MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f. 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: 16

Intelligence 16 IOCs YARA 35 File information Comments

SHA256 hash:	240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f
SHA3-384 hash:	645bdc2e246e34ec28559e31cdfb2281d47b822b28cbacc1ad43b71b1f84f1c5f225c45f3542411fa26287b1c86b8608
SHA1 hash:	d498af82aba3f8d9be1a5df2bcd07ae5a4011883
MD5 hash:	8090c32b447f955e276ad8f005ea4775
humanhash:	earth-yankee-harry-pip
File name:	ShadowClient.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	2'181'120 bytes
First seen:	2026-03-30 14:09:53 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'853 x AgentTesla, 19'780 x Formbook, 12'304 x SnakeKeylogger)
ssdeep	49152:DqW07wRPirm2NnPTKKm77LrwCB6uan36z6:DqWjoZNn2Km77LrwkFW
Threatray	5 similar samples on MalwareBazaar
TLSH	T1FDA5F151B3F5820AF1BF2BB9A47604590773F942AA35E74E098CA1AD1FB37408E507B7
TrID	59.5% (.RLL) Microsoft Resource Library (x86) (177572/6/26) 24.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 5.5% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 2.1% (.EXE) Win64 Executable (generic) (6522/11/2)
Magika	pebin
Reporter	juroots
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

109

Origin country :

Vendor Threat Intelligence

Gathering data

Malware family:

n/a

ID:

File name:

ShadowClient.exe

Verdict:

Suspicious activity

Analysis date:

2026-03-30 00:27:32 UTC

Tags:

anti-evasion

Link:

https://app.any.run/tasks/aebc9c56-af91-48bd-bc93-0bd28644080a

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Gathering data

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Bulz-9933026-0

Win.Packed.Msilzilla-9952790-0

Win.Packed.Msilzilla-9955952-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Malware.Generic-6623004-0

YARA.SIGNATURE_BASE_MAL_Quasarrat_May19_1.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69c9c3723a18a6e1ddefa8d5

Tags:

vmdetect quasar emotet

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Using the Windows Management Instrumentation requests

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm anti-vm base64 cmd cscript evasive explorer fingerprint hacktool lolbin msbuild mshta netsh obfuscated packed privilege reconnaissance regasm regedit regsvcs runonce schtasks update

Link:

https://www.filescan.io/uploads/69ca8452e2df9aa488be33f4/reports/cba25ede-a505-4a40-a9fc-3bb2a816b142/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f

Result

Gathering data

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-03-29T21:30:00Z UTC

Last seen:

2026-03-29T21:56:00Z UTC

Hits:

~10

Detections:

Trojan.MSIL.Quasar.gpx Trojan-PSW.MSIL.Stealer.sb Trojan-GameThief.MSIL.Worgtop.b HEUR:Trojan-Banker.MSIL.ClipBanker.gen HEUR:Exploit.MSIL.BypassUAC.c Trojan-PSW.Multi.Stealer.sb Trojan-PSW.MSIL.Agent.sb Trojan-GameThief.MSIL.Worgtop.a Trojan.MSIL.Quasar.gpv Trojan.MSIL.Quasar.a Trojan.MSIL.Agent.sb HEUR:Trojan.Win32.Generic

Link:

https://opentip.kaspersky.com/240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/d650ebac-d693-4e12-b636-dfe0ff01680d

Verdict:

QuasarRat

YARA:

17 match(es)

Tags:

.Net Executable Fody/Costura Packer Html Malicious Managed .NET PDB Path PE (Portable Executable) PE File Layout QuasarRat RAT SOS: 0.14 SOS: 0.15 SOS: 0.18 SOS: 0.19 SOS: 0.20 SOS: 0.22 SOS: 0.23 SOS: 0.24 SOS: 0.25 SOS: 0.26 SOS: 0.27 SOS: 0.29 SOS: 0.32 SOS: 0.34 SOS: 0.35 SOS: 0.62 Win 32 Exe x86

Malware Config

C2 Extraction:

PORT: ChainingModeGCM
CNC: ChainingModeGCM

Link:

https://app.malva.re/file/8090c32b447f955e276ad8f005ea4775

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f/

Verdict:

Malicious

Threat:

Family.PULSARRAT

Link:

https://tip.neiki.dev/file/240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f

Threat name:

Win32.Hacktool.Aikaantivm

Status:

Malicious

First seen:

2026-03-30 00:27:47 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 36 (63.89%)

Threat level:

1/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=eqhck5psbr24nnpc5ju3ydynsz277u76umk4vamlzpxck4xos4xq._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

90da7bbef1690e6d49ca7e712cae2506ac71d5afb0a01779bcda457fef4ea43d

QuasarRAT

adb8b0b453f04365cc3dd487d7875c7e7139faf1959ababd7e7c630aaf459207

QuasarRAT

ddb82831075c314742e3912e27a862850ac02b2a6693fefbc9400394a287600a

QuasarRAT

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:shadow defense_evasion spyware trojan

Link:

https://tria.ge/reports/260330-rgxgtsgx9w/

Behaviour

Enumerates system info in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Checks for VirtualBox DLLs, possible anti-VM trick

Looks for VMWare Tools registry key

Looks for VirtualBox Guest Additions in registry

Contains code to disable Windows Defender

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

151.245.112.70:8990

Unpacked files

SH256 hash:

240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f

MD5 hash:

8090c32b447f955e276ad8f005ea4775

SHA1 hash:

d498af82aba3f8d9be1a5df2bcd07ae5a4011883

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/385563da-f9e0-4c90-9aab-1f91728b6d79/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/240e2575f20c/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f

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:	Check_Dlls Create hunting rule

Rule name:	Check_VBox_Guest_Additions Create hunting rule

Rule name:	Check_VmTools Create hunting rule

Rule name:	Costura_Protobuf Create hunting rule
Author:	@bartblaze
Description:	Identifies Costura and Protobuf in .NET assemblies, respectively for storing resources and (de)serialization. Seen together might indicate a suspect binary.

Rule name:	CP_Script_Inject_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	Detects attempts to inject code into another process across PE, ELF, Mach-O binaries

Rule name:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerCheck__QueryInfo Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DebuggerHiding__Thread Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	DetectEncryptedVariants Create hunting rule
Author:	Zinyth
Description:	Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded

Rule name:	detect_powershell Create hunting rule
Author:	daniyyell
Description:	Detects suspicious PowerShell activity related to malware execution

Rule name:	Detect_PowerShell_Obfuscation Create hunting rule
Author:	daniyyell
Description:	Detects obfuscated PowerShell commands commonly used in malicious scripts.

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	INDICATOR_EXE_Packed_Fody Create hunting rule
Author:	ditekSHen
Description:	Detects executables manipulated with Fody

Rule name:	Indicator_MiniDumpWriteDump Create hunting rule
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_DisableWinDefender Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing artifacts associated with disabling Widnows Defender

Rule name:	INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender Create hunting rule
Author:	ditekSHen
Description:	Detects executables embedding registry key / value combination indicative of disabling Windows Defender features

Rule name:	INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	MALWARE_Win_ArrowRAT Create hunting rule
Author:	ditekSHen
Description:	Detects ArrowRAT

Rule name:	MAL_QuasarRAT_May19_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects QuasarRAT malware
Reference:	https://blog.ensilo.com/uncovering-new-activity-by-apt10

Rule name:	MAL_QuasarRAT_May19_1 Create hunting rule
Description:	Detects QuasarRAT malware

Rule name:	MAL_QuasarRAT_May19_1_RID2E1E Create hunting rule
Author:	Florian Roth
Description:	Detects QuasarRAT malware
Reference:	https://blog.ensilo.com/uncovering-new-activity-by-apt10

Rule name:	Multifamily_RAT_Detection Create hunting rule
Author:	Lucas Acha (http://www.lukeacha.com)
Description:	Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables

Rule name:	NET Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

Rule name:	pe_imphash Create hunting rule

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Ransomware_Win32_NebulaRun Create hunting rule
Author:	github.com/keegan31
Description:	Detects NebulaRun Ransomware variant

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	Sus_CMD_Powershell_Usage Create hunting rule
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 Create hunting rule
Author:	vietdx.mb

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

File information

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

Web download

QuasarRAT

exe 240e2575f20c75c6b5e2ea69bc0f0d9675ffd3fea315ca818bcbee2572ee972f

(this sample)

Cape

https://www.capesandbox.com/analysis/59765/

URLhaus

https://urlhaus.abuse.ch/url/3808504/

Delivery method

Distributed via web download

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