General

  • Target

    RECIEPT.exe

  • Size

    583KB

  • Sample

    230402-xjmcjahh97

  • MD5

    379657ca31d7cdbcec7a305607f869ba

  • SHA1

    930cbd45cabb49579066f86572ccb5de68962a46

  • SHA256

    e06ad57d007c9e4b7346de36d29581d82709419dab5ba2a80e578a771d71ecf8

  • SHA512

    950bb916d4d003e1ffdc97bc5b22cab2e1db4c020364e94ae4da699e06a70b63d590b59fb8c35437e940071b6894357151fc2e766249f4413ba19510f3fcdc36

  • SSDEEP

    12288:OO0oCm1IeGdvXWZqWWsYtYWg4bkVjafdXpkRvJkO8zi9:Cr9euvaV2dX6veO8zi9

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.keefort.com.ec
  • Port:
    587
  • Username:
    ssg@keefort.com.ec
  • Password:
    u=Wa6eChU3nj
  • Email To:
    blanca@williamsalfredlogs.com

Targets

    • Target

      RECIEPT.exe

    • Size

      583KB

    • MD5

      379657ca31d7cdbcec7a305607f869ba

    • SHA1

      930cbd45cabb49579066f86572ccb5de68962a46

    • SHA256

      e06ad57d007c9e4b7346de36d29581d82709419dab5ba2a80e578a771d71ecf8

    • SHA512

      950bb916d4d003e1ffdc97bc5b22cab2e1db4c020364e94ae4da699e06a70b63d590b59fb8c35437e940071b6894357151fc2e766249f4413ba19510f3fcdc36

    • SSDEEP

      12288:OO0oCm1IeGdvXWZqWWsYtYWg4bkVjafdXpkRvJkO8zi9:Cr9euvaV2dX6veO8zi9

    • AgentTesla

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

    • Checks computer location settings

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

    • 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

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks