MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 35fef006d85534189345a83a2858f676c72ca3adcd03fcf0c2c1b3c89fc87c37. 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: 14

Intelligence 14 IOCs YARA 27 File information Comments

SHA256 hash:	35fef006d85534189345a83a2858f676c72ca3adcd03fcf0c2c1b3c89fc87c37
SHA3-384 hash:	5943c7ae22519bed94f42e0ab81f6ce0a8d0ea896f06b8e14d38e8baf742b2aa88814a7efc51a1dfac7a39f39538e43c
SHA1 hash:	5e7cf37c356956db81522968840d34a4f7f319a1
MD5 hash:	f78e930c2f8859e23659cd266c9e24ac
humanhash:	nineteen-purple-coffee-indigo
File name:	F78E930C2F8859E23659CD266C9E24AC.exe
Download:	download sample
Signature	njrat Create hunting rule
File size:	1'283'072 bytes
First seen:	2024-05-18 16:05:13 UTC
Last seen:	2024-05-18 16:25:39 UTC
File type:	exe
MIME type:	application/x-dosexec
imphash	2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 80 x RedLineStealer)
ssdeep	24576:mmeyLnJnSBwRH41EmLpQh6AHVYZ8L1S8Kdt23gAs79LjPA1sss3AnVYuFYTGGq6F:Peq9SBwe19pDeYZ21ZCAfs79PcssE5VR
Threatray	342 similar samples on MalwareBazaar
TLSH	T16F5533D832A897F1E4287079B993109F18E14338DE8F43C7DFBF6525B6592BD25A3060
TrID	25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 19.1% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.1% (.EXE) Win32 Executable (generic) (4504/4/1) 7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23) 7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter	abuse_ch
Tags:	exe NjRAT RAT

abuse_ch

njrat C2:
147.185.221.19:26075

Intelligence

File Origin

# of uploads :

# of downloads :

483

Origin country :

Vendor Threat Intelligence

Malware family:

njrat

ID:

File name:

35fef006d85534189345a83a2858f676c72ca3adcd03fcf0c2c1b3c89fc87c37.exe

Verdict:

Malicious activity

Analysis date:

2024-05-18 17:05:20 UTC

Tags:

rat njrat bladabindi remote

Link:

https://app.any.run/tasks/a6ef644f-7c10-41e4-9a19-06914db442b6

Note:

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

Detection(s):

PUA.Win.Packer.EnigmaProtector-19

PUA.Win.Packer.EnigmaProtector-1

PUA.Win.Packer.EnigmaProtector-9852682-0

Gathering data

Result

Verdict:

Malware

Maliciousness:

Behaviour

Сreating synchronization primitives

Creating a window

Creating a file in the %AppData% directory

Creating a process with a hidden window

Creating a file in the Windows subdirectories

Creating a file

Creating a file in the Program Files subdirectories

Searching for synchronization primitives

Connection attempt

Using the Windows Management Instrumentation requests

Sending a custom TCP request

Launching the process to change the firewall settings

Enabling autorun by creating a file

Verdict:

Malicious

Threat level:

10/10

Confidence:

100%

Tags:

enigma enigma lolbin obfuscated packed packed shell32

Link:

https://www.filescan.io/uploads/6648d1ead5c40bffee61d80c/reports/977d2263-d01f-46b0-8aeb-7ad4eaa7dd8b/overview

Verdict:

Malicious

Labled as:

Trojan.Generic

Link:

https://www.hybrid-analysis.com/sample/35fef006d85534189345a83a2858f676c72ca3adcd03fcf0c2c1b3c89fc87c37

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.

Verdict:

Suspicious

Link:

https://analyze.intezer.com/analyses/3a8521cc-f7aa-4d07-a303-22ba1c251bc8

Result

Threat name:

Njrat, PureLog Stealer, zgRAT

Detection:

malicious

Classification:

phis.troj.adwa.evad

Score:

100 / 100

Link:

https://www.joesandbox.com/analysis/1443736

Signature

Antivirus / Scanner detection for submitted sample

Antivirus detection for dropped file

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

Detected unpacking (changes PE section rights)

Detected unpacking (overwrites its own PE header)

Disables zone checking for all users

Drops PE files to the document folder of the user

Drops PE files to the startup folder

Hides threads from debuggers

Machine Learning detection for dropped file

Machine Learning detection for sample

Malicious sample detected (through community Yara rule)

Modifies the windows firewall

Multi AV Scanner detection for dropped file

Multi AV Scanner detection for submitted file

PE file has nameless sections

Snort IDS alert for network traffic

Uses netsh to modify the Windows network and firewall settings

Yara detected Njrat

Yara detected PureLog Stealer

Yara detected zgRAT

Behaviour

Behavior Graph:

Download SVG

Score:

100%

Verdict:

Malware

File Type:

Link:

https://malprob.io/report/35fef006d85534189345a83a2858f676c72ca3adcd03fcf0c2c1b3c89fc87c37

Detection:

n/a

Link:

https://mwdb.cert.pl/sample/35fef006d85534189345a83a2858f676c72ca3adcd03fcf0c2c1b3c89fc87c37/

Threat name:

Win32.Backdoor.Berbew

Status:

Malicious

First seen:

2024-05-02 15:41:10 UTC

File Type:

PE (Exe)

AV detection:

21 of 24 (87.50%)

Threat level:

5/5

Detection(s):

Malicious file

Link:

https://check.spamhaus.org/check/?searchterm=gx7pabwyku2bre2fva5cqwhwo3dszi5nzub7z4gcygz4rh6ipq3q._file

Verdict:

malicious

njrat

31fb4e3de00fdb16562c1b03088df5245e45a49fb3646c90f1e5df0e9bc0acd0

njrat

35fef006d85534189345a83a2858f676c72ca3adcd03fcf0c2c1b3c89fc87c37

njrat

361b53f4b3e887b963bd607d994f9f42344b39e871b1142c8e56ff7182e4c96c

njrat

68ce0b654df185f888ce7bc64305873778b4090e38abe5b933ff6cc864194753

njrat

83a4a3957a752185873961a6c761e7b8f2883379978dc2940c03278d1341e086

njrat

90568713c6015b5284f369bf077d6fbaf0495c47f0f27a4f8b9df89c05fd8f6f

njrat

ce8f179e7e29d4f28f1c5039808e82c198264183166069d8ad567f63275c74a8

njrat

+ 332 additional samples on MalwareBazaar

Result

Malware family:

n/a

Score:

8/10

Tags:

evasion

Link:

https://tria.ge/reports/240518-tj267sbe31/

Behaviour

Suspicious behavior: GetForegroundWindowSpam

Suspicious use of AdjustPrivilegeToken

Suspicious use of SetWindowsHookEx

Suspicious use of WriteProcessMemory

Drops file in Program Files directory

Drops file in System32 directory

Suspicious use of NtSetInformationThreadHideFromDebugger

Drops startup file

Modifies Windows Firewall

Unpacked files

SH256 hash:

35fef006d85534189345a83a2858f676c72ca3adcd03fcf0c2c1b3c89fc87c37

MD5 hash:

f78e930c2f8859e23659cd266c9e24ac

SHA1 hash:

5e7cf37c356956db81522968840d34a4f7f319a1

Detections:

SUSP_XORed_URL_In_EXE

Link:

https://www.unpac.me/results/f0b4c4af-7668-41c7-8a39-7ba6b1ab5ba3/

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/35fef006d85534189345a83a2858f676c72ca3adcd03fcf0c2c1b3c89fc87c37

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:	BobSoftMiniDelphiBoBBobSoft Create hunting rule
Author:	malware-lu

Rule name:	Borland Create hunting rule
Author:	malware-lu

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:	DotNet_Reactor Create hunting rule
Author:	@bartblaze
Description:	Identifies .NET Reactor, which offers .NET code protection such as obfuscation, encryption and so on.

Rule name:	EnigmaProtector11X13XSukhovVladimirSergeNMarkin Create hunting rule
Author:	malware-lu

Rule name:	EnigmaStub Create hunting rule
Author:	@bartblaze
Description:	Identifies Enigma packer stub.

Rule name:	INDICATOR_EXE_Packed_DotNetReactor Create hunting rule
Author:	ditekSHen
Description:	Detects executables packed with unregistered version of .NET Reactor

Rule name:	maldoc_getEIP_method_1 Create hunting rule
Author:	Didier Stevens (https://DidierStevens.com)

Rule name:	MD5_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for MD5 constants

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:	pe_no_import_table Create hunting rule
Description:	Detect pe file that no import table

Rule name:	PureCrypter Create hunting rule
Author:	@bartblaze
Description:	Identifies PureCrypter, .NET loader and obfuscator.
Reference:	https://malpedia.caad.fkie.fraunhofer.de/details/win.purecrypter

Rule name:	RIPEMD160_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for RIPEMD-160 constants

Rule name:	SHA1_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA1 constants

Rule name:	SHA512_Constants Create hunting rule
Author:	phoul (@phoul)
Description:	Look for SHA384/SHA512 constants

Rule name:	shellcode Create hunting rule
Author:	nex
Description:	Matched shellcode byte patterns

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

Rule name:	SUSP_XORed_URL_In_EXE Create hunting rule
Author:	Florian Roth (Nextron Systems)
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

Rule name:	SUSP_XORed_URL_in_EXE_RID2E46 Create hunting rule
Author:	Florian Roth
Description:	Detects an XORed URL in an executable
Reference:	https://twitter.com/stvemillertime/status/1237035794973560834

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

Rule name:	vmdetect Create hunting rule
Author:	nex
Description:	Possibly employs anti-virtualization techniques

Rule name:	Windows_Trojan_Njrat_eb2698d2 Create hunting rule
Author:	Elastic Security

Rule name:	win_smominru_auto Create hunting rule
Author:	Felix Bilstein - yara-signator at cocacoding dot com
Description:	Detects win.smominru.

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
CHECK_NX	Missing Non-Executable Memory Protection	critical

Reviews

ID	Capabilities	Evidence
SHELL_API	Manipulates System Shell	shell32.dll::ShellExecuteA
WIN_BASE_API	Uses Win Base API	kernel32.dll::LoadLibraryA
WIN_BASE_IO_API	Can Create Files	version.dll::GetFileVersionInfoA

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