General

  • Target

    087496eb09efe744abce40d0cd6ddeb6_JaffaCakes118

  • Size

    476KB

  • Sample

    240328-r86vksaa25

  • MD5

    087496eb09efe744abce40d0cd6ddeb6

  • SHA1

    23e516d31e2379fde8fef36db25cc9267343f30a

  • SHA256

    d8c845678c36f965bdb5a99b36e8eb9f92a71b24e5b4d3a73611f0087449313c

  • SHA512

    ee0017f8e503f652779c902a636de2e7ab41dfd83afd37b4663dd2d093ed6e833eb2d3fd1b39c59caa7c8343073d44129ea49f28503552c74c17b4fb4e9f090b

  • SSDEEP

    12288:fGgS6Dg4R80vRL7Q7JpgvQIG1rqiQ4qIZDJMxUB5/xU3pnaOUg7A72A:eIYFrhQR8Mx2pxgpaOZvA

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.davaobay.com.ph
  • Port:
    587
  • Username:
    raeburngonzaga@davaobay.com.ph
  • Password:
    p@ssw0rd

Targets

    • Target

      087496eb09efe744abce40d0cd6ddeb6_JaffaCakes118

    • Size

      476KB

    • MD5

      087496eb09efe744abce40d0cd6ddeb6

    • SHA1

      23e516d31e2379fde8fef36db25cc9267343f30a

    • SHA256

      d8c845678c36f965bdb5a99b36e8eb9f92a71b24e5b4d3a73611f0087449313c

    • SHA512

      ee0017f8e503f652779c902a636de2e7ab41dfd83afd37b4663dd2d093ed6e833eb2d3fd1b39c59caa7c8343073d44129ea49f28503552c74c17b4fb4e9f090b

    • SSDEEP

      12288:fGgS6Dg4R80vRL7Q7JpgvQIG1rqiQ4qIZDJMxUB5/xU3pnaOUg7A72A:eIYFrhQR8Mx2pxgpaOZvA

    • 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