General

  • Target

    6e6016e0aa819a1112f3cce9641f49de_JaffaCakes118

  • Size

    746KB

  • Sample

    240524-nrjf6sfd79

  • MD5

    6e6016e0aa819a1112f3cce9641f49de

  • SHA1

    d3bd4ca0e4f8d254f4ff72749d5bb8dd47a96ab2

  • SHA256

    a970113532fad3483e388363d4cd496e0917dd52d42184661616886024c22094

  • SHA512

    9523692bd97bfff175a76783609afb116ab3d0a514f3dc6df5e4c0653eefa54735c730c660cce99f6ae49fc5a2f2f0186136e85820672f7901e3fe66de12b788

  • SSDEEP

    12288:b2m9mygck7g4++RWR7imOxL80hHtlYLk5gLAnMYB7R8N6NEn:y2TgBtmRfOV3HtmLkuch1GiU

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    qmzaxyB9

Targets

    • Target

      6e6016e0aa819a1112f3cce9641f49de_JaffaCakes118

    • Size

      746KB

    • MD5

      6e6016e0aa819a1112f3cce9641f49de

    • SHA1

      d3bd4ca0e4f8d254f4ff72749d5bb8dd47a96ab2

    • SHA256

      a970113532fad3483e388363d4cd496e0917dd52d42184661616886024c22094

    • SHA512

      9523692bd97bfff175a76783609afb116ab3d0a514f3dc6df5e4c0653eefa54735c730c660cce99f6ae49fc5a2f2f0186136e85820672f7901e3fe66de12b788

    • SSDEEP

      12288:b2m9mygck7g4++RWR7imOxL80hHtlYLk5gLAnMYB7R8N6NEn:y2TgBtmRfOV3HtmLkuch1GiU

    • 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.

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

    • 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