MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f. 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: 15


Intelligence 15 IOCs YARA 16 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f
SHA3-384 hash: 3370ccbd7d0030b26f0452f1b7628c2de78385915ac16110fb47c44b59f68213f943bb88f4614dbe973765deec8aeb67
SHA1 hash: 140fc72ba30f08a6b41881e18e0b277444a9c47f
MD5 hash: 3743333098a78b6bcd789896e5300090
humanhash: vermont-tango-ten-washington
File name:file
Download: download sample
Signature njrat
Create hunting rule
File size:34'816 bytes
First seen:2025-10-14 04:02:33 UTC
Last seen:2025-10-14 04:09:43 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'657 x AgentTesla, 19'467 x Formbook, 12'206 x SnakeKeylogger)
ssdeep 384:IqVnLZKEcX0/A+Xb7I7o7B7hz7TW7274VH8HX9767j73i2V+DW7R7VYkTUWVHYCh:zVnLZKf0/AS6BpVQKzbVrf7w71S
TLSH T133F2F70537AA4703C66D03B94926471647F1CE83453BFB6F4CD9F4ED197B7808A82AAB
TrID 51.8% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
22.1% (.EXE) Win32 Executable MS Visual C++ (generic) (31206/45/13)
7.4% (.EXE) Win64 Executable (generic) (10522/11/4)
4.6% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
3.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
Magika pebin
Reporter Bitsight
Tags:dropped-by-amadey exe NjRAT


Avatar
Bitsight
url: http://178.16.55.189/files/1663837285/JRYHHnS.exe

Intelligence

File Origin
# of uploads :
4
# of downloads :
176
Origin country :
US US
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
_66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f.exe
Verdict:
Malicious activity
Analysis date:
2025-10-14 04:06:28 UTC
Tags:
rat njrat bladabindi auto-startup
Link:
https://app.any.run/tasks/64339980-aad8-443f-8fff-c6da2e052dc2

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/32606/
Detection(s):
Win.Dropper.Nanocore-10030076-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=68edcb7304e22ce9acd9bd6b
Tags:
autorun njrat
Result
Verdict:
Malware
Maliciousness:
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd fingerprint lolbin netsh njrat obfuscated obfuscated rat vbnet windows
Link:
https://www.filescan.io/uploads/68edcc074f3013c55e4cd3bf/reports/c07a6823-8b69-4ac8-92cb-c415f9aaf0ef/overview
Verdict:
Malicious
Labled as:
Dacic.1408.Generic
Link:
https://www.hybrid-analysis.com/sample/66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f
Verdict:
Malicious
File Type:
exe x32
First seen:
2025-10-13T23:46:00Z UTC
Last seen:
2025-10-14T10:23:00Z UTC
Hits:
~100
Detections:
HEUR:Trojan.Win32.Generic HEUR:Backdoor.MSIL.Bladabindi.gen Backdoor.MSIL.Bladabindi.sb Backdoor.Androm.UDP.ServerRequest Backdoor.Agent.TCP.C&C Backdoor.SpyGate.TCP.C&C Backdoor.Bladabindi.TCP.C&C Backdoor.Agent.HTTP.C&C Trojan.Win32.Gorgon.sb Trojan.MSIL.DOTHETUK.sb
Link:
https://opentip.kaspersky.com/66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f/results?tab=lookup
Verdict:
Unknown
Link:
https://analyze.intezer.com/analyses/4a23e4cf-03b5-445e-af16-e6da393a7cd1
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f
Verdict:
inconclusive
YARA:
13 match(es)
Tags:
.Net Executable Managed .NET PE (Portable Executable) PE File Layout SOS: 0.27 Win 32 Exe x86
Link:
https://app.malva.re/file/3743333098a78b6bcd789896e5300090
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f/
Verdict:
Malicious
Threat:
Family.NJRAT
Link:
https://tip.neiki.dev/file/66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-10-14 04:05:47 UTC
File Type:
PE (.Net Exe)
Extracted files:
5
AV detection:
20 of 24 (83.33%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=myqfu6iljkyhqcnq5v4rxstlj2lf22fgxd7fxquteesw4rueuvxq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
defense_evasion discovery persistence privilege_escalation
Link:
https://tria.ge/reports/251014-encpsaek2s/
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
Verdict:
Unknown
Tags:
rat njrat
YARA:
JPCERTCC_Njrat MAL_Njrat Windows_Trojan_Njrat_30f3c220 malware_Njrat_strings
Link:
https://app.threat.zone/submission/73b4d918-e20f-4c3d-aa31-adc9ba295f7b
Unpacked files
SH256 hash:
66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f
MD5 hash:
3743333098a78b6bcd789896e5300090
SHA1 hash:
140fc72ba30f08a6b41881e18e0b277444a9c47f
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
NjRat
Create hunting rule
Link:
https://www.unpac.me/results/c13c51fb-cbe6-4e97-b1a1-29a455f87721/
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/66205a790b4a/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/66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f

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:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:Sus_CMD_Powershell_Usage
Create hunting rule
Author:XiAnzheng
Description:May Contain(Obfuscated or no) Powershell or CMD Command that can be abused by threat actor(can create FP)
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat

File information

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

Web download

njrat

Executable exe 66205a790b4ab07809b0ed791bca6b4e965d68a6b8fe5bc29321256e4684a56f

(this sample)

  
Dropped by
Amadey
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/32606/
  
URLhaus
https://urlhaus.abuse.ch/url/3677337/

Comments