MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 442dafd1eba7e04f97a286db982860ebb584bbfc12b4e3584b01d2d43d291d03. 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: 17

Intelligence 17 IOCs YARA 15 File information Comments

SHA256 hash:	442dafd1eba7e04f97a286db982860ebb584bbfc12b4e3584b01d2d43d291d03
SHA3-384 hash:	92e0b81d57818cd89a4acd52d34fb5aed03e100f999e69a0f5fd6b832e2dd3e580cd24093722bf92c71ba08eb2d15755
SHA1 hash:	bb6f8e981e10d90b754c2fc0f561150ddd456c28
MD5 hash:	a693bc1aa13c06faf8d42e0c140a88b9
humanhash:	white-georgia-johnny-fish
File name:	clientiac.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	39'936 bytes
First seen:	2025-03-28 19:36:49 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep	768:AC/ixjlklG8sjBv84oFPw9osOuhSJotjh:AJ0l1sjl8ZFY9osOugGtjh
Threatray	1'880 similar samples on MalwareBazaar
TLSH	T168035B0877E04225D6FE9FF069B2B1090676F9079513EB5E0CD9D6DA2B236C28E017E7
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	BastianHein
Tags:	exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

420

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

clientiac.exe

Verdict:

Malicious activity

Analysis date:

2025-03-28 19:37:33 UTC

Tags:

pastebin xworm

Link:

https://app.any.run/tasks/d74d8f19-89d9-41da-a1b2-4951e51f01e4

Note:

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

Detection(s):

Win.Packed.njRAT-10002074-1

Win.Packed.Msilzilla-10002982-0

Win.Packed.Msilzilla-10019837-0

Win.Packed.Loveletter-10023052-0

Win.Packed.Loveletter-10024677-0

Win.Packed.Msilzilla-10026193-0

Win.Packed.Msilzilla-10026194-0

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL

ditekSHen.MALWARE.Win.XWorm.UNOFFICIAL

Verdict:

Malicious

Score:

99.1%

Link:

https://cyber-fortress.com/docs/result/index.php?id=67e6fb7b855e5ec5240967bc

Tags:

asyncrat autorun proxy

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a file

Launching a process

Creating a process with a hidden window

DNS request

Connection attempt

Sending a custom TCP request

Enabling the 'hidden' option for recently created files

Creating a window

Creating a process from a recently created file

Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch

Creating a file in the mass storage device

Enabling autorun by creating a file

Enabling threat expansion on mass storage devices

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat backdoor cmd explorer lolbin njrat obfuscated packed packer_detected rat reconnaissance schtasks vbnet xworm

Link:

https://www.filescan.io/uploads/67e6fa706a150b67eec841f8/reports/cd0d7ff4-7804-4df3-9faf-1ee0b6935f0d/overview

Verdict:

Malicious

Labled as:

Jalapeno.Generic

Link:

https://www.hybrid-analysis.com/sample/442dafd1eba7e04f97a286db982860ebb584bbfc12b4e3584b01d2d43d291d03

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/3b2f28ad-47df-48ba-bc85-eb1e865054d6

Result

Threat name:

XWorm

Detection:

malicious

Classification:

troj.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1651442

Signature

.NET source code contains method to dynamically call methods (often used by packers)

.NET source code contains potential unpacker

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

C2 URLs / IPs found in malware configuration

Connects to a pastebin service (likely for C&C)

Found malware configuration

Joe Sandbox ML detected suspicious sample

Malicious sample detected (through community Yara rule)

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

Protects its processes via BreakOnTermination flag

Sample uses string decryption to hide its real strings

Uses schtasks.exe or at.exe to add and modify task schedules

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/442dafd1eba7e04f97a286db982860ebb584bbfc12b4e3584b01d2d43d291d03

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/442dafd1eba7e04f97a286db982860ebb584bbfc12b4e3584b01d2d43d291d03/

Threat name:

ByteCode-MSIL.Spyware.AsyncRAT

Status:

Malicious

First seen:

2025-03-28 19:37:19 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

21 of 24 (87.50%)

Threat level:

2/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=iqw27uplu7qe7f5cq3nzqkda5o2yjo74ck2ogwclahjnipjjdubq._file

Verdict:

malicious

Label(s):

xworm

njrat

4aecacc803e54cc06db8e3a84e910d5376f58867e2436eb68a19a9c203043bd2

njrat

4bf0c43e96003dd0ac92c08d1f5aacb11e3eedee00e383e1b05d844d2b2559ce

njrat

7c0d92312ec37fecb8fbb9ae25aef638e886dde4ace73f879df7a7452a2e701f

njrat

e7611103be82712af08e3ed41a1eb301951cd07a3f791dcb21898e4b98782003

njrat

error

njrat

f73e97fdbdd514f650ae7990cfba19293bc8e040ee6aaefd51c797c2c29fb47d

njrat

+ 1'870 additional samples on MalwareBazaar

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm persistence rat trojan

Link:

https://tria.ge/reports/250328-ybvjlszyhw/

Behaviour

Modifies registry class

Scheduled Task/Job: Scheduled Task

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of FindShellTrayWindow

Suspicious use of SendNotifyMessage

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

Adds Run key to start application

Legitimate hosting services abused for malware hosting/C2

Checks computer location settings

Executes dropped EXE

Boot or Logon Autostart Execution: Active Setup

Detect Xworm Payload

Xworm

Xworm family

Verdict:

Malicious

Tags:

rat xworm Win.Packed.njRAT-10002074-1

YARA:

win_mal_XWorm MALWARE_Win_XWorm

Link:

https://app.threat.zone/submission/84220772-39a8-461e-99aa-38e9051fa40a

Unpacked files

SH256 hash:

442dafd1eba7e04f97a286db982860ebb584bbfc12b4e3584b01d2d43d291d03

MD5 hash:

a693bc1aa13c06faf8d42e0c140a88b9

SHA1 hash:

bb6f8e981e10d90b754c2fc0f561150ddd456c28

Detections:

win_xworm_w0

Link:

https://www.unpac.me/results/c7704515-be6c-4ae2-ab93-dbca1c14fb60/

Malware family:

XWorm

Verdict:

Malicious

Link:

https://www.vmray.com/analyses/_mb/442dafd1eba7/report/overview.html

Please note that we are no longer able to provide a coverage score for Virus Total.

Threat name:

Malicious File

Score:

1.00

Link:

https://yomi.yoroi.company/submissions/442dafd1eba7e04f97a286db982860ebb584bbfc12b4e3584b01d2d43d291d03

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:	ByteCode_MSIL_Backdoor_AsyncRAT Create hunting rule
Author:	ReversingLabs
Description:	Yara rule that detects AsyncRAT backdoor.

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_NoneWindowsUA Create hunting rule
Author:	ditekSHen
Description:	Detects Windows executables referencing non-Windows User-Agents

Rule name:	MALWARE_Win_AsyncRAT Create hunting rule
Author:	ditekSHen
Description:	Detects AsyncRAT

Rule name:	MALWARE_Win_XWorm Create hunting rule
Author:	ditekSHen
Description:	Detects XWorm

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:	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:	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:	win_xworm_w0 Create hunting rule
Author:	jeFF0Falltrades
Description:	Detects win.xworm.

Rule name:	xworm Create hunting rule
Author:	jeFF0Falltrades

Rule name:	XWorm Create hunting rule
Author:	ditekSHen
Description:	Detects XWorm

Rule name:	xworm_kingrat Create hunting rule
Author:	jeFF0Falltrades

File information

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

No further information available

BLint

The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.

Findings

ID	Title	Severity
CHECK_AUTHENTICODE	Missing Authenticode	high
CHECK_DLL_CHARACTERISTICS	Missing dll Security Characteristics (HIGH_ENTROPY_VA)	high

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