Resubmissions

16/04/2025, 08:58

250416-kw98xatqw8 10

16/04/2025, 08:56

250416-kwfdjatqw7 4

General

  • Target

    https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbTNTS1V0bDdKNTZVbmljSExkcUVpQjBtOVpNUXxBQ3Jtc0tuWVVjcGZVTzBqMHo3cE41bUFlckdSRUVHRU93WjdwbUo1dUFrUUNxR1htUzlCdktsT3VodURGdmFMYWJKbXN6dFd3cFR3elJkcXRHX0lOUFFCY3FYRzBBMDBiREpfdTR2SzBBc3Z4S3J4MV9Xd295WQ&q=https%3A%2F%2Fenderman.ch%2F&v=xwJJkvIsEJQ

  • Sample

    250416-kw98xatqw8

Malware Config

Extracted

Language
hta
Source
URLs
hta.dropper

http://78.26.187.35/soft-usage/favicon.ico?0=1200&1=ONBLRSLW&2=i-s&3=61&4=9200&5=6&6=2&7=919041&8=3082

Targets

    • Target

      https://www.youtube.com/redirect?event=video_description&redir_token=QUFFLUhqbTNTS1V0bDdKNTZVbmljSExkcUVpQjBtOVpNUXxBQ3Jtc0tuWVVjcGZVTzBqMHo3cE41bUFlckdSRUVHRU93WjdwbUo1dUFrUUNxR1htUzlCdktsT3VodURGdmFMYWJKbXN6dFd3cFR3elJkcXRHX0lOUFFCY3FYRzBBMDBiREpfdTR2SzBBc3Z4S3J4MV9Xd295WQ&q=https%3A%2F%2Fenderman.ch%2F&v=xwJJkvIsEJQ

    • BadRabbit

      Ransomware family discovered in late 2017, mainly targeting Russia and Ukraine.

    • Badrabbit family

    • Disables service(s)

    • Modifies WinLogon for persistence

    • Windows security bypass

    • Checks for common network interception software

      Looks in the registry for tools like Wireshark or Fiddler commonly used to analyze network activity.

    • Enumerates VirtualBox registry keys

    • Blocklisted process makes network request

    • Disables RegEdit via registry modification

    • Downloads MZ/PE file

    • Drops file in Drivers directory

    • Event Triggered Execution: Image File Execution Options Injection

    • Stops running service(s)

    • Checks BIOS information in registry

      BIOS information is often read in order to detect sandboxing environments.

    • Checks computer location settings

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

    • Executes dropped EXE

    • Impair Defenses: Safe Mode Boot

    • Loads dropped DLL

    • Reads user/profile data of web browsers

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

    • Windows security modification

    • Adds Run key to start application

    • 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.

    • Enumerates connected drives

      Attempts to read the root path of hard drives other than the default C: drive.

    • Indicator Removal: File Deletion

      Adversaries may delete files left behind by the actions of their intrusion activity.

    • Maps connected drives based on registry

      Disk information is often read in order to detect sandboxing environments.

    • Writes to the Master Boot Record (MBR)

      Bootkits write to the MBR to gain persistence at a level below the operating system.

    • Drops file in System32 directory

    • Suspicious use of SetThreadContext

    • UPX packed file

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

MITRE ATT&CK Enterprise v16

Tasks