MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 1275f4387cfdc226a89156dab68429eaf3bc8dc0d7236c747468bd2fc2c45503. 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:	1275f4387cfdc226a89156dab68429eaf3bc8dc0d7236c747468bd2fc2c45503
SHA3-384 hash:	9e6db20490826608570178b2fb5bb1aa70fe171ea486224198d7f69c38d282728746e6054dacb0689ee73c171cef6d68
SHA1 hash:	1b7df45669754fdd59dbcf57be8150c784d48982
MD5 hash:	6e9a2ac438be69ee9b31ac9d10217209
humanhash:	solar-fillet-video-thirteen
File name:	password.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	179'200 bytes
First seen:	2024-06-23 18:05:09 UTC
Last seen:	Never
File type:	exe
MIME type:	application/x-dosexec
imphash	f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep	3072:SN/1KqKrbXDRkx8OIMHqM+lmsolAIrRuw+mqv9j1MWLQ+:UKLrbt+tJ+lDAA
Threatray	620 similar samples on MalwareBazaar
TLSH	T1800454F4B780C465D8AB96798837A6A7A433B65E9C68490D38D1FF0B3D33347402799B
TrID	67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 9.7% (.EXE) Win64 Executable (generic) (10523/12/4) 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)
File icon (PE):
dhash icon	6cecccccb4c2f2b2 (38 x AgentTesla, 30 x Formbook, 24 x PythonStealer)
Reporter	Chainskilabs
Tags:	exe NjRAT

Intelligence

File Origin

# of uploads :

# of downloads :

413

Origin country :

Vendor Threat Intelligence

Malware family:

n/a

ID:

File name:

password.exe

Verdict:

Malicious activity

Analysis date:

2024-06-23 18:04:18 UTC

Tags:

evasion xworm remote

Link:

https://app.any.run/tasks/faaea056-22bf-4777-92f6-fcbf48cc9505

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.Dropper.Nanocore-10024427-0

Win.Packed.Loveletter-10024677-0

Win.Packed.Msilzilla-10024808-0

Win.Packed.Msilzilla-10026193-0

ditekSHen.MALWARE.Win.Trojan.AsyncRAT.UNOFFICIAL

Verdict:

Malicious

Score:

99.9%

Link:

https://cyber-fortress.com/docs/result/index.php?id=6678640b8bee61523c5d108awin10vpnfull_triage

Tags:

Network Stealth Msil

Result

Verdict:

Malware

Maliciousness:

Behaviour

Creating a window

Сreating synchronization primitives

Using the Windows Management Instrumentation requests

DNS request

Connection attempt

Sending an HTTP GET request

Creating a process with a hidden window

Creating a file in the %AppData% directory

Launching a process

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

Setting a global event handler for the keyboard

Adding an exclusion to Microsoft Defender

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

anti-vm asyncrat backdoor fingerprint gendarmerie hook keylogger lolbin njrat ransomware rat schtasks vbnet

Link:

https://www.filescan.io/uploads/6678640aeae3878d8f3af665/reports/17a8b2c3-a076-49e2-8338-027c7c0b9044/overview

Verdict:

Malicious

Labled as:

Ransom.Gendarmerie.Generic

Link:

https://www.hybrid-analysis.com/sample/1275f4387cfdc226a89156dab68429eaf3bc8dc0d7236c747468bd2fc2c45503

Result

Verdict:

MALICIOUS

Details

Windows PE Executable

Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.

Malware family:

XWorm

Verdict:

Malicious

Link:

https://analyze.intezer.com/analyses/0c67c83a-bb8b-42c7-8a8d-f0b900aae7ff

Result

Threat name:

SugarDump, XWorm

Detection:

malicious

Classification:

troj.spyw.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1461318

Signature

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

.NET source code contains potential unpacker

Adds a directory exclusion to Windows Defender

AI detected suspicious sample

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

Antivirus detection for URL or domain

Bypasses PowerShell execution policy

C2 URLs / IPs found in malware configuration

Check if machine is in data center or colocation facility

Connects to many ports of the same IP (likely port scanning)

Contains functionality to capture screen (.Net source)

Contains functionality to check if a debugger is running (CheckRemoteDebuggerPresent)

Found malware configuration

Icon mismatch, binary includes an icon from a different legit application in order to fool users

Loading BitLocker PowerShell Module

Machine Learning detection for dropped file

Machine Learning detection for 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

Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)

Sample uses string decryption to hide its real strings

Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet

Snort IDS alert for network traffic

Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)

Tries to harvest and steal browser information (history, passwords, etc)

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

Yara detected Generic Downloader

Yara detected SugarDump

Yara detected XWorm

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/1275f4387cfdc226a89156dab68429eaf3bc8dc0d7236c747468bd2fc2c45503

Detection:

xworm

Link:

https://mwdb.cert.pl/sample/1275f4387cfdc226a89156dab68429eaf3bc8dc0d7236c747468bd2fc2c45503/

Threat name:

ByteCode-MSIL.Ransomware.Gendarmerie

Status:

Malicious

First seen:

2024-06-19 07:18:29 UTC

File Type:

PE (.Net Exe)

Extracted files:

AV detection:

23 of 24 (95.83%)

Threat level:

5/5

Detection(s):

Suspicious file

Link:

https://check.spamhaus.org/check/?searchterm=cj27iod47xbcnkerk3nlnbbj5lz3zdoa24rwy5dunc6s7qwekubq._file

Verdict:

malicious

njrat

a788a5b401661ff1c3eedd21d679ccaf39a35cb1a5a814773b1e4ded48de890c

njrat

aec009724ba208376f91cbfafd60db1e965f9016f17f14bfb3b074dde1f6ae28

njrat

af2150ebafd8f655bc625da183bfa64597a6e16456f3be68b47830e418fdf2ac

njrat

+ 610 additional samples on MalwareBazaar

Result

Malware family:

xworm

Score:

10/10

Tags:

family:xworm execution persistence rat trojan

Link:

https://tria.ge/reports/240623-wpqfpsycjf/

Behaviour

Scheduled Task/Job: Scheduled Task

Suspicious behavior: EnumeratesProcesses

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Uses Task Scheduler COM API

Enumerates physical storage devices

Adds Run key to start application

Looks up external IP address via web service

Checks computer location settings

Drops startup file

Executes dropped EXE

Command and Scripting Interpreter: PowerShell

Detect Xworm Payload

Xworm

Malware Config

C2 Extraction:

Mukhbit-38162.portmap.host:38162

Unpacked files

SH256 hash:

1275f4387cfdc226a89156dab68429eaf3bc8dc0d7236c747468bd2fc2c45503

MD5 hash:

6e9a2ac438be69ee9b31ac9d10217209

SHA1 hash:

1b7df45669754fdd59dbcf57be8150c784d48982

Detections:

MALWARE_Win_XWorm

win_mal_XWorm

INDICATOR_SUSPICIOUS_EXE_NoneWindowsUA

MALWARE_Win_AsyncRAT

MAL_RANSOM_COVID19_Apr20_1

Link:

https://www.unpac.me/results/127d5d9d-d87e-4670-8004-6f4de1357582/

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/1275f4387cfdc226a89156dab68429eaf3bc8dc0d7236c747468bd2fc2c45503

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

Rule name:	Disable_Defender Create hunting rule
Author:	iam-py-test
Description:	Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen

Rule name:	EXE_RAT_XWorm_April2024 Create hunting rule
Author:	Yashraj Solanki - Cyber Threat Intelligence Analyst at Bridewell

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:	MAL_RANSOM_COVID19_Apr20_1 Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects ransomware distributed in COVID-19 theme
Reference:	https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/

Rule name:	MAL_RANSOM_COVID19_Apr20_1_RID2ECC Create hunting rule
Author:	Florian Roth
Description:	Detects ransomware distributed in COVID-19 theme
Reference:	https://unit42.paloaltonetworks.com/covid-19-themed-cyber-attacks-target-government-and-medical-organizations/

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:	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_bytestring Create hunting rule
Author:	Matthew @ Embee_Research
Description:	Detects bytestring present in unobfuscated xworm

File information

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

any.run

https://app.any.run/tasks/faaea056-22bf-4777-92f6-fcbf48cc9505

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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