Extracted

Extracted

• • Target
    nitr0.exe
  • Size 5.7MB
  • SHA256 ae434a9a00f40da7cf54264e70bc5c5b6bf80f1e53909ff05dc01177673189ac
  • MD5 e88c2cad018474071f7bdf4d9edb4aa0
  • SHA1 383447cb1710a658be1721c430381470c065979f
  • SHA512 866a2da13117d81e99e181c0ea58bd74759679c519db92818b4a698e5429f6082b54ea4db157ee4c3d6d4af93994264c7aa7ba2fae7d3d905a443feb932e381a
  • SSDEEP 98304:xLtEZ/rns0OZ2odbU5irfpEHj8rZOmLrF3EVsj6ROh2TAF8QSmY:xLTDgo99EHoVOiF3E0f2TAtY
  • TLSH
    T1285633A146EA1355C45265B374F22BDE53FFC418A13F0A7C1AC832F4CDA9DC989F92A1
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  adwaret.me/junk_codedefense_evasiondiscoveryexecutiongomoratumbralpersistenceprivilege_escalationratspywarestealer

  • Detects Umbral payload

  • Family: GomoRAT

    GomoRAT is a Windows RAT written in C#.

    ratgomorat

  • Family: Umbral

    Umbral stealer is an open-source modular stealer written in C#.

    stealerumbral

  • Modifies WinLogon for persistence

    persistence

  • Boot or Logon Autostart Execution: Active Setup

    Adversaries may achieve persistence by adding a Registry key to the Active Setup of the local machine.

    persistence

  • Command and Scripting Interpreter: PowerShell

    Using powershell.exe command.

    execution

  • Disables one or more Microsoft Defender components

    Uses the Powershell Set-MpPreference cmdlet to disable one or more Microsoft Defender components.

    defense_evasion

  • Drops file in Drivers directory

  • Event Triggered Execution: AppInit DLLs

    Adversaries may establish persistence and/or elevate privileges by executing malicious content triggered by AppInit DLLs loaded into processes.

    persistenceprivilege_escalation

  • Checks computer location settings

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

  • Disables automatic submission of suspicious files to Microsoft by Windows Defender

    Uses the Powershell Set-MpPreference cmdlet to prevent Windows Defender from automatically sending files to Microsoft for analysis.

    defense_evasion

  • Executes dropped EXE

  • Loads dropped DLL

  • Reads user/profile data of web browsers

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

    spywarestealer

  • Adds Run key to start application

    persistence

  • Contacts third-party web service commonly abused for C2

    Legitimate web (hosting) services can be abused by malware authors to host malware or C2s.

  • Enumerates connected drives

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

  • Looks up external IP address via web service

    Uses a legitimate IP lookup service to find the infected system's external IP.

    discovery
  behavioral1behavioral2