Overview

overview

10

Static

static

10

ao1bcjfdy2whv796.exe

windows10-2004-x64

10

ao1bcjfdy2whv796.exe

windows11-21h2-x64

10

Sharing

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General

  • Target
    ao1bcjfdy2whv796.exe
  • Size 48KB
  • Sample260512-2qlrssh12v
  • SHA256 5217cc3a7af92aa9603b4e7ce97ac5467d5ac7697a448f0ef95c6abebf1d503b
  • MD5 SHA1 SHA512 SSDEEP TLSH
Score
10/10
sheetrat1executionpersistencetrojan

Malware Config

Extracted

Family

  • sheetrat

Version

  • 1.8

Campaign

  • 1

C2

  • tcp.cloudpub.ru:45458

Mutex

  • G23cCUR7cVmpEsPS

Attributes
  • anti_virtual

    false

  • certificate

    p1sz32e1ijfo2smm6tjr7t9gprmq

  • exclusion_wd

    true

  • hidden_file

    false

  • install

    true

  • install_watch_dog

    true

  • key

    4jzu5k00mv11bzm1p9h3

  • path_client

    %Windows%\WinDefender.exe

  • path_watch_dog

    %Windows%\schost.exe

  • pump

    true

  • rootkit

    false

  • task_client

    Microsoft\Windows\WAppCrashNvTew

  • task_watch_dog

    Microsoft\MachineCore

  • use_install_admin

    true

  • user_init

    true

Targets

    • Target
      ao1bcjfdy2whv796.exe
    • Size 48KB
    • SHA256 5217cc3a7af92aa9603b4e7ce97ac5467d5ac7697a448f0ef95c6abebf1d503b
    • MD5 SHA1 SHA512 SSDEEP TLSH
    Score
    10/10
    1executionsheetratpersistencetrojan

    • 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.

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Tasks