General

  • Target

    17b144ac1ff3317294827875543e6ed7ead0d2b62c4d7314a569dda6828ebda6

  • Size

    1.2MB

  • Sample

    220521-bx4cbafgam

  • MD5

    41b63cf02b12f667a56b9982210046b6

  • SHA1

    ffea21006a11b5a934477f9f5a9f3f99867716c1

  • SHA256

    17b144ac1ff3317294827875543e6ed7ead0d2b62c4d7314a569dda6828ebda6

  • SHA512

    6443c6cdf10b6d2f525b1d4709a1810e34750527e7075e7ce26d107e2d04f68cde2b93e36f812ba14cf2f91f585b566ff9deaa6d6a150915aebacbbf5cf25fa3

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.outlook.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    9v4CkwBY3uLV43U

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.outlook.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    9v4CkwBY3uLV43U

Targets

    • Target

      EMS_SHIP.EXE

    • Size

      676KB

    • MD5

      9309dd56fbb77adb7478da855e16779b

    • SHA1

      8d45e064844154569e0cfa022a8f05d1f969bf98

    • SHA256

      82b85d6bc294eede14336f077f56aee1bd902c4ab91b7d37a8d0cf1fe11095fc

    • SHA512

      ffb418c0540b28f15ad9f483422a163e4fe944eebe0b7d055e55b0fbd2fa0ac59c17f03e46b43ee2fc5fe77423f314c7e38576401c488a8cc508b7bcc748e4f2

    • 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