MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3c36199f3ef466a270b479f0599781fc76d196a6f2eb7a153e1e2d86bc61607d. 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: 19

Intelligence 19 IOCs YARA 38 File information Comments

SHA256 hash:	3c36199f3ef466a270b479f0599781fc76d196a6f2eb7a153e1e2d86bc61607d
SHA3-384 hash:	7a653157bb11005abb2fd603fa1bfd8d4cb05a56b8ec90769517692fd3c3ad82a2f915144a813f61195020be5cc14b84
SHA1 hash:	713e2a01452945a044c84542fa202a960b96beb1
MD5 hash:	48de33adfc768d0771cbce2e8ffc4352
humanhash:	mango-zebra-triple-football
File name:	Client.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	311'308 bytes
First seen:	2025-11-22 23:54:01 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep	6144:FKJuiyEnCGnhJlMP5Kq+SMv0VGb7bDcllbkfC:czCGL69zVGkllbka
Threatray	734 similar samples on MalwareBazaar
TLSH	T125645A2527F8A93BD9BE17B4F43141094BB6FC07B557F38E6A5818B82C1A38985437E3
TrID	46.3% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 19.7% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.4% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 6.6% (.EXE) Win64 Executable (generic) (10522/11/4) 4.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
Magika	pebin
Reporter	Hexastrike
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

Client.exe

Verdict:

Malicious activity

Analysis date:

2025-11-23 01:15:21 UTC

Tags:

quasar

Link:

https://app.any.run/tasks/97a78c3e-7294-4988-9067-76e0a71dfe06

Note:

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

Detection:

QuasarRAT

Link:

https://www.capesandbox.com/analysis/39328/

Detection(s):

Win.Trojan.Barys-1

Win.Packed.Generic-9830106-0

Win.Packed.QuasarRAT-10012744-0

Win.Trojan.Generic-6295765-0

Win.Malware.Generic-6623004-0

Win.Trojan.Generic-6898101-0

Win.Trojan.Generic-6898102-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=692252b24917b5d23db0ac01

Tags:

vmdetect quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

DNS request

Connection attempt

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm anti-vm base64 blackshades byteguard cmd crypto fingerprint infostealer keylogger lolbin obfuscated packed quasar rat reconnaissance runonce schtasks stealer vbnet vermin xrat

Link:

https://www.filescan.io/uploads/692250a9eecb08e4aa452145/reports/cdeb19b4-29d5-4be4-b1f2-5afe606b727d/overview

Verdict:

Malicious

Labled as:

Ransom.Imps.Generic

Link:

https://www.hybrid-analysis.com/sample/3c36199f3ef466a270b479f0599781fc76d196a6f2eb7a153e1e2d86bc61607d

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-11-20T03:45:00Z UTC

Last seen:

2025-11-22T22:55:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/3c36199f3ef466a270b479f0599781fc76d196a6f2eb7a153e1e2d86bc61607d/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/2c071b10-c921-4350-ad57-4f7fc5ee0141

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/3c36199f3ef466a270b479f0599781fc76d196a6f2eb7a153e1e2d86bc61607d

Verdict:

QuasarRat

YARA:

17 match(es)

Tags:

.Net Executable Malicious Managed .NET PE (Portable Executable) PE Memory-Mapped (Dump) QuasarRat RAT SOS: 0.26

Malware Config

C2 Extraction:

PORT:
CNC: wifilan.ydns.eu
PORT:
CNC: wifilan.ydns.eu

Link:

https://app.malva.re/file/48de33adfc768d0771cbce2e8ffc4352

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/3c36199f3ef466a270b479f0599781fc76d196a6f2eb7a153e1e2d86bc61607d/

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-11-20 08:37:00 UTC

AV detection:

32 of 38 (84.21%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=hq3bthz66rtke4fuphyftf4b7r3ndfvg6lvxufj6dywynpdbmb6q._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

error

QuasarRAT

f1f65883c03e68ceff270b8cd6ab4daa300a07aa8f235baa0b5e20df6d43b618

QuasarRAT

f1fe3f793ad91f0be6a2574b98423ad51e5d38eb226be004c1004478d5d8c386

QuasarRAT

fac79110f89632dd781e18a2c7a546512b25be68fd0be7ed03ed2adde4bd6237

QuasarRAT

+ 724 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:wifiwifi discovery

Link:

https://tria.ge/reports/251123-afhtlsfr3s/

Behaviour

Checks processor information in registry

Enumerates system info in registry

Modifies data under HKEY_USERS

Modifies registry class

Suspicious behavior: EnumeratesProcesses

Suspicious behavior: NtCreateUserProcessBlockNonMicrosoftBinary

Suspicious use of FindShellTrayWindow

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Drops file in Program Files directory

Drops file in Windows directory

Malware Config

C2 Extraction:

wifilan.ydns.eu:4782

Verdict:

Malicious

Tags:

rat quasar_rat vermin Win.Trojan.Barys-1

YARA:

JPCERTCC_Quasar MALWARE_Win_QuasarRAT MAL_QuasarRAT_May19_1 Quasar_RAT_1 Quasar_RAT_2 Vermin_Keylogger_Jan18_1 Windows_Trojan_Quasarrat_e52df647 malware_Quasar_strings malware_windows_quasarrat win_quasar_rat_client

Link:

https://app.threat.zone/submission/af87421a-f645-4cda-9566-edfe2da09f52

Unpacked files

SH256 hash:

3c36199f3ef466a270b479f0599781fc76d196a6f2eb7a153e1e2d86bc61607d

MD5 hash:

48de33adfc768d0771cbce2e8ffc4352

SHA1 hash:

713e2a01452945a044c84542fa202a960b96beb1

Detections:

win_blackshades_w0

QuasarRAT

Link:

https://www.unpac.me/results/a22c386f-5f77-403b-a8b6-3bdc7c1c56e1/

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

Threat name:

Suspicious File

Score:

0.42

Link:

https://yomi.yoroi.company/submissions/3c36199f3ef466a270b479f0599781fc76d196a6f2eb7a153e1e2d86bc61607d

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:	BlackShades_4 Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_
Description:	BlackShades

Rule name:	CN_disclosed_20180208_KeyLogger_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects malware from disclosed CN malware set
Reference:	https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details

Rule name:	CN_disclosed_20180208_KeyLogger_1_RID3227 Create hunting rule
Author:	Florian Roth
Description:	Detects malware from disclosed CN malware set
Reference:	https://www.virustotal.com/graph/#/selected/n120z79z208z189/drawer/graph-details

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

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

Rule name:	INDICATOR_SUSPICIOUS_GENInfoStealer Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing common artifacts observed in infostealers

Rule name:	INDICATOR_SUSPICIOUS_GENRansomware Create hunting rule
Author:	ditekSHen
Description:	Detects command variations typically used by ransomware

Rule name:	Lumma_Stealer_Detection Create hunting rule
Author:	ashizZz
Description:	Detects a specific Lumma Stealer malware sample using unique strings and behaviors
Reference:	https://seanthegeek.net/posts/compromized-store-spread-lumma-stealer-using-fake-captcha/

Rule name:	malware_Quasar_strings Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect QuasarRAT in memory

Rule name:	MALWARE_Win_QuasarRAT Create hunting rule
Author:	ditekSHen
Description:	QuasarRAT payload

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

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_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:	pe_imphash Create hunting rule

Rule name:	Quasar Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect QuasarRAT in memory

Rule name:	quasarrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	QuasarRAT Create hunting rule
Author:	ditekshen
Description:	QuasarRAT payload

Rule name:	quasarrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	Quasar_RAT_1 Create hunting rule
Author:	@SOCRadar
Description:	Detects Quasar RAT

Rule name:	Quasar_RAT_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Quasar RAT
Reference:	https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf

Rule name:	Quasar_RAT_1_RID2B54 Create hunting rule
Author:	Florian Roth
Description:	Detects Quasar RAT
Reference:	https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf

Rule name:	Quasar_RAT_2 Create hunting rule
Description:	Detects Quasar RAT

Rule name:	Quasar_RAT_2 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Quasar RAT
Reference:	https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf

Rule name:	Quasar_RAT_2_RID2B55 Create hunting rule
Author:	Florian Roth
Description:	Detects Quasar RAT
Reference:	https://www.pwc.co.uk/cyber-security/pdf/cloud-hopper-annex-b-final.pdf

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

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:	Vermin_Keylogger_Jan18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Vermin Keylogger
Reference:	https://researchcenter.paloaltonetworks.com/2018/01/unit42-vermin-quasar-rat-custom-malware-used-ukraine/

Rule name:	Windows_Trojan_Quasarrat_e52df647 Create hunting rule
Author:	Elastic Security

Rule name:	win_blackshades_w0 Create hunting rule
Author:	Jean-Philippe Teissier / @Jipe_

Rule name:	win_quasar_rat_client Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in Quasar Rat Samples.

Rule name:	xRAT_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects Patchwork malware
Reference:	https://goo.gl/Pg3P4W

Rule name:	xRAT_1_RID2900 Create hunting rule
Author:	Florian Roth
Description:	Detects Patchwork malware
Reference:	https://goo.gl/Pg3P4W

File information

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

Cape

https://www.capesandbox.com/analysis/39328/

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