MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 97e45607b33e6eef80425aea38d76adfb325bc30e8b857369a9f67c48616dde9. 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 27 File information Comments 2

SHA256 hash:	97e45607b33e6eef80425aea38d76adfb325bc30e8b857369a9f67c48616dde9
SHA3-384 hash:	0b087ab921d96cc4eace8a7c2334b3cdfaa2f8de317131728e9a8ec61caa795f70f5aeb46cf6477d81561be5b341d9ac
SHA1 hash:	3fa083ddf434ff68646487957fac6ef614bee008
MD5 hash:	01f3ee0da352b715fa285bc9a85dd5c1
humanhash:	cup-cola-comet-alanine
File name:	522.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'266'048 bytes
First seen:	2025-07-31 08:48:05 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger)
ssdeep	49152:fvbI22SsaNYfdPBldt698dBcjHi4mfmz4LoGdUTHHB72eh2NT:fvk22SsaNYfdPBldt6+dBcjHi4mp
Threatray	1'256 similar samples on MalwareBazaar
TLSH	T18CE54A0477F85E62E56AD3B2D5F0542363F0F82EF3A3EB0B5191677A1C93B4098426A7
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	Joker
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

522.exe

Verdict:

Malicious activity

Analysis date:

2025-07-31 08:50:24 UTC

Tags:

rat quasar remote evasion

Link:

https://app.any.run/tasks/e0991d78-8d5b-469e-930e-1532629fe6e4

Note:

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

Detection:

QuasarStealer

Link:

https://www.capesandbox.com/analysis/17944/

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=688b2ddfaf3050dc8d32a369

Tags:

infosteal asyncrat quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

DNS request

Connection attempt

Sending a custom TCP request

Using the Windows Management Instrumentation requests

Connection attempt to an infection source

Sending a TCP request to an infection source

Verdict:

Malicious

Labled as:

Trojan.Agent

Link:

https://www.hybrid-analysis.com/sample/97e45607b33e6eef80425aea38d76adfb325bc30e8b857369a9f67c48616dde9

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/e58c7c77-6cce-473f-a1f1-098447c6e135

Score:

99%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/97e45607b33e6eef80425aea38d76adfb325bc30e8b857369a9f67c48616dde9

Verdict:

inconclusive

YARA:

13 match(es)

Tags:

.Net Executable PE (Portable Executable) Win 32 Exe x86

Link:

https://app.malva.re/file/01f3ee0da352b715fa285bc9a85dd5c1

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/97e45607b33e6eef80425aea38d76adfb325bc30e8b857369a9f67c48616dde9/

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-07-29 12:37:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

32 of 37 (86.49%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=s7sfmb5thzxo7accllvdrv3k36zslpbq5c4fonu2t5t4jbqw3xuq._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

4e01c76200fe5e4cde437fdd12b42c9d2c884018b7f9b89e097ff53ee4e75ec9

QuasarRAT

504f583f7c492b845e1cca28fa4eb8d7b2a6268ca72e21fc2d1c4c25a8c597ac

QuasarRAT

56bd84e77da1de080c2d5c42b6f101574e7146b200026ea9468703d742edec10

QuasarRAT

error

QuasarRAT

f1369f6d5a14faf0f921e01db5024a65f919434b9b7efef1e3c765c9bb209861

QuasarRAT

f99ecbd9f26048dbb962f1711199e5f5d00ac8bbd87f539dd5a99631a15fadba

QuasarRAT

fd49d4b1ef0849f114fe56c7d4029d8e58869be97420e80ffda9aeb6d50d5555

QuasarRAT

+ 1'246 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:test spyware trojan

Link:

https://tria.ge/reports/250731-kqm67aep2y/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Enumerates physical storage devices

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

8.134.74.227:443

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/f535d2ef-44b2-4eb3-ab5e-a82f059c72d2

Unpacked files

SH256 hash:

97e45607b33e6eef80425aea38d76adfb325bc30e8b857369a9f67c48616dde9

MD5 hash:

01f3ee0da352b715fa285bc9a85dd5c1

SHA1 hash:

3fa083ddf434ff68646487957fac6ef614bee008

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/545a541b-40bd-40b2-96fd-03182c9ad743/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/97e45607b33e/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/97e45607b33e6eef80425aea38d76adfb325bc30e8b857369a9f67c48616dde9

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:	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/17944/

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

Comments

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commented on 2025-08-08 18:59:16 UTC

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

{
"sha256": "97e45607b33e6eef80425aea38d76adfb325bc30e8b857369a9f67c48616dde9",
"yara_possible_family": "quasarrat",
"key": "351cb40362c736717e0d72e8118e19ff829a9866fb52171be3366d241accff13",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.4.1",
"obfuscated_key_2": "8.134.74.227:443;",
"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": "f29ccac0-1158-4a76-a1fa-300943919241",
"obfuscated_key_10": "Quasar Client Startup",
"obfuscated_key_11": false,
"obfuscated_key_12": false,
"obfuscated_key_13": "9379A448D7822E004191DC6E824B91066479268F",
"obfuscated_key_14": "test",
"obfuscated_key_15": "Logs",
"obfuscated_key_16": "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",
"obfuscated_key_17": "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",
"obfuscated_key_18": false,
"obfuscated_key_19": false,
"obfuscated_key_20": "",
"obfuscated_key_21": "",
"obfuscated_key_22": false
}
}

commented on 2025-08-08 18:55:42 UTC