Extracted

• • Target
    MasonClient.exe
  • Size 48KB
  • SHA256 6436caffa6124b0fcc8ee68ecaffeba140fa0ad1ebfd2116bd6d6576ff478fba
  • MD5 300a1c7488c7f5888150ab179b8f493b
  • SHA1 94f2951f6d0ef0176ed59a5a58cfed41762a4a99
  • SHA512 62d942b3d8dd0b84374e66d0bfa72374e9280a40d2e773792c9ae4c08f6f5eb20c124d143732aba7b1b5208a7fe02d5a9bfa293d235e92157572058099f65d75
  • SSDEEP 768:pSnqmrOZWeeDH+n3QWc/7KKyycY52kbqxjo0wwQBQq6bLo1W6IMQzYA6hLORXbMt:pSnqmrOZWBDenAWc/7KKyqEkbqxjjwzB
  • TLSH
    T1BA23E79DA3D84131E4BF57B21EB7124853B4AAA38466D79F7CC400CA1B17B95CA42EF3
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  adwarebootkitcollectiondefense_evasiondiscoveryexecutionneptuneratpersistenceprivilege_escalationspywaretrojan

  • Detects NeptuneRAT stealer

  • Family: NeptuneRAT, MasonRAT

    NeptuneRAT aka MasonRAT is a trojan written in C#.

    trojanneptunerat

  • Suspicious use of NtCreateUserProcessOtherParentProcess

    defense_evasionprivilege_escalation

  • 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

  • Manipulates Digital Signatures

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • Checks computer location settings

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

  • Executes dropped EXE

  • Accesses Microsoft Outlook profiles

    collection

  • Adds Run key to start application

    persistence

  • Writes to the Master Boot Record (MBR)

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

    bootkitpersistence

  • Drops file in System32 directory

  • Suspicious use of SetThreadContext

  behavioral1behavioral2