Overview

overview

10

Static

static

10

Spufferr.exe

windows10-2004-x64

10

Spufferr.exe

windows11-ltsc_2024-x64

10

Sharing

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General

  • Target
    Spufferr.exe
  • Size 121KB
  • Sample260808-nd9q7sek4v
  • SHA256 a4895d35b29bd056cfedbf16a7fc28f4d1ce00795e395a68155c02eb89d616bc
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetratgay12311discoveryexecutionpersistencetrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 1.8

Campaign

  • gay12311

C2

  • 91.92.47.228:1360

Mutex

Attributes
  • anti_virtual

    false

  • certificate

    50232ofm02vqtanxxlk

  • exclusion_wd

    true

  • hidden_file

    true

  • install

    true

  • install_watch_dog

    true

  • key

    pfim5qeq

  • path_client

    %Cookies%\WindowsHeath.exe

  • path_watch_dog

    %Templates%\svchost.exe

  • pump

    false

  • rootkit

    false

  • task_client

    svchost.exe

  • use_install_admin

    true

  • user_init

    true

Targets

    • Target
      Spufferr.exe
    • Size 121KB
    • SHA256 a4895d35b29bd056cfedbf16a7fc28f4d1ce00795e395a68155c02eb89d616bc
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    gay12311discoveryexecutionsheetratpersistencetrojan

    • 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

    • Checks computer location settings

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

    • Executes dropped EXE

    • Looks up external IP address via web service

      Uses a legitimate IP lookup service to find the infected system's external IP.

      discovery
    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks