MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 edf4c8e33b3f5f2009b8693b604f7b678084133c3db4e414972413c794d13abb. 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: 15

Intelligence 15 IOCs YARA 33 File information Comments

SHA256 hash:	edf4c8e33b3f5f2009b8693b604f7b678084133c3db4e414972413c794d13abb
SHA3-384 hash:	50f41a92b69008a134c840661d7d0e25417286894237f27d9df02a36e31e3bd2b4fd7a79c82804bd404806fdfa8fbe42
SHA1 hash:	5748d854a608cf53cb752ff3cfc93f6c728663be
MD5 hash:	d2ebd4669742c3eca630f806cbf56930
humanhash:	floor-spaghetti-gee-oklahoma
File name:	Client.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	355'407 bytes
First seen:	2025-11-23 00:10:02 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'854 x AgentTesla, 19'783 x Formbook, 12'304 x SnakeKeylogger)
ssdeep	6144:ImSiPqU23zk5QCV44q+Mpzbe3uQhuqD2sr3X3MW:3oU2244qtTQQqlr3X3MW
TLSH	T1C3748D23B7A8E63BD6BE173BF43206055BB0D647B616E38B5A5C54B86C133868D503B3
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	Hexastrike
Tags:	exe QuasarRAT

Intelligence

File Origin

# of uploads :

# of downloads :

105

Origin country :

Vendor Threat Intelligence

Detection:

QuasarRAT

Link:

https://www.capesandbox.com/analysis/39965/

Detection(s):

Win.Packed.Generic-9829635-0

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=69226381b6ee81118d2c72b9

Tags:

keylogger dropper quasar micro

Result

Verdict:

Malware

Maliciousness:

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm base64 byteguard fingerprint infostealer keylogger lolbin obfuscated obfuscated overlay packed quasar rat reconnaissance runonce stealer vbnet vermin xrat

Link:

https://www.filescan.io/uploads/69225e937d011c9c3a48795f/reports/e4397d11-9389-4e75-9873-25364f28f8a3/overview

Verdict:

Malicious

Labled as:

Dump:Generic.MSIL.PasswordStealerA

Link:

https://www.hybrid-analysis.com/sample/edf4c8e33b3f5f2009b8693b604f7b678084133c3db4e414972413c794d13abb

Verdict:

Malicious

File Type:

exe x32

First seen:

2025-10-27T08:14:00Z UTC

Last seen:

2025-10-27T08:33:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/edf4c8e33b3f5f2009b8693b604f7b678084133c3db4e414972413c794d13abb/results?tab=lookup

Gathering data

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/edf4c8e33b3f5f2009b8693b604f7b678084133c3db4e414972413c794d13abb

Verdict:

QuasarRat

YARA:

14 match(es)

Tags:

.Net Executable Malicious Managed .NET PE (Portable Executable) PE Memory-Mapped (Dump) QuasarRat RAT SOS: 0.61

Malware Config

C2 Extraction:

PORT: anydesks.duckdn
CNC: anydesks.duckdn
PORT: 2
CNC: 154.53.50.145
PORT: 2
CNC: 5.189.132.160

Link:

https://app.malva.re/file/d2ebd4669742c3eca630f806cbf56930

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/edf4c8e33b3f5f2009b8693b604f7b678084133c3db4e414972413c794d13abb/

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-11-18 15:33:47 UTC

AV detection:

29 of 37 (78.38%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=5x2mryz3h5psacnyne5wat33m6aiiez4hw2oifexeqj4pfgrhk5q._file

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:microsoft

Link:

https://tria.ge/reports/251123-bhh3tswmht/

Malware Config

C2 Extraction:

5.189.132.160:2
154.53.50.145 :2
anydesks.duckdns.org:2

Verdict:

Malicious

Tags:

rat quasar_rat vermin Win.Packed.Generic-9829635-0

YARA:

JPCERTCC_Quasar MALWARE_Win_QuasarRAT MAL_QuasarRAT_May19_1 Quasar_RAT_1 Quasar_RAT_2 Vermin_Keylogger_Jan18_1 Windows_Trojan_Quasarrat_e52df647 malware_Quasar_strings malware_windows_quasarrat win_quasar_rat_client

Link:

https://app.threat.zone/submission/3b160b29-f679-4ca5-90dc-7eb38e0d3f8a

Unpacked files

SH256 hash:

edf4c8e33b3f5f2009b8693b604f7b678084133c3db4e414972413c794d13abb

MD5 hash:

d2ebd4669742c3eca630f806cbf56930

SHA1 hash:

5748d854a608cf53cb752ff3cfc93f6c728663be

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/de16fefd-91f8-4c4b-961d-16295eef2da2/

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

Threat name:

Suspicious File

Score:

0.42

Link:

https://yomi.yoroi.company/submissions/edf4c8e33b3f5f2009b8693b604f7b678084133c3db4e414972413c794d13abb

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.

Cape

https://www.capesandbox.com/analysis/39965/

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