General

  • Target
    SOLICITUD DE PRESUPUESTO - 109054456656.uu
  • Size 1.1MB
  • Sample261020-rf92ja1z3n
  • SHA256 b2b5c46405934e817678ce0e91debad07e6e68bfc0805698d684f05ce115e571
  • 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
  • darkcloud

Version
  • 5.0

Attributes

Targets

    • Target
      SOLICITUD DE PRESUPUESTO - 109054456656.JS
    • Size 3.9MB
    • SHA256 1245b4d1aeefaa988eb300c0eb0fcbcbd1f5ddc80d5039ba79382839fffe36f4
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: DarkCloud

      An information stealer written in Visual Basic.

    • Family: Remcos

      Remcos is a closed-source remote control and surveillance software.

    • Family: WarzoneRat, AveMaria

      WarzoneRat is a native RAT developed in C++ with multiple plugins sold as a MaaS.

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads WinSCP keys stored on the system

      Tries to access WinSCP stored sessions.

    • 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 NtSetInformationThreadHideFromDebugger

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks