Analysis

  • max time kernel
    114s
  • max time network
    104s
  • platform
    windows10_x64
  • resource
    win10v200722
  • submitted
    05/08/2020, 11:41

General

  • Target
    FACTURA_FISCALA-RO8177382-64083983092PDF.exe
  • Size 1.2MB
  • Sample200805-1dfehrjbpn
  • SHA256 5810c00fc828c779ee78f1e445cba199eaaadb90f6febdfc094c3f72b3ea5b8a
  • MD5 SHA1 SHA512

Malware Config

Extracted

Credentials
  • Protocol

    ftp

  • Host

    ftp.solarcenter.ro

  • Port

    21

  • Password

    G,*C8w!FpT6vRSv%AL{k~wATNN@ossyguru@00998877;,,z_sFo6BO5

Signatures

  • Suspicious use of AdjustPrivilegeToken 2 IoCs
  • Suspicious use of WriteProcessMemory 8 IoCs
  • Suspicious use of SetThreadContext 1 IoCs
  • Reads user/profile data of local email clients 2 TTPs

    Email clients store some user data on disk where infostealers will often target it.

  • Reads user/profile data of web browsers 2 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Suspicious behavior: EnumeratesProcesses 5 IoCs
  • AgentTesla Payload 3 IoCs
  • Reads data files stored by FTP clients 2 TTPs

    Tries to access configuration files associated with programs like FileZilla.

  • AgentTesla

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\FACTURA_FISCALA-RO8177382-64083983092PDF.exe
    "C:\Users\Admin\AppData\Local\Temp\FACTURA_FISCALA-RO8177382-64083983092PDF.exe"
    1⤵
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    • Suspicious use of SetThreadContext
    • Suspicious behavior: EnumeratesProcesses
    PID:728
    • C:\Users\Admin\AppData\Local\Temp\FACTURA_FISCALA-RO8177382-64083983092PDF.exe
      "C:\Users\Admin\AppData\Local\Temp\FACTURA_FISCALA-RO8177382-64083983092PDF.exe"
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious behavior: EnumeratesProcesses
      PID:3948

Network

        MITRE ATT&CK Enterprise v6

        Replay Monitor

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        Downloads

        memory/3948-2-0x0000000000400000-0x000000000044C000-memory.dmp