General

  • Target

    6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380.exe

  • Size

    733KB

  • Sample

    240612-bzcblsxgqq

  • MD5

    3bc4385ad5555fc74e0f541700816d7e

  • SHA1

    647ee774f828346ca1058aee2c16e62c7ca3de77

  • SHA256

    6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380

  • SHA512

    3f2bd19e06ad5be36da12a89799d609e1e04f3e8be8788038fb92e40170de4d0e7e803a396897dc41cd98494d487cbd90a0a6056667400ca7250d4b1cbfb82d6

  • SSDEEP

    12288:FX0pxrV36Di8BtLGNluOrwHX1upARQdEU3zMYqGyc/Jb7WqUfsXONYlp7ElkR:aBFKIl2HlyARQdEU3AhQxbpUfsXyup7T

Malware Config

Extracted

Family

agenttesla

Credentials

Extracted

Credentials

  • Protocol:
    smtp
  • Host:
    zqamcx.com
  • Port:
    587
  • Username:
    [email protected]
  • Password:
    Methodman991

Targets

    • Target

      6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380.exe

    • Size

      733KB

    • MD5

      3bc4385ad5555fc74e0f541700816d7e

    • SHA1

      647ee774f828346ca1058aee2c16e62c7ca3de77

    • SHA256

      6f3edb7e9cefd209427147f4162e5dd3c87f48d12c6b4efb15c5a878ca049380

    • SHA512

      3f2bd19e06ad5be36da12a89799d609e1e04f3e8be8788038fb92e40170de4d0e7e803a396897dc41cd98494d487cbd90a0a6056667400ca7250d4b1cbfb82d6

    • SSDEEP

      12288:FX0pxrV36Di8BtLGNluOrwHX1upARQdEU3zMYqGyc/Jb7WqUfsXONYlp7ElkR:aBFKIl2HlyARQdEU3AhQxbpUfsXyup7T

    • AgentTesla

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

    • Detect packed .NET executables. Mostly AgentTeslaV4.

    • Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

    • Detects executables referencing Windows vault credential objects. Observed in infostealers

    • Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

    • Detects executables referencing many email and collaboration clients. Observed in information stealers

    • Detects executables referencing many file transfer clients. Observed in information stealers

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to modify Windows Defender settings to add exclusions for file extensions, paths, and processes.

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v15

Tasks