MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4e5a5a0e29a43878b4a86f29e32b695a48bfa64f2d060a39dd4d4a3adb6561b2. 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

njrat

Vendor detections: 20

Intelligence 20 IOCs YARA 40 File information Comments

SHA256 hash:	4e5a5a0e29a43878b4a86f29e32b695a48bfa64f2d060a39dd4d4a3adb6561b2
SHA3-384 hash:	ed536e3a603c4d6d9c70e96f848eccf3fa3a894fe35a2d5550d2b770be9fcfa665e1bf5bc0692153dbdc2c25c430522a
SHA1 hash:	e4006f22c6952abd59d8d388f954609008de72ae
MD5 hash:	56f74da4b753009575354f2c917516b6
humanhash:	mississippi-october-apart-mississippi
File name:	Server.bat
Download:	download sample
Signature	njrat Create hunting rule
File size:	179'200 bytes
First seen:	2025-08-15 15:59:17 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (49'239 x AgentTesla, 20'491 x Formbook, 12'372 x SnakeKeylogger)
ssdeep	3072:Ce8p6ewdOIwQx76vK/bvTv0cU+lL/dMlZZUZ0b2gTawARE+WpCc:y6ewwIwQJ6vKX0c5MlYZ0b23
Threatray	147 similar samples on MalwareBazaar
TLSH	T120045B5837D80A15F3BE5FB8F4B012118B75B477AA1AE75F08E920EE0D62351E911FA3
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10522/11/4) 6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.6% (.EXE) Win16 NE executable (generic) (5038/12/1) 4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika	pebin
Reporter	Anonymous
Tags:	exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

181

Origin country :

Vendor Threat Intelligence

Malware family:

asyncrat

ID:

File name:

0x000300000001e69a-15.dat

Verdict:

Malicious activity

Analysis date:

2025-08-12 21:42:02 UTC

Tags:

stealer stormkitty evasion ims-api generic telegram worldwind pastebin asyncrat rat

Link:

https://app.any.run/tasks/150bb412-f19a-4bfe-89bf-a6db54a3bc35

Note:

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

Detection:

WorldWind

Link:

https://www.capesandbox.com/analysis/21588/

Detection(s):

Win.Packed.AsyncRAT-9856570-1

Win.Packed.AsyncRAT-9938103-1

Win.Malware.Msilzilla-10007231-0

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=689f596b8fd55a79c5274193

Tags:

infosteal asyncrat autorun

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

Stealing user critical data

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat asyncrat base64 cmd evasive findstr fingerprint hacktool lolbin masquerade net netsh njrat njrat obfuscated rat reconnaissance reg schtasks stealer telegram threat vbnet

Link:

https://www.filescan.io/uploads/689f5970a4bdac9f5b98b1b7/reports/3b3d1772-1539-4af3-8a3f-063ad5179b83/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/4e5a5a0e29a43878b4a86f29e32b695a48bfa64f2d060a39dd4d4a3adb6561b2

Malware family:

Stealerium Stealer

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/acaaeacd-a790-4991-8648-1989ea29397e

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/4e5a5a0e29a43878b4a86f29e32b695a48bfa64f2d060a39dd4d4a3adb6561b2

Verdict:

njRat

YARA:

14 match(es)

Tags:

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

Malware Config

C2 Extraction:

PORT: 7679726230:AAE_UpFsIaNayfGmoETC_
CNC: 1011474385

Link:

https://app.malva.re/file/56f74da4b753009575354f2c917516b6

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/4e5a5a0e29a43878b4a86f29e32b695a48bfa64f2d060a39dd4d4a3adb6561b2/

Verdict:

Malicious

Threat:

Family.ASYNCRAT

Link:

https://tip.neiki.dev/file/4e5a5a0e29a43878b4a86f29e32b695a48bfa64f2d060a39dd4d4a3adb6561b2

Threat name:

ByteCode-MSIL.Backdoor.AsyncRat

Status:

Malicious

First seen:

2025-08-08 19:06:22 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

33 of 38 (86.84%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=jznfudrjuq4hrnfin4u6gk3jljel7jspfudauoo5jvfdvw3fmgza._file

Verdict:

malicious

Label(s):

stormkitty

asyncrat

njrat

7011d49d4411fac299bfdb5063198f2f2c74cc867b4ef57a826beb114c46eb32

njrat

7c607526feaf1f53ac61c84b4d95fba30c7209b86a0426a1b8c72dbb94ec3747

njrat

d96d55fb0c096732fda36e0e0273405b5ec62ce998fd956e76bf11aa460b4de0

njrat

error

njrat

+ 137 additional samples on MalwareBazaar

Result

Malware family:

stormkitty

Score:

10/10

Tags:

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

Link:

https://tria.ge/reports/250815-tfb6lsymw9/

Behaviour

Checks processor information in registry

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of WriteProcessMemory

Browser Information Discovery

Event Triggered Execution: Netsh Helper DLL

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

Reads user/profile data of web browsers

AsyncRat

Asyncrat family

StormKitty

StormKitty payload

Stormkitty family

Malware Config

C2 Extraction:

127.0.0.1:6606
127.0.0.1:7707
127.0.0.1:8808
https://api.telegram.org/bot7679726230:AAE_UpFsIaNayfGmoETC_jHCf1DJ7bS8H-M/sendMessage?chat_id=1011474385

Verdict:

Malicious

Tags:

rat asyncrat trojan stealer stormkitty worldwind Win.Packed.AsyncRAT-9856570-1

YARA:

JPCERTCC_Asyncrat asyncrat malware_asyncrat win_asyncrat_unobfuscated Windows_Generic_Threat_2bb6f41d Windows_Generic_Threat_62e1f5fc MALWARE_Win_Multi_Family_Infostealer MALWARE_Win_StormKitty MALWARE_Win_WorldWind

Link:

https://app.threat.zone/submission/72d42038-999d-4cf9-90f8-086cd93dd1d4

Unpacked files

SH256 hash:

4e5a5a0e29a43878b4a86f29e32b695a48bfa64f2d060a39dd4d4a3adb6561b2

MD5 hash:

56f74da4b753009575354f2c917516b6

SHA1 hash:

e4006f22c6952abd59d8d388f954609008de72ae

Detections:

win_asyncrat_w0

WorldWindStealer

Link:

https://www.unpac.me/results/c93126e0-eef3-4f48-b60a-4e907c4379b0/

Malware family:

AsyncRAT

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/4e5a5a0e29a4/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/4e5a5a0e29a43878b4a86f29e32b695a48bfa64f2d060a39dd4d4a3adb6561b2

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_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_RawPaste_URL Create hunting rule
Author:	ditekSHen
Description:	Detects executables (downlaoders) containing URLs to raw contents of a paste

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

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

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_StormKitty Create hunting rule
Author:	ditekSHen
Description:	Detects StormKitty infostealer

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

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

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/21588/

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