General

  • Target

    RECEIPT.bin.zip

  • Size

    2.1MB

  • Sample

    221205-sa8rysdg61

  • MD5

    0259a842b7df5eca03d4d75085c42ef6

  • SHA1

    1d05d4c22f7974c4a5b3fb7c9c7610677e5a1e22

  • SHA256

    17f326ee3af7c27e76fb668611fcb6b2fadb35e3cac8654f700bff297248a73c

  • SHA512

    826d8a933800bcb7abc655663fbfb67eae4d70dbf1a7da40e7ac98fcb8da227d5cb81a2185b1ebb658743f227b672ff0a30b1da4d3de8fbc958db465a7571ef0

  • SSDEEP

    49152:HU/VTAkSdUnTrRa0XG66c6Ks/0afOWXJzLR7PjVWI0:0/kdUnTNSiDamkJzljVD0

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cimarcochin.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Kelechikelechi1@

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    mail.cimarcochin.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Kelechikelechi1@

Targets

    • Target

      RECEIPT.bin

    • Size

      2.1MB

    • MD5

      e417b8a4c6d594141f1f6b6183dfaba3

    • SHA1

      7183c041eea1f07034638221f89cc7f2aa526b7b

    • SHA256

      6de1000973d391deda240ae5b0c2bd44a7f73791c4ea9f535f76a458747a3f36

    • SHA512

      6c4d2458df9a390ccc415868c22228eb10d78d908adb742efbf363a514ca7bf35987e10c35d6ab063a3016a5b7e8eb5686e24b8b4057ea46d9ebb583841eb090

    • SSDEEP

      49152:jHbIQXMdQfA6HBYYjsKgkrBxIKkxZCEosQw/TYL:bboS46HyYckrTkP0jc

    • 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 Enterprise v6

Tasks