Overview

overview

10

Static

static

10

Madium-Boo...er.exe

windows10-2004-x64

10

Madium-Boo...er.exe

windows11-ltsc_2024-x64

10

Resubmissions

10/08/2026, 21:33

260810-1egg9syfqe10

10/08/2026, 21:28

260810-1bhadsyerb10

Sharing

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General

  • Target
    Madium-Bootstrapper.exe
  • Size 184KB
  • Sample260810-1egg9syfqe
  • SHA256 cb564d7d36f1b8769a4bbedb0b56ceb00ad95f4e64f4089df814c42a7013ada6
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratmadium172873discoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 1.8

Campaign

  • madium172873

C2

  • tcp.cloudpub.ru:61527

Mutex

Attributes
  • anti_virtual

    false

  • certificate

    qh5lf5j

  • exclusion_wd

    true

  • hidden_file

    false

  • install

    true

  • install_watch_dog

    true

  • key

    2hdyli3k1v9uupg0l10jxvn9atxfd

  • path_client

    %Windows%\xdwdSystem32\Defender.exe

  • path_watch_dog

    %Windows%\Web\MalwareDef.exe

  • pump

    false

  • rootkit

    oy7o9cyzb

  • task_client

    Microsoft\Windows\WAppCrashNvTew

  • task_watch_dog

    Microsoft\MachineCore

  • use_install_admin

    true

  • user_init

    true

Targets

    • Target
      Madium-Bootstrapper.exe
    • Size 184KB
    • SHA256 cb564d7d36f1b8769a4bbedb0b56ceb00ad95f4e64f4089df814c42a7013ada6
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    madium172873discoveryexecutionsheetratpersistenceprivilege_escalationtrojan

    • Detects Sheetrat Payload

      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

    • 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

    • Looks up external IP address via web service

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

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

1
T1059

Windows Command Shell

1
T1059.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Boot or Logon Autostart Execution

1
T1547

Winlogon Helper DLL

1
T1547.004

Event Triggered Execution

1
T1546

AppInit DLLs

1
T1546.010

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Modify Registry

1
T1112

Credential Access

Discovery

Peripheral Device Discovery

1
T1120

Query Registry

4
T1012

System Information Discovery

4
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks