General

  • Target
    888Cry55pto_InstantBoot_Signed.exe
  • Size 140.1MB
  • Sample260810-xxevlswdkf
  • SHA256 2911a6d2b2306644cbb01d5d2d2f982e23fece8d6cfcad2feba1430b38733277
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Extracted

Family
  • xworm

C2
  • 7326.info:2686

Attributes
  • install_file

    USB.exe

  • localhost

    127.0.0.1

Targets

    • Target
      888Cry55pto_InstantBoot_Signed.exe
    • Size 140.1MB
    • SHA256 2911a6d2b2306644cbb01d5d2d2f982e23fece8d6cfcad2feba1430b38733277
    • MD5 SHA1 SHA512 SSDEEP TLSH
    • Detect Xworm Payload

    • Family: Xworm

      Xworm is a remote access trojan written in C#.

    • Modifies Windows Defender DisableAntiSpyware settings

    • Modifies Windows Defender Real-time Protection settings

    • Modifies security service

    • Command and Scripting Interpreter: PowerShell

      Run Powershell to get system information.

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Loads dropped DLL

    • Reads ssh keys stored on the system

      Tries to access SSH used by SSH programs.

    • Reads user/profile data of web browsers

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

    • Checks installed software on the system

      Looks up Uninstall key entries in the registry to enumerate software on the system.

    • Hide Artifacts: Hidden Window

      Windows that would typically be displayed when an application carries out an operation can be hidden.

    • Modifies Security services

      Modifies the startup behavior of a security service.

    • Obfuscated Files or Information: Command Obfuscation

      Adversaries may obfuscate content during command execution to impede detection.

    • Suspicious use of SetThreadContext

MITRE ATT&CK Enterprise v16

Tasks