General

  • Target

    Proformes invoice #09-14-2021.rar

  • Size

    397KB

  • Sample

    210915-hn8c8sdagm

  • MD5

    5ec6caa22367eb76377f9c3e86eb45bc

  • SHA1

    f6771800dddfce50c370e63a7e00292cd977f30d

  • SHA256

    ae1c181642c43b3bb914fcf45a88a2e6ca694e8a4f26b6f01c335b52e9ba7c1f

  • SHA512

    8b534e9c87c23ee99af5297b282bb87db66d67473d416c1adb99c12495d35a5d974260889cf564e1ccdcd035332ee754715caca4493ca49a76cc5e6e1edcf6f7

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.outlook.com
  • Port:
    587
  • Username:
    in23529@outlook.com
  • Password:
    Godisgreat0803

Targets

    • Target

      Proforme invoice.exe

    • Size

      1003KB

    • MD5

      e06203fc38f6e1feeebbfda689a3c3ba

    • SHA1

      eeeb9935a650e41711c99675f3f579610391b9b3

    • SHA256

      c9fc6e398381a3152e36eec50f7157bde0a38462bd3345256487d9ab08eb6acc

    • SHA512

      856f03489826a27e23961e35ada7e223b1f933522ed2c81a06685a3b6a328b1a71490c64d6981d72f1d64890ddf6d69f3ac4bd3b5e02e860a6fa697ad744941e

    • 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