Overview

overview

10

Static

static

3

0e053045a5...9a.exe

windows10-2004-x64

10

0e053045a5...9a.exe

windows11-21h2-x64

10

Resubmissions

10/07/2025, 08:41

250710-klj9qsstds10

09/07/2025, 00:22

250709-anw17sbj2110

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General

  • Target
    0e053045a5ab0d4e2a65052bd3aa795d70976b5afa8413b3198f6e30db11409a
  • Size 3.8MB
  • Sample250710-klj9qsstds
  • SHA256 0e053045a5ab0d4e2a65052bd3aa795d70976b5afa8413b3198f6e30db11409a
  • MD5 SHA1 SHA512 SSDEEP
Score
10/10
celestialratquasar[traffic][traffic]defense_evasiondiscoveryevasionexecutionpersistencespywaretrojan

Malware Config

Extracted

Family

  • celestialrat

Version

  • 0.0.1

Campaign

  • [Traffic]

C2

  • 94.156.115.95:1337

Mutex

  • Celestial_8029996027823020235443

Attributes
  • auto_start_type

    TaskScheduler

  • blacklisted_countries

    RU;US;BY

  • blacklisted_hosts

    www.arcabit.pl;www.avast.com;www.avast.ru;www.avg.com;www.avira.com;www.bitdefender.com;www.bullguard.com;www.clamav.net;www.comodo.com;www.drweb.ru;www.emsisoft.com;www.escanav.com;www.eset.com;www.esetnod32.ru;www.f-prot-antivirus-for-windows.en.softonic.com;www.f-secure.com;www.gdatasoftware.com;www.ikarussecurity.com;www.immunet.com;www.kaspersky.ru;www.maxpcsecure.com;www.mcafee.com;www.nanoav.ru;www.norman.com;www.quickheal.com;www.seqrite.com;www.sophos.com;www.spamfighter.com;www.tgsoft.it;www.trendmicro.com;www.virustotal.com;www.vba32-antivirus.en.softonic.com;www.xvirus.net;www.zillya.ua;www.zonealarm.com;www.zonerantivirus.com

  • bootkit

    True

  • botkiller

    True

  • client_filename

    RunShell.exe

  • client_subfolder

    Libs

  • command_line

    %CommandLine%

  • connection_type

    Static

  • country_blacklist

    False

  • detectdebugger

    False

  • detectsandboxie

    False

  • detectsmalldisk

    False

  • detectvm

    False

  • detectwindowsxp

    False

  • disable_install_prompt

    True

  • disablecmd

    False

  • disabledefender

    True

  • disablefirewall

    True

  • disableregistry

    False

  • disablerun

    False

  • disabletaskmanager

    False

  • disableuac

    True

  • disablewinkeys

    False

  • hidden_attributes

    True

  • hidden_key

    False

  • highest_priority

    True

  • hollowed_process

    %HollowedProcess%

  • hosts_blacklist

    False

  • install_client

    True

  • libraries_subfolder

    Libs

  • lotl_application

    %LOTLApplication%

  • melt_file

    True

  • pastebin

    https://pastebin.com/raw/XXXXXX

  • registry_key

    RunShell

  • root_client_folder

    %UserProfile%

  • root_libraries_folder

    %UserProfile%

  • root_watchdog_folder

    %temp%

  • rootkit

    False

  • rtlsetprocesscritical

    True

  • system_attributes

    True

  • task_name

    RunShell

  • try_other_method

    True

  • usb_spread

    True

  • usb_spread_filename

    usb.exe

  • watchdog

    %temp%

  • watchdog_filename

    watchdog

Extracted

Family

  • quasar

Version

  • 1.6.1

Botnet

  • [TRAFFIC]

C2

  • 94.156.115.95:4782

Mutex

  • 8fe1c07a-f007-4bc2-ac34-653740e29b1f

Attributes
  • encryption_key

    1F720371347F436568C7ABAB80504330CC4DFEF9

  • install_name

    ClientFixerDLL.exe

  • key_salt

    5a23f8394640cb9e40658446a04c0bbae82dc93d0470e1b2a406a90fd2520382

  • log_directory

    Logs

  • reconnect_delay

    3000

  • startup_key

    RunDLL

  • subdirectory

    MpCoreService

Targets

    • Target
      0e053045a5ab0d4e2a65052bd3aa795d70976b5afa8413b3198f6e30db11409a
    • Size 3.8MB
    • SHA256 0e053045a5ab0d4e2a65052bd3aa795d70976b5afa8413b3198f6e30db11409a
    • MD5 SHA1 SHA512 SSDEEP
    Score
    10/10
    celestialratquasar[traffic][traffic]defense_evasionevasionexecutionpersistencespywaretrojandiscovery

    • CelestialRAT

      CelestialRAT is a trojan written in C#.

      trojancelestialrat

    • Celestialrat family

      celestialrat

    • Detects CelestialRAT.

    • Modifies WinLogon for persistence

      persistence

    • Modifies Windows Defender DisableAntiSpyware settings

      evasiontrojan

    • Modifies firewall policy service

      defense_evasion

    • Process spawned unexpected child process

      This typically indicates the parent process was compromised via an exploit or macro.

    • Quasar RAT

      Quasar is an open source Remote Access Tool.

      trojanspywarequasar

    • Quasar family

      quasar

    • Quasar payload

    • UAC bypass

      defense_evasiontrojan

    • Checks computer location settings

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

    • Executes dropped EXE

    • Windows security modification

      defense_evasiontrojan

    • Adds Run key to start application

      persistence

    • Checks whether UAC is enabled

      defense_evasiontrojan

    • ConfuserEx .NET packer

      Detects ConfuserEx .NET packer.

    • Drops file in System32 directory

    behavioral1behavioral2

MITRE ATT&CK Enterprise v16

Reconnaissance

Resource Development

Initial Access

Execution

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Persistence

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Privilege Escalation

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Boot or Logon Autostart Execution

2
T1547

Registry Run Keys / Startup Folder

1
T1547.001

Winlogon Helper DLL

1
T1547.004

Create or Modify System Process

2
T1543

Windows Service

2
T1543.003

Scheduled Task/Job

1
T1053

Scheduled Task

1
T1053.005

Defense Evasion

Abuse Elevation Control Mechanism

1
T1548

Bypass User Account Control

1
T1548.002

Impair Defenses

4
T1562

Disable or Modify System Firewall

1
T1562.004

Disable or Modify Tools

3
T1562.001

Modify Registry

7
T1112

Credential Access

Discovery

Query Registry

2
T1012

Remote System Discovery

1
T1018

System Information Discovery

3
T1082

System Network Configuration Discovery

1
T1016

Internet Connection Discovery

1
T1016.001

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Tasks