General

  • Target

    e-dekont_html.exe

  • Size

    610KB

  • Sample

    240325-typjnach25

  • MD5

    66e196c15ec46d1e7526b1c48da1b72a

  • SHA1

    f9b2dc950a21c296aaf57a013c3f4e93f8ebbad2

  • SHA256

    8c5c6b99a06119e1064bfcf3f53cc66150751c0969dc37dc3603eef5535a8af9

  • SHA512

    f8d8241d5af76033ba83caff888d325285110356b8e35175260a912cf416670465d218d7c550b9f15cc969bc2f53381cb8e41dd4f9a859cae65e4df600b6f851

  • SSDEEP

    12288:yRfHhxVzsP5wzyNwv5gs3MjeNPq0wKrCHrT3GQzRVPUYvV3L2dXEg:yXxU5wzaktc4PEWCHfGQzbPfvFydXEg

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    cp8nl.hyperhost.ua
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    7213575aceACE@#$

Targets

    • Target

      e-dekont_html.exe

    • Size

      610KB

    • MD5

      66e196c15ec46d1e7526b1c48da1b72a

    • SHA1

      f9b2dc950a21c296aaf57a013c3f4e93f8ebbad2

    • SHA256

      8c5c6b99a06119e1064bfcf3f53cc66150751c0969dc37dc3603eef5535a8af9

    • SHA512

      f8d8241d5af76033ba83caff888d325285110356b8e35175260a912cf416670465d218d7c550b9f15cc969bc2f53381cb8e41dd4f9a859cae65e4df600b6f851

    • SSDEEP

      12288:yRfHhxVzsP5wzyNwv5gs3MjeNPq0wKrCHrT3GQzRVPUYvV3L2dXEg:yXxU5wzaktc4PEWCHfGQzbPfvFydXEg

    • AgentTesla

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

    • UAC bypass

    • Windows security bypass

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Windows security modification

    • Adds Run key to start application

    • Checks whether UAC is enabled

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks