MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486. 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

AsyncRAT

Vendor detections: 16

Intelligence 16 IOCs YARA 46 File information Comments 1

SHA256 hash:	4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486
SHA3-384 hash:	ce75b418b30e7e5ca3cfc939ae2c89113957469c7ff28226230baa0aa254406257043226d357f42dea0190fca3e95ad4
SHA1 hash:	2481321813caff4ded19135c86301f899fb19f66
MD5 hash:	c7235b3be7873e0743aba6235cd3d677
humanhash:	cup-september-mountain-mississippi
File name:	LET.exe
Download:	download sample
Signature	AsyncRAT Create hunting rule
File size:	179'712 bytes
First seen:	2026-08-20 09:42:37 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'197 x AgentTesla, 20'351 x Formbook, 12'365 x SnakeKeylogger)
ssdeep	3072:r+ljDT+LbaRzegOBIIj6HLLYLCYJqvc1Dvu0gRsBaV/m4IauJX9bSM2dE+rBiQ+t:UDubaBBOBIIj6HLLYLCYJqvc1D2NsBMy
TLSH	T1CA044A1037D80929E3FF5BB4F4B002168B31F9279A17E7AF1A9555EE0D32354E921BA3
TrID	70.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 6.2% (.EXE) Win64 Executable (generic) (6522/11/2) 4.8% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.3% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	JaffaCakes118
Tags:	AsyncRAT exe

Intelligence

File Origin

# of uploads :

# of downloads :

160

Origin country :

Vendor Threat Intelligence

Malware configuration found for:

WorldWind

Details

Link:

https://research.acce.ciphertechsolutions.com/results/f02994d7-0de4-482e-8a9c-ee5ba3ca8c4f/

Malware family:

n/a

ID:

File name:

Swiss Army Parser.rar

Verdict:

Malicious activity

Analysis date:

2025-04-12 17:05:56 UTC

Tags:

arch-exec neshta stealer evasion telegram ims-api generic stormkitty crypto-regex rust

Link:

https://app.any.run/tasks/bca30ef1-84a1-4437-8a12-98a63b527512

Note:

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

Detection:

Prynt

Link:

https://www.capesandbox.com/analysis/82202/

Detection(s):

Win.Packed.AsyncRAT-9856570-1

Win.Packed.AsyncRAT-9938103-1

Win.Malware.Msilzilla-10005656-0

Win.Malware.Msilzilla-10007231-0

YARA.DITEKSHEN_MALWARE_Win_Stormkitty.UNOFFICIAL

YARA.SEKOIA_Rat_Win_Asyncrat.UNOFFICIAL

YARA.SEKOIA_Infostealer_Win_Stormkitty.UNOFFICIAL

YARA.SIGNATURE_BASE_SUSP_NET_Msil_Suspicious_Use_Strreverse.UNOFFICIAL

Result

Verdict:

Malware

Maliciousness:

Behaviour

Using the Windows Management Instrumentation requests

Creating a file

Reading critical registry keys

Creating a file in the %temp% directory

Deleting a recently created file

Replacing files

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat asyncrat base64 cmd evasive findstr fingerprint hacktool lolbin netsh obfuscated reconnaissance remoteaccesstool schtasks vbnet

Link:

https://www.filescan.io/uploads/6a86cc317de5271aeb8f19e2/reports/edaba352-386b-40cd-b759-bcab9120d289/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486

Gathering data

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486

Verdict:

AsyncRAT

YARA:

14 match(es)

Tags:

.Net AsyncRAT Executable Managed .NET PE (Portable Executable) PE File Layout RAT SOS: 0.23 Win 32 Exe x86

Malware Config

C2 Extraction:

CNC: 127.0.0.1
PORT: 6606,7707,8808

Link:

https://app.malva.re/file/c7235b3be7873e0743aba6235cd3d677

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486/

Threat name:

ByteCode-MSIL.Backdoor.AsyncRAT

Status:

Malicious

First seen:

2024-07-20 10:51:55 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

31 of 38 (81.58%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jebmk3p2lnit356ab6h6lx4q3tcgua7rstokijhlx5xqhz4qisda._file

Verdict:

malicious

Label(s):

StormKitty

ToxicEye

Link:

https://reports.threatray.com/0d8a5285-4ee2-431b-bfb0-07f1c7a48e94

Result

Malware family:

stormkitty

Score:

10/10

Tags:

family:asyncrat family:stormkitty botnet:default discovery execution persistence privilege_escalation rat spyware stealer

Link:

https://tria.ge/reports/260820-lp1asstfnf/

Behaviour

Checks processor information in registry

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Browser Information Discovery

Enumerates physical storage devices

Event Triggered Execution: Netsh Helper DLL

Executes a command shell one-liner

System Location Discovery: System Language Discovery

System Network Configuration Discovery: Wi-Fi Discovery

Drops desktop.ini file(s)

Looks up external IP address via web service

Looks up geolocation information via web service

Checks computer location settings

Reads user/profile data of web browsers

Family: AsyncRat

Family: StormKitty

StormKitty payload

Malware Config

C2 Extraction:

https://api.telegram.org/bot7044437613:AAEXeS1SKGTrEjQ8F-7vSegWo8OLABeJY5k/sendMessage?chat_id=6052812018

Unpacked files

SH256 hash:

4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486

MD5 hash:

c7235b3be7873e0743aba6235cd3d677

SHA1 hash:

2481321813caff4ded19135c86301f899fb19f66

Detections:

PryntStealer

win_asyncrat_w0

win_toxiceye_w0

asyncrat

cn_utf8_windows_terminal

INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse

INDICATOR_SUSPICIOUS_EXE_CC_Regex

INDICATOR_SUSPICIOUS_EXE_Discord_Regex

INDICATOR_SUSPICIOUS_EXE_References_Confidential_Data_Store

INDICATOR_SUSPICIOUS_EXE_References_VPN

INDICATOR_SUSPICIOUS_EXE_SandboxHookingDLL

INDICATOR_SUSPICIOUS_EXE_TelegramChatBot

INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID

INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon

MALWARE_Win_Multi_Family_InfoStealer

MALWARE_Win_Prynt

MALWARE_Win_StormKitty

SUSP_NET_Msil_Suspicious_Use_StrReverse

win_asyncrat_bytecodes

win_asyncrat_unobfuscated

Link:

https://www.unpac.me/results/8f1db3be-7af3-4d8e-b953-cc5c907d6dfd/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4902c56dfa5b/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/4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486

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:	asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	AsyncRAT_057B Create hunting rule
Author:	kirkderp
Description:	AsyncRAT 0.5.7B -- minimal .NET RAT with PBKDF2 key derivation and MessagePack serialization
Reference:	https://github.com/kirkderp/yara

Rule name:	asyncrat_kingrat Create hunting rule
Author:	jeFF0Falltrades

Rule name:	DebuggerCheck__RemoteAPI 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:	INDICATOR_SUSPICIOUS_EXE_ASEP_REG_Reverse Create hunting rule
Author:	ditekSHen
Description:	Detects file containing reversed ASEP Autorun registry keys

Rule name:	INDICATOR_SUSPICIOUS_EXE_CC_Regex Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing credit card regular expressions

Rule name:	INDICATOR_SUSPICIOUS_EXE_Discord_Regex Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Discord tokens regular expressions

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_VPN Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing many VPN software clients. Observed in infosteslers

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:	INDICATOR_SUSPICIOUS_EXE_TelegramChatBot Create hunting rule
Author:	ditekSHen
Description:	Detects executables using Telegram Chat Bot

Rule name:	INDICATOR_SUSPICIOUS_EXE_VaultSchemaGUID Create hunting rule
Author:	ditekSHen
Description:	Detects executables referencing Windows vault credential objects. Observed in infostealers

Rule name:	INDICATOR_SUSPICIOUS_EXE_WirelessNetReccon Create hunting rule
Author:	ditekSHen
Description:	Detects executables with interest in wireless interface using netsh

Rule name:	infostealer_win_stormkitty Create hunting rule
Author:	Sekoia.io
Description:	Finds StormKitty samples (or their variants) based on specific strings

Rule name:	malware_asyncrat Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	malware_asyncrat Create hunting rule
Description:	detect AsyncRat in memory
Reference:	https://github.com/NYAN-x-CAT/AsyncRAT-C-Sharp

Rule name:	MALWARE_Win_Multi_Family_InfoStealer Create hunting rule
Author:	ditekSHen
Description:	Detects Prynt, WorldWind, DarkEye, Stealerium and ToxicEye / TelegramRAT infostealers

Rule name:	MALWARE_Win_Prynt Create hunting rule
Author:	ditekSHen
Description:	Detects Prynt infostealer

Rule name:	MALWARE_Win_StormKitty Create hunting rule
Author:	ditekSHen
Description:	Detects StormKitty infostealer

Rule name:	MAL_AsnycRAT Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	MAL_AsyncRAT_Config_Decryption Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detects AsnycRAT based on it's config decryption routine

Rule name:	msil_suspicious_use_of_strreverse Create hunting rule
Author:	dr4k0nia
Description:	Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse

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

Rule name:	pe_imphash Create hunting rule

Rule name:	prynt_stealer Create hunting rule
Author:	Nikos 'n0t' Totosis
Description:	Prynt Stealer Payload

Rule name:	RAT_ToxicEye_StringsW Create hunting rule
Author:	albertzsigovits
Reference:	https://bazaar.abuse.ch/browse/signature/toxiceye/

Rule name:	rat_win_asyncrat Create hunting rule
Author:	Sekoia.io
Description:	Detect AsyncRAT based on specific strings

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

Rule name:	SUSP_DOTNET_PE_List_AV Create hunting rule
Author:	SECUINFRA Falcon Team
Description:	Detecs .NET Binary that lists installed AVs

Rule name:	SUSP_NET_Msil_Suspicious_Use_StrReverse Create hunting rule
Author:	dr4k0nia, modified by Florian Roth
Description:	Detects mixed use of Microsoft.CSharp and VisualBasic to use StrReverse
Reference:	https://github.com/dr4k0nia/yara-rules

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:	TelegramAPIMalware_PowerShell_EXE Create hunting rule
Author:	@polygonben
Description:	Hunting for pwsh malware using Telegram for C2

Rule name:	telegram_bot_api Create hunting rule
Author:	rectifyq
Description:	Detects file containing Telegram Bot API

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:	Windows_Generic_Threat_2bb6f41d Create hunting rule
Author:	Elastic Security

Rule name:	Windows_Generic_Threat_62e1f5fc Create hunting rule
Author:	Elastic Security

Rule name:	win_asyncrat_bytecodes Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects bytecodes present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

Rule name:	win_asyncrat_j1 Create hunting rule
Author:	Johannes Bader @viql
Description:	detects AsyncRAT

Rule name:	win_asyncrat_unobfuscated Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects strings present in unobfuscated AsyncRat Samples. Rule may also pick up on other Asyncrat-derived malware (Dcrat/venom etc)

Rule name:	win_asyncrat_w0 Create hunting rule
Author:	JPCERT/CC Incident Response Group
Description:	detect AsyncRat in memory
Reference:	internal research

Rule name:	win_toxiceye_w0 Create hunting rule
Author:	albertzsigovits
Reference:	https://bazaar.abuse.ch/browse/signature/toxiceye/

File information

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

Web download

AsyncRAT

exe 4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486

(this sample)

Delivery method

Distributed via web download

Cape

https://www.capesandbox.com/analysis/82202/

Comments

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commented on 2026-08-20 09:46:06 UTC

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

{
"sha256": "4902c56dfa5b513df7c00f8fe5df90dcc46a03f194dca424ebbf6f03e7904486",
"yara_possible_family": "asyncrat",
"key": "ce498183f557f217d115bbfa78eba978b90248dad2f2de75c114e95e7cd11552",
"salt": "bfeb1e56fbcd973bb219022430a57843003d5644d21e62b9d4f180e7e6c33941",
"config": {
"TelegramToken": "7044437613:AAEXeS1SKGTrEjQ8F-7vSegWo8OLABeJY5k",
"TelegramChatID": "6052812018",
"Ports": [
"6606",
"7707",
"8808"
],
"Hosts": [
"127.0.0.1"
],
"Version": "",
"Install": "false",
"InstallFolder": "%AppData%",
"InstallFile": "",
"Key": "cnRCdGlSSEx2aUhnVkpRUEFRNVlCbmVoMHhqZ3doSG8=",
"Mutex": "AsyncMutex_6SI8OkPnk",
"Certificate": "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",
"Serversignature": "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",
"Anti": "false",
"Pastebin": "null",
"BDOS": "false",
"Hwid": "null",
"Delay": "3",
"Group": "Default"
}
}