General

  • Target

    prove of payment 7312020.exe

  • Size

    739KB

  • Sample

    200731-v38zs3yabn

  • MD5

    8a02fb8903f348fb485c76935f6332f3

  • SHA1

    f52c8094e53d58ad71058a1740c7a7d8b216977b

  • SHA256

    67a641524568fcafd0347283ea8cb1eb2a4615ce4034b34ffd2471848aa69082

  • SHA512

    f530d1ac643c84beb84f82f2e2d70890d9e0222114b4b02495d495453b9441622b560fb8bf6360d9ea6276861eecab3210abe3530a31a0ed5f8b52e8429366b1

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.bnb-spa.com
  • Port:
    587
  • Username:
    ambibros@bnb-spa.com
  • Password:
    tPo!47:glt$E

Targets

    • Target

      prove of payment 7312020.exe

    • Size

      739KB

    • MD5

      8a02fb8903f348fb485c76935f6332f3

    • SHA1

      f52c8094e53d58ad71058a1740c7a7d8b216977b

    • SHA256

      67a641524568fcafd0347283ea8cb1eb2a4615ce4034b34ffd2471848aa69082

    • SHA512

      f530d1ac643c84beb84f82f2e2d70890d9e0222114b4b02495d495453b9441622b560fb8bf6360d9ea6276861eecab3210abe3530a31a0ed5f8b52e8429366b1

    • AgentTesla

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

    • AgentTesla Payload

    • 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.

    • Adds Run key to start application

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Execution

Scheduled Task

1
T1053

Persistence

Registry Run Keys / Startup Folder

1
T1060

Scheduled Task

1
T1053

Privilege Escalation

Scheduled Task

1
T1053

Defense Evasion

Modify Registry

1
T1112

Credential Access

Credentials in Files

3
T1081

Discovery

System Information Discovery

1
T1082

Collection

Data from Local System

3
T1005

Tasks