General

  • Target

    3fa704055adc942da4b007babceeffbc_JaffaCakes118

  • Size

    399KB

  • Sample

    240330-t1q59shg21

  • MD5

    3fa704055adc942da4b007babceeffbc

  • SHA1

    9505a1601f65f227167aafee101c1dd042e8d3eb

  • SHA256

    252000fc9c9a045eaf95df97586560bdd0c54dccb2de64fe2197d0a4b4069b0b

  • SHA512

    8ebf40c90f7c853a4c5ccc68becf50ff31ff4188188c08066810ff1d0ed063c6cc6f5223982ca0f277ee9450b49405d65dfe593ef32653fa1b184b1d3d024601

  • SSDEEP

    12288:8gSB31kgvUjSkSMm4BrxhLGEdylu5BqdlIxH:gB3GgcjSCm4pxceUufMl

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.lahaciendamontericogrande.com.pe
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    e$$

Targets

    • Target

      3fa704055adc942da4b007babceeffbc_JaffaCakes118

    • Size

      399KB

    • MD5

      3fa704055adc942da4b007babceeffbc

    • SHA1

      9505a1601f65f227167aafee101c1dd042e8d3eb

    • SHA256

      252000fc9c9a045eaf95df97586560bdd0c54dccb2de64fe2197d0a4b4069b0b

    • SHA512

      8ebf40c90f7c853a4c5ccc68becf50ff31ff4188188c08066810ff1d0ed063c6cc6f5223982ca0f277ee9450b49405d65dfe593ef32653fa1b184b1d3d024601

    • SSDEEP

      12288:8gSB31kgvUjSkSMm4BrxhLGEdylu5BqdlIxH:gB3GgcjSCm4pxceUufMl

    • AgentTesla

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

    • AgentTesla payload

    • Drops file in Drivers directory

    • 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