MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317. 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 4 YARA 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317
SHA3-384 hash: 322cca7ce5be30c03ce0889c5c2dad5598b7da43c27a5da92abc10a90ab84a73c72e54105309818ebde3ad566b9f6ca0
SHA1 hash: 28397c570720e9767ab75cc275548d345319f87f
MD5 hash: 37641f407b8ca3b4e56e6d6c51e45c5f
humanhash: johnny-cola-jersey-blossom
File name:37641F407B8CA3B4E56E6D6C51E45C5F.exe
Download: download sample
Signature njrat
Create hunting rule
File size:509'230 bytes
First seen:2025-12-11 17:15:11 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (454 x NirCmd, 393 x DCRat, 52 x RedLineStealer)
ssdeep 12288:2ToPWBv/cpGrU3yVtX+t4VSaA/r5cRknIBzW/C:2TbBv5rUyXVSP/r05BV
Threatray 3'513 similar samples on MalwareBazaar
TLSH T12CB4E102BEC198B2D56219335A796B21B93CBD201F66CEDF63D42A2DDA315C0D7307B6
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10522/11/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.69.82.126:16549

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
3.69.82.126:16549 https://threatfox.abuse.ch/ioc/1675852/
18.184.107.63:16549 https://threatfox.abuse.ch/ioc/1675853/
3.72.225.3:16549 https://threatfox.abuse.ch/ioc/1675854/
63.176.154.20:16549 https://threatfox.abuse.ch/ioc/1675855/

Intelligence

File Origin
# of uploads :
1
# of downloads :
172
Origin country :
NL NL
Vendor Threat Intelligence
Details
Link:
https://research.acce.ciphertechsolutions.com/results/f1bb9943-7705-4251-92bc-9ff0db8d7983/
Malware family:
njrat
Create hunting rule
ID:
1
File name:
_ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317.exe
Verdict:
Malicious activity
Analysis date:
2025-12-11 17:16:51 UTC
Tags:
rat njrat bladabindi auto-startup
Link:
https://app.any.run/tasks/03887165-e616-47b8-96a9-de1219c144c9

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/44333/
Detection(s):
Win.Packed.Nanocore-9942160-0
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=693afc2da675b653bd102be5
Tags:
injection virus
Verdict:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm bladabindi fingerprint installer installer microsoft_visual_cc nanocore overlay overlay sfx
Link:
https://www.filescan.io/uploads/693afc2acf690d27f3dcd364/reports/bbb6c1a5-4e1f-4b25-96b1-bfbff371dd5c/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_70%
Link:
https://www.hybrid-analysis.com/sample/ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-12-09T08:01:00Z UTC
Last seen:
2025-12-10T03:00:00Z UTC
Hits:
~10
Detections:
Backdoor.MSIL.Bladabindi.sb Backdoor.MSIL.Bladabindi.cnvm Backdoor.MSIL.Njrat.sb PDM:Trojan.Win32.Generic HEUR:Trojan-Spy.MSIL.Agent.gen HEUR:Trojan.Win32.Generic HEUR:Trojan.MSIL.Crypt.gen NetTool.Ngrok.UDP.C&C
Link:
https://opentip.kaspersky.com/ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317/results?tab=lookup
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/86533d38-65c4-478b-baf9-4276983b8536
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.evad
Score:
93 / 100
Link:
https://www.joesandbox.com/analysis/1831108
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Connects to many ports of the same IP (likely port scanning)
Disables zone checking for all users
Drops PE files to the startup folder
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Suricata IDS alerts for network traffic
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1831108 Sample: Pt8b1aineu.exe Startdate: 11/12/2025 Architecture: WINDOWS Score: 93 39 0.tcp.eu.ngrok.io 2->39 47 Suricata IDS alerts for network traffic 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 8 other signatures 2->53 10 Pt8b1aineu.exe 19 2->10         started        13 Java update.exe 2->13         started        signatures3 process4 file5 35 C:\Users\user\Desktop\VPN.sfx.exe, PE32 10->35 dropped 15 cmd.exe 1 10->15         started        process6 process7 17 VPN.sfx.exe 18 15->17         started        20 conhost.exe 15->20         started        file8 31 C:\Users\user\Desktop\VPN.exe, PE32 17->31 dropped 22 VPN.exe 1 3 17->22         started        process9 file10 33 C:\Users\user\AppData\Roaming\AAAAAAt.exe, PE32 22->33 dropped 55 Antivirus detection for dropped file 22->55 57 Multi AV Scanner detection for dropped file 22->57 26 AAAAAAt.exe 1 3 22->26         started        signatures11 process12 dnsIp13 41 63.179.212.53, 16549, 49790, 49791 SPRINTLINKUS United States 26->41 43 0.tcp.eu.ngrok.io 3.72.225.3, 16549, 49698, 49699 AMAZON-02US United States 26->43 45 3.73.88.130, 16549, 49722, 49723 AMAZON-02US United States 26->45 37 C:\Users\user\AppData\...\Java update.exe, PE32 26->37 dropped 59 Antivirus detection for dropped file 26->59 61 Multi AV Scanner detection for dropped file 26->61 63 Disables zone checking for all users 26->63 65 Drops PE files to the startup folder 26->65 file14 signatures15
Score:
94%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317
Verdict:
inconclusive
YARA:
4 match(es)
Tags:
Executable PDB Path PE (Portable Executable) PE File Layout Win 32 Exe x86
Link:
https://app.malva.re/file/37641f407b8ca3b4e56e6d6c51e45c5f
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317/
Verdict:
Malicious
Threat:
Family.NJRAT
Link:
https://tip.neiki.dev/file/ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317
Threat name:
Win32.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2023-02-02 20:18:07 UTC
File Type:
PE (Exe)
Extracted files:
36
AV detection:
16 of 24 (66.67%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=5sx5ddwn64lvvkwnozps4hqckt6nkkmjx6id34t3fprkpq4fkmlq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
unc_loader_051
Create hunting rule
Similar samples:
51bdb67f48438a81e9272a26afa50e28da1a4bf29859e8fbc3c1be5f2b99d567
njrat
6d1aa6768394decd5f24bcabbc3ab3bf08f140fad1e11100240b471cc2a5aaf8
njrat
7f930050a1cfb55393b738cef30ccfeeb540bb1d047ffecd0c2aaa038bf69c29
njrat
8a6ac42273774f12b5e5f3bba953365cb44ca63a0dd888e301a295f34fff69fd
njrat
b073bd6963c36cd4ea37acf1ccd75d418ac3e293a51e8accebc96a97215ddf81
njrat
error
njrat
+ 3'503 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked discovery trojan
Link:
https://tria.ge/reports/251211-vsqefaer5t/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
0.tcp.eu.ngrok.io:16549
Verdict:
Malicious
Tags:
Win.Packed.Nanocore-9942160-0
YARA:
n/a
Link:
https://app.threat.zone/submission/5ca20b7f-7941-4d75-9957-d45ffc94d9f9
Unpacked files
SH256 hash:
ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317
MD5 hash:
37641f407b8ca3b4e56e6d6c51e45c5f
SHA1 hash:
28397c570720e9767ab75cc275548d345319f87f
Link:
https://www.unpac.me/results/6143abde-853b-4248-9bd4-96647cf9f948/
SH256 hash:
9eb1b66e61a12cbf7ac4329927c5faeb685189b5ab27345e02a4fee0f376c7c2
MD5 hash:
d4c2de7c3d4b532d74c646ce1566c19c
SHA1 hash:
da03c611b5e344e804eaa4fa8bdd5cd2f5836cd8
Detections:
CN_disclosed_20180208_c
Create hunting rule
win_njrat_2
Create hunting rule
Njrat
Create hunting rule
MALWARE_Win_NjRAT
Create hunting rule
Link:
https://www.unpac.me/results/6143abde-853b-4248-9bd4-96647cf9f948/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/ecafd18ecdf7/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Frauhost
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/ecafd18ecdf7175aaacd765f2e1e0254fcd52989bf903df27b2be2a7c3855317

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:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DetectEncryptedVariants
Create hunting rule
Author:Zinyth
Description:Detects 'encrypted' in ASCII, Unicode, base64, or hex-encoded
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants

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/44333/

Comments