General

  • Target

    f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72

  • Size

    822KB

  • Sample

    240430-b7g7tshc9z

  • MD5

    999e747ee26c9101883117b8a88d6a9c

  • SHA1

    c9fea49b73ec4f6047c5f556118b3e43ad64f9e6

  • SHA256

    f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72

  • SHA512

    730422262592049ac717501a94cf64bbde23d4a11df04aa26acd2c58170c3c161e9f24733f725455e76b9b4c9d71a5be4156869aebc6bd77ee3e46d1d44a864e

  • SSDEEP

    24576:UZmKWd7a44E29ZuF3jGiSxSmPIB/lofv7H5QVe6e:UZg7a4rw2G55QBc7oe6

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    us2.smtp.mailhostbox.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    dKjVwpK4 dKjVwpK4 dKjVwpK4

Targets

    • Target

      f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72

    • Size

      822KB

    • MD5

      999e747ee26c9101883117b8a88d6a9c

    • SHA1

      c9fea49b73ec4f6047c5f556118b3e43ad64f9e6

    • SHA256

      f4c7cd384e7e29160e58ff219d7c8791aa935821860cb859ff8c2197571bfb72

    • SHA512

      730422262592049ac717501a94cf64bbde23d4a11df04aa26acd2c58170c3c161e9f24733f725455e76b9b4c9d71a5be4156869aebc6bd77ee3e46d1d44a864e

    • SSDEEP

      24576:UZmKWd7a44E29ZuF3jGiSxSmPIB/lofv7H5QVe6e:UZg7a4rw2G55QBc7oe6

    • 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 WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v13

Execution

Scheduled Task/Job

1
T1053

Persistence

Scheduled Task/Job

1
T1053

Privilege Escalation

Scheduled Task/Job

1
T1053

Credential Access

Unsecured Credentials

4
T1552

Credentials In Files

3
T1552.001

Credentials in Registry

1
T1552.002

Discovery

Query Registry

1
T1012

System Information Discovery

2
T1082

Collection

Data from Local System

4
T1005

Tasks