MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 8f9a0a3430662a0c54deb0394287b0555c6963edcb9b0c8cb0f87962f17d0e87. 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: 19


Intelligence 19 IOCs YARA 19 File information Comments
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SHA256 hash: 8f9a0a3430662a0c54deb0394287b0555c6963edcb9b0c8cb0f87962f17d0e87
SHA3-384 hash: 568a88201cf14b2add75aaa3abc3b394c2b12f7eb683ea995a2e1e72d364f7a0d050e76fc1635d1e77293ceb410432a4
SHA1 hash: dbe71307fcf6e0f3f653e96665fcfba8f41fcc9e
MD5 hash: 349fc92196a78de83aa3fb942c21f947
humanhash: hawaii-cat-johnny-green
File name:8f9a0a3430662a0c54deb0394287b0555c6963edcb9b0c8cb0f87962f17d0e87.exe
Download: download sample
Signature njrat
Create hunting rule
File size:95'232 bytes
First seen:2024-01-23 21:35:33 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'611 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:6xvSyh6zaoFjuFCVR5jEwzGi1dDODKgS:6xMzaujuCRWi1doP
TLSH T1F593D84977E52524E1BF56F79871B2004E34B4871602E3DD98F219EA1B33AC44F89FEA
TrID 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
10.8% (.SCR) Windows screen saver (13097/50/3)
8.7% (.EXE) Win64 Executable (generic) (10523/12/4)
5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
Reporter adm1n_usa32
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
383
Origin country :
RO RO
Vendor Threat Intelligence
Malware family:
njrat
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ID:
1
File name:
8f9a0a3430662a0c54deb0394287b0555c6963edcb9b0c8cb0f87962f17d0e87.exe
Verdict:
Malicious activity
Analysis date:
2024-01-23 21:41:37 UTC
Tags:
njrat
Link:
https://app.any.run/tasks/90ea49a5-3590-483e-a0fc-6949744db046

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/472581/
Detection(s):
Win.Packed.Generic-9795615-0
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Win.Dropper.njRAT-10015886-0
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Win.Trojan.Generic-6417450-0
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Win.Trojan.B-468
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Win.Trojan.Ratenjay-1
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd evasive explorer fingerprint fingerprint keylogger lolbin msconfig netsh njrat rat rundll32 schtasks stealer update winnti
Link:
https://www.filescan.io/uploads/65b03145f3cf17c17b7710da/reports/785abf90-fbe6-4fd0-9330-34b85848139e/overview
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
Link:
https://www.hybrid-analysis.com/sample/8f9a0a3430662a0c54deb0394287b0555c6963edcb9b0c8cb0f87962f17d0e87
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Malware family:
njRAT
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Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/37e43655-a06f-4e19-af29-3a19647bfd97
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.phis.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1379891
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Disables the Windows task manager (taskmgr)
Disables zone checking for all users
Drops PE files to the document folder of the user
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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: 1379891 Sample: QRIw4Ghq54.exe Startdate: 23/01/2024 Architecture: WINDOWS Score: 100 39 4.tcp.eu.ngrok.io 2->39 45 Found malware configuration 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 Antivirus detection for dropped file 2->49 51 9 other signatures 2->51 9 QRIw4Ghq54.exe 7 2->9         started        12 08e436e4c7bed3dc8d61bf74a52f358bWindows Update.exe 2 2->12         started        14 Explower.exe 3 2->14         started        16 2 other processes 2->16 signatures3 process4 file5 37 C:\Users\user\AppData\Local\Temp\server.exe, PE32 9->37 dropped 18 server.exe 2 16 9->18         started        23 dw20.exe 21 12 12->23         started        process6 dnsIp7 41 4.tcp.eu.ngrok.io 35.158.159.254, 17673, 49700, 49701 AMAZON-02US United States 18->41 43 52.28.112.211, 17673, 49735, 49736 AMAZON-02US United States 18->43 29 C:\Windows\SysWOW64xplower.exe, PE32 18->29 dropped 31 C:\Users\user\Favoritesxplower.exe, PE32 18->31 dropped 33 C:\Users\user\Documentsxplower.exe, PE32 18->33 dropped 35 9 other malicious files 18->35 dropped 53 Antivirus detection for dropped file 18->53 55 Multi AV Scanner detection for dropped file 18->55 57 Drops PE files to the document folder of the user 18->57 59 6 other signatures 18->59 25 netsh.exe 2 18->25         started        file8 signatures9 process10 process11 27 conhost.exe 25->27         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/8f9a0a3430662a0c54deb0394287b0555c6963edcb9b0c8cb0f87962f17d0e87
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/8f9a0a3430662a0c54deb0394287b0555c6963edcb9b0c8cb0f87962f17d0e87/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
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Status:
Malicious
First seen:
2024-01-22 02:47:00 UTC
File Type:
PE (.Net Exe)
AV detection:
23 of 23 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=r6naunbqmyvayvg6wa4ufb5qkvogsy7nzonqzdfq7b4wf4l5b2dq._file
Verdict:
malicious
Label(s):
njrat
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Result
Malware family:
njrat
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Score:
  10/10
Tags:
family:njrat botnet:nine evasion trojan
Link:
https://tria.ge/reports/240123-1fwnksadck/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in System32 directory
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Disables Task Manager via registry modification
Modifies Windows Firewall
njRAT/Bladabindi
Malware Config
C2 Extraction:
hakim32.ddns.net:2000
4.tcp.eu.ngrok.io:17673
Unpacked files
SH256 hash:
8f9a0a3430662a0c54deb0394287b0555c6963edcb9b0c8cb0f87962f17d0e87
MD5 hash:
349fc92196a78de83aa3fb942c21f947
SHA1 hash:
dbe71307fcf6e0f3f653e96665fcfba8f41fcc9e
Detections:
Njrat
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MALWARE_Win_NjRAT
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CN_disclosed_20180208_c
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MAL_Winnti_Sample_May18_1
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Link:
https://www.unpac.me/results/7c00cc47-fc18-47a3-accb-92ffd3e40963/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/8f9a0a343066/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/8f9a0a3430662a0c54deb0394287b0555c6963edcb9b0c8cb0f87962f17d0e87

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
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Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
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Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
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Author:SECUINFRA Falcon Team
Rule name:MAL_Winnti_Sample_May18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Multifamily_RAT_Detection
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Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NETexecutableMicrosoft
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Author:malware-lu
Rule name:Njrat
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Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
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Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
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Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
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Author:SECUINFRA Falcon Team
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:Windows_Trojan_Njrat_eb2698d2
Create hunting rule
Author:Elastic Security
Rule name:win_njrat_strings_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

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/472581/

Comments