Overview

overview

10

Static

static

10

zzivyb073qoz1v70.exe

windows10-2004-x64

10

zzivyb073qoz1v70.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    144s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    08/06/2026, 14:01

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General

  • Target
    zzivyb073qoz1v70.exe
  • Size 491KB
  • Sample260608-rbk7lsft31
  • SHA256 f6e014ebd22617879c813b86a5e2acf6828e6b24d239594f7dd1fe14c69157a4
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
executionsheetratpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 1.0

C2

  • 192.168.50.93:1194

Signatures

  • Family: Sheetrat, NonEuclid rat

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

    trojansheetrat
  • Detects Sheetrat obfuscated V1.8 and higher 1 IoCs

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Event Triggered Execution: AppInit DLLs 1 TTPs

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

    persistenceprivilege_escalation
  • Executes dropped EXE 1 IoCs
  • Loads dropped DLL 2 IoCs
  • Drops file in Windows directory 2 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Scheduled Task/Job: Scheduled Task 1 TTPs 1 IoCs

    Schtasks is often used by malware for persistence or to perform post-infection execution.

    persistenceexecution
  • Suspicious use of AdjustPrivilegeToken 3 IoCs
  • Suspicious use of WriteProcessMemory 3 IoCs
  • Uses Task Scheduler COM API 1 TTPs

    The Task Scheduler COM API can be used to schedule applications to run on boot or at set times.

    persistence

Processes

  • C:\Users\Admin\AppData\Local\Temp\zzivyb073qoz1v70.exe
    "C:\Users\Admin\AppData\Local\Temp\zzivyb073qoz1v70.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:3528
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="pK&m3gZ%3&/'3c" dir=in action=allow program="C:\Users\Admin\xdwd1" enable=yes & exit
      2⤵
        PID:5112
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "1" /tr "C:\Users\Admin\xdwd1" /RL HIGHEST & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:1636
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 1 /tn "1" /tr "C:\Users\Admin\xdwd1" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5272
    • C:\Users\Admin\xdwd1
      C:\Users\Admin\xdwd1
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • Suspicious use of AdjustPrivilegeToken
      PID:772

    Network

          MITRE ATT&CK Enterprise v16

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          Downloads

          xdwd.dll
          • Path C:\Windows\xdwd.dll
          • Size 136KB
          • SHA256 35c8d022e1d917f1aabdceae98097ccc072161b302f84c768ca63e4b32ac2b66
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/3528-0-0x00000000002A0000-0x000000000031E000-memory.dmp
          Download