MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b. 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: 22

Intelligence 22 IOCs YARA 33 File information Comments 1

SHA256 hash:	bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b
SHA3-384 hash:	ba290a98d8724d86b5e426d407097aface9b6523585e7f8fe3a01077024bc8ebf8007584b8eaa2e28eef367555ba9518
SHA1 hash:	02ff3dd780dcecc0dcb5e4d7a2fb3f08c9eddcff
MD5 hash:	01169e45c035f262f4389d167f9d5971
humanhash:	lima-cup-nebraska-carpet
File name:	x.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	356'352 bytes
First seen:	2026-03-08 14:57:30 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'302 x AgentTesla, 20'721 x Formbook, 12'402 x SnakeKeylogger)
ssdeep	6144:J2EHwNHJsa2ppNaAObWokOg3fOSgZCkSWXYwBEY4T:wxpsa5AHfOaXImPY4T
TLSH	T113748D2327A8E97BD6FE077AF432460447B1DA47B216F38B995C52B86C133868D513B3
TrID	60.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 13.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.4% (.EXE) Win64 Executable (generic) (6522/11/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	burger
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

176

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

QuasarRAT

Details

QuasarRAT

c2 socket addresses, a version, a mutex, AES-CBC decryption parameters, a missionid, an interval, varying flags, a filepath, an installation registry path and scheduled task name, and possibly additional parameters which vary per version

Link:

https://research.acce.ciphertechsolutions.com/results/32c21409-24d0-4418-861a-e60ccaded2ad/

Malware family:

quasar

ID:

File name:

Wizard Builder.bat

Verdict:

Malicious activity

Analysis date:

2026-03-08 14:54:30 UTC

Tags:

quasar rat evasion remote

Link:

https://app.any.run/tasks/c731e379-2810-4db2-bd41-4686d357d0d3

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/56648/

Detection(s):

Win.Malware.Generic-6623004-0

Win.Packed.Generic-9830106-0

Win.Packed.QuasarRAT-10012744-0

Win.Trojan.Generic-9829636-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69ad8e4ae5dc8e2b2c310616

Tags:

autorun quasar

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm base64 byteguard fingerprint infostealer keylogger lolbin obfuscated obfuscated packed quasar quasarrat rat reconnaissance runonce schtasks soft-404 stealer vbnet venomrat vermin xrat

Link:

https://www.filescan.io/uploads/69ad8e84cd25bfe1dfe4885a/reports/6dd6a20b-9e0d-4c6e-9051-a19173ef6d42/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b

Verdict:

Malicious

File Type:

exe x32

Detections:

Trojan-PSW.MSIL.Virinom.sb HEUR:Trojan-Spy.MSIL.Downeks.gen HEUR:Trojan.MSIL.Quasar.gen Trojan-Spy.MSIL.Downeks.sb Trojan.Win32.Quasar.sb Trojan.MSIL.Quasar.sb Trojan.MSIL.Quasar.a Trojan.MSIL.Agent.foww HEUR:Trojan-Spy.MSIL.Generic HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan.Win32.Generic Trojan-PSW.Win32.Stealer.sb Trojan-Spy.Quasar.HTTP.ServerRequest Trojan.MSIL.Quasar.b Trojan.MSIL.Donut.sb

Link:

https://opentip.kaspersky.com/bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/848d5311-a3f5-4682-a132-ad3ac3948c8f

Result

Threat name:

Quasar, XRat

Detection:

malicious

Classification:

troj.expl.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1880205

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Detected Quasar RAT

Drops executables to the windows directory (C:\Windows) and starts them

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Potential Privilege Escalation using Task Scheduler highest RunLevel

Sample uses string decryption to hide its real strings

Sigma detected: Quasar

Suricata IDS alerts for network traffic

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected Quasar RAT

Yara detected XRat

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b

Verdict:

QuasarRat

YARA:

16 match(es)

Tags:

.Net Executable Malicious Managed .NET PE (Portable Executable) PE File Layout QuasarRat RAT SOS: 0.61 Win 32 Exe x86

Malware Config

C2 Extraction:

PORT: 1313
CNC: 213.142.133.155

Link:

https://app.malva.re/file/01169e45c035f262f4389d167f9d5971

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b/

Verdict:

Malicious

Threat:

Family.QUASARRAT

Link:

https://tip.neiki.dev/file/bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2026-03-08 14:57:22 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

32 of 38 (84.21%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=xlj72gji5yos6ytmujvdipap546ng7yzsn7rlzz3e3ywhlnn6znq._file

Verdict:

malicious

Label(s):

quasarrat

Similar samples:

error

QuasarRAT

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:wizard builder discovery execution persistence spyware trojan

Link:

https://tria.ge/reports/260308-sb8tcahy9j/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Drops file in System32 directory

Looks up external IP address via web service

Executes dropped EXE

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

213.142.133.155:1313

Unpacked files

SH256 hash:

bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b

MD5 hash:

01169e45c035f262f4389d167f9d5971

SHA1 hash:

02ff3dd780dcecc0dcb5e4d7a2fb3f08c9eddcff

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/f9a98c85-56d0-4a10-8ba9-e163274881b4/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/bad3fd1928ee/report/overview.html

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

Threat name:

iSpy Keylogger

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b

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:	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:	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:	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
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:	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:	ditekshen
Description:	QuasarRAT payload

Rule name:	quasarrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	quasarrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

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 Create hunting rule
Author:	@SOCRadar
Description:	Detects Quasar RAT

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_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.

QuasarRAT

bat fd7e11f86e83e09db93060d7b96516a16d28efd2651ff36343ee6e6f209fc86c

QuasarRAT

exe bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b

(this sample)

Cape

https://www.capesandbox.com/analysis/56648/

Dropped by

SHA256 fd7e11f86e83e09db93060d7b96516a16d28efd2651ff36343ee6e6f209fc86c

Dropped by

MD5 88607a9063984ddee3b7d602e68fa780

Comments

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Jeff Archer commented on 2026-03-08 15:01:14 UTC

RAT King Parser (https://github.com/jeFF0Falltrades/rat_king_parser) Output:

{
"sha256": "bad3fd1928ee1d2f626ca26a343c0fef3cd37f19937f15e73b26f163adadf65b",
"yara_possible_family": "quasarrat",
"key": "bfea2833f7228f299db0a7db7ed44e73",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.3.0.0",
"obfuscated_key_2": "213.142.133.155:1313;",
"obfuscated_key_3": 3000,
"obfuscated_key_4": "d9MMJuEQ8I4zCM6n7SN+7w==",
"obfuscated_key_5": "Jl4um5zdSYycOPPZqJO3FVJARTT2t6F+gWNZfEB1uuB6vZbEttiXdSeRZaBc1LPLCoN8wZyFErMCApXsUU/5kg==",
"obfuscated_key_6": "SYSTEMX86",
"obfuscated_key_7": "SubDir",
"obfuscated_key_8": "Client.exe",
"obfuscated_key_9": true,
"obfuscated_key_10": true,
"obfuscated_key_11": "QSR_MUTEX_Lgy3lwk3JiHaRTtJ9F",
"obfuscated_key_12": "Quasar Client Startup",
"obfuscated_key_13": false,
"obfuscated_key_14": false,
"obfuscated_key_15": "M5I1OI3qtKKN5scIKjd1",
"obfuscated_key_16": "Wizard Builder",
"obfuscated_key_17": "Logs",
"obfuscated_key_18": false,
"obfuscated_key_19": false
}
}