MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d6a46b51dae39f549563ebe0b5ea1ae70082dc26385b45d661ad6bfca384cc8d. 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 1 YARA 28 File information Comments

SHA256 hash:	d6a46b51dae39f549563ebe0b5ea1ae70082dc26385b45d661ad6bfca384cc8d
SHA3-384 hash:	d68d715eaca5e78c4ff02fde8ad6e9158f9faab1b95ac76ae21fb82139ee67c7902d10aad8ed9c2952825fb3d824d82d
SHA1 hash:	00e44e8bcf2097c71f73853825c4039a5cb155e6
MD5 hash:	b4bf8d61f17bd29716d4fe3f993f08ed
humanhash:	robert-hotel-mexico-eleven
File name:	aIg.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'269'632 bytes
First seen:	2026-04-14 14:03:00 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'859 x AgentTesla, 19'793 x Formbook, 12'305 x SnakeKeylogger)
ssdeep	49152:fnxndotKb3kpiRlkfFBera0WrxoF4HHB72eh2NT:fnxGtKb3kpiR2fFEc
Threatray	2'195 similar samples on MalwareBazaar
TLSH	T10BE56B1037F85E23E57FE6B2D5B1002267F1F82AB363E70B698167791C57B5088426BB
TrID	60.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 13.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 5.4% (.EXE) Win64 Executable (generic) (6522/11/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika	pebin
Reporter	BlinkzSec
Tags:	QuasarRAT

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOC	ThreatFox Reference
132.243.173.55:28370	https://threatfox.abuse.ch/ioc/1790174/

Intelligence

File Origin

# of uploads :

# of downloads :

Origin country :

Vendor Threat Intelligence

Details

Link:

https://research.acce.ciphertechsolutions.com/results/0aae2628-a6c9-4abd-84a7-6f13cf04b949/

Malware family:

quasar

ID:

File name:

aIg.exe

Verdict:

Malicious activity

Analysis date:

2026-04-14 14:05:18 UTC

Tags:

rat quasar remote evasion

Link:

https://app.any.run/tasks/9e302c50-d6a1-4393-bfc6-c0e3f9540bdd

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/61562/

Detection(s):

Win.Malware.Generic-9883083-0

Win.Malware.Msilheracles-9900242-0

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Packed.Downeks-6898097-0

YARA.DITEKSHEN_MALWARE_Win_Quasarstealer.UNOFFICIAL

YARA.SIGNATURE_BASE_MAL_Quasarrat_May19_1.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=69de493545787c53e539a135

Tags:

infosteal asyncrat quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Setting a keyboard event handler

Connection attempt

Sending a custom TCP request

DNS request

Using the Windows Management Instrumentation requests

Gathering data

Verdict:

Malicious

Labled as:

Malware.Generic

Link:

https://www.hybrid-analysis.com/sample/d6a46b51dae39f549563ebe0b5ea1ae70082dc26385b45d661ad6bfca384cc8d

Result

Gathering data

Verdict:

Unknown

File Type:

Link:

https://opentip.kaspersky.com/d6a46b51dae39f549563ebe0b5ea1ae70082dc26385b45d661ad6bfca384cc8d/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/5ad4e5aa-76e9-4b7a-8ef1-08caef3fd338

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d6a46b51dae39f549563ebe0b5ea1ae70082dc26385b45d661ad6bfca384cc8d

Gathering data

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/d6a46b51dae39f549563ebe0b5ea1ae70082dc26385b45d661ad6bfca384cc8d/

Verdict:

Malicious

Threat:

Family.QUASARRAT

Link:

https://tip.neiki.dev/file/d6a46b51dae39f549563ebe0b5ea1ae70082dc26385b45d661ad6bfca384cc8d

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2026-04-14 13:56:21 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 36 (75.00%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=22sgwuo24opvjfld5pqll2q244aifxbghbnulvtbvvv7zi4ezsgq._file

Verdict:

malicious

Label(s):

quasarrat

QuasarRAT

59057eb3a372cf2cd76e9bc534d64c44138b11f846b907ff8befcadba5fac988

QuasarRAT

716a0a7af8fbbb64bb59316b86ba3313ac7b4669d15845365985c2193f007eee

QuasarRAT

7fe453ffb100dc37b7d7cbd3e1a8af5856d18510b56c2fd7e4453d09fe9d9051

QuasarRAT

852196166533de20f4297b99176d9856b491cf1273cd2ef58be3f6cb90ec425c

QuasarRAT

error

QuasarRAT

+ 2'185 additional samples on MalwareBazaar

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:office04 spyware trojan

Link:

https://tria.ge/reports/260414-rcwpqsfy5w/

Behaviour

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Family: Quasar RAT

Quasar payload

Malware Config

C2 Extraction:

132.243.173.55:28370
192.168.130.*:28370
192.168.129.*:28370
192.168.128.*:28370
192.168.144.*:28370
192.168.149.*:28370
192.168.147.*:28370
x.x.x.x:28370

Unpacked files

SH256 hash:

d6a46b51dae39f549563ebe0b5ea1ae70082dc26385b45d661ad6bfca384cc8d

MD5 hash:

b4bf8d61f17bd29716d4fe3f993f08ed

SHA1 hash:

00e44e8bcf2097c71f73853825c4039a5cb155e6

Detections:

QuasarRAT

Link:

https://www.unpac.me/results/db182f86-fa3c-44fa-a110-c849384aead6/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d6a46b51dae3/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/d6a46b51dae39f549563ebe0b5ea1ae70082dc26385b45d661ad6bfca384cc8d

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:	NETexecutableMicrosoft 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)