General

  • Target

    bank account.exe

  • Size

    780KB

  • Sample

    210728-dg7wa5nwmn

  • MD5

    a5640ac4a8b294df8ced6dfd0ca544f3

  • SHA1

    94fc2bc720e88f5f1bcab268fd441c3f640d63c3

  • SHA256

    c57c8d4d2e724683791c90f26d4499886ab0498688740b5433e1c4a36680564e

  • SHA512

    c49a3f261ee1832bc41d887bf0b195ea707a4eb4fd15f46bd3ec55329169ae97d1953338e736532219b483b2954f76545544eb1e7fc632ea78c48b31bb012fbd

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    Mail.jingtai.com.vn
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    truongtuyen2209

Targets

    • Target

      bank account.exe

    • Size

      780KB

    • MD5

      a5640ac4a8b294df8ced6dfd0ca544f3

    • SHA1

      94fc2bc720e88f5f1bcab268fd441c3f640d63c3

    • SHA256

      c57c8d4d2e724683791c90f26d4499886ab0498688740b5433e1c4a36680564e

    • SHA512

      c49a3f261ee1832bc41d887bf0b195ea707a4eb4fd15f46bd3ec55329169ae97d1953338e736532219b483b2954f76545544eb1e7fc632ea78c48b31bb012fbd

    • 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.

    • 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