Overview

overview

10

Static

static

3

RealSetup_...81.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    RealSetup_7274e9111691ef186411e839887f9d1950fcaec7d88901f7bc1736c8d8836681.exe
  • Size 17.0MB
  • Sample260820-smd34sem9t
  • SHA256 9714c12fd530c43d6ad3f54d7aecca6a2e50297c4537c034b69c589a810be0e7
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratdiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 1.8

C2

  • jknasdjnk-30442.portmap.host:30442

Targets

    • Target
      RealSetup_7274e9111691ef186411e839887f9d1950fcaec7d88901f7bc1736c8d8836681.exe
    • Size 17.0MB
    • SHA256 9714c12fd530c43d6ad3f54d7aecca6a2e50297c4537c034b69c589a810be0e7
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    discoveryexecutionsheetratpersistenceprivilege_escalationtrojan

    • Detects Sheetrat obfuscated V1.8 and higher

      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

    • Executes dropped EXE

    • Loads dropped DLL

    behavioral1

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

Query Registry

1
T1012

System Information Discovery

1
T1082

System Location Discovery

1
T1614

System Language Discovery

1
T1614.001

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks