MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0. 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: 21

Intelligence 21 IOCs YARA 34 File information Comments 1

SHA256 hash:	6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0
SHA3-384 hash:	a1baba744ec579b3b6f14bf9f994d64694f0b2febc7060659b7b08d75640ccbfab74a4a384e9c41c1f3480f66a7c4ea2
SHA1 hash:	cc8188de5c97a2c0e57a15a6da8583223cbfa66f
MD5 hash:	5b6e0a1d32407cafb8aea03ebb57bd6e
humanhash:	whiskey-high-april-washington
File name:	Client-built.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	356'352 bytes
First seen:	2025-08-29 07:57:12 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'672 x AgentTesla, 19'489 x Formbook, 12'212 x SnakeKeylogger)
ssdeep	6144:9l6bPXhLApfpqicEOWJPg/zbvV3kRGk8BthDK+5jZS:3mhApOWWXV3kRGk8BthDK+5tS
TLSH	T149748C1377A8EA3BD1FD5336E43245144BB0D883BA16F38F9A5897B92C123868D513B3
TrID	58.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 13.2% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 8.4% (.EXE) Win64 Executable (generic) (10522/11/4) 5.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.0% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	JAMESWT_WT
Tags:	5-133-102-214 exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

Client-built.exe

Verdict:

Malicious activity

Analysis date:

2025-08-29 07:44:09 UTC

Tags:

quasar rat evasion

Link:

https://app.any.run/tasks/c06fc519-02b3-4a12-885d-025b01f2604b

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/24105/

Detection(s):

Win.Packed.Generic-9829635-0

Win.Packed.Generic-9830106-0

Win.Packed.QuasarRAT-10012744-0

Win.Trojan.Generic-6295765-0

Win.Malware.Generic-6623004-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=68b15d7ceb163e0ec18306be

Tags:

dropper quasar word remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Setting a keyboard event handler

Creating a file in the %AppData% subdirectories

Creating a window

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm fingerprint infostealer keylogger lolbin obfuscated obfuscated obfuscated quasar rat runonce stealer stealer threat vbnet vermin xrat

Link:

https://www.filescan.io/uploads/68b15d7a8d7e23876184927c/reports/f45736aa-d214-41b1-b485-76b1fc795076/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-08-27T20:10:00Z UTC

Last seen:

2025-08-27T20:10:00Z UTC

Hits:

~10

Detections:

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

Link:

https://opentip.kaspersky.com/6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/a3d6a22d-adc9-4c21-a5b1-90c0b564fccf

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0

Gathering data

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0/

Verdict:

Malicious

Threat:

Family.QUASAR

Link:

https://tip.neiki.dev/file/6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-08-28 00:12:30 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

30 of 36 (83.33%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=n2xghdmll7nnhjuc3yjvhuyhgp2mc5pgfmdxh7tynnyliato5kqa._file

Verdict:

malicious

Label(s):

quasarrat

Similar samples:

error

QuasarRAT

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:office04 discovery spyware trojan

Link:

https://tria.ge/reports/250829-jtl8mahl7z/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

System Location Discovery: System Language Discovery

Looks up external IP address via web service

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

5.133.102.214:1604

Verdict:

Malicious

Tags:

rat quasar_rat vermin Win.Packed.Generic-9829635-0 AZORult Qasar_Rat External_IP_Lookup VoidRat

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/b9d37839-7106-4f43-9d1e-5267d6db6326

Unpacked files

SH256 hash:

6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0

MD5 hash:

5b6e0a1d32407cafb8aea03ebb57bd6e

SHA1 hash:

cc8188de5c97a2c0e57a15a6da8583223cbfa66f

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/a376d99c-b8a7-4948-a04f-2bf87c90829e/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/6eae638d8b5f/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/6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0

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:	CP_AllMal_Detector Create hunting rule
Author:	DiegoAnalytics
Description:	CrossPlatform All Malwares Detector: Detect PE, ELF, Mach-O, scripts, archives; overlay, obfuscation, encryption, spoofing, hiding, high entropy, network communication

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:	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:	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
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 Create hunting rule
Description:	Detects Quasar RAT

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.

Web download

QuasarRAT

exe 6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0

(this sample)

Cape

https://www.capesandbox.com/analysis/24105/

URLhaus

https://urlhaus.abuse.ch/url/3613499/

Delivery method

Distributed via web download

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

commented on 2025-08-29 08:00:58 UTC

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

{
"sha256": "6eae638d8b5fdad3a682de1353d30733f4c175e62b0773fe786b70b4026eeaa0",
"yara_possible_family": "quasarrat",
"key": "24fdc457305d611a59bf710b45c8c80b",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.3.0.0",
"obfuscated_key_2": "5.133.102.214:1604;",
"obfuscated_key_3": 3000,
"obfuscated_key_4": "1WvgEMPjdwfqIMeM9MclyQ==",
"obfuscated_key_5": "NcFtjbDOcsw7Evd3coMC0y4koy/SRZGydhNmno81ZOWOvdfg7sv0Cj5ad2ROUfX4QMscAIjYJdjrrs41+qcQwg==",
"obfuscated_key_6": "APPLICATIONDATA",
"obfuscated_key_7": "SubDir",
"obfuscated_key_8": "Client.exe",
"obfuscated_key_9": false,
"obfuscated_key_10": false,
"obfuscated_key_11": "QSR_MUTEX_NQFixzGIR278BKeJrt",
"obfuscated_key_12": "WindowsKoruma",
"obfuscated_key_13": false,
"obfuscated_key_14": true,
"obfuscated_key_15": "zQX24RD9qZtdoMKzPEfo",
"obfuscated_key_16": "Office04",
"obfuscated_key_17": "Logs",
"obfuscated_key_18": false,
"obfuscated_key_19": false
}
}