MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 439b73b50c9e5c161b070a4eafa6a56ddb4ea6daf155b8dc06105028a7d04fd2. 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: 11

Intelligence 11 IOCs YARA 31 File information Comments

SHA256 hash:	439b73b50c9e5c161b070a4eafa6a56ddb4ea6daf155b8dc06105028a7d04fd2
SHA3-384 hash:	190ebb39fa71abfd05ee0f1b6eb50864315a60c5cb4085aa25dd352ff2360d1a0b698875c8c5e42e4a2611189dd0b81c
SHA1 hash:	3ef14a32a79cba1fda6ad3ce4ea066d456628f0d
MD5 hash:	e98cbcc77f97b1f3c985dfe1e8f88831
humanhash:	single-network-cold-mars
File name:	Filezo 6.0.18 + CRACK.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	94'415'039 bytes
First seen:	2026-07-15 19:27:39 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	2057790ae7855765d51bdc4142e62f9c (3 x ValleyRAT, 3 x SalatStealer, 3 x QuasarRAT)
ssdeep	1572864:vnhHO2j6mvwauwP65Wq19Qidwnn21tNIS0PiAnvsftepwJj7SaXraXBt+a84id44:vnhDvkwP65Wq1+idAn21tLiklepwJiS9
TLSH	T1E528338CEB90C5FAD22644355D8B4E01EDB8FCA14B55D296334C76972E31382FE2D3A9
TrID	93.7% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39) 2.3% (.EXE) Win64 Executable (generic) (6522/11/2) 1.7% (.EXE) Win16 NE executable (generic) (5038/12/1) 0.7% (.EXE) OS/2 Executable (generic) (2029/13) 0.7% (.EXE) Generic Win/DOS Executable (2002/3)
Magika	pebin
dhash icon	5050d270cccc82ae (113 x Adware.Generic, 81 x OffLoader, 43 x LummaStealer)
Reporter	aachum
Tags:	exe QuasarRAT stopman-ooguy-com

iamaachum

https://archive.org/details/filezo-6.0.18-crack

QuasarRAT C2: stopman.ooguy.com:2002 (5.252.100.247:2002)

Intelligence

File Origin

# of uploads :

# of downloads :

285

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/9297b7e4-4d07-47c8-8c57-1daedc32abbb/

Verdict:

Malicious

Score:

94.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6a57e09eb3055706bb555e36

Tags:

ransomware autorun dropper virus

Verdict:

Likely Malicious

Threat level:

7.5/10

Confidence:

100%

Tags:

anti-debug crypto fingerprint installer installer installer-heuristic large-file microsoft_visual_cc overlay packed packed reconnaissance sfx

Link:

https://www.filescan.io/uploads/6a57df6c6758268517acf09b/reports/9b4d6a27-ce9f-4433-86d6-f66163bf6751/overview

Verdict:

Suspicious

Labled as:

Trojan.Injuke

Link:

https://www.hybrid-analysis.com/sample/439b73b50c9e5c161b070a4eafa6a56ddb4ea6daf155b8dc06105028a7d04fd2

Verdict:

Malicious

File Type:

exe x64

First seen:

2026-07-16T17:24:00Z UTC

Last seen:

2026-07-16T20:37:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/439b73b50c9e5c161b070a4eafa6a56ddb4ea6daf155b8dc06105028a7d04fd2/results?tab=lookup

Gathering data

Score:

67%

Verdict:

Susipicious

File Type:

Link:

https://malprob.io/report/439b73b50c9e5c161b070a4eafa6a56ddb4ea6daf155b8dc06105028a7d04fd2

Gathering data

Threat name:

Win64.Trojan.ZigClipper

Status:

Malicious

First seen:

2026-07-15 19:31:37 UTC

File Type:

PE+ (Exe)

Extracted files:

4491

AV detection:

15 of 38 (39.47%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=ionxhnimtzobmgyhbjhk7jvfnxnu5jw26fk3rxagcbicrj6qj7ja._file

Verdict:

malicious

Label(s):

quasarrat

Similar samples:

error

QuasarRAT

Result

Malware family:

n/a

Score:

7/10

Tags:

discovery installer

Link:

https://tria.ge/reports/260715-x63b9sc16k/

Behaviour

Suspicious use of WriteProcessMemory

Inno Setup is an open-source installation builder for Windows applications.

Enumerates physical storage devices

System Location Discovery: System Language Discovery

Checks computer location settings

Executes dropped EXE

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/439b73b50c9e/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

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:	implant_win_quasarrat Create hunting rule
Author:	Sekoia.io
Description:	Detect QuasarRAT (reted from samples 2023-03)
Reference:	https://blog.alyac.co.kr/5103

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_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 (https://www.lukeacha.com)
Description:	Generic detection for multiple RAT families, PUPs, packers and suspicious executables. NOTE: This rule may produce false positives. Updated May 2026 to reduce False Positives.

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:	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_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
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:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

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 439b73b50c9e5c161b070a4eafa6a56ddb4ea6daf155b8dc06105028a7d04fd2

(this sample)

Link

https://tria.ge/260715-xvfdcsf17x/behavioral3

Delivery method

Distributed via web download

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