General

  • Target

    4313df6bee4e6025934ff76ed2f7c8924b85f71b029060eede7f66d4b96eb027

  • Size

    470KB

  • Sample

    220521-bbgw7abfc9

  • MD5

    4ce44f37fc25f9392670b5d66a6c6ac8

  • SHA1

    11aeb44c9cc2f68ff24f02f90d0b5807ec1fc1f2

  • SHA256

    4313df6bee4e6025934ff76ed2f7c8924b85f71b029060eede7f66d4b96eb027

  • SHA512

    b97bf725e36c25805716de625577f656aa41b2e566f4f456ac8006ae62ffc6243a9f44c6de088fc9fc6e177621303f19327457e2ccc71f57d6cb1387e64babc8

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    je12vi345

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.sardaplywood.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    je12vi345

Targets

    • Target

      FRtsWDxBpc96ZPs.exe

    • Size

      510KB

    • MD5

      6fa5d1729bcb93c460bd3bb3ebf53eb4

    • SHA1

      f6c9df5e9c8a6d19224967b85d87b54287563a9b

    • SHA256

      05568298144f10100f3882592a8be0a1754c579f581a3db6316d014c7f8ca8f3

    • SHA512

      1feb1e7d85aa0ae173f510b32b7d5ff1f2cc37b4d23888d6a8f9930f50d8953c11cd4cc363f09dd4393805ef917251ee2ccf28c52a236209207739ba06d91057

    • 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