General

  • Target
    Nuevo pedido de mercanc�as adjuntas.uu
  • Size 642KB
  • Sample261028-s17btad17k
  • SHA256 a97aebfb9e2d5401ee4ba81adf96ad67fbc09f073b50c5a2f5ceda49e3d55a48
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

Version
  • 5.0

C2
  • vallxx.duckdns.org:4689

Mutex
  • LZBDpGU2NGqFwoUo

Attributes
  • install_file

    USB.exe

aes.plain

Extracted

Family
  • agenttesla

Credentials
  • Protocol

    ftp

  • Host

    ftp://ftp.brightlearning.com.my

  • Port

    21

  • Password

    ,Aept[$)OmwWgF+Y

Targets

    • Target
      Nuevo pedido de mercancías adjuntas.exe
    • Size 767KB
    • SHA256 28dcad782b408d7847f2e9bab490fbb17e3adb7a2632b0e4fe5da498bd24b77e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: AgentTesla

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

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • .NET Reactor proctector

      Detects an executable protected by an unregistered version of Eziriz's .NET Reactor.

    • Checks computer location settings

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

    • Executes dropped EXE

    • 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.

    • Accesses Microsoft Outlook profiles

    • Suspicious use of SetThreadContext

    • UPX packed file

      Detects executables packed with UPX/modified UPX open source packer.

MITRE ATT&CK Enterprise v16

Tasks