Overview

overview

10

Static

static

3

ckleukaa.exe

windows10-2004-x64

10

ckleukaa.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    ckleukaa.exe
  • Size 842KB
  • Sample261101-ysgn3sdb87
  • SHA256 a15e7efb966979b38003984e316de8732ab00b66040dc97294dc13822964cb58
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratsheet_wvnkneyyxndiscoveryexecutionpersistencetrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 2.6.4

Campaign

  • Sheet_wvnkneyyxn

C2

  • openport.pw:30265

Targets

    • Target
      ckleukaa.exe
    • Size 842KB
    • SHA256 a15e7efb966979b38003984e316de8732ab00b66040dc97294dc13822964cb58
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    sheet_wvnkneyyxndiscoveryexecutionsheetratpersistencetrojan

    • 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

    • Checks computer location settings

      Looks up country code configured in the registry, likely geofence.

    • Executes dropped EXE

    • Command and Scripting Interpreter: PowerShell

      Start PowerShell.

      execution
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks