Overview

overview

10

Static

static

10

Client.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    Client.exe
  • Size 681KB
  • Sample260516-s58ensft71
  • SHA256 f4d4ac02149d3aa87a47f3d9817dfab2c44ed848a3482d7103be89c7a11b789a
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratsheet_wvnkneyyxnexecutionpersistenceprivilege_escalationtrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 2.6.4

Campaign

  • Sheet_wvnkneyyxn

C2

  • njx1ykwy9g.localto.net:9996

Targets

    • Target
      Client.exe
    • Size 681KB
    • SHA256 f4d4ac02149d3aa87a47f3d9817dfab2c44ed848a3482d7103be89c7a11b789a
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    sheet_wvnkneyyxnexecutionsheetratpersistenceprivilege_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

    • Adds Run key to start application

      persistence
    behavioral1

MITRE ATT&CK Enterprise v16

Tasks