MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf. 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: 18

Intelligence 18 IOCs YARA 39 File information Comments 1

SHA256 hash:	d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf
SHA3-384 hash:	296cfda298025a3e0e5f4e80cc2b4d627e8266dfca69d592dd335136968ed038fcde991c5d7d51bd0108bd6bc9648a48
SHA1 hash:	fecedae31091280b948103776d1c4c5c58476370
MD5 hash:	1a65ed3ed5c6431b6c94d1a671f8e48d
humanhash:	july-pennsylvania-solar-johnny
File name:	d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'389'440 bytes
First seen:	2026-02-10 09:18:34 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'810 x AgentTesla, 19'731 x Formbook, 12'280 x SnakeKeylogger)
ssdeep	49152:hm0X4VcpfAdACVKQg6+CWGY+orn2FtRD1MHHn72eh2NT:hmCrlCVKQg6+C9U4
Threatray	800 similar samples on MalwareBazaar
TLSH	T1DBF56C1477F85F27E2BF8372A5B0005297F1E82AB367EB0B658166BA1C53B015D427B3
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:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

176

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

QuasarRAT

Details

Link:

https://research.acce.ciphertechsolutions.com/results/6edc1367-8f19-4eb7-a00b-e437420e8f14/

Malware family:

quasar

ID:

File name:

_d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf.exe

Verdict:

Malicious activity

Analysis date:

2026-02-10 09:19:32 UTC

Tags:

crypto-regex quasar amsi-bypass

Link:

https://app.any.run/tasks/8807b9fd-7cd5-4ada-a42a-d5cc16c62646

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/52887/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Msilheracles-9900242-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Packed.Downeks-6898097-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=698af81742fd65534cce3837

Tags:

infosteal vmdetect quasar

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm anti-vm base64 evasive infostealer obfuscated obfuscated reconnaissance stealer

Link:

https://www.filescan.io/uploads/698af812981ff1d38a4f9df4/reports/9e19b4e2-0b22-43c1-8959-8aa867e617f8/overview

Verdict:

Malicious

Labled as:

Dump:Generic.Beacon.Marte.Z

Link:

https://www.hybrid-analysis.com/sample/d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-02-10T01:44:00Z UTC

Last seen:

2026-02-10T18:33:00Z UTC

Hits:

~10

Detections:

Trojan-PSW.MSIL.Stealer.sb Trojan-PSW.MSIL.Agent.sb Trojan.Win32.Quasar.sb Trojan.MSIL.Quasar.a HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan.Win32.Generic HEUR:Exploit.MSIL.BypassUAC.gen Trojan-PSW.Win32.Stealer.sb HEUR:Trojan-Dropper.MSIL.Agent.gen HEUR:Trojan-Banker.MSIL.ClipBanker.gen HEUR:Trojan.MSIL.Quasar.gen HEUR:Exploit.MSIL.BypassUAC.c Backdoor.MSIL.Crysan.d Trojan-PSW.Win32.Disco.sb

Link:

https://opentip.kaspersky.com/d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0c5e3135-3019-49e1-84cd-fe52da6394c3

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf

Verdict:

inconclusive

YARA:

15 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.32 Win 32 Exe x86

Link:

https://app.malva.re/file/1a65ed3ed5c6431b6c94d1a671f8e48d

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf/

Verdict:

Malicious

Threat:

Family.QUASARRAT

Link:

https://tip.neiki.dev/file/d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2026-02-10 05:23:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 36 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=3csppptc4joiizjkhxiil4e34luk64lnbrgneb5dnndf66owxkxq._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

7fdfd7462481634f41f936913f011b6e6f7cc6ba63e3e52663f5ca597de7d086

QuasarRAT

86edb76b62fa2b60401b826c54f3404f543f3348c38ec270954bff00b403c686

QuasarRAT

d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf

QuasarRAT

edde1d6eb14cff85edf21df06743d2d800dd5b495721642d054d23a9a5aa1142

QuasarRAT

error

QuasarRAT

+ 790 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:luma spyware trojan

Link:

https://tria.ge/reports/260210-k9953ahz3h/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

193.161.193.99:61262

Unpacked files

SH256 hash:

d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf

MD5 hash:

1a65ed3ed5c6431b6c94d1a671f8e48d

SHA1 hash:

fecedae31091280b948103776d1c4c5c58476370

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/7218903d-a3cb-46f1-8777-cdae78e7101d/

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/d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf

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:	BLOWFISH_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for Blowfish constants

Rule name:	Check_VBox_Guest_Additions Create hunting rule

Rule name:	Check_VmTools Create hunting rule

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__RemoteAPI 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:	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:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	INDICATOR_SUSPICIOUS_Binary_References_Browsers Create hunting rule
Author:	ditekSHen
Description:	Detects binaries (Windows and macOS) referencing many web browsers. Observed in information stealers.

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_UACBypass_CMSTPCMD Create hunting rule
Author:	ditekSHen
Description:	Detects Windows exceutables bypassing UAC using CMSTP utility, command line and INF

Rule name:	INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer Create hunting rule
Author:	ditekSHen
Description:	detects Windows exceutables potentially bypassing UAC using eventvwr.exe

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

Rule name:	INDICATOR_SUSPICIOUS_VM_Evasion_VirtDrvComb Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing combination of virtualization drivers

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_Win_QuasarStealer Create hunting rule
Author:	ditekshen
Description:	Detects Quasar infostealer

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:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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:	pe_imphash Create hunting rule

Rule name:	quasarrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	quasarrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	RC6_Constants Create hunting rule
Author:	chort (@chort0)
Description:	Look for RC6 magic constants in binary
Reference:	https://twitter.com/mikko/status/417620511397400576

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

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:	TH_Win_ETW_Bypass_2025_CYFARE Create hunting rule
Author:	CYFARE
Description:	Windows ETW Bypass Detection Rule - 2025
Reference:	https://cyfare.net/

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

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

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/52887/

Comments

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commented on 2026-02-10 09:21:14 UTC

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

{
"sha256": "d8a4f7be62e25c84652a3dd085f09be2e8af716d0c4cd207a36b465f79d6baaf",
"yara_possible_family": "quasarrat",
"key": "28b94d0df0f57529f237ca4d26b4d44d5214106c7cba9487de5403e00c272e7e",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.4.1",
"obfuscated_key_2": "193.161.193.99:61262;",
"obfuscated_key_3": 3000,
"obfuscated_key_4": "APPLICATIONDATA",
"obfuscated_key_5": "SubDir",
"obfuscated_key_6": "Client.exe",
"obfuscated_key_7": false,
"obfuscated_key_8": false,
"obfuscated_key_9": "c98667a8-ddc7-449d-91de-0ba8593a5cb5",
"obfuscated_key_10": "Quasar Client Startup",
"obfuscated_key_11": false,
"obfuscated_key_12": true,
"obfuscated_key_13": "F70B939C9589108A97FA90366C8897388528014A",
"obfuscated_key_14": "Luma",
"obfuscated_key_15": "g",
"obfuscated_key_16": "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",
"obfuscated_key_17": "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",
"obfuscated_key_18": true,
"obfuscated_key_19": false,
"obfuscated_key_20": "",
"obfuscated_key_21": "",
"obfuscated_key_22": true,
"obfuscated_key_23": false,
"obfuscated_key_24": false,
"obfuscated_key_25": false,
"obfuscated_key_26": false,
"obfuscated_key_27": false,
"obfuscated_key_28": false,
"obfuscated_key_29": false,
"obfuscated_key_30": "APPLICATIONDATA",
"obfuscated_key_31": 50
}
}