Overview

overview

10

Static

static

3

2026-09-29...at.exe

windows10-2004-x64

10

2026-09-29...at.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    2026-09-29_ea6885c906ab2f05b781ff98d14ea5c6_cobalt-strike_icedid_luca-stealer_njrat
  • Size 998KB
  • Sample260930-sym56abf37
  • SHA256 c209336b5f2488bcf4579b60322fe4dfeff3a6caec4de21ef77dac72f00bb791
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratcosturadiscoveryexecutionpackerpersistenceprivilege_escalationtrojan

Malware Config

Targets

    • Target
      2026-09-29_ea6885c906ab2f05b781ff98d14ea5c6_cobalt-strike_icedid_luca-stealer_njrat
    • Size 998KB
    • SHA256 c209336b5f2488bcf4579b60322fe4dfeff3a6caec4de21ef77dac72f00bb791
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    costuradiscoveryexecutionsheetratpackerpersistenceprivilege_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

    • Detects executables manipulated with Fody

    • 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

    • 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

    • Executes a VBScript file via the Windows Script Host.

      execution
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Command and Scripting Interpreter

2
T1059

Visual Basic

1
T1059.005

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

Query Registry

1
T1012

System Network Configuration Discovery

2
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks