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MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 622ad8a0eb9290c6c1fb7924f6019e18b34fee8b7583d756f1c8750ed6e793e8. 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 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 622ad8a0eb9290c6c1fb7924f6019e18b34fee8b7583d756f1c8750ed6e793e8
SHA3-384 hash: 353e4f21ab3e2a0cb927bfef0b323ff35d5b8240d24a2ce04ce74646a0f9b9918cd38b119681804dadb322d428a39576
SHA1 hash: bf2b4974db62c18a5c83ce2f86ddbf1d89b2a030
MD5 hash: 15d1b26149fde69fc4203df9dfb6f220
humanhash: carbon-black-video-arizona
File name:15d1b26149fde69fc4203df9dfb6f220.exe
Download: download sample
Signature njrat
Create hunting rule
File size:30'720 bytes
First seen:2026-08-19 20:00:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'287 x AgentTesla, 20'697 x Formbook, 12'401 x SnakeKeylogger)
ssdeep 768:J225M5U7Em4veab83XldBboRpYkQNg4JptE:J22V7Etv9eXZogkQO4Jpm
TLSH T171D2D11521F90616CA774BFE39E741B113FA7948AC77CD2E58788C1B6A093AF4C017B8
TrID 73.9% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
6.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
6.6% (.EXE) Win64 Executable (generic) (6522/11/2)
4.5% (.EXE) Win32 Executable (generic) (4504/4/1)
2.0% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
2.56.165.157:991

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
2.56.165.157:991 https://threatfox.abuse.ch/ioc/1882680/

Intelligence

File Origin
# of uploads :
1
# of downloads :
265
Origin country :
NL NL
Vendor Threat Intelligence
Malware configuration found for:
NetShrink njRAT
Details
Link:
https://research.acce.ciphertechsolutions.com/results/84622fd4-1228-4f41-8c53-27ca8e6568b8/
Malware family:
njrat
Create hunting rule
ID:
1
File name:
a52fefca0c5a1263b0b7eee18c5ebe87
Verdict:
Malicious activity
Analysis date:
2026-08-18 12:38:14 UTC
Tags:
rat njrat bladabindi remote backdoor
Link:
https://app.any.run/tasks/4eb9b855-2edb-4c2b-a731-7bc99be17840

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/82066/
Detection(s):
Win.Dropper.Nanocore-10030076-0
Create hunting rule

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

Win.Trojan.Bladabindi-6192388-0
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

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6ac63b9678af3802e3505781
Tags:
autorun micro shell msil
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Running batch commands
Creating a process with a hidden window
Launching a process
Creating a file
Creating a window
Searching for the window
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Blocking the User Account Control
Launching a tool to kill processes
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Labled as:
Win/malicious_confidence_100%
Link:
https://www.hybrid-analysis.com/sample/622ad8a0eb9290c6c1fb7924f6019e18b34fee8b7583d756f1c8750ed6e793e8
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/6550de0b-3df9-4303-8923-9c4fca07a2b6
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1960735
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Disables UAC (registry)
Disables Windows Defender (via service or powershell)
Disables zone checking for all users
Drops PE files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Modifies Windows Defender protection settings
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Powershell Defender Disable Scan Feature
Suricata IDS alerts for network traffic
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses taskkill to terminate AV processes
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1960735 Sample: 1W77Vy2p6V.exe Startdate: 19/08/2026 Architecture: WINDOWS Score: 100 61 Suricata IDS alerts for network traffic 2->61 63 Found malware configuration 2->63 65 Malicious sample detected (through community Yara rule) 2->65 67 12 other signatures 2->67 8 1W77Vy2p6V.exe 5 4 2->8         started        13 1W77Vy2p6V.exe 3 2->13         started        15 1W77Vy2p6V.exe 2 2->15         started        process3 dnsIp4 53 2.56.165.157, 49710, 991 LABIXEGB Netherlands 8->53 47 C:\...\4e555ed45731783c5904eec38e0c55cf.exe, PE32 8->47 dropped 49 4e555ed45731783c59...exe:Zone.Identifier, ASCII 8->49 dropped 69 Uses taskkill to terminate AV processes 8->69 71 Protects its processes via BreakOnTermination flag 8->71 73 Disables zone checking for all users 8->73 75 5 other signatures 8->75 17 cmd.exe 1 8->17         started        20 cmd.exe 1 8->20         started        22 cmd.exe 1 8->22         started        24 5 other processes 8->24 51 C:\Users\user\AppData\...\1W77Vy2p6V.exe.log, CSV 13->51 dropped file5 signatures6 process7 signatures8 55 Modifies Windows Defender protection settings 17->55 57 Disables Windows Defender (via service or powershell) 17->57 26 powershell.exe 23 17->26         started        29 conhost.exe 17->29         started        31 reg.exe 1 20->31         started        33 conhost.exe 20->33         started        59 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 22->59 35 taskkill.exe 1 22->35         started        37 conhost.exe 22->37         started        39 conhost.exe 24->39         started        41 conhost.exe 24->41         started        43 4 other processes 24->43 process9 signatures10 77 Loading BitLocker PowerShell Module 26->77 45 WmiPrvSE.exe 26->45         started        79 Disables UAC (registry) 31->79 process11
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/622ad8a0eb9290c6c1fb7924f6019e18b34fee8b7583d756f1c8750ed6e793e8
Verdict:
njRat
YARA:
10 match(es)
Tags:
.Net Executable Managed .NET njRat PE (Portable Executable) PE File Layout RAT SOS: 0.29 SOS: 0.31 Win 32 Exe x86
Malware Config
C2 Extraction:
CNC: 2.56.165.157
PORT: 991
Link:
https://app.malva.re/file/15d1b26149fde69fc4203df9dfb6f220
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/622ad8a0eb9290c6c1fb7924f6019e18b34fee8b7583d756f1c8750ed6e793e8/
Threat name:
ByteCode-MSIL.Backdoor.NjRAT
Create hunting rule
Status:
Malicious
First seen:
2026-08-16 22:35:31 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
30 of 36 (83.33%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=mivnrihlskimnqp3pespmam6dczu73ulowb5ovxrzb2q5vxhspua._file
Verdict:
malicious
Label(s):
NjRAT
Create hunting rule
Link:
https://reports.threatray.com/b28240f4-6ef6-4493-94ed-8b610f33ee5b
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:victim defense_evasion execution persistence privilege_escalation trojan
Link:
https://tria.ge/reports/260819-yrfemavvf1/
Behaviour
Kills process with taskkill
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Executes a command shell one-liner
Launches sc.exe
Adds Run key to start application
Command and Scripting Interpreter: PowerShell
Creates a file in the Startup directory
Stops running service(s)
Disables one or more Microsoft Defender components
Family: njRAT/Bladabindi
UAC bypass
Malware Config
C2 Extraction:
2.56.165.157:991
Unpacked files
SH256 hash:
622ad8a0eb9290c6c1fb7924f6019e18b34fee8b7583d756f1c8750ed6e793e8
MD5 hash:
15d1b26149fde69fc4203df9dfb6f220
SHA1 hash:
bf2b4974db62c18a5c83ce2f86ddbf1d89b2a030
Link:
https://www.unpac.me/results/3fcb5a1c-2fc4-4122-bc34-9761c239de0f/
SH256 hash:
bf5d606dc495dfcdd15652b451a13f450b9f58a7815789fc66893b11a003ede4
MD5 hash:
78f5c54707cecb57dcf68200377731a0
SHA1 hash:
ecc4cc8136856322045fd6a30bb406a05b70cf1e
Detections:
NjRat
Create hunting rule
win_njrat_w1
Create hunting rule
CN_disclosed_20180208_c
Create hunting rule
INDICATOR_SUSPICIOUS_EXE_RawPaste_URL
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
MAL_Winnti_Sample_May18_1
Create hunting rule
Njrat
Create hunting rule
Unknown_Malware_Sample_Jul17_2
Create hunting rule
Link:
https://www.unpac.me/results/3fcb5a1c-2fc4-4122-bc34-9761c239de0f/
Malware family:
RevengeRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/622ad8a0eb92/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/622ad8a0eb9290c6c1fb7924f6019e18b34fee8b7583d756f1c8750ed6e793e8

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: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

File information

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

Cape
Cape
https://www.capesandbox.com/analysis/82066/

Comments