General

  • Target

    4114e15de65a9ec4b8eacc3ef60804bb_JaffaCakes118

  • Size

    525KB

  • Sample

    240330-wnanvsbh85

  • MD5

    4114e15de65a9ec4b8eacc3ef60804bb

  • SHA1

    eb450264abe3b3ed70167f267cb974ea13d60260

  • SHA256

    d81e35754aa34fb2fd0b850b4f1d8080a64a8408623303d3a8abecea5b0a30de

  • SHA512

    256e27521a7008896808a798222025769a00aa155148e843a959c969bb9b7e369a4d57f5d1605fe4c1d1f0704c675df638eea032f602c51d1fb78e2af8e6805c

  • SSDEEP

    12288:TqjW1t5eTrNd9jomHgugG3ShVY9gzkrtqpWOEsb/hyDVebA:TqjW1t50rNd9fblsb/hyDVeb

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.mail.ru
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    PxhrKDkvikRcSaP2dkv9

Targets

    • Target

      4114e15de65a9ec4b8eacc3ef60804bb_JaffaCakes118

    • Size

      525KB

    • MD5

      4114e15de65a9ec4b8eacc3ef60804bb

    • SHA1

      eb450264abe3b3ed70167f267cb974ea13d60260

    • SHA256

      d81e35754aa34fb2fd0b850b4f1d8080a64a8408623303d3a8abecea5b0a30de

    • SHA512

      256e27521a7008896808a798222025769a00aa155148e843a959c969bb9b7e369a4d57f5d1605fe4c1d1f0704c675df638eea032f602c51d1fb78e2af8e6805c

    • SSDEEP

      12288:TqjW1t5eTrNd9jomHgugG3ShVY9gzkrtqpWOEsb/hyDVebA:TqjW1t50rNd9fblsb/hyDVeb

    • AgentTesla

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

    • AgentTesla payload

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • 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 Enterprise v15

Tasks