MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7b37e5fe1acef63557026bbfebfc64cfd2ce6a62ea58911db9c20de8f799d2d4. 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: 17

Intelligence 17 IOCs YARA 34 File information Comments

SHA256 hash:	7b37e5fe1acef63557026bbfebfc64cfd2ce6a62ea58911db9c20de8f799d2d4
SHA3-384 hash:	ebfe5b3ee4c89a43d64b38cdb4c1c8df9434f050a9375201b96303bcabb617ad737835a23c5ef2d6d35f571b870e4fd5
SHA1 hash:	7b32c0d813a104c42a48fd56612738a364e3ed3d
MD5 hash:	6ae7ca51332b6d0794f59d0c7e0ec3ac
humanhash:	equal-eleven-colorado-winner
File name:	VapeV4.exe
Download:	download sample
Signature	QuasarRAT Create hunting rule
File size:	1'625'088 bytes
First seen:	2026-10-24 10:40:47 UTC
Last seen:	Never
File type:	exe
MIME type:	application/vnd.microsoft.portable-executable
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'322 x AgentTesla, 20'747 x Formbook, 12'407 x SnakeKeylogger)
ssdeep	24576:GpL3MUa57xS2eWBRwRR16zhHIPbcNK0KKm77yviUSQaZaOwI55l2S62r9lsmELvW:GpXa5b7wR2EgKKm77LrwCB6A2L
TLSH	T10D75F012B7F9860BE5BF5BB8A87716540737B9039E3AC74E498C909C1EE33418E517A3
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	wok
Tags:	exe pulsar QuasarRAT RAT

Intelligence

File Origin

# of uploads :

# of downloads :

268

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

QuasarRAT

Details

Link:

https://research.acce.ciphertechsolutions.com/results/0c78a627-507c-4405-a65e-8c9795a3d614/

Malware family:

n/a

ID:

File name:

VapeV4.exe

Verdict:

Malicious activity

Analysis date:

2026-10-24 10:39:22 UTC

Tags:

pulsar rat

Link:

https://app.any.run/tasks/63f84741-52a7-4e78-9611-ddbe3902968c

Note:

ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample

Detection:

n/a

Link:

https://www.capesandbox.com/analysis/94340/

Detection(s):

ditekSHen.MALWARE.Win.Trojan.QuasarStealer.UNOFFICIAL

Win.Malware.Bulz-9933026-0

Win.Malware.Generic-6623004-0

Win.Malware.Generic-9883083-0

YARA.SIGNATURE_BASE_MAL_Quasarrat_May19_1.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6adc8b4d5a22ac805bd9f112

Tags:

vmdetect autorun quasar

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Creating synchronization primitives

Creating a file in the %AppData% subdirectories

Launching a process

Enabling the 'hidden' option for recently created files

Creating a process from a recently created file

Creating a file

Setting a keyboard event handler

Sending a custom TCP request

Unauthorized injection to a recently created process

Query of malicious DNS domain

Connection attempt to an infection source

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm base64 cmd cscript explorer fingerprint hacktool lolbin mshta netsh obfuscated packed privilege quasarrat reconnaissance remoteaccesstool runonce schtasks update

Link:

https://www.filescan.io/uploads/6adc8b4a1ce2b4a34ea963b7/reports/6cb1b983-3bd7-4856-b26e-73386a353175/overview

Verdict:

Malicious

Labled as:

Win/malicious_confidence_100%

Link:

https://www.hybrid-analysis.com/sample/7b37e5fe1acef63557026bbfebfc64cfd2ce6a62ea58911db9c20de8f799d2d4

Verdict:

Malicious

File Type:

exe x32

First seen:

2026-10-24T08:33:00Z UTC

Last seen:

2026-10-26T07:02:00Z UTC

Hits:

~10

Link:

https://opentip.kaspersky.com/7b37e5fe1acef63557026bbfebfc64cfd2ce6a62ea58911db9c20de8f799d2d4/results?tab=lookup

Malware family:

Quasar RAT

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/e2ca4f87-33ca-4eaf-838e-3478d7c43967

Score:

96%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/7b37e5fe1acef63557026bbfebfc64cfd2ce6a62ea58911db9c20de8f799d2d4

Gathering data

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/7b37e5fe1acef63557026bbfebfc64cfd2ce6a62ea58911db9c20de8f799d2d4/

Threat name:

Win32.Hacktool.Aikaantivm

Status:

Malicious

First seen:

2026-10-24 10:41:42 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

1/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=pm36l7q2z33dkvycno76x7dez7jm42tc5jmjchnzyig6r54z2lka._file

Verdict:

malicious

Label(s):

QuasarRAT

Link:

https://reports.threatray.com/563661fb-1b58-47d2-b35f-e67d5a822c27

Result

Malware family:

quasar

Score:

10/10

Tags:

family:quasar botnet:office04 discovery execution persistence spyware trojan

Link:

https://tria.ge/reports/261024-mq7lyayv8l/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: AddClipboardFormatListener

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

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

Executes dropped EXE

Family: Quasar RAT

Quasar payload

Malware Config

C2 Extraction:

hexwallahiwwwwPP-43334.portmap.host:43334
OklaaOmaa-35159.portmap.host:35159

Unpacked files

SH256 hash:

7b37e5fe1acef63557026bbfebfc64cfd2ce6a62ea58911db9c20de8f799d2d4

MD5 hash:

6ae7ca51332b6d0794f59d0c7e0ec3ac

SHA1 hash:

7b32c0d813a104c42a48fd56612738a364e3ed3d

Detections:

QuasarRAT

cn_utf8_windows_terminal

INDICATOR_EXE_Packed_Fody

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

MAL_BackNet_Nov18_1

MAL_QuasarRAT_May19_1

malware_windows_xrat_quasarrat

Link:

https://www.unpac.me/results/89d54c7b-da6b-4665-a52a-336a83b0caa4/

Malware family:

PulsarRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/7b37e5fe1ace/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/7b37e5fe1acef63557026bbfebfc64cfd2ce6a62ea58911db9c20de8f799d2d4

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:	Check_Dlls Create hunting rule

Rule name:	Costura_Protobuf Create hunting rule
Author:	@bartblaze
Description:	Identifies Costura and Protobuf in .NET assemblies, respectively for storing resources and (de)serialization. Seen together might indicate a suspect binary.

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

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

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

Rule name:	INDICATOR_EXE_Packed_Fody Create hunting rule
Author:	ditekSHen
Description:	Detects executables manipulated with Fody

Rule name:	Indicator_MiniDumpWriteDump Create hunting rule
Author:	Obscurity Labs LLC
Description:	Detects PE files and PowerShell scripts that use MiniDumpWriteDump either through direct imports or string references

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_SandboxHookingDLL Create hunting rule
Author:	ditekSHen
Description:	Detects binaries and memory artifacts referencing sandbox DLLs typically observed in sandbox evasion

Rule name:	Malware_PE_NET_KoiLoader Create hunting rule
Author:	Serhii Kocherhan
Description:	Detects Koi Loader .NET executables packed with Confuser featuring specific mutex, assembly metadata, and unmanaged DLL imports

Rule name:	MAL_BackNet_Nov18_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects BackNet samples
Reference:	https://github.com/valsov/BackNet

Rule name:	MAL_BackNet_Nov18_1_RID2D6D Create hunting rule
Author:	Florian Roth
Description:	Detects BackNet samples
Reference:	https://github.com/valsov/BackNet

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:	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:	Pulsar_RAT Create hunting rule
Author:	@bartblaze
Description:	Identifies Pulsar RAT, based on Quasar RAT.
Reference:	https://malpedia.caad.fkie.fraunhofer.de/details/win.pulsar_rat

Rule name:	RANSOMWARE Create hunting rule
Author:	ToroGuitar

Rule name:	Skystars_Malware_Imphash Create hunting rule
Author:	Skystars LightDefender
Description:	imphash

Rule name:	SUSP_Script_PowerShell_Hidden_Launcher Create hunting rule
Author:	Marjoriefort
Description:	Script (JS/VBS) lancant PowerShell en mode furtif - dropper frais MalwareBazaar
Reference:	Veille fraicheur 2026-09-14 / cluster misses web

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:	VECT_Ransomware Create hunting rule
Author:	Mustafa Bakhit
Description:	Detects activity associated with VECT ransomware. This includes registry modifications and deletions, execution of system and defense-evasion commands, suspicious API usage, mutex creation, file and memory manipulation, ransomware note generation, anti-debugging and anti-analysis techniques, and embedded cryptographic constants (SHA256) characteristic of this malware family. Designed for threat intelligence and malware detection environments.

Rule name:	WIN_Malware_SalatStealer_ForgeAuto_542e717b Create hunting rule
Author:	Marjoriefort
Description:	Detects SalatStealer (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_2ffc3572 Create hunting rule
Author:	Marjoriefort
Description:	Detects Unknown (pe, etat binaire)

Rule name:	WIN_Malware_Unknown_ForgeAuto_ce8c5b46 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)

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

QuasarRAT

exe 7b37e5fe1acef63557026bbfebfc64cfd2ce6a62ea58911db9c20de8f799d2d4

(this sample)

any.run

https://app.any.run/tasks/63f84741-52a7-4e78-9611-ddbe3902968c

Dropping

pulsar

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/94340/

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