MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c5518a2c94d6f6f1d38d6a55d5cb93e2e4d0a82f09088f0e1f583e46ff28ded9. 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
| SHA256 hash: | c5518a2c94d6f6f1d38d6a55d5cb93e2e4d0a82f09088f0e1f583e46ff28ded9 |
|---|---|
| SHA3-384 hash: | 9f5316fe03e774df15a6894c738cd33b277d0f6a96fdf7755477d96a9a842b5a5fae10f92121d47bf7efdba51376c551 |
| SHA1 hash: | fa1cfbe073cf31452fafedcd354962ed14106745 |
| MD5 hash: | 8f23c142ec3a311dbed1983e7288d6fc |
| humanhash: | lemon-autumn-diet-violet |
| File name: | clYYYYY.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 1'112'064 bytes |
| First seen: | 2025-12-08 02:20:05 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 1895460fffad9475fda0c84755ecfee1 (456 x Formbook, 155 x AgentTesla, 79 x a310Logger) |
| ssdeep | 24576:k5EmXFtKaL4/oFe5T9yyXYfP1ijXdatNzeqo8R6G:kPVt/LZeJbInQRat9E |
| Threatray | 1'113 similar samples on MalwareBazaar |
| TLSH | T1D235AE027391D062FFAB92334F56F6115BBC79260123A62F13981DB9BE701B1563E7A3 |
| TrID | 40.3% (.EXE) Win64 Executable (generic) (10522/11/4) 19.3% (.EXE) Win16 NE executable (generic) (5038/12/1) 17.2% (.EXE) Win32 Executable (generic) (4504/4/1) 7.7% (.EXE) OS/2 Executable (generic) (2029/13) 7.6% (.EXE) Generic Win/DOS Executable (2002/3) |
| Magika | pebin |
| dhash icon | aae2f3e38383b629 (2'697 x Formbook, 1'203 x CredentialFlusher, 928 x AgentTesla) |
| Reporter |  abuse_ch |
| Tags: | exe NjRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 176.65.132.12:5588 | https://threatfox.abuse.ch/ioc/1670039/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
220
Origin country :
NLVendor Threat Intelligence
Malware configuration found for:
AutoIt
Details
AutoIt
extracted scripts and files
Malware family:
njrat
ID:
1
File name:
clYYYYY.exe
Verdict:
Malicious activity
Analysis date:
2025-12-08 02:20:53 UTC
Tags:
rat njrat bladabindi remote backdoor netreactor
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
n/a
Detection(s):
Verdict:
Malicious
Score:
92.5%
Tags:
bladabindi autoit emotet njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Creating a file in the %temp% directory
Restart of the analyzed sample
Sending a custom TCP request
Verdict:
Likely Malicious
Threat level:
7.5/10
Confidence:
100%
Tags:
adaptive-context anti-debug autoit compiled-script fingerprint keylogger microsoft_visual_cc packed
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-07T23:12:00Z UTC
Last seen:
2025-12-09T14:18:00Z UTC
Hits:
~10
Detections:
Trojan.Win32.Inject.sb Trojan.Win32.Auzenpak.sb PDM:Trojan.Win32.Generic Backdoor.Agent.TCP.C&C Trojan.Win32.Strab.sb Backdoor.MSIL.Bladabindi.sb HEUR:Trojan-Spy.MSIL.KeyLogger.gen HEUR:Trojan.MSIL.Crypt.gen Backdoor.Win32.Bladabindi.drt Backdoor.Bladabindi.TCP.C&C Trojan.Win32.Zenpak.sb
Verdict:
Malicious
Result
Threat name:
Njrat
Detection:
malicious
Classification:
troj.evad
Score:
100 / 100
Signature
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Found malware configuration
Joe Sandbox ML detected suspicious sample
Maps a DLL or memory area into another process
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Switches to a custom stack to bypass stack traces
Writes to foreign memory regions
Yara detected Njrat
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Verdict:
Malware
YARA:
7 match(es)
Tags:
AutoIt Decompiled Executable PDB Path PE (Portable Executable) PE File Layout Suspect Win 32 Exe x86
Verdict:
Malicious
Threat:
Family.NJRAT
Threat name:
Win32.Trojan.AutoitInject
Status:
Malicious
First seen:
2025-12-08 02:20:19 UTC
File Type:
PE (Exe)
Extracted files:
28
AV detection:
16 of 36 (44.44%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
asyncrat
unc_loader_001
Similar samples:
+ 1'103 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:nyan cat discovery trojan
Behaviour
Suspicious behavior: MapViewOfSection
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of SendNotifyMessage
Suspicious use of WriteProcessMemory
System Location Discovery: System Language Discovery
Drops file in Windows directory
Suspicious use of SetThreadContext
Drops desktop.ini file(s)
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
176.65.132.12:5588
Verdict:
Malicious
Tags:
Bladabindi njrat
YARA:
n/a
Unpacked files
SH256 hash:
7ee80d06760d6479a38a7b03eeae7e141f2c7028e7e2a7bf1cd02c9edddc78d8
MD5 hash:
0a34543df730f08dc41066e23ed3a8ce
SHA1 hash:
fdd798cc282ca00fd83f260a155bb543f48eee1b
Detections:
win_samsam_auto
SH256 hash:
4f15d0034c17a4a1fe901515c8ad549eb6b6755e57768167f4db9d1d6f22419d
MD5 hash:
7dc6dfa45e8cd45345583445a7263b21
SHA1 hash:
321c536a685f1f5064b88d9866c5daec061ac37a
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
win_njrat
SH256 hash:
91e5c09085111b787c2241bae2716396ef7359bf0d854cf99bdb1c909557b1af
MD5 hash:
088a5ba2f1f2db9991c34147b83ca676
SHA1 hash:
d4e378824dc8de5ebfb5d0dd94280c3ef7b84ee7
Detections:
SUSP_OBF_NET_Reactor_Indicators_Jan24
RedLine_Campaign_June2021
win_njrat
SH256 hash:
c5518a2c94d6f6f1d38d6a55d5cb93e2e4d0a82f09088f0e1f583e46ff28ded9
MD5 hash:
8f23c142ec3a311dbed1983e7288d6fc
SHA1 hash:
fa1cfbe073cf31452fafedcd354962ed14106745
Malware family:
njRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | AutoIT_Compiled |
|---|---|
| Author: | @bartblaze |
| Description: | Identifies compiled AutoIT script (as EXE). This rule by itself does NOT necessarily mean the detected file is malicious. |
| Rule name: | CP_Script_Inject_Detector |
|---|---|
| Author: | DiegoAnalytics |
| Description: | Detects attempts to inject code into another process across PE, ELF, Mach-O binaries |
| Rule name: | DebuggerCheck__API |
|---|---|
| Reference: | https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara |
| Rule name: | golang_bin_JCorn_CSC846 |
|---|---|
| Author: | Justin Cornwell |
| Description: | CSC-846 Golang detection ruleset |
| Rule name: | NET |
|---|---|
| Author: | malware-lu |
| Rule name: | pe_detect_tls_callbacks |
|---|
| Rule name: | TH_Generic_MassHunt_Win_Malware_2025_CYFARE |
|---|---|
| Author: | CYFARE |
| Description: | Generic Windows malware mass-hunt rule - 2025 |
| Reference: | https://cyfare.net/ |
| Rule name: | win_samsam_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | autogenerated rule brought to you by yara-signator |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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