General

  • Target

    inquiry.exe

  • Size

    1.1MB

  • Sample

    200630-1v5v1ph1tn

  • MD5

    634229321696c6c4eeea45af54e0bcb2

  • SHA1

    2f7181695e47f139f773795e41f56f69a1fa0b6f

  • SHA256

    69f0daa863cb586a1e2b00b6335bc69f7f06615b44b2f81bb5445d6912f6a80e

  • SHA512

    29427229aa3ef9304b729f9c19eeb58f6c954c5b5c7e37e07194e2031797544768a52097329f2258278a1bb1b4336c63c3b1bee76df4ca42a5f839be2fc77e38

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    jerryedward1@yandex.ru
  • Password:
    enugu042

Targets

    • Target

      inquiry.exe

    • Size

      1.1MB

    • MD5

      634229321696c6c4eeea45af54e0bcb2

    • SHA1

      2f7181695e47f139f773795e41f56f69a1fa0b6f

    • SHA256

      69f0daa863cb586a1e2b00b6335bc69f7f06615b44b2f81bb5445d6912f6a80e

    • SHA512

      29427229aa3ef9304b729f9c19eeb58f6c954c5b5c7e37e07194e2031797544768a52097329f2258278a1bb1b4336c63c3b1bee76df4ca42a5f839be2fc77e38

    • AgentTesla

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

    • AgentTesla Payload

    • Executes dropped EXE

    • Loads dropped DLL

    • 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

Persistence

Registry Run Keys / Startup Folder

1
T1060

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