MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 a44c6ec422496a206cc382544413dbd9bdf293a07ff60fe32dfd2055f357bd31. 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: 16

Intelligence 16 IOCs YARA 55 File information Comments

SHA256 hash:	a44c6ec422496a206cc382544413dbd9bdf293a07ff60fe32dfd2055f357bd31
SHA3-384 hash:	554d960363b92f7f00fa7254f892cbda6579a0eda55b90977c797997f50e03a344cacf2abe0a1dbeca45bc0e113235a6
SHA1 hash:	ab42878a591681f9e38f01151f63da00eee3124a
MD5 hash:	365ee6e8dcf91e5ce031b643a8c4ff08
humanhash:	india-connecticut-bluebird-mississippi
File name:	a44c6ec422496a206cc382544413dbd9bdf293a07ff60fe32dfd2055f357bd31.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	6'162'432 bytes
First seen:	2026-10-14 16:13:58 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'272 x AgentTesla, 20'614 x Formbook, 12'394 x SnakeKeylogger)
ssdeep	49152:2su4cj9OMzVFopCykgptoi8zbi5/V1OhJ4uPZ2KtwCJZ0TjzUPD2iFKLyedRZczZ:2r4ckMzVFopCykIIhJFMGKLymsc
TLSH	T1DE569D04BBF85E2AD07FC675D4B14012A3F0F85EB323DB9F1A8196792E23B809915767
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	ShadowOpCode
Tags:	exe QuasarRAT RGBLoader

Intelligence

File Origin

# of uploads :

# of downloads :

159

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

QuasarRAT

Details

Link:

https://research.acce.ciphertechsolutions.com/results/16cfab82-7ca9-4e73-b7a4-7f75d32c3846/

Malware family:

quasar

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-10-14 18:44:41 UTC

Tags:

quasar

Link:

https://app.any.run/tasks/9d418619-9f72-4bc6-8aec-187496fc4b62

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/91984/

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating synchronization primitives

Creating a file in the %temp% directory

Using the Windows Management Instrumentation requests

Connection attempt

Sending a custom TCP request

Launching a service

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-debug base64 corrupted evasive expand expired-cert finger infostealer lolbin net obfuscated overlay packed packed privilege quasarrat reconnaissance squirrel stealer stealer tiger vbnet

Link:

https://www.filescan.io/uploads/6acfaa65ad1c3149fd79029c/reports/b5379419-7dff-44cc-bc55-f25b1106826c/overview

Verdict:

Malicious

Labled as:

Dump:Generic.Qasar.

Link:

https://www.hybrid-analysis.com/sample/a44c6ec422496a206cc382544413dbd9bdf293a07ff60fe32dfd2055f357bd31

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-10-06T14:28:00Z UTC

Last seen:

2026-10-06T14:53:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/a44c6ec422496a206cc382544413dbd9bdf293a07ff60fe32dfd2055f357bd31/results?tab=lookup

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/53e9d987-878e-4526-bc3c-ba4a511d1543

Score:

94%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/a44c6ec422496a206cc382544413dbd9bdf293a07ff60fe32dfd2055f357bd31

Verdict:

inconclusive

YARA:

17 match(es)

Tags:

.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.25 SOS: 0.29 SOS: 0.35 Win 32 Exe x86

Link:

https://app.malva.re/file/365ee6e8dcf91e5ce031b643a8c4ff08

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/a44c6ec422496a206cc382544413dbd9bdf293a07ff60fe32dfd2055f357bd31/

Threat name:

ByteCode-MSIL.Infostealer.Browsstl

Status:

Malicious

First seen:

2026-10-06 17:16:48 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

27 of 36 (75.00%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=urgg5rbcjfvca3gdqjkeie633g67fe5ap73a7yzn7uqfl42xxuyq._file

Verdict:

malicious

Label(s):

XoriumStealer

Link:

https://reports.threatray.com/f5afcae2-247c-4d7b-8784-e2a89fa3e601

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:office04 discovery spyware trojan

Link:

https://tria.ge/reports/261014-tpvz3svw2r/

Behaviour

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Reads the TCP/IP host and domain name from the registry

Family: Quasar RAT

Quasar payload

Malware Config

C2 Extraction:

127.0.0.1:4782
3.107.72.147:6000

Unpacked files

SH256 hash:

a44c6ec422496a206cc382544413dbd9bdf293a07ff60fe32dfd2055f357bd31

MD5 hash:

365ee6e8dcf91e5ce031b643a8c4ff08

SHA1 hash:

ab42878a591681f9e38f01151f63da00eee3124a

Detections:

DiscordRatWebcamGrabber

win_masslogger_w0

cn_utf8_windows_terminal

INDICATOR_EXE_DotNET_Encrypted

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients

INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients

INDICATOR_SUSPICIOUS_GENInfoStealer

MAL_QuasarRAT_May19_1

malware_windows_xrat_quasarrat

win_quasar_rat_client

Link:

https://www.unpac.me/results/fb220f17-8b78-4908-a5e7-34ce875253de/

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/a44c6ec422496a206cc382544413dbd9bdf293a07ff60fe32dfd2055f357bd31

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:	DebuggerCheck__API Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	dependsonpythonailib Create hunting rule
Author:	Tim Brown
Description:	Hunts for dependencies on Python AI libraries

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:	DotNet_RGB_Embedded_AssemblyLoader_Hunt Create hunting rule
Author:	ShadowOpCode
Description:	Hunt .NET bitmap RGB extraction combined with embedded resources and assembly loading

Rule name:	FreddyBearDropper Create hunting rule
Author:	Dwarozh Hoshiar
Description:	Freddy Bear Dropper is dropping a malware through base63 encoded powershell scrip.

Rule name:	golang_bin_JCorn_CSC846 Create hunting rule
Author:	Justin Cornwell
Description:	CSC-846 Golang detection ruleset

Rule name:	grakate_stealer_nov_2021 Create hunting rule

Rule name:	hunting_generic_win_rat Create hunting rule
Author:	Ajin Deepak, AD2001
Description:	Hunting RATS based on common patterns

Rule name:	HUNT_NET_Loader_ImagePixel_To_AssemblyLoad Create hunting rule
Author:	Anish Bogati
Description:	Hunting: .NET loader that reads pixel data from an embedded image, loads it as a .NET assembly, and runs it via reflection or late binding. Catches bitmap-steganography loaders.

Rule name:	INDICATOR_EXE_DotNET_Encrypted Create hunting rule
Author:	ditekSHen
Description:	Detects encrypted or obfuscated .NET executables

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_EXE_References_Confidential_Data_Store Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many confidential data stores found in browsers, mail clients, cryptocurreny wallets, etc. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_References_Messaging_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many email and collaboration clients. Observed in information stealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_Referenfces_File_Transfer_Clients Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many file transfer clients. Observed in information stealers

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:	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:	masslogger_gcch Create hunting rule
Author:	govcert_ch

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 (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:	NETDLLMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	NETexecutableMicrosoft Create hunting rule
Author:	malware-lu

Rule name:	Njrat Create hunting rule
Author:	botherder https://github.com/botherder
Description:	Njrat

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_All_Windows_PE_Malware Create hunting rule
Author:	DiegoAnalytics
Description:	Detects Windows PE malware of all types, avoids non-executables like .html

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:	telebot_framework Create hunting rule
Author:	vietdx.mb

Rule name:	ThreadControl__Context Create hunting rule
Reference:	https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara

Rule name:	TH_APT_EquationGroup_2026_CYFARE Create hunting rule
Author:	CYFARE
Description:	Equation Group (G0020) APT malware detection - covers EquationDrug, GrayFish, DoubleFantasy, TripleFantasy, Fanny, GROK, nls_933w HDD firmware module, and Shadow Brokers tooling
Reference:	https://cyfare.net/

Rule name:	TigerRAT_pe_yaraify Create hunting rule
Author:	hunts-yara-code
Description:	YARAify-tightened byte rule from 9 sample(s) -- VERIFY hits

Rule name:	virustotal Create hunting rule
Author:	Tracel

Rule name:	WIN_Malware_Unknown_ForgeAuto_3ee43008 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_4fa7e284_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_5001c94c Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_6717780a_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat extrait)

Rule name:	WIN_Malware_Unknown_ForgeAuto_7e8e91c4 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_92a28498 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_XWorm_ForgeAuto_6b06c990_Extrait Create hunting rule
Author:	Marjoriefort
Description:	Detects XWorm (pe, etat extrait)

Rule name:	win_masslogger_w0 Create hunting rule
Author:	govcert_ch

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/91984/

Comments

Login required

You need to login to in order to write a comment. Login with your abuse.ch account.

No comments found for this malware sample