General

  • Target

    f97d0ae7531beedcfad2e964af19f3f5_JaffaCakes118

  • Size

    781KB

  • Sample

    240419-exjvfsge53

  • MD5

    f97d0ae7531beedcfad2e964af19f3f5

  • SHA1

    657e21b9a30fd419b287fd931a7ec9bb88f22f7e

  • SHA256

    370295c259393df0902be7cdafd933d97fa60e3a6c592c64085b30dddcedde6c

  • SHA512

    f782eb9777448bc6affe310254ae44de7f27ad2166ea6d0491b83576548aa597f37c824559df783225758a5c63b9de5bb992d432631b566089ee20811b7e441d

  • SSDEEP

    12288:KJRJ5Gs4WZ/j0CQo3UeHw95flxavLzfQlNJekIGdzRSFJRT+b+dS:+RTGsTZ/gx9P2XIPJekTzRmJRT3w

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.boikgold.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    iskraines@2017

Targets

    • Target

      f97d0ae7531beedcfad2e964af19f3f5_JaffaCakes118

    • Size

      781KB

    • MD5

      f97d0ae7531beedcfad2e964af19f3f5

    • SHA1

      657e21b9a30fd419b287fd931a7ec9bb88f22f7e

    • SHA256

      370295c259393df0902be7cdafd933d97fa60e3a6c592c64085b30dddcedde6c

    • SHA512

      f782eb9777448bc6affe310254ae44de7f27ad2166ea6d0491b83576548aa597f37c824559df783225758a5c63b9de5bb992d432631b566089ee20811b7e441d

    • SSDEEP

      12288:KJRJ5Gs4WZ/j0CQo3UeHw95flxavLzfQlNJekIGdzRSFJRT+b+dS:+RTGsTZ/gx9P2XIPJekTzRmJRT3w

    • AgentTesla

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

    • AgentTesla payload

    • 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.

    • Accesses Microsoft Outlook profiles

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Persistence

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Defense Evasion

Modify Registry

1
T1112

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Collection

Data from Local System

4
T1005

Email Collection

1
T1114

Tasks