General

  • Target

    Y6YUOzu5ynWpiPp.exe

  • Size

    738KB

  • Sample

    210129-fl48gp9g8s

  • MD5

    634e050470e5dd1bbe3a70eb8e728246

  • SHA1

    545edebaf3e37197a4fcc75b4e0c2ee0af225ef2

  • SHA256

    6eb0affd63b0d85be603948881fc6b643103e96e3f68acf1350969e8d09cc7e1

  • SHA512

    f3085d7193a7ecd74f26d650a2ad56d4b66fc81ef2928e2c413438775deb3d27cc5e22ca0f0fc94700f10c8456de56c1ab745c20b2b69cee11ff73e0d4f52179

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yatchbabara.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    j$Mk$NE7

Targets

    • Target

      Y6YUOzu5ynWpiPp.exe

    • Size

      738KB

    • MD5

      634e050470e5dd1bbe3a70eb8e728246

    • SHA1

      545edebaf3e37197a4fcc75b4e0c2ee0af225ef2

    • SHA256

      6eb0affd63b0d85be603948881fc6b643103e96e3f68acf1350969e8d09cc7e1

    • SHA512

      f3085d7193a7ecd74f26d650a2ad56d4b66fc81ef2928e2c413438775deb3d27cc5e22ca0f0fc94700f10c8456de56c1ab745c20b2b69cee11ff73e0d4f52179

    • 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.

    • 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

Tasks