General

  • Target

    6bf725517cae8667409c5b539cd7caa4_JaffaCakes118

  • Size

    400KB

  • Sample

    240523-xqteescf71

  • MD5

    6bf725517cae8667409c5b539cd7caa4

  • SHA1

    92a01c0d9056b3859bd722bdcfac687a849d2c6b

  • SHA256

    6f3662d95219580e6b62a2db3e0a255f3111fe12c668b5695450e50b910089f7

  • SHA512

    9599f6fe39659943787d8eb5e056bccd2e6c423d0378c6b32cca5c8f4e1e9925ad00b873e34e3c37efec5d952a1f72e2e9b4696cff3f6009c7069dbe666f5420

  • SSDEEP

    6144:KJZj3XBjlkq27zgxRbWvW6Fy0s4kplyDyMOWTXTLktN:OzZo7cvb8ZA0BrDyMOKTA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.emilaina.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    #Q1hNgro%i#0

Targets

    • Target

      6bf725517cae8667409c5b539cd7caa4_JaffaCakes118

    • Size

      400KB

    • MD5

      6bf725517cae8667409c5b539cd7caa4

    • SHA1

      92a01c0d9056b3859bd722bdcfac687a849d2c6b

    • SHA256

      6f3662d95219580e6b62a2db3e0a255f3111fe12c668b5695450e50b910089f7

    • SHA512

      9599f6fe39659943787d8eb5e056bccd2e6c423d0378c6b32cca5c8f4e1e9925ad00b873e34e3c37efec5d952a1f72e2e9b4696cff3f6009c7069dbe666f5420

    • SSDEEP

      6144:KJZj3XBjlkq27zgxRbWvW6Fy0s4kplyDyMOWTXTLktN:OzZo7cvb8ZA0BrDyMOKTA

    • AgentTesla

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

    • AgentTesla payload

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

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