Extracted

Extracted

• • Target

    WaveInstaller.exe

  • Size

    76KB

  • MD5

    1b95a7fc10c0b54c7d807d1f7ee2b778

  • SHA1

    75d3a2f1d104b8f4950f59da9e829d61943e3e44

  • SHA256

    d2373e86e03b935c7c24993f2a567a7e9f3b477c460a4c061da4000de493fbd8

  • SHA512

    b225f9052457b5de3728f1f2bf5cf17905de780823ccaa0139e0f559212a05bb177297d950783084cae87f4da217c94d8ad66124f0a3c6946bd5662a43395d4e

  • SSDEEP

    1536:kpn26tWBE8jMMx4yBmEbTb1XyM6lk120w6hO2GRKVJjiS:kpn2FMniTb1IH0w6hOFRKnr

  Score

  10^/10

  gurcuxwormdiscoveryevasionexecutionpersistenceprivilege_escalationransomwareratstealertrojanupx

  • Contains code to disable Windows Defender

    A .NET executable tasked with disabling Windows Defender capabilities such as realtime monitoring, blocking at first seen, etc.

  • Detect Xworm Payload

  • Gurcu, WhiteSnake

    Gurcu is a malware stealer written in C#.

    stealergurcu

  • Xworm

    Xworm is a remote access trojan written in C#.

    trojanratxworm

  • Command and Scripting Interpreter: PowerShell

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

    execution

  • Downloads MZ/PE file

  • Modifies Windows Firewall

    evasion

  • Executes dropped EXE

  • Loads dropped DLL

  • UPX packed file

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

    upx

  • Checks for any installed AV software in registry

  • Checks installed software on the system

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

    discovery

  • Drops desktop.ini file(s)

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

  • Sets desktop wallpaper using registry

    ransomware
  behavioral1