MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd. 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 28 File information Comments 1

SHA256 hash:	808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd
SHA3-384 hash:	937e1412e63367f95c81b5ab715f99f31a6ab51415c6ec9a1274815eac96d39ece64a26fa259914b8c540f753cb22210
SHA1 hash:	d95edbff64a44cfbbfb6b90f4f603aed96005a62
MD5 hash:	0547b2ee604c51ef6362e79ef5e26ff1
humanhash:	coffee-october-london-delaware
File name:	loader.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'266'048 bytes
First seen:	2025-10-25 22:07:19 UTC
Last seen:	2025-11-22 23:59:41 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep	49152:mvkI22SsaNYfdPBldt698dBcjHXhq6vDmzaCoGd+fTHHB72eh2NT:mvJ22SsaNYfdPBldt6+dBcjHxq6vw
Threatray	1'448 similar samples on MalwareBazaar
TLSH	T1EEE55A0477F85E62E56BD3B2D5F0542363F0F82AF3A3EB0B5191677A1C93B4098426A7
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	burger
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

loader.exe

Verdict:

Malicious activity

Analysis date:

2025-10-25 22:07:16 UTC

Tags:

quasar

Link:

https://app.any.run/tasks/65557744-748c-4efd-9063-5ac78061c940

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/34123/

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=68fd4a126c859164aa6492a2

Tags:

infosteal quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Connection attempt

Sending a custom TCP request

DNS request

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm expand explorer infostealer lolbin obfuscated obfuscated obfuscated quasarrat remote runonce stealer stealer threat

Link:

https://www.filescan.io/uploads/68fd4a2a3a79800405f684ff/reports/9f735e37-87b7-4b80-bbe6-4f548635168b/overview

Verdict:

Malicious

Labled as:

Application.MSILHeracles.Generic

Link:

https://www.hybrid-analysis.com/sample/808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-10-25T19:37:00Z UTC

Last seen:

2025-10-26T23:08:00Z UTC

Hits:

~10

Detections:

Trojan.Win32.Quasar.sb Trojan.MSIL.Quasar.a HEUR:Trojan-Spy.MSIL.Agent.sb HEUR:Trojan.MSIL.Quasar.gen Trojan-PSW.Win32.Stealer.sb Trojan-PSW.MSIL.Agent.sb

Link:

https://opentip.kaspersky.com/808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/777119fa-a902-470c-9ba1-8fe62b65811b

Result

Threat name:

AsyncRAT, Quasar

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1801840

Signature

Antivirus / Scanner detection for submitted sample

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 submitted file

Sample uses string decryption to hide its real strings

Yara detected AsyncRAT

Yara detected Quasar RAT

Behaviour

Behavior Graph:

Download SVG

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd

Verdict:

inconclusive

YARA:

14 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.31 Win 32 Exe x86

Link:

https://app.malva.re/file/0547b2ee604c51ef6362e79ef5e26ff1

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd/

Verdict:

Malicious

Threat:

Family.QUASAR

Link:

https://tip.neiki.dev/file/808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-10-25 22:07:16 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 38 (81.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=qch7lfp7fobb5io7dvrnxuquxx6g2wfk6l3dwiep6nyt75b6ctoq._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

21ea4b39f79a9af056ffc368cc9e78abbddec1838885b00a4d7eaeeb306d8515

QuasarRAT

5e532dc348cea226907ee286cc623670b87c8f642262ea771b226b7b684fc7d9

QuasarRAT

b98bd65a0927c3dfc381b13df96e666fa2bb5bead3284864bc904b3ad657a6dc

QuasarRAT

c1b011778271c50b58e7d1cc972434f98671118a3dd381dc4fd5f52b5f2c42a2

QuasarRAT

error

QuasarRAT

+ 1'438 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:sigma spyware trojan

Link:

https://tria.ge/reports/251025-11yzfa1lgl/

Behaviour

Suspicious use of AdjustPrivilegeToken

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

194.107.126.124:6379

Verdict:

Malicious

Tags:

rat quasar_rat stealer Win.Malware.Generic-9883083-0

YARA:

MAL_QuasarRAT_May19_1 malware_windows_quasarrat win_quasar_rat_client MALWARE_Win_Quasarstealer

Link:

https://app.threat.zone/submission/50c4da80-3329-4741-98ef-eceffe9b1ab2

Unpacked files

SH256 hash:

808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd

MD5 hash:

0547b2ee604c51ef6362e79ef5e26ff1

SHA1 hash:

d95edbff64a44cfbbfb6b90f4f603aed96005a62

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/dfaf5e52-9b5c-4183-bc39-d1938d9b1ec9/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/808ff595ff2b/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/808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd

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:	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:	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:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

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_GENInfoStealer Create hunting rule
Author:	ditekSHen
Description:	Detects executables containing common artifacts observed in infostealers

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:	Windows_Generic_Threat_803feff4 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.

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/34123/

Comments

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commented on 2025-10-25 22:11:10 UTC

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

{
"sha256": "808ff595ff2b821ea1df1d62dbd214bdfc6d58aaf2f63b208ff3713ff43e14dd",
"yara_possible_family": "quasarrat",
"key": "65525f3128efcb6eda1db7453ecf32217cc1884e44da23c068773277f0b40a54",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.4.1",
"obfuscated_key_2": "194.107.126.124:6379;",
"obfuscated_key_3": 1500,
"obfuscated_key_4": "APPLICATIONDATA",
"obfuscated_key_5": "SubDir",
"obfuscated_key_6": "Client.exe",
"obfuscated_key_7": false,
"obfuscated_key_8": false,
"obfuscated_key_9": "e4b42a68-83f5-4d93-8b7e-2b902478d3c8",
"obfuscated_key_10": "Quasar Client Startup",
"obfuscated_key_11": false,
"obfuscated_key_12": false,
"obfuscated_key_13": "4727352FBF67AB1F35B2351A5DADD2D5408891AA",
"obfuscated_key_14": "sigma",
"obfuscated_key_15": "Logs",
"obfuscated_key_16": "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",
"obfuscated_key_17": "MIIE9DCCAtygAwIBAgIQAJ7pJS1rwzqWABbVO6GklzANBgkqhkiG9w0BAQ0FADAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMCAXDTI1MTAyMzIxNTQyNloYDzk5OTkxMjMxMjM1OTU5WjAbMRkwFwYDVQQDDBBRdWFzYXIgU2VydmVyIENBMIICIjANBgkqhkiG9w0BAQEFAAOCAg8AMIICCgKCAgEArDaG+NRMAohilCksBSduWJ2X8GOM/iFL5f8XgusHDo/MOGuTiAMXpEDCw387t8Wn9Kx0H1tl0Z2l0glL1pHd1i1LOQqPYwUz42OW5OZT3cTYdX08YpDDJdX0ydO72CgzLi51G21Xpo0OT7P1tEYbDb3ztK9pp79HHM6Zf2aCot7HnPRBBK9bnlooleZk0f5U3OBvuczUxkbPZVw9KSjLFR/u+HtMhfzOI6bc8+m4B5T7GUSJOyZ0wlcSKlkAvgcHmlXiv5EJcWC8eS2Hcj60BXuj4WKcjntjALdDntpgmSVtzALdrJHKpIJy6TTGBycPkMnExTzv9QzIWq05E63bcEP/pg/S/VUG9W5PVshwdpOg0/EaP0RMGtp/QCF2JYJageYcdQVg/9wW5TfGpUKpOdnYGjQoro2wCeaTFlTK+zPw+EtgeltQUmNpeYi5yRRtRXD9kanOgDIj81uVEN3z544I2YS8Q56H1cdpezGgzq5++WhTMJo4c92OADEyFmkGgc75s7b7n7lRaGnFl729+bqS3BYIZWSQkp17Aj4WVMFard6qaT1klcERtM8Kr6sWsuke9TQML9510Djpi16tLycJoQynbVCOgLLP6HGttR8BJWRII5Pvx4de9tmlvMYRHSVONbDgEHlIjkAzAJW6wTuWgy7d8wsvo9hQZ11iazECAwEAAaMyMDAwHQYDVR0OBBYEFKMVI+I21D99VNlRGnXO/M4d6MnNMA8GA1UdEwEB/wQFMAMBAf8wDQYJKoZIhvcNAQENBQADggIBAGg+PMMU/ess39BXum+9SCM1oy6asdpj9tzshfvsAx27r0ntAmTskxlbv8il6CnqBs10dcNoP9ZpaTyjtDNDHAfJszsTvLWKVFJaX+ce1FRHXCAp7CEGU3/zS0pwQpMMBtuz0KwYEXdoO0FA6Zl0UWPWGvJVXBOd/eUIZVbA6WTYMP1i91rH6BmBTBz/b/JuTJVI6WXXrPOo0RgR5Yw57rp74bSVEDTe64F0Za3U578M4kB7HVG0t3Ac3OT+9tSS1PmOjLPvINf5cXbeoUiF3KtENOr4TjS5IAe/IwYtUm0j/lwxjQsgqsPj0Li/Qz1mx0kFePrHLI0lLucKOVLyiDvzSkR39PILc8HfTkzICBbS7GdOhZQn0PvM4SH1PZSTOtmWv9De6o12nTYSeak8R2+e5XhlFutOYPaQBSzUGWtqFnC92hdGAlGH/0A0Fl+TFRJyz77OYbWEGMTjpwjDv2dzMKX82wrdt8EGRXOvrTO++3AJMnaXaaEStQGFiLIrCMQU9qZejKUqQ88QBkxRVqE6xl0ah4gD8vl8rzofJEyanILEllRir8sxKGMX/TSIeU4eSiIqNGxy3vQ+bNmtmuR6oXeKesUrq9jnWTRpTdibLOj75/Xz0frKIEXpsnh1G1+TUp+tG1e8fnDw/VVPNdykNypgdsPMofM5LQJ1SNbc",
"obfuscated_key_18": false,
"obfuscated_key_19": false,
"obfuscated_key_20": "",
"obfuscated_key_21": "",
"obfuscated_key_22": true
}
}