MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d5102a93f27c365d5a1d57e82d0d4571d558ff846c50efd7896905fc736148ea. 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: 20

Intelligence 20 IOCs 1 YARA 30 File information Comments

SHA256 hash:	d5102a93f27c365d5a1d57e82d0d4571d558ff846c50efd7896905fc736148ea
SHA3-384 hash:	cc098a2460c3ee9acc581e5c42db785e24a5fd180f916eb13a39bbb6a8a4b9f9ef85d9d84b0c6fcfbe07c93cf70bd2a9
SHA1 hash:	906a01862b47d1cac17b33ffa9e4074375aeb902
MD5 hash:	df6f9ce4475da25b324829509ef5c186
humanhash:	network-vermont-west-oven
File name:	DF6F9CE4475DA25B324829509EF5C186.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	3'330'048 bytes
First seen:	2026-10-10 06:00:08 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'297 x AgentTesla, 20'714 x Formbook, 12'401 x SnakeKeylogger)
ssdeep	49152:mFUSTkjn4Hhz4Whf3xGmthZpqfcXXDcLGldHHB72eh2NT:mFUSC4Hhz4Whf3xGmthZsEM
TLSH	T17DF55A643BFC6F37D1AE97B2E1B1105663F4F82AA363EB1B1181A2791C53B514C413AB
TrID	47.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 20.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13) 10.7% (.EXE) Microsoft Visual C++ compiled executable (generic) (16529/12/5) 4.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.2% (.EXE) Win64 Executable (generic) (6522/11/2)
Magika	pebin
Reporter	abuse_ch
Tags:	exe QuasarRAT RAT

abuse_ch

QuasarRAT C2:
91.193.43.38:4748

Indicators Of Compromise (IOCs)

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

IOC	ThreatFox Reference
91.193.43.38:4748	https://threatfox.abuse.ch/ioc/1959776/

Intelligence

File Origin

# of uploads :

# of downloads :

244

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

QuasarRAT

Details

Link:

https://research.acce.ciphertechsolutions.com/results/7aa8ea2e-1a8f-4d9d-b8d7-9d7a69370655/

Malware family:

quasar

ID:

File name:

exe

Verdict:

Malicious activity

Analysis date:

2026-10-10 06:04:34 UTC

Tags:

rat purehvnc quasar remote

Link:

https://app.any.run/tasks/3d88e1ca-7f44-4d4b-aadf-ca19493b5f75

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/91332/

Detection(s):

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Malware.Generic-9883083-0

Win.Malware.Msilheracles-9900242-0

Win.Packed.Downeks-6898097-0

YARA.DITEKSHEN_MALWARE_Win_Quasarstealer.UNOFFICIAL

YARA.SIGNATURE_BASE_MAL_Quasarrat_May19_1.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6ad0a9936f551121ba15ee10

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

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

active-directory anti-vm base64 certreq cmd config-extracted crypto expand explorer fingerprint infostealer lolbin obfuscated obfuscated quasarrat quasarrat reconnaissance remoteaccesstool runonce schtasks stealer

Link:

https://www.filescan.io/uploads/6ac9d48c24485baf9c1d8c2a/reports/9f772b3c-2fce-4582-91bb-f2a1b016a9b7/overview

Verdict:

Malicious

Labled as:

MSIL.PasswordStealerA.Generic

Link:

https://www.hybrid-analysis.com/sample/d5102a93f27c365d5a1d57e82d0d4571d558ff846c50efd7896905fc736148ea

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-10-07T02:37:00Z UTC

Last seen:

2026-10-12T04:14:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/d5102a93f27c365d5a1d57e82d0d4571d558ff846c50efd7896905fc736148ea/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/c6bd1071-2861-4854-ba44-ded44b0fd628

Result

Threat name:

Quasar

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1985256

Signature

Antivirus / Scanner detection for submitted sample

Found malware configuration

Hides that the sample has been downloaded from the Internet (zone.identifier)

Installs a global keyboard hook

Installs new ROOT certificates

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for submitted file

Sample uses string decryption to hide its real strings

Suricata IDS alerts for network traffic

Yara detected Quasar RAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/d5102a93f27c365d5a1d57e82d0d4571d558ff846c50efd7896905fc736148ea

Verdict:

inconclusive

YARA:

13 match(es)

Tags:

.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.32 Win 32 Exe x86

Link:

https://app.malva.re/file/df6f9ce4475da25b324829509ef5c186

Detection:

quasar

Link:

https://mwdb.cert.pl/sample/d5102a93f27c365d5a1d57e82d0d4571d558ff846c50efd7896905fc736148ea/

Threat name:

ByteCode-MSIL.Backdoor.Quasar

Status:

Malicious

First seen:

2026-10-02 20:20:00 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

28 of 36 (77.78%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=2uicve7spq3f2wq5k7uc2dkfohkvr74enrio7v4jnec7y43bjdva._file

Verdict:

malicious

Label(s):

QuasarRAT

Link:

https://reports.threatray.com/c444c064-72f8-4bbe-afc5-1e79200b6a38

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:xxx discovery spyware trojan

Link:

https://tria.ge/reports/261010-gqjxzsbx5y/

Behaviour

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

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

Family: Quasar RAT

Quasar payload

Malware Config

C2 Extraction:

91.193.43.38:4748

Unpacked files

SH256 hash:

d5102a93f27c365d5a1d57e82d0d4571d558ff846c50efd7896905fc736148ea

MD5 hash:

df6f9ce4475da25b324829509ef5c186

SHA1 hash:

906a01862b47d1cac17b33ffa9e4074375aeb902

Detections:

QuasarRAT

cn_utf8_windows_terminal

INDICATOR_SUSPICIOUS_Binary_References_Browsers

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

INDICATOR_SUSPICIOUS_GENInfoStealer

MAL_QuasarRAT_May19_1

malware_windows_xrat_quasarrat

MALWARE_Win_QuasarStealer

win_quasar_rat_client

win_quasarrat_j2

Link:

https://www.unpac.me/results/a319165c-6d9d-43c8-89d0-ddd71d2868f2/

Malware family:

QuasarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/d5102a93f27c/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:	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
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:	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:	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)

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

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

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/91332/

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