Extracted

• • Target
    cakhiatvb.group_nano.exe
  • Size 64KB
  • SHA256 12cff8c42b3c2137b3f061b4340bee539b342dc16ce9cf43763885d0e9e63d48
  • MD5 bdb338187aceb18067c6611a4ee9fde7
  • SHA1 6a2bfc352102079a9f47bdfa3788865330cd8864
  • SHA512 457d0de5a775e6d0347bf98a8b96e3174e931285a736954100a4e0b228b21f58d76a06b297ee698a94e541558c2c84d82eded951bc8dcc55af9092617d67027a
  • SSDEEP 1536:46MiLans59YAzR6Pnj4Xckn/98OpuAA2WCc3Vnwzuagnf:DMdg9YAzR6Pnkd/98OpVA2WCc3Vwzurf
  • TLSH
    T1A653E94477E98620F5FF4AFE5D3195114B31F8639C23D78E0A84449E1AB37858EE8B2B
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  defense_evasiondiscoveryevasionexecutionnanocoreimpactkeyloggerpersistenceprivilege_escalationransomwarespywarestealertrojan

  • Contains code to disable Windows Defender

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

  • Family: NanoCore

    NanoCore is a remote access tool (RAT) with a variety of capabilities.

    keyloggertrojanstealerspywarenanocore

  • Modifies Windows Defender DisableAntiSpyware settings

    evasiontrojan

  • Modifies security service

    defense_evasion

  • Deletes shadow copies

    Ransomware often targets backup files to inhibit system recovery.

    ransomwaredefense_evasionimpactexecution

  • Grants admin privileges

    Uses net.exe to modify the user's privileges.

  • Command and Scripting Interpreter: PowerShell

    Run Powershell and hide display window.

    execution

  • Disables RegEdit via registry modification

    defense_evasion

  • Disables Task Manager via registry modification

    defense_evasion

  • Drops file in Drivers directory

  • Event Triggered Execution: Image File Execution Options Injection

    persistence

  • Modifies Windows Firewall

    defense_evasion

  • Checks computer location settings

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

  • Creates a file in the Startup directory

    A file was written to a Windows startup folder. Files in these directories are executed automatically when a user logs on or an application initializes.

    persistenceprivilege_escalation

  • Disables service(s)

    defense_evasionexecution

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Stops running service(s)

    defense_evasionexecution

  • Adds Run key to start application

    persistence

  • Creates a new local user account

    Uses net.exe to create a new local user account, often for persistence or a backdoor account.

    persistence

  • Discovers running processes

    Running process information can be used to identify security tools or plan follow-on actions.

    discovery

  • Drops file in System32 directory

  • Executes a VBScript file via the Windows Script Host.

    execution

  • Sets desktop wallpaper using registry

    ransomware

  • Suspicious use of NtSetInformationThreadHideFromDebugger

  behavioral1behavioral2