Overview

overview

10

Static

static

10

qurix_rat.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    qurix_rat.exe
  • Size 485KB
  • Sample260820-kamkqacc35
  • SHA256 4ccd21b2892f34404734f508bd3e96ced9cec703ed25d2c15690654813e36e1e
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratsheet_cpforwzdoimxgidogdiscoveryexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 2.6

Campaign

  • Sheet_cpforwzdoimxgidog

C2

  • tissues-arrive.tun.ply.gg:4275

Targets

    • Target
      qurix_rat.exe
    • Size 485KB
    • SHA256 4ccd21b2892f34404734f508bd3e96ced9cec703ed25d2c15690654813e36e1e
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    sheet_cpforwzdoimxgidogdiscoveryexecutionsheetratpersistenceprivilege_escalationtrojan

    • Detects Sheetrat obfuscated V1.8 and higher

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

    • Detects Sheetrat obfuscated version

    • 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

    • 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

Browser Information Discovery

1
T1217

Query Registry

2
T1012

System Information Discovery

1
T1082

System Time Discovery

1
T1124

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks