General

  • Target

    Inquiry_________________________________________________________________________________________.zip

  • Size

    3KB

  • Sample

    221003-k7tqasfhd9

  • MD5

    8d9a63b6e86fb4940b5ed91e28b9b875

  • SHA1

    6f6f219ebc82f42f6b0f94e79927a46de1eecf1c

  • SHA256

    7083502f034943a79c2166cf04dae9a5f08e47f4cd1c32b642f05e8e00a4b3d6

  • SHA512

    904c2dd133dfa32df1d4915a38cd65aa9479cfca2057eaed33f90b49abd87ec56b5349abb76c9385a173d6ddcf7fcbc0a451921529f7421789409efc52b20ca9

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.nisusenergy.com
  • Port:
    587
  • Username:
    nisus@nisusenergy.com
  • Password:
    Nisus@64787

Targets

    • Target

      Inquiry_________________________________________________________________________________________.exe

    • Size

      7KB

    • MD5

      d5e6d91cbd4ae175f42b367d9c93d518

    • SHA1

      b4e93a6d5b063db5acdb77548d088b3426a3b1d7

    • SHA256

      2771e93e3caecd5a636083b4992aba9c96c839958f148455754f3de1ba7b517b

    • SHA512

      fd3f3bb993469a55d70d77c8dc662b8667290c886fc6c312cae2a010a05887c5bc2912c35d6366ef67ff3b773f051331986862cbdd30172717cb33030eea0edb

    • SSDEEP

      96:nO1eHUD8npvUJS8yWLHyLXMIzlIRzfsRQ+pw2vKDedqS7zNtR:O1HDspMrLHyLXpzStfV+plCDehdX

    • AgentTesla

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

    • 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

    • Adds Run key to start application

MITRE ATT&CK Matrix ATT&CK v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

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