General

  • Target

    QUOTE NS-0885995 30062020.exe

  • Size

    702KB

  • Sample

    200630-dblzyqldra

  • MD5

    385c4324119139917e9582184bd33c2a

  • SHA1

    ec03b8dfb45141ac9079bf481f83313139531fcb

  • SHA256

    8d3e005de2a2653aa88e129673e8996751fbeb0628a2710fe0081e424a13d4ff

  • SHA512

    17f444cdf2252ba827cf99fec70fcc459d4c95e96de47ec99c90a083beb9a2267b7b47bd0af8e40dca6055934e584a5626c1a47de3debba3f946126c6a160e06

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    smtp.yandex.com
  • Port:
    587
  • Username:
    forwd.rate2020@yandex.com
  • Password:
    @infinitY1234

Targets

    • Target

      QUOTE NS-0885995 30062020.exe

    • Size

      702KB

    • MD5

      385c4324119139917e9582184bd33c2a

    • SHA1

      ec03b8dfb45141ac9079bf481f83313139531fcb

    • SHA256

      8d3e005de2a2653aa88e129673e8996751fbeb0628a2710fe0081e424a13d4ff

    • SHA512

      17f444cdf2252ba827cf99fec70fcc459d4c95e96de47ec99c90a083beb9a2267b7b47bd0af8e40dca6055934e584a5626c1a47de3debba3f946126c6a160e06

    • 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