MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 01b462aa8a19eceb190df746c76cd7021fff5361ded45ac71eb6fb50ed23a89c. 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: 19

Intelligence 19 IOCs YARA 32 File information Comments 2

SHA256 hash:	01b462aa8a19eceb190df746c76cd7021fff5361ded45ac71eb6fb50ed23a89c
SHA3-384 hash:	2313b73c14bff618c248a02e48170684d3767fadce02d3d4c8c2b37438849d1cf9787fa0e08c60ccc728d134970c8d6d
SHA1 hash:	e2f50ba7d4bf3fafc3f144311351aef2f2b40154
MD5 hash:	d104fd33294068d25672b6c6964c0b32
humanhash:	utah-tennessee-finch-wolfram
File name:	Client.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	356'352 bytes
First seen:	2025-07-22 09:39:15 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:C46bPXhLApfpJ+RCIoqAbD4hXggF7B5o23X2dzaBTTe:nmhApKCWugF7BCYX2dzaBe
Threatray	635 similar samples on MalwareBazaar
TLSH	T1CB748D5773A4E53BD1FD173AE43246050BB0D887B612F38B5A6C46B96D233868D923B3
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	skocherhan
Tags:	exe github-MockaPro QuasarRAT

skocherhan

https://github.com/MockaPro/q/raw/refs/heads/main/Client.exe

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Malware family:

quasar

ID:

File name:

Client.exe

Verdict:

Malicious activity

Analysis date:

2025-07-22 09:40:02 UTC

Tags:

evasion quasar rat auto-reg

Link:

https://app.any.run/tasks/8ff26a93-1dd9-4d84-822e-938f3718ba25

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/16261/

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=687f5c482f623871a5f1b4f0

Tags:

autorun quasar proxy

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Сreating synchronization primitives

DNS request

Connection attempt

Sending an HTTP GET request

Launching a process

Setting a keyboard event handler

Creating a file in the %AppData% subdirectories

Creating a window

Connection attempt to an infection source

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Query of malicious DNS domain

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

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

Link:

https://www.filescan.io/uploads/687f5c578a7d628a81bc2d9e/reports/a0787e95-fbe8-44b2-a53f-fcb1ede12467/overview

Verdict:

Malicious

Labled as:

MSIL.PasswordStealerA.Generic

Link:

https://www.hybrid-analysis.com/sample/01b462aa8a19eceb190df746c76cd7021fff5361ded45ac71eb6fb50ed23a89c

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/8a80d4d9-8649-42b7-b6d5-df32f61a9f87

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/01b462aa8a19eceb190df746c76cd7021fff5361ded45ac71eb6fb50ed23a89c

Verdict:

QuasarRat

YARA:

16 match(es)

Tags:

.Net Executable Malicious PE (Portable Executable) QuasarRat RAT SOS: 0.61 Win 32 Exe x86

Malware Config

C2 Extraction:

PORT: 7.tcp.eu.ngrok.i
CNC: 7.tcp.eu.ngrok.i

Link:

https://app.malva.re/file/d104fd33294068d25672b6c6964c0b32

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/01b462aa8a19eceb190df746c76cd7021fff5361ded45ac71eb6fb50ed23a89c/

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2025-07-16 11:37:28 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

32 of 36 (88.89%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=ag2gfkukdhwowgin65dmo3gxaip76u3b33kfvry6w35vb3jdvcoa._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

0aa2b99b072736a522905c80505e8bfb45f545ee4d4f5a2fc02fb8f163b44225

QuasarRAT

3240ba805b47c8113426171d02796e776b782cbd76560c024cbea07fbe519d7d

QuasarRAT

3f7c3e6ad47622eb559c923c12fe588fe4bf14bff307fafbcfc1b1fb08f64457

QuasarRAT

8a54d056aeda3294b96434794bfc06246f4d88585773b0da3fdd1aebdae80da4

QuasarRAT

e61ed0d2ac83d2875180b1a33e04834aa6ca7dba7a5663e8d6e65a4482537576

QuasarRAT

error

QuasarRAT

+ 625 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:sigorta discovery execution persistence spyware trojan

Link:

https://tria.ge/reports/250722-lmr7eavps5/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

System Location Discovery: System Language Discovery

Legitimate hosting services abused for malware hosting/C2

Looks up external IP address via web service

Quasar RAT

Quasar family

Quasar payload

Malware Config

C2 Extraction:

7.tcp.eu.ngrok.io:17045

Verdict:

Malicious

Tags:

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

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/651e8293-5499-4c94-89d9-2c01d4951294

Unpacked files

SH256 hash:

01b462aa8a19eceb190df746c76cd7021fff5361ded45ac71eb6fb50ed23a89c

MD5 hash:

d104fd33294068d25672b6c6964c0b32

SHA1 hash:

e2f50ba7d4bf3fafc3f144311351aef2f2b40154

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/1c144493-2852-49fe-a4ef-5420177cc06d/

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/01b462aa8a19eceb190df746c76cd7021fff5361ded45ac71eb6fb50ed23a89c

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:	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 Create hunting rule
Author:	jeFF0Falltrades

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.

Web download

QuasarRAT

exe 01b462aa8a19eceb190df746c76cd7021fff5361ded45ac71eb6fb50ed23a89c

(this sample)

Cape

https://www.capesandbox.com/analysis/16261/

URLhaus

https://urlhaus.abuse.ch/url/3588224/

Delivery method

Distributed via web download

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 19:07:37 UTC

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

{
"sha256": "01b462aa8a19eceb190df746c76cd7021fff5361ded45ac71eb6fb50ed23a89c",
"yara_possible_family": "quasarrat",
"key": "6b099dba8ec9738b408f1c48b1cc175f",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"obfuscated_key_1": "1.3.0.0",
"obfuscated_key_2": "7.tcp.eu.ngrok.io:17045;",
"obfuscated_key_3": 3000,
"obfuscated_key_4": "1WvgEMPjdwfqIMeM9MclyQ==",
"obfuscated_key_5": "NcFtjbDOcsw7Evd3coMC0y4koy/SRZGydhNmno81ZOWOvdfg7sv0Cj5ad2ROUfX4QMscAIjYJdjrrs41+qcQwg==",
"obfuscated_key_6": "APPLICATIONDATA",
"obfuscated_key_7": "SubDir",
"obfuscated_key_8": "Client.exe",
"obfuscated_key_9": false,
"obfuscated_key_10": true,
"obfuscated_key_11": "QSR_MUTEX_dgydzj5ToxxH1rKggP",
"obfuscated_key_12": "svchost",
"obfuscated_key_13": false,
"obfuscated_key_14": true,
"obfuscated_key_15": "Kt5tujySshqdmF2VVFf3",
"obfuscated_key_16": "S\u0130GORTA",
"obfuscated_key_17": "Logs",
"obfuscated_key_18": false,
"obfuscated_key_19": false
}
}

commented on 2025-08-08 18:58:28 UTC