General

  • Target

    doc 303_enquiry.bin

  • Size

    814KB

  • Sample

    221003-k7xf7ahchn

  • MD5

    a272f0c47ecc73bafa2be978aaa52f2c

  • SHA1

    4f56b416e11b9945e3fe333ce5f253138d00582d

  • SHA256

    3002bb72af39ae153d59ae00303781c4c46e0bce963ff41191a9416aac993498

  • SHA512

    093ebcf4ec96452e70762a4b742dc1a7eddc00eb2c356867765066d016ec8481222c0d6ae74a3d6242f39207cc3163ba1c2998940cb9fe0079fa822af05a9577

  • SSDEEP

    12288:ceBHaPSRzHs5qyLROBR6C/mCl5T3JsEjbj6aY19cctHJ85:ZHXRzMcydOBRtN95s6e9zQ

Malware Config

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.hebcongroup.com
  • Port:
    587
  • Username:
    construction@hebcongroup.com
  • Password:
    Hebron4567##@

Targets

    • Target

      doc 303_enquiry.bin

    • Size

      814KB

    • MD5

      a272f0c47ecc73bafa2be978aaa52f2c

    • SHA1

      4f56b416e11b9945e3fe333ce5f253138d00582d

    • SHA256

      3002bb72af39ae153d59ae00303781c4c46e0bce963ff41191a9416aac993498

    • SHA512

      093ebcf4ec96452e70762a4b742dc1a7eddc00eb2c356867765066d016ec8481222c0d6ae74a3d6242f39207cc3163ba1c2998940cb9fe0079fa822af05a9577

    • SSDEEP

      12288:ceBHaPSRzHs5qyLROBR6C/mCl5T3JsEjbj6aY19cctHJ85:ZHXRzMcydOBRtN95s6e9zQ

    • AgentTesla

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

    • Drops file in Drivers directory

    • 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 v6

Persistence

Registry Run Keys / Startup Folder

1
T1060

Defense Evasion

Modify Registry

2
T1112

Install Root Certificate

1
T1130

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks