Overview

overview

10

Static

static

10

Client.exe

windows10-2004-x64

10

Client.exe

windows11-ltsc_2024-x64

10

Analysis

  • user interaction
    yes
  • max time kernel
    149s
  • max time network
    151s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260513-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260513-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    07/08/2026, 21:32

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General

  • Target
    Client.exe
  • Size 560KB
  • Sample260807-1dw7bstfnd
  • SHA256 1a4b997407fa60fc241725c3ada610de5a5c36937dc0aeea0a6dc7fd4fa9b7ee
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheet_tcwjcmmwqyakvkexecutionsheetratpersistencetrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 2.7.1

Campaign

  • Sheet_tcwjcmmwqyakvk

C2

  • 91.92.47.228:7000

Signatures

  • Family: Sheetrat, NonEuclid rat

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

    trojansheetrat
  • Detects Sheetrat obfuscated V1.8 and higher 2 IoCs

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

  • Detects Sheetrat obfuscated version 2 IoCs
  • Modifies WinLogon for persistence 2 TTPs 1 IoCs
    persistence
  • Drops file in Program Files directory 3 IoCs
  • Executes a command shell one-liner 1 TTPs 1 IoCs

    Execution of a cmd.exe one-liner (/c "close" or /k "keep") is a common script/loader stage.

    execution
  • 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 behavior: EnumeratesProcesses 26 IoCs
  • Suspicious behavior: GetForegroundWindowSpam 1 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 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\Client.exe
    "C:\Users\Admin\AppData\Local\Temp\Client.exe"
    1⤵
    • Modifies WinLogon for persistence
    • Drops file in Program Files directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious behavior: GetForegroundWindowSpam
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:684
    • C:\Windows\SYSTEM32\CMD.exe
      "CMD" /C SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Microsoft Paint" /tr "C:\Program Files\Sub\Discord.exe" & exit
      2⤵
      • Executes a command shell one-liner
      • Suspicious use of WriteProcessMemory
      PID:2988
      • C:\Windows\system32\schtasks.exe
        SchTaSKs /CrEAte /F /sc OnLoGoN /rl HighEst /tn "Microsoft Paint" /tr "C:\Program Files\Sub\Discord.exe"
        3⤵
        • Scheduled Task/Job: Scheduled Task
        PID:3872
  • C:\Windows\system32\wbem\WmiApSrv.exe
    C:\Windows\system32\wbem\WmiApSrv.exe
    1⤵
      PID:4768

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          Discord.exe
          • Path C:\Program Files\Sub\Discord.exe
          • Size 560KB
          • SHA256 1a4b997407fa60fc241725c3ada610de5a5c36937dc0aeea0a6dc7fd4fa9b7ee
          • MD5 SHA1 SHA512 SSDEEP TLSH
          Submit Download

          memory/684-0-0x00000000005C0000-0x0000000000652000-memory.dmp
          Download

          memory/684-35-0x000000001B900000-0x000000001B910000-memory.dmp
          Download

          memory/684-132-0x000000001B900000-0x000000001B910000-memory.dmp
          Download