MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56385a71c5adb74bf604183827abc5769a169ccc70f0631c4fbee0ed4d71155f. 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: 6


Intelligence 6 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 56385a71c5adb74bf604183827abc5769a169ccc70f0631c4fbee0ed4d71155f
SHA3-384 hash: 0ce9546329129ccb6c252bcc8e8d15f86cf017129107a42d7068fa3d048a6851148f5ecdca2ac0e581f68755d648cd95
SHA1 hash: 9f860f5e13d0bd0745b6af2e79d8f99fdc109499
MD5 hash: 8e7d0f016a99751a9e1338444d850395
humanhash: speaker-victor-cat-mike
File name:Q9N4U6jX.exe
Download: download sample
Signature njrat
Create hunting rule
File size:44'032 bytes
First seen:2020-10-28 10:32:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger)
ssdeep 384:tZyjg98NaIyrAsF3ZBlrMXic7mG9D9O5UE5QzwBlpJNakkjh/TzF7pWnvgreT0pa:HHywFrzF3ZnQWvQO+u+L
TLSH BB13D78CB794E174D5FF8BF1A492B2890B71A01B9902D30F99F154D94FB3AC09A11EE7
Reporter pmelson
Tags:exe NjRAT Njratgold

Intelligence

File Origin
# of uploads :
1
# of downloads :
128
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/80462/
Detection(s):
Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Packed.Generic-7672855-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Msilperseus-9220094-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file
Creating a process from a recently created file
Creating a file in the %temp% directory
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/514939
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected njRat
Drops PE files to the startup folder
Drops PE files with benign system names
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 306578 Sample: Q9N4U6jX.exe Startdate: 28/10/2020 Architecture: WINDOWS Score: 100 35 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->35 37 Malicious sample detected (through community Yara rule) 2->37 39 Antivirus detection for dropped file 2->39 41 11 other signatures 2->41 8 Q9N4U6jX.exe 1 5 2->8         started        12 Server.exe 3 2->12         started        14 svchost.exe 3 2->14         started        16 10 other processes 2->16 process3 file4 31 C:\ProgramData\svchost.exe, PE32 8->31 dropped 51 Drops PE files with benign system names 8->51 18 svchost.exe 3 6 8->18         started        53 Antivirus detection for dropped file 12->53 55 Multi AV Scanner detection for dropped file 12->55 57 Machine Learning detection for dropped file 12->57 signatures5 process6 dnsIp7 33 fec6cd4b7865.duckdns.org 141.255.156.254, 49748, 7894 IELOIELOMainNetworkFR France 18->33 27 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 18->27 dropped 29 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 18->29 dropped 43 Antivirus detection for dropped file 18->43 45 System process connects to network (likely due to code injection or exploit) 18->45 47 Multi AV Scanner detection for dropped file 18->47 49 4 other signatures 18->49 23 schtasks.exe 1 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/56385a71c5adb74bf604183827abc5769a169ccc70f0631c4fbee0ed4d71155f/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-10-28 10:34:04 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=ky4fu4ofvw3ux5qeda4cpk6fo2nbnhgmodygghcpx3qo2tlrcvpq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Link:
https://tria.ge/reports/201028-nghx19rbs2/
Behaviour
Creates scheduled task(s)
Runs ping.exe
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del

File information

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

Web download

njrat

Executable exe 56385a71c5adb74bf604183827abc5769a169ccc70f0631c4fbee0ed4d71155f

(this sample)

  
Link
https://www.virustotal.com/gui/file/56385a71c5adb74bf604183827abc5769a169ccc70f0631c4fbee0ed4d71155f/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/80462/

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