๐Ÿคฒ๐Ÿผ NEW | abuse.ch Community Hub! Earn recognition ๐Ÿ… for the malware intelligence you share, climb the leaderboards ๐Ÿ“ˆ, and connect with like-minded contributors who share your hunting focus ๐Ÿค. Ready to unlock your profile? Go to the Community Hub โ†’

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e647d4b39860c00a49582b85d71507c556c23f618deaf6b5674326c665c12d6d. While MalwareBazaar tries to identify whether the sample provided is malicious or not, there is no guarantee that a sample in MalwareBazaar is malicious.

Database Entry



QuasarRAT


Vendor detections: 10


Intelligence 10 IOCs YARA 129 File information Comments

SHA256 hash: e647d4b39860c00a49582b85d71507c556c23f618deaf6b5674326c665c12d6d
SHA3-384 hash: 636c3835f83bd4ff22d7b3cdc81edbf18a2012f87f1a25ff2293ace6f5f64576a54c7115ead1a75df2a9c1fecc8a216f
SHA1 hash: ab7b5ec49184cf782a1b88a06f56d6b44bb82917
MD5 hash: 0e85287d065faf06980cfc74494ada92
humanhash: white-salami-video-cardinal
File name:ScriptInstaller-main.zip
Download: download sample
Signature QuasarRAT
File size:2'754'357 bytes
First seen:2026-04-14 07:42:48 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 49152:65t9xsq6eKOfrxmrdI8CY8eJ+60+pHiFPg99VPLmINtr1eEfD963azXZG:6f9x19K6xmG8CQJxJWP2bPLmUveEfx6J
TLSH T19CD5337884711C667E82ECFE345B9285EB05084F898075448E77F77A26DF18E6DABC8C
Magika zip
Reporter JAMESWT_WT
Tags:github-com--demarcusnofatherington420-a11y NjRAT QuasarRAT zip

Intelligence


File Origin
# of uploads :
1
# of downloads :
115
Origin country :
IT IT
File Archive Information

This file archive contains 7 file(s), sorted by their relevance:

File name:123123.exe
File size:2'106'368 bytes
SHA256 hash: d1a1e6a2c0adc45a4cf40128e683499cd984d5803ad2e3a1ce26768a612eaec2
MD5 hash: a916870b1be4c1cf4e19cb9324a439b6
MIME type:application/x-dosexec
Signature QuasarRAT
File name:DetectionRateTesting.hta
File size:13'890 bytes
SHA256 hash: bec11fac7d2d7ab89aa30d81f2011c0de29647dde7098dc9aca72129bebb9896
MD5 hash: 4a179a29e1a8313eeeb35aa1ec4812fb
MIME type:text/html
Signature QuasarRAT
File name:a
File size:1 bytes
SHA256 hash: 01ba4719c80b6fe911b091a7c05124b64eeece964e09c058ef8f9805daca546b
MD5 hash: 68b329da9893e34099c7d8ad5cb9c940
MIME type:application/octet-stream
Signature QuasarRAT
File name:MaybeWorking.hta
File size:18'195 bytes
SHA256 hash: 18996b3867667a26d543360de3aa752679fa2b91c96539cfe702e60c5325da15
MD5 hash: 13bfc18f6296c7a0eba4371fabd4f818
MIME type:text/html
Signature QuasarRAT
File name:Pulsar-Client.exe
File size:977'920 bytes
SHA256 hash: 58482050ff75fc1fd60a2b6e23180dbf5ea12a40fb69eb1cdfd3f19d6e8a0a33
MD5 hash: c9469a994e10e0e726449706a55ffc31
MIME type:application/x-dosexec
Signature njrat
File name:encrypted.hta
File size:13'813 bytes
SHA256 hash: 73ef3fbe275321b78c11b1de44ccfeb1e5ca906c5c9b1c1a9562567cd09b7bbd
MD5 hash: 119a80a15f0a50017e2a3de66705e774
MIME type:text/html
Signature QuasarRAT
File name:WindowsLogonService.bat
File size:1'418'394 bytes
SHA256 hash: d856336054b054ee4b6aed66226e90dfca9a236e93012360b34001e75cf58693
MD5 hash: 915fcd5a462c38428f6f0306995f3730
MIME type:text/x-msdos-batch
Signature QuasarRAT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
99.1%
Tags:
vmdetect emotet
Verdict:
Malicious
File Type:
zip
First seen:
2026-04-14T05:24:00Z UTC
Last seen:
2026-04-14T17:23:00Z UTC
Hits:
~10
Gathering data
Threat name:
Script-WScript.Packed.Generic
Status:
Suspicious
First seen:
2026-04-14 07:41:38 UTC
File Type:
Binary (Archive)
Extracted files:
14
AV detection:
28 of 37 (75.68%)
Threat level:
  1/5
Result
Malware family:
Score:
  10/10
Tags:
family:donutloader family:quasar defense_evasion discovery dropper execution loader persistence spyware trojan
Behaviour
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Contacts third-party web service commonly abused for C2
Checks computer location settings
Command and Scripting Interpreter: PowerShell
Download via BitsAdmin
Downloads MZ/PE file
Family: Quasar RAT
Quasar payload
Please note that we are no longer able to provide a coverage score for Virus Total.

YARA Signatures


MalwareBazaar uses YARA rules from several public and non-public repositories, such as YARAhub and Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious process dumps they may create. Please note that only results from TLP:CLEAR rules are being displayed.

Rule name:AgentTesla_mod_tough_bin
Author:James_inthe_box
Reference:https://app.any.run/tasks/3b5d409c-978b-4a95-a5f1-399f0216873d/
Rule name:backdoorhunter
Description:hunter backdoor
Rule name:Base64_Encoded_Powershell_Directives
Rule name:Check_Dlls
Rule name:Check_OutputDebugStringA_iat
Rule name:Check_VBox_Guest_Additions
Rule name:Check_VmTools
Rule name:CMD_Ping_Localhost
Rule name:CP_Script_Inject_Detector
Author:DiegoAnalytics
Description:Detects attempts to inject code into another process across PE, ELF, Mach-O binaries
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__MemoryWorkingSet
Author:Fernando Mercรชs
Description:Anti-debug process memory working set size check
Reference:http://www.gironsec.com/blog/2015/06/anti-debugger-trick-quicky/
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:Detect_PowerShell_Obfuscation
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
Rule name:Disable_Defender
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:dsc
Author:Aaron DeVera
Description:Discord domains
Rule name:FreddyBearDropper
Author:Dwarozh Hoshiar
Description:Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.
Rule name:golang_bin_JCorn_CSC846
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:grakate_stealer_nov_2021
Rule name:HKTL_Meterpreter_inMemory
Author:netbiosX, Florian Roth
Description:Detects Meterpreter in-memory
Reference:https://www.reddit.com/r/purpleteamsec/comments/hjux11/meterpreter_memory_indicators_detection_tooling/
Rule name:INDICATOR_EXE_Packed_Fody
Author:ditekSHen
Description:Detects executables manipulated with Fody
Rule name:Indicator_MiniDumpWriteDump
Author:Obscurity Labs LLC
Description:Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_Crypto_Wallet_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of cryptocurrency wallet browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_Embedded_MFA_Browser_Extension_IDs
Author:ditekSHen
Description:Detect binaries embedding considerable number of MFA browser extension IDs.
Rule name:INDICATOR_SUSPICIOUS_Binary_References_Browsers
Author:ditekSHen
Description:Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.
Rule name:INDICATOR_SUSPICIOUS_DisableWinDefender
Author:ditekSHen
Description:Detects executables containing artifacts associated with disabling Widnows Defender
Rule name:INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA
Author:ditekSHen
Description:Detects Windows executables referencing non-Windows User-Agents
Rule name:INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients
Author:ditekSHen
Description:Detects executables referencing many email and collaboration clients. Observed in information stealers
Rule name:INDICATOR_SUSPICIOUS_EXE_References_PasswordManagers
Author:ditekSHen
Description:Detects executables referencing many Password Manager software clients. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defender features
Rule name:INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL
Author:ditekSHen
Description:Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion
Rule name:INDICATOR_SUSPICIOUS_EXE_SQLQuery_ConfidentialDataStore
Author:ditekSHen
Description:Detects executables containing SQL queries to confidential data stores. Observed in infostealers
Rule name:INDICATOR_SUSPICIOUS_GENRansomware
Author:ditekSHen
Description:Detects command variations typically used by ransomware
Rule name:Macos_Infostealer_Wallets_8e469ea0
Author:Elastic Security
Rule name:MAL_BackNet_Nov18_1
Author:Florian Roth (Nextron Systems)
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:MAL_BackNet_Nov18_1_RID2D6D
Author:Florian Roth
Description:Detects BackNet samples
Reference:https://github.com/valsov/BackNet
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_detect_tls_callbacks
Rule name:pe_imphash
Rule name:PowerShell_Susp_Parameter_Combo_RID336F
Author:Florian Roth
Description:Detects PowerShell invocation with suspicious parameters
Reference:https://goo.gl/uAic1X
Rule name:Pulsar_RAT
Author:@bartblaze
Description:Identifies Pulsar RAT, based on Quasar RAT.
Reference:https://malpedia.caad.fkie.fraunhofer.de/details/win.pulsar_rat
Rule name:RANSOMWARE
Author:ToroGuitar
Rule name:ReflectiveLoader
Author:Florian Roth (Nextron Systems)
Description:Detects a unspecified hack tool, crack or malware using a reflective loader - no hard match - further investigation recommended
Reference:Internal Research
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:Suspicious_Process
Author:Security Research Team
Description:Suspicious process creation
Rule name:Sus_All_Windows_PE_Malware
Author:DiegoAnalytics
Description:Detects Windows PE malware of all types, avoids non-executables like .html
Rule name:Sus_CMD_Powershell_Usage
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:telebot_framework
Author:vietdx.mb
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:VECT_Ransomware
Author:Mustafa Bakhit
Description:Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:WIN_FileFix_Detection
Author:dogsafetyforeverone
Description:Detects FileFix social engineering technique that launches chained PowerShell and PHP commands from file explorer typed paths
Reference:FileFix social engineering with PowerShell and PHP commands
Rule name:win_rat_generic
Author:Reedus0
Description:Rule for detecting generic RAT malware
Rule name:WIN_SHADOW_UNPACKED
Rule name:win_stealer_generic
Author:Reedus0
Description:Rule for detecting generic stealer malware

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Comments