zloader | hxxps://www[.]utorrent[.]com/

General

Target

https://www.utorrent.com/
Sample

230313-11rkcsec7t

Score

10^/10

Malware Config

Targets

- Target
  
  https://www.utorrent.com/
Score

10^/10

zloader adware botnet discovery evasion persistence stealer trojan upx
- Zloader, Terdot, DELoader, ZeusSphinx
  Zloader is a malware strain that was initially discovered back in August 2015.
  trojan botnet zloader
- Contacts a large (573) amount of remote hosts
  This may indicate a network scan to discover remotely running services.
  discovery
- Downloads MZ/PE file
- Modifies Installed Components in the registry
  persistence
- Sets file execution options in registry
  persistence
- Checks computer location settings
  Looks up country code configured in the registry, likely geofence.
- Executes dropped EXE
- Identifies Wine through registry keys
  Wine is a compatibility layer capable of running Windows applications, which can be used as sandboxing environment.
  evasion
- Loads dropped DLL
- Registers COM server for autorun
  persistence
- UPX packed file
  Detects executables packed with UPX/modified UPX open source packer.
  upx
- Unexpected DNS network traffic destination
  Network traffic to other servers than the configured DNS servers was detected on the DNS port.
- Adds Run key to start application
  persistence
- Checks installed software on the system
  Looks up Uninstall key entries in the registry to enumerate software on the system.
  discovery
- Checks whether UAC is enabled
  evasion trojan
- Drops Chrome extension
- Drops desktop.ini file(s)
- Installs/modifies Browser Helper Object
  BHOs are DLL modules which act as plugins for Internet Explorer.
  stealer adware
- Looks up external IP address via web service
  Uses a legitimate IP lookup service to find the infected system's external IP.
- Checks system information in the registry
  System information is often read in order to detect sandboxing environments.
- Drops file in System32 directory
behavioral1