesla

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

    • AgentTesla Payload

    • Drops file in Drivers directory

    • 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