General

  • Target

    43A1CCC78A40FF94F6A5DA52E47FC33B2243A7BF71C02FE272185A500661BB51

  • Size

    552KB

  • Sample

    221123-r173nsaa95

  • MD5

    763bffa9a716d1c3357d061353271e16

  • SHA1

    556f02daa1928509c0dcef6a3159b74c4cd869c0

  • SHA256

    43a1ccc78a40ff94f6a5da52e47fc33b2243a7bf71c02fe272185a500661bb51

  • SHA512

    9ff6ac0c52ed7c6851337f9fbbe75e17b2a9fc3f0bed3bb63600641f88e2066cddf3fbf2a5f438db08ab90ad4c14cb15d207388c1f5498017891510c64b5e846

  • SSDEEP

    12288:PdB4O4mjgE1LKJWQXoN6OGTcWX5iK0YX6MvZ+OdNRtWNTkNEQxdj5N:PL4ZmjjLKAQ7UWpEuzR+OPDqjkp5N

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.nec-eg.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    #i!NeC0O&12

Extracted

Family

agenttesla

Credentials

Targets

    • Target

      RERFQ_Lenz Global Imports Inc PDF.exe

    • Size

      718KB

    • MD5

      11649002c8bd0b62bf091379de7040be

    • SHA1

      f4576b8a631679c62985e905065b5eb99d953bff

    • SHA256

      b20c5f61dc3dbeb595d57459949629583768fc6e9088b50e4f1844298d162b20

    • SHA512

      9ae414a4fe9c9df41fe26fc2adab305503f9b6ebe92bfb2ee679eea03d0f1359026815f51bd03a08f40dfb49349c5170d3c13e5e0adc946f8f31cd0c4a8eb07a

    • SSDEEP

      12288:gHNUgpH7ELJGfyctFWKrx3E9fxs7MMgQHZJbnm6YQgcpCYrN:gtUw6fcXmM7yQHZJ6r1ICQ

    • AgentTesla

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

    • 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