General

  • Target

    0ac910bb0c406432b2c9d22dc2b6038aa44f282ec4244d5ae47a7b35820dbedb

  • Size

    536KB

  • Sample

    220521-byp63scfg7

  • MD5

    dd8d3b79211b90839a9d5002e0b0bc07

  • SHA1

    651727edff0ae7c746f1d674b7fac8dad7d68c01

  • SHA256

    0ac910bb0c406432b2c9d22dc2b6038aa44f282ec4244d5ae47a7b35820dbedb

  • SHA512

    bda2e41dc6d48409824722df9ef950e1fba83a194766132440bdf9907b522a9f805d89975d508df1e2100addc7ed391d74e1fbd7afc32e8d8c04c2d8f46dc84e

Malware Config

Extracted

Family

agenttesla

Credentials

  • Protocol:
    smtp
  • Host:
    webmail.basefirms.name
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Michael126411790

Targets

    • Target

      PO-055MAY.exe

    • Size

      651KB

    • MD5

      4764f309bdf491747a14f235ffb64dcb

    • SHA1

      41d7678b2da67f53fd00991cfa386cc84de0b1ce

    • SHA256

      d5819b520b3e566b31f7aaf830c521264b8b3bf66b7d85c729537d138e042b81

    • SHA512

      c3ad68790d04b263379ee3702bcc85320367cc604abc70755bf7cdc91e58c1831ab5e89b043bfefcf0e1584c7e47baf6d5ca0f4acda98378bb27c0b128135795

    • AgentTesla

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

    • AgentTesla Payload

    • ReZer0 packer

      Detects ReZer0, a packer with multiple versions used in various campaigns.

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

MITRE ATT&CK Matrix ATT&CK v6

Credential Access

Credentials in Files

3
T1081

Collection

Data from Local System

3
T1005

Email Collection

1
T1114

Tasks