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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4cb3fc50e4ef660ef27482462cc0ab20df48af0dcd2b6c032262afe95e04625d. 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: 11


Intelligence 11 IOCs YARA 46 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4cb3fc50e4ef660ef27482462cc0ab20df48af0dcd2b6c032262afe95e04625d
SHA3-384 hash: 8c5a1d1d6e49a59e3c712eeb02b3bbd27b68442fefb016d4f1a42f821f87c4ce2b531e3f3ba17be28eadd468a3ff49b3
SHA1 hash: f7ea773d737641dd87071292cac628487d4abbd1
MD5 hash: 6a9a249e061e1a9824ed92a5e656f6a8
humanhash: december-charlie-romeo-india
File name:4cb3fc50e4ef660ef27482462cc0ab20df48af0dcd2b6c032262afe95e04625d.zip
Download: download sample
Signature njrat
Create hunting rule
File size:15'189 bytes
First seen:2026-02-24 16:57:50 UTC
Last seen:Never
File type: zip
MIME type:application/zip
ssdeep 384:nkMc4GFUspLGcra/trfBT+MMkUGZIs3oALRkItQs8rt:kMZGaqGcrCrJ6DkzLZL5Bu
TLSH T1F862C0B1E842DEBBE8C2A56104F45B73A116E11DBDBB261D5904EF3847A8DC009F6E10
Magika zip
Reporter BastianHein
Tags:NjRAT zip

Intelligence

File Origin
# of uploads :
1
# of downloads :
163
Origin country :
CL CL
File Archive Information

This file archive contains 1 file(s), sorted by their relevance:

File name:mcpackCheker.exe
File size:32'256 bytes
SHA256 hash: bb962cadd8e5ae8989484e6feeb8f2f97a860ae4c964e5a3efc297a8d2a5e0a5
MD5 hash: 8afd07fd674b1065a96c5aa59cec30c7
MIME type:application/x-dosexec
Signature njrat
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/42b560b4-4f1c-47d1-84a7-d3b2935f14e8/
Detection(s):
Win.Packed.Generic-9795615-0
Create hunting rule

Win.Packed.Generic-9795616-0
Create hunting rule

Win.Dropper.njRAT-10015886-0
Create hunting rule

Win.Dropper.Nanocore-10030076-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
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Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=699dd8b18fffa866e3b1ac9f
Tags:
bladabindi infosteal njrat proxy
Result
Verdict:
Malicious
File Type:
PE File
Link:
https://app.docguard.net/4cb3fc50e4ef660ef27482462cc0ab20df48af0dcd2b6c032262afe95e04625d/results/dashboard
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm base64 bladabindi cmd config-extracted fingerprint lolbin netsh njrat njrat obfuscated rat reconnaissance vbnet windows winnti
Link:
https://www.filescan.io/uploads/699dd8ba97feb4afd6575471/reports/63bcae18-618c-4f46-903a-7fa7062d0844/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/4cb3fc50e4ef660ef27482462cc0ab20df48af0dcd2b6c032262afe95e04625d
Verdict:
Malicious
File Type:
zip
Link:
https://opentip.kaspersky.com/4cb3fc50e4ef660ef27482462cc0ab20df48af0dcd2b6c032262afe95e04625d/results?tab=lookup
Score:
100%
Verdict:
Malware
File Type:
ARCHIVE
Link:
https://malprob.io/report/4cb3fc50e4ef660ef27482462cc0ab20df48af0dcd2b6c032262afe95e04625d
Verdict:
njRat
YARA:
3 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.27 Zip Archive
Malware Config
C2 Extraction:
CNC: 2.tcp.eu.ngrok.io
PORT: 11523
Link:
https://app.malva.re/file/6a9a249e061e1a9824ed92a5e656f6a8
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4cb3fc50e4ef660ef27482462cc0ab20df48af0dcd2b6c032262afe95e04625d/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2026-02-21 21:17:30 UTC
File Type:
Binary (Archive)
Extracted files:
2
AV detection:
28 of 36 (77.78%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jsz7yuhe55ta54tuqjdczqfledpurlynzuvwyazcmkx6sxqemjoq._file
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/4cb3fc50e4ef660ef27482462cc0ab20df48af0dcd2b6c032262afe95e04625d

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:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
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:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
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
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Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
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:win32_njrat
Create hunting rule
Author:Reedus0
Description:Rule for detecting njRAT malware
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:win_njrat_g1
Create hunting rule
Author:Daniel Plohmann <daniel.plohmann<at>fkie.fraunhofer.de>
Rule name:win_njrat_strings_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

File information

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

Comments