General

  • Target

    Delivery Note for Shipment.zip

  • Size

    431KB

  • Sample

    211021-g8cavsagfm

  • MD5

    958fe4de1a07bf7885a5ad124a921c87

  • SHA1

    f56b0dfbf74522f113f668c59edd8257258dea59

  • SHA256

    1d5b1b0bb4782466a4fa285be8d5b5437a6e0321849bdf3436883d70d7419ae5

  • SHA512

    2685f3c7b952dc486b5aea77ba0b54096a9cb000e3c385dbcb5775771e94d737fe11c8a51b46957d107586c518fc7a4adccbef263c16ddb43acf9074fd92a259

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    mail.prinutrition.com
  • Port:
    587
  • Username:
    forrest@prinutrition.com
  • Password:
    forrest

Targets

    • Target

      Delivery Note for Shipment.exe

    • Size

      492KB

    • MD5

      5ded4d74f7761520b4a596c10ea0496a

    • SHA1

      ba488a543916b5571919c6fc350aa5cb0cf1e216

    • SHA256

      cf81dcc1fa4f341c9cbbee1abbd1b5a508892b580139db90d857cb30cfdd2b98

    • SHA512

      15765f7f11355937ee7f783e8591d35dfd9605fee5117da892db92de4d64e891d61b780787033aae1168be3537820a9a58cdbc8c2ef839415a898c800c6d9fd8

    • AgentTesla

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

    • AgentTesla Payload

    • 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

    • 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