Extracted

• • Target
    sutbong.co.com_nano.exe
  • Size 64KB
  • SHA256 0bb0b55f3e37e60f57e72e7d9e84fa2b431c13177a1228b342f5bc5183ddf1de
  • MD5 fdcd51be60384e15ea5989568b0036ec
  • SHA1 67ee538fa0c232fcb424ea5e4243e036babb31dc
  • SHA512 0ab39370498b6758d3cf528f3129c1e4e4bcc54127c3bcc1838a969ba3db2c360ce69e109425b8cd99e96cf18d8c5666c7ebb2bccf29750b811b38d767e7bacd
  • SSDEEP 1536:B2EWo7uIlfrBPAtnuwWE4hI/zW6t1+DWyp/9DOpulA2WCc3VnwPuagn2:kOblfrBPYW62j9DOp8A2WCc3VwPur2
  • TLSH
    T1EC53E98437E98621E5FE4EFE4D3296014731F8679C23D78D0A84449E1AB3785CEE8B67
  • 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

    defense_evasion
  behavioral1behavioral2