MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13. 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: 20

Intelligence 20 IOCs YARA 33 File information Comments 2

SHA256 hash:	13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13
SHA3-384 hash:	99ca0ba3b7b2b1b7a8e767f39603d520539943711ee7429fe329225689190887d16f7695d1f2a729ac8e16ceafba4532
SHA1 hash:	238d84c10078750ad3ac7df945ebc1cbeb282869
MD5 hash:	016becbef6598c26f79ce112eefe0f5b
humanhash:	juliet-green-xray-lake
File name:	Client-built.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	356'352 bytes
First seen:	2026-01-29 17:22:15 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep	6144:MzNHXf500MOicN7xZlBfEbbFqFXgCttrvai2:md50V27L34KXgCttrvai2
TLSH	T1E7747B1377E4EA3BD1FD173AE03246154BB0D493BA1AE39B5A5865F92C233868D443B3
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	BlinkzSec
Tags:	194-62-55-143 exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

101

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/459a6f71-c6d7-47be-8ea6-6ab72076e283/

Malware family:

quasar

ID:

File name:

_13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13.exe

Verdict:

Malicious activity

Analysis date:

2026-01-29 17:22:33 UTC

Tags:

evasion quasar rat

Link:

https://app.any.run/tasks/c849c7e5-4860-45b6-9cab-7f41c494e389

Note:

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

Gathering data

Detection(s):

Win.Packed.Generic-9829635-0

Win.Trojan.Generic-9829636-0

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=697b9756bec9764f452feacd

Tags:

dropper quasar sage remo

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Creating a window

Sending a custom TCP request

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 vermin xrat

Link:

https://www.filescan.io/uploads/697b9750981ff1d38a407267/reports/2949a0bf-a908-4cd5-a369-40a1748d28d7/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-01-29T13:58:00Z UTC

Last seen:

2026-01-30T12:53:00Z UTC

Hits:

~100

Detections:

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

Link:

https://opentip.kaspersky.com/13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/888dda02-8cbc-4f74-8d5f-4529e53dea61

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13

Gathering data

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13/

Verdict:

Malicious

Threat:

Family.QUASARRAT

Link:

https://tip.neiki.dev/file/13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2026-01-29 17:22:27 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

29 of 36 (80.56%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=co4szgthkjfa75ijr65qbnjsdhfzhsfl2i2zjm3iox7jemqpfijq._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/260129-vxq7jaax5g/

Behaviour

Runs ping.exe

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Enumerates physical storage devices

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Internet Connection Discovery

Looks up external IP address via web service

Checks computer location settings

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

194.62.55.143:1604

Unpacked files

SH256 hash:

13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13

MD5 hash:

016becbef6598c26f79ce112eefe0f5b

SHA1 hash:

238d84c10078750ad3ac7df945ebc1cbeb282869

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/ca5ebfe2-ec0e-43fe-92a1-de8194b5c0dd/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/13b92c9a6752/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/13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13

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:	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 13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/50709/

URLhaus

https://urlhaus.abuse.ch/url/3765711/

Comments

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commented on 2026-01-29 17:26:07 UTC

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

{
"sha256": "13b92c9a67524a0ff5098fbb00b53219cb93c8abd23594b36875fe92320f2a13",
"yara_possible_family": "quasarrat",
"key": "e7edc3930a2f408b86fb567ccdc8c3bb",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.3.0.0",
"obfuscated_key_2": "194.62.55.143:1604;",
"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_SmGlvOh7Du0cZwVEVw",
"obfuscated_key_12": "Quasar Client Startup",
"obfuscated_key_13": false,
"obfuscated_key_14": false,
"obfuscated_key_15": "SUcNbZQJfWVc1HuFRpYF",
"obfuscated_key_16": "Office04",
"obfuscated_key_17": "Logs",
"obfuscated_key_18": false,
"obfuscated_key_19": false
}
}

commented on 2026-01-29 17:24:14 UTC