General

  • Target

    7aa02d07edfd0c1a75eb3f05694c8fb0955fd4c654fa1a7a97f01e736a3cccb5

  • Size

    246KB

  • Sample

    220521-n5r1gahggp

  • MD5

    6a23fcee27c15c8a5e7f6225c20d76dd

  • SHA1

    9f018b2dd4a4a373d808b4a4c689160c66e551e6

  • SHA256

    7aa02d07edfd0c1a75eb3f05694c8fb0955fd4c654fa1a7a97f01e736a3cccb5

  • SHA512

    839a632991c8349ca690d2af3093fc1616db10e193b85647971ddc61dd91ce77b6bd3b4a06753eec059a50f64ab14a81060022cefabd261f773a5261df6a4511

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Hunter$#@145722

Targets

    • Target

      T. HALK BANKASI A.S.exe

    • Size

      569KB

    • MD5

      9a93aae886b13bfa86dade71e0b21846

    • SHA1

      9a4c8babb2b4e3b5292f2dc227fe25f8abc6b9a3

    • SHA256

      d95da3b2e36df903e14aab07df9dfbc266028bd4d110d8607d10f06aa927cb75

    • SHA512

      11e1bb4c43b8557b3b13584e09bf28fda105f973ead881d5254c64edd8bfb950d91b1967de98362f758d72399f2d43d9805647b03360d6b4df06d9e9cc65e74e

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks