Overview

overview

10

Static

static

10

h5ihvevlmk6olb0m.exe

windows10-2004-x64

10

h5ihvevlmk6olb0m.exe

windows11-21h2-x64

10

Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows11-21h2_x64
  • resource
    win11-20260513-en
  • resource tags

    arch:x64arch:x86image:win11-20260513-enlocale:en-usos:windows11-21h2-x64systemwindows
  • submitted
    27/05/2026, 13:54

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General

  • Target
    h5ihvevlmk6olb0m.exe
  • Size 52KB
  • Sample260527-q7j4rag16w
  • SHA256 04d92873db6dbdcde06cb4acacb5716784e149b1d293cb8fb15341b9be5c38d6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
defense_evasionexecutionsheetratpersistencetrojan

Malware Config

Extracted

Family

  • sheetrat

Attributes
  • anti_virtual

    false

  • certificate

    ayondyeh21pl4oqy

  • exclusion_wd

    true

  • hidden_file

    true

  • key

    vdwjpdv92h3uyaxtvugbqlt5

  • path_client

    %Windows%\Search.exe

  • path_watch_dog

    2te&e5

  • pump

    false

  • rootkit

    false

  • task_client

    ShellHost

  • task_watch_dog

    ai_wfq+$t6oh$2

  • use_install_admin

    true

  • user_init

    true

Signatures

  • Family: Sheetrat, NonEuclid rat

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

    trojansheetrat
  • Detects Sheetrat Payload 2 IoCs

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

  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Executes dropped EXE 3 IoCs
  • Looks up external IP address via web service 5 IoCs

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

  • Drops file in System32 directory 1 IoCs
  • Drops file in Windows directory 5 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Delays execution with timeout.exe 1 IoCs
    defense_evasion
  • Modifies registry class 1 IoCs
  • 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 5 IoCs
  • Suspicious use of WriteProcessMemory 8 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\h5ihvevlmk6olb0m.exe
    "C:\Users\Admin\AppData\Local\Temp\h5ihvevlmk6olb0m.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:5208
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" netsh advfirewall firewall add rule name="%HaWZ"kmZawbZe" dir=in action=allow program="C:\Windows\Search.exe" enable=yes & exit
      2⤵
        PID:5572
      • C:\Windows\SYSTEM32\cmd.exe
        "cmd" /c schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Windows\Search.exe" /RL HIGHEST & exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:5580
        • C:\Windows\system32\schtasks.exe
          schtasks /create /f /sc minute /mo 1 /tn "ShellHost" /tr "C:\Windows\Search.exe" /RL HIGHEST
          3⤵
          • Scheduled Task/Job: Scheduled Task
          PID:5836
      • C:\Windows\Search.exe
        "C:\Windows\Search.exe"
        2⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:4336
    • C:\Windows\Search.exe
      C:\Windows\Search.exe
      1⤵
      • Executes dropped EXE
      • Drops file in Windows directory
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:6004
      • C:\Windows\system32\CMD.exe
        "CMD" /c schtasks /deleTe /F /Tn "ShellHost" & exit& exit
        2⤵
        • Suspicious use of WriteProcessMemory
        PID:4136
        • C:\Windows\system32\schtasks.exe
          schtasks /deleTe /F /Tn "ShellHost"
          3⤵
            PID:4204
        • C:\Windows\system32\cmd.exe
          C:\Windows\system32\cmd.exe /c ""C:\Users\Admin\AppData\Local\Temp\tmp7E5E.tmp.bat""
          2⤵
          • Drops file in System32 directory
          • Suspicious use of WriteProcessMemory
          PID:2852
          • C:\Windows\system32\timeout.exe
            timeout 10 "C:\Windows"DEL "Search.exe" /f /qCD "C:\Users\Admin\AppData\Local\Temp"DEL "tmp7E5E.tmp.bat" /f /q
            3⤵
            • Delays execution with timeout.exe
            PID:1648
      • C:\Windows\Search.exe
        C:\Windows\Search.exe
        1⤵
        • Executes dropped EXE
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:6064

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            Search.exe.log
            • Path C:\Users\Admin\AppData\Local\Microsoft\CLR_v4.0\UsageLogs\Search.exe.log
            • Size 1KB
            • SHA256 8b410de677f095f88c42c69c716a9383b94ceb86ca90666188fcd4f4df7fc9fa
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            tmp7E5E.tmp.bat
            • Path C:\Users\Admin\AppData\Local\Temp\tmp7E5E.tmp.bat
            • Size 118B
            • SHA256 c33be1672c6a1d8152d728c847f91bca75cc9d1a45843b55e810b618334e768d
            • MD5 SHA1 SHA512 TLSH
            Submit Download

            Search.exe
            • Path C:\Windows\Search.exe
            • Size 52KB
            • SHA256 04d92873db6dbdcde06cb4acacb5716784e149b1d293cb8fb15341b9be5c38d6
            • MD5 SHA1 SHA512 SSDEEP TLSH
            Submit Download

            memory/5208-0-0x0000021121720000-0x0000021121734000-memory.dmp
            Download

            memory/5208-1-0x000002113DC70000-0x000002113DC80000-memory.dmp
            Download

            memory/6004-69-0x0000021FFA670000-0x0000021FFA6E8000-memory.dmp
            Download