🤲🏼 NEW | abuse.ch Community Hub! Earn recognition 🏅 for the malware intelligence you share, climb the leaderboards 📈, and connect with like-minded contributors who share your hunting focus 🤝. Ready to unlock your profile? Go to the Community Hub →

MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b. 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: 18


Intelligence 18 IOCs 1 YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b
SHA3-384 hash: 2b74e3b8bb08088d7f18ece79d5704439e051b55cdb9097e85ddda30455e4145b7cc9b775d60369c84240273c72157e0
SHA1 hash: ea585a502ef2a89adf507d7e8a26129c3faaff63
MD5 hash: 15e12235e0ff99601bcf926331d50610
humanhash: india-artist-north-stairway
File name:15e12235e0ff99601bcf926331d50610.exe
Download: download sample
Signature njrat
Create hunting rule
File size:19'456 bytes
First seen:2025-12-18 22:55:07 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash d4ff4e9520d2b9d618be12fecec0c0ac (1 x njrat)
ssdeep 384:wviYpwZswO9N7wpj6gPR9h/jH+GE8MKckqEAiu/U6YMuCIOvYS8:BYpwZsTHwZ6WR3T+Gh4M+uMYS8
TLSH T1FC92BECB6A5653B6D4A018F04122450927FA572B56CCBC27EA98C68138FA567E0F0EB3
TrID 90.5% (.EXE) CExe compressed Win32 executable (530810/7/33)
5.3% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
1.1% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
0.8% (.EXE) Win16 NE executable (generic) (5038/12/1)
0.7% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
121.165.121.162:6060

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
121.165.121.162:6060 https://threatfox.abuse.ch/ioc/1682126/

Intelligence

File Origin
# of uploads :
1
# of downloads :
248
Origin country :
NL NL
Vendor Threat Intelligence
No detections
Malware family:
njrat
Create hunting rule
ID:
1
File name:
_4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b.exe
Verdict:
Malicious activity
Analysis date:
2025-12-18 22:55:25 UTC
Tags:
auto-reg rat njrat bladabindi auto-startup
Link:
https://app.any.run/tasks/74b2d996-1683-480e-867c-2a74b8419ef0

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/45468/
Detection(s):
SecuriteInfo.com.Win32.Delf.dropper.307.UNOFFICIAL
Create hunting rule

PUA.Win.Packer.Cexe-3
Create hunting rule

PUA.Win.Packer.Cexe-4
Create hunting rule

PUA.Win.Packer.Cexe-2
Create hunting rule

Verdict:
Malicious
Score:
99.1%
Link:
https://cyber-fortress.com/docs/result/index.php?id=694486544d2b81828c3b9854
Tags:
bladabindi crimsonrat autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Launching a process
Searching for synchronization primitives
Sending a custom TCP request
Сreating synchronization primitives
Creating a window
Unauthorized injection to a recently created process
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
bladabindi cexe microsoft_visual_cc njrat packed packed
Link:
https://www.filescan.io/uploads/694486565ceddcfa3ff606ab/reports/0c2664cb-8e5f-46f7-9a3a-9f77e8ac8c47/overview
Verdict:
Malicious
Labled as:
IL:Trojan.MSILZilla
Link:
https://www.hybrid-analysis.com/sample/4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-15T06:11:00Z UTC
Last seen:
2025-12-15T19:53:00Z UTC
Hits:
~10
Detections:
HEUR:Backdoor.MSIL.Generic Backdoor.MSIL.Bladabindi.sb Trojan.MSIL.DOTHETUK.sb PDM:Trojan.Win32.Generic Trojan.Win32.Gorgon.sb HEUR:Trojan-Spy.MSIL.KeyLogger.gen HEUR:Trojan.Win32.Generic HEUR:Trojan.MSIL.Crypt.gen
Link:
https://opentip.kaspersky.com/4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b/results?tab=lookup
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/9932edd6-3488-4384-812f-23856c08bed1
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1836018
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Creates autostart registry keys with suspicious names
Disables zone checking for all users
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Joe Sandbox ML detected suspicious sample
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Unusual module load detection (module proxying)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1836018 Sample: whSaNMLat5.exe Startdate: 18/12/2025 Architecture: WINDOWS Score: 100 43 lundo113114.codns.com 2->43 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Antivirus detection for dropped file 2->51 53 8 other signatures 2->53 10 whSaNMLat5.exe 2 2->10         started        13 svchost.exe 2->13         started        16 svchost.exe 2 2->16         started        18 5 other processes 2->18 signatures3 process4 file5 39 C:\Users\user\Desktop\sxeF186.tmp, PE32 10->39 dropped 20 sxeF186.tmp 1 5 10->20         started        69 Changes security center settings (notifications, updates, antivirus, firewall) 13->69 24 MpCmdRun.exe 1 13->24         started        signatures6 process7 file8 37 C:\Users\user\AppData\Local\...\svchost.exe, PE32 20->37 dropped 55 Antivirus detection for dropped file 20->55 57 Multi AV Scanner detection for dropped file 20->57 59 Drops PE files with benign system names 20->59 26 svchost.exe 4 5 20->26         started        31 conhost.exe 24->31         started        signatures9 process10 dnsIp11 45 lundo113114.codns.com 121.165.121.162, 49723, 6060 KIXS-AS-KRKoreaTelecomKR Korea Republic of 26->45 41 C:\...\c863b95637bfb130a0c7a324b9114149.exe, PE32 26->41 dropped 61 Antivirus detection for dropped file 26->61 63 System process connects to network (likely due to code injection or exploit) 26->63 65 Multi AV Scanner detection for dropped file 26->65 67 7 other signatures 26->67 33 netsh.exe 2 26->33         started        file12 signatures13 process14 process15 35 conhost.exe 33->35         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b
Verdict:
inconclusive
YARA:
5 match(es)
Tags:
.Net Executable PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/15e12235e0ff99601bcf926331d50610
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b/
Verdict:
Malicious
Threat:
Family.njrat
Link:
https://tip.neiki.dev/file/4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-12-16 09:05:10 UTC
AV detection:
18 of 23 (78.26%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=jjs4e7ejbkl6nd54lxjfwtmifd4dj5qpgb5mwksjphptei64xjfq._file
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat defense_evasion discovery persistence privilege_escalation trojan
Link:
https://tria.ge/reports/251223-p5214szkct/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Verdict:
Malicious
Tags:
njrat Bladabindi
YARA:
n/a
Link:
https://app.threat.zone/submission/af8da1b4-169f-4fbb-ad29-d8fb8f95a4d9
Unpacked files
SH256 hash:
4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b
MD5 hash:
15e12235e0ff99601bcf926331d50610
SHA1 hash:
ea585a502ef2a89adf507d7e8a26129c3faaff63
Link:
https://www.unpac.me/results/85c87979-3c4c-4f41-91d7-2264ca9607c2/
SH256 hash:
5afecbae2ba3a501495870154c2565958a3bf742ae3b3b9702706589ad7177b1
MD5 hash:
3640350b44361cfe9c8d97e867a68563
SHA1 hash:
d93442d829a973418f0152397ea6f0bacb122ce8
Link:
https://www.unpac.me/results/85c87979-3c4c-4f41-91d7-2264ca9607c2/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.70
Link:
https://yomi.yoroi.company/submissions/4a65c27c890a97e68fbc5dd25b4d8828f834f60f307acb2a4979df3223dcba4b

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:CExev10a
Create hunting rule
Author:malware-lu
Rule name:shellcode
Create hunting rule
Author:nex
Description:Matched shellcode byte patterns

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/45468/

Comments