Extracted

• • Target
    Pulse.exe
  • Size 557KB
  • SHA256 93be267e65b7d88329b07cec07b58455b7b2b2a29939ced377ec163ee9f84236
  • MD5 b29d2a97dd2330b8807af093cc219af7
  • SHA1 f10a563e55a10178c292f87b9798037d73d66eec
  • SHA512 bec26a43a5d10286133f13f469fa4137044fabbef622a55459f3e0263a7870498113eebd6ef076f13643646b6a135d5bf76599f88055c966454a29ba3171e9a7
  • SSDEEP 12288:tW4Lqr+3jnEhxtKLdHndlRwLsb/2wBtcTn:rjnWaBrGwb/lg
  • TLSH
    T193C4B3257FF4AD10E588143E897B2658D722E0E116037347370AB6B25D0A9EEDF2D3DA
  • MD5 SHA1 SHA512 SSDEEP TLSH

  Score

  10^/10

  collectioncosturadefense_evasiondiscoveryexecutionsheetratpackerpersistenceprivilege_escalationransomwarespywarestealertrojan

  • Detects Sheetrat obfuscated V1.8 and higher

    Sheetrat aka NonEuclid RAT is a trojan written in C#.

  • Family: Sheetrat, NonEuclid rat

    Sheetrat aka NonEuclid RAT is a trojan written in C#.

    trojansheetrat

  • Modifies WinLogon for persistence

    persistence

  • UAC bypass

    defense_evasiontrojan

  • Adds policy Run key to start application

    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

  • Disables RegEdit via registry modification

    defense_evasion

  • Disables Task Manager via registry modification

    defense_evasion

  • 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.

  • 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

  • Accesses Microsoft Outlook profiles

    collection

  • Adds Run key to start application

    persistence

  • 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.

  • Command and Scripting Interpreter: PowerShell

    Start PowerShell.

    execution

  • Drops file in System32 directory

  behavioral1