MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53. 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: 21


Intelligence 21 IOCs 1 YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53
SHA3-384 hash: fc8a9291866f2ef6525e6b66007eabdea119fb3e2fe21a18f1e15dadbc1372177e67b44bea8c12eaee1b7e00720085f6
SHA1 hash: 91f5d175daeded77ebb049c79d2554296a11e09e
MD5 hash: e7639106ddca55ef17957171ca438d58
humanhash: zulu-winner-tennessee-autumn
File name:y4A2r3c92VJGiW6.exe
Download: download sample
Signature njrat
Create hunting rule
File size:480'768 bytes
First seen:2025-10-13 08:55:05 UTC
Last seen:2025-11-06 10:27:04 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'665 x AgentTesla, 19'479 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 12288:p7/jlvfyfw2L+/iA+O+TzLtp9O7xKqXxEC:p7Rvfyfw2Y+pTzLtpQ1I
Threatray 1'378 similar samples on MalwareBazaar
TLSH T10FA4F1592725E706C83167F92A30E234077A6DAEB801D6165ECA7EFF767AF000C58793
TrID 71.1% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.2% (.EXE) Win64 Executable (generic) (10522/11/4)
6.3% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.3% (.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:
196.251.88.235:50084

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
196.251.88.235:50084 https://threatfox.abuse.ch/ioc/1613365/

Intelligence

File Origin
# of uploads :
2
# of downloads :
201
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
y4A2r3c92VJGiW6.exe
Verdict:
Malicious activity
Analysis date:
2025-10-13 08:56:52 UTC
Tags:
auto-sch-xml rat njrat bladabindi remote backdoor
Link:
https://app.any.run/tasks/74c64461-a3cd-4aa8-8ae2-a2a5582030c3

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/32514/
Detection(s):
no reply from clamd
Create hunting rule

Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68ecbe9b777ae46bec4230bc
Tags:
stration spawn shell
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Сreating synchronization primitives
Creating a file in the %AppData% directory
Enabling the 'hidden' option for recently created files
Adding an access-denied ACE
Creating a process with a hidden window
Creating a file in the %temp% directory
Launching a process
Unauthorized injection to a recently created process
Restart of the analyzed sample
Creating a file
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Adding an exclusion to Microsoft Defender
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
base64 bitmap config-extracted lolbin msbuild njrat njrat obfuscated obfuscated packed packed rat reconnaissance regsvcs rezer0 roboski schtasks stego vbc vbnet
Link:
https://www.filescan.io/uploads/68ecbe9b4f3013c55e4bcef2/reports/838509b4-88bd-4870-bc76-3d24fa29d834/overview
Verdict:
Malicious
Labled as:
MSIL/GenKryptik_AGeneric.BLU trojan
Link:
https://www.hybrid-analysis.com/sample/289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T05:46:00Z UTC
Last seen:
2025-10-13T12:35:00Z UTC
Hits:
~10
Detections:
HEUR:Trojan.MSIL.Taskun.sb Backdoor.MSIL.Bladabindi.sb PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Noon.gen Backdoor.Bladabindi.TCP.C&C Backdoor.Agent.TCP.C&C Trojan.MSIL.Inject.sb Trojan.MSIL.Crypt.sb
Link:
https://opentip.kaspersky.com/289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53/results?tab=lookup
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/e49c744a-b6f4-4090-8b8a-9797536013b6
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1793835
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Adds a directory exclusion to Windows Defender
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)
Found malware configuration
Injects a PE file into a foreign processes
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Sigma detected: Powershell Base64 Encoded MpPreference Cmdlet
Sigma detected: Scheduled temp file as task from temp location
Suricata IDS alerts for network traffic
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1793835 Sample: y4A2r3c92VJGiW6.exe Startdate: 13/10/2025 Architecture: WINDOWS Score: 100 45 Suricata IDS alerts for network traffic 2->45 47 Found malware configuration 2->47 49 Antivirus / Scanner detection for submitted sample 2->49 51 10 other signatures 2->51 7 y4A2r3c92VJGiW6.exe 7 2->7         started        11 sflSiN.exe 5 2->11         started        process3 file4 35 C:\Users\user\AppData\Roaming\sflSiN.exe, PE32 7->35 dropped 37 C:\Users\user\...\sflSiN.exe:Zone.Identifier, ASCII 7->37 dropped 39 C:\Users\user\AppData\Local\...\tmp2E35.tmp, XML 7->39 dropped 41 C:\Users\user\...\y4A2r3c92VJGiW6.exe.log, ASCII 7->41 dropped 53 Uses schtasks.exe or at.exe to add and modify task schedules 7->53 55 Adds a directory exclusion to Windows Defender 7->55 57 Injects a PE file into a foreign processes 7->57 13 powershell.exe 23 7->13         started        16 y4A2r3c92VJGiW6.exe 2 2 7->16         started        19 schtasks.exe 1 7->19         started        21 y4A2r3c92VJGiW6.exe 7->21         started        59 Antivirus detection for dropped file 11->59 61 Multi AV Scanner detection for dropped file 11->61 23 schtasks.exe 1 11->23         started        25 sflSiN.exe 11->25         started        signatures5 process6 dnsIp7 63 Loading BitLocker PowerShell Module 13->63 27 WmiPrvSE.exe 13->27         started        29 conhost.exe 13->29         started        43 196.251.88.235, 49718, 50084 Web4AfricaZA Seychelles 16->43 31 conhost.exe 19->31         started        33 conhost.exe 23->33         started        signatures8 process9
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable Managed .NET PDB Path PE (Portable Executable) PE File Layout SOS: 0.48 Win 32 Exe x86
Link:
https://app.malva.re/file/e7639106ddca55ef17957171ca438d58
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53/
Verdict:
Malicious
Threat:
Family.NJRAT
Link:
https://tip.neiki.dev/file/289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53
Threat name:
ByteCode-MSIL.Trojan.Taskun
Create hunting rule
Status:
Malicious
First seen:
2025-10-13 08:55:54 UTC
File Type:
PE (.Net Exe)
Extracted files:
11
AV detection:
18 of 24 (75.00%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fco6yrxcf3goatmam4qrooowqxi5qb4jljejjwqo32j5racnbnjq._file
Verdict:
malicious
Label(s):
unc_loader_037
Create hunting rule
njrat
Create hunting rule
Similar samples:
0f67fe74fb4cf4338c01d4fef99efbc2d7fa49d5acd524e0dd7a7700c8c80af4
njrat
289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53
njrat
6b99c4f6b8babd1543ea649610670d97754414f0ca42564205aa4b08ce8471b4
njrat
6d50cfbe3ac8227b0a5aa9147f632cefa45bdf3878812a1fafeaf54a5e3e6c34
njrat
d491c15add4aebfad993dc9eb7b21d5f00d373e1e4acab3b6393c9568bdb26bc
njrat
error
njrat
f4071d13b9c541b34106ad5f9bce5eb4c320d390b3cb3cc42b12981b1ad0ef33
njrat
+ 1'368 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:nyan cat discovery execution persistence trojan
Link:
https://tria.ge/reports/251013-kvxlesw1ey/
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of SetThreadContext
Checks computer location settings
Executes dropped EXE
Command and Scripting Interpreter: PowerShell
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
196.251.88.235:50084
Verdict:
Malicious
Tags:
Bladabindi njrat
YARA:
n/a
Link:
https://app.threat.zone/submission/e3c58723-f37a-4bb8-9cd9-e6822d2bb08f
Unpacked files
SH256 hash:
289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53
MD5 hash:
e7639106ddca55ef17957171ca438d58
SHA1 hash:
91f5d175daeded77ebb049c79d2554296a11e09e
Link:
https://www.unpac.me/results/98857790-f8e8-485d-b896-e38605bcd9d8/
SH256 hash:
8522ff4a9e1ced004c5ae95c7f1db21756af8b99746a244e53adff8aae88f146
MD5 hash:
02d5c38c0c1be176de302329075fd01e
SHA1 hash:
7b0972c85d1eab5121a9a330514070437381e077
Detections:
SUSP_OBF_NET_ConfuserEx_Name_Pattern_Jan24
Create hunting rule
SUSP_OBF_NET_Reactor_Indicators_Jan24
Create hunting rule
Link:
https://www.unpac.me/results/98857790-f8e8-485d-b896-e38605bcd9d8/
SH256 hash:
b6781edd819929c2fe8b41985314c4eaed3c35ce05a61cdf911da3f09de53074
MD5 hash:
69fe9dc75c1792830f0a6d2525d05b22
SHA1 hash:
ae712836721804406194a813b91c7dd9f122d28c
Link:
https://www.unpac.me/results/98857790-f8e8-485d-b896-e38605bcd9d8/
SH256 hash:
2c2e2c75636530c4c40567b850a52063b55e445d2f408d10a92fdc5e7733c3fa
MD5 hash:
61212ca537fee8d87267215bbfc5e9c5
SHA1 hash:
eef01ae4159d7947964011edc2eb515c416feff9
Detections:
win_njrat
Create hunting rule
win_njrat_bytecodes_V2_oct_2023
Create hunting rule
Link:
https://www.unpac.me/results/98857790-f8e8-485d-b896-e38605bcd9d8/
Parent samples :
289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53
c5efa587fe489673591d0de5da8a67a0a558339ce0ac6de7ade6d623ba104e2f
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/289dec46e22e/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/289dec46e22ecce04d8067211739d685d1d807895a4894da0ede93d8804d0b53

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:NET
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/32514/

Comments