General

  • Target

    e00d0d70ba75046df18f78fbb2943738b3cb44dfed0a7e11cfd11f16e69bf96d

  • Size

    466KB

  • Sample

    220521-ny4qpaech5

  • MD5

    665a13cd75e65d45969663d463fe45fe

  • SHA1

    3ea07dd71e0a6245ef7d03e1f0d219c1eb55831c

  • SHA256

    e00d0d70ba75046df18f78fbb2943738b3cb44dfed0a7e11cfd11f16e69bf96d

  • SHA512

    f519cb07d720e2b67c06f67d6e389df9721cd0c7f805d8b42d78ecf7627e058fc568d2de0e7793aa6cb0c8272df74575ea0d2d0fce3f80c4d172344822c17ea4

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fridec.com
  • Port:
    587
  • Username:
    montse.varas@fridec.com
  • Password:
    @zOmvs]eL!$*

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.fridec.com
  • Port:
    587
  • Username:
    montse.varas@fridec.com
  • Password:
    @zOmvs]eL!$*

Targets

    • Target

      2020.05.8 - 7779 7501 1294.exe

    • Size

      509KB

    • MD5

      c3e5e47de044708a5db025ee0ce0a5e0

    • SHA1

      267099acf5da2bd39600802e11e8f8987659d5e1

    • SHA256

      69fd444f0eb7bb59be2d6c832b345ec4ba7dfbb1195611770339f43cfd4bd19c

    • SHA512

      28635b697cb8d8f926418b273c20820c331e1735e719e42d7fec4bd88bdff11fe0cad23ef698ffb1be2a471a3b76c52b03a6e8a0a0cc62684b9bb3bb4335858c

    • AgentTesla

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

    • CoreEntity .NET Packer

      A .NET packer called CoreEntity where it has embedded the payload as a BitMap object which is later decrypted.

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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 v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks