General

  • Target

    6c01fbc126e374722c264c58abd57e029cf04274d3f239ca59b6b8dc014c55d6

  • Size

    292KB

  • Sample

    220521-nr75jahbfj

  • MD5

    876a92ffdcb6cab2f8693181b5c85df6

  • SHA1

    631f9277dff249791aad6d0458989cd62e1b5433

  • SHA256

    6c01fbc126e374722c264c58abd57e029cf04274d3f239ca59b6b8dc014c55d6

  • SHA512

    031008ddcf70412d6d9265bfcb0a327e7490e96ea323d876e56fdfe9cf15ae58c1e879e9b24fdb9eaaa7e89f85d0302d6d29e28df495699366e743536dab806a

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    alibaba123

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    alibaba123

Targets

    • Target

      Products description.exe

    • Size

      598KB

    • MD5

      62df3974ab561482298cfa714ea69814

    • SHA1

      4b860c8f44c042b186696f90d16d13c18b1ada82

    • SHA256

      44ce0aee858d173dd0575154562f83765798c772f2d22781a107713619d77da5

    • SHA512

      97d9e0f077acca676c72d685ec1618ffce675a6719b1942052b1e7e9363940626ade72fbea990c4d5fb5ae94d46a6ef1f80e064072e6bbc9fcc2167cce62fd2f

    • AgentTesla

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

    • AgentTesla Payload

    • 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

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks