General

  • Target

    node-v22.11.0-x64.msi

  • Size

    28.9MB

  • Sample

    241114-rxwv8sznat

  • MD5

    fa9e1f3064a66913362e9bff7097cef5

  • SHA1

    b34f1f9a9f6242c54486a4bc453a9336840b4425

  • SHA256

    9eea480bd30c98ae11a97cb89a9278235cbbbd03c171ee5e5198bd86b7965b4b

  • SHA512

    ad3e9469326dccac6b49185b5b2814ba700b5d83b4b3ce17f85a9adc5f90bdebf54d79800b253ed5c371ab82d27304841f86ab1a8a3c7ffade8a2d78e55dc99f

  • SSDEEP

    786432:EtShU+9S49htlhk3tKuiU9IsO9IP1/lBMS8k4:EAUK/U9IN961/l

Malware Config

Extracted

Language
ps1
Deobfuscated
URLs
ps1.dropper

https://chocolatey.org/install.ps1

Targets

    • Target

      node-v22.11.0-x64.msi

    • Size

      28.9MB

    • MD5

      fa9e1f3064a66913362e9bff7097cef5

    • SHA1

      b34f1f9a9f6242c54486a4bc453a9336840b4425

    • SHA256

      9eea480bd30c98ae11a97cb89a9278235cbbbd03c171ee5e5198bd86b7965b4b

    • SHA512

      ad3e9469326dccac6b49185b5b2814ba700b5d83b4b3ce17f85a9adc5f90bdebf54d79800b253ed5c371ab82d27304841f86ab1a8a3c7ffade8a2d78e55dc99f

    • SSDEEP

      786432:EtShU+9S49htlhk3tKuiU9IsO9IP1/lBMS8k4:EAUK/U9IN961/l

    • Adds Run key to start application

    • Blocklisted process makes network request

    • Command and Scripting Interpreter: PowerShell

      Using powershell.exe command.

    • Downloads MZ/PE file

    • Drops desktop.ini file(s)

    • Enumerates connected drives

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

    • Checks computer location settings

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

    • Drops file in System32 directory

    • Event Triggered Execution: Component Object Model Hijacking

      Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

MITRE ATT&CK Enterprise v15

Tasks