MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 2a6e278d7e7f4035f7eda4aab88edd45e8b929e44bf96a2b4a351bc9f8dad17f. 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: 8


Intelligence 8 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 2a6e278d7e7f4035f7eda4aab88edd45e8b929e44bf96a2b4a351bc9f8dad17f
SHA3-384 hash: 09564ef330bdbc71d5f90afc8ddad67b029a0bf3c868b1fe0928f8e31a7c04c5de531b8b18d13c923dd71eb7d279969a
SHA1 hash: 3891bc1a3ab2983ea6aaca85fbf62939332a2b1e
MD5 hash: 09a8175625db9303a7b5d91c1cde001b
humanhash: nevada-robert-kansas-carolina
File name:VJLMLS2H.exe
Download: download sample
Signature njrat
Create hunting rule
File size:37'888 bytes
First seen:2020-09-13 18:17:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'642 x Formbook, 12'245 x SnakeKeylogger)
ssdeep 384:NCgIiu/jtD+P3V+y0bFwRktv7ms2cPPrAF+rMRTyN/0L+EcoinblneHQM3epzXUU:cBmV10bFwRktalc3rM+rMRa8Nu5nt
Threatray 45 similar samples on MalwareBazaar
TLSH 56032A4D7FE18168D5FD067B05B2D41207BAE04B6E23DA1E8EE164AA37636C1CB50AF1
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
161
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/58884/
Detection(s):
Win.Trojan.B-468
Create hunting rule

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

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Dropper.njRAT-7436651-0
Create hunting rule

Win.Packed.Generic-7672854-0
Create hunting rule

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

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

Win.Packed.Bladabindi-7994427-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/464895
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Bypasses PowerShell execution policy
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to log keystrokes (.Net Source)
Creates autorun.inf (USB autostart)
Creates autostart registry keys with suspicious names
Detected njRat
Detected unpacking (overwrites its own PE header)
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)
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Powershell drops PE file
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Suspicious powershell command line found
Uses dynamic DNS services
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: 284857 Sample: VJLMLS2H.exe Startdate: 13/09/2020 Architecture: WINDOWS Score: 100 65 notlamar.ddns.net 2->65 77 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->77 79 Malicious sample detected (through community Yara rule) 2->79 81 Antivirus detection for dropped file 2->81 83 16 other signatures 2->83 9 VJLMLS2H.exe 4 12 2->9         started        14 Crypted.exe 2->14         started        16 svchost.exe 2->16         started        18 12 other processes 2->18 signatures3 process4 dnsIp5 67 notlamar.ddns.net 94.59.189.6, 1188, 49713, 49714 EMIRATES-INTERNETEmiratesInternetAE United Arab Emirates 9->67 55 C:\svchost.exe, PE32 9->55 dropped 57 C:\...\8d53405f54bf816f664d80fb97324789.exe, PE32 9->57 dropped 59 C:\svchost.exe:Zone.Identifier, ASCII 9->59 dropped 63 2 other malicious files 9->63 dropped 87 Protects its processes via BreakOnTermination flag 9->87 89 Creates autorun.inf (USB autostart) 9->89 91 Creates autostart registry keys with suspicious names 9->91 97 2 other signatures 9->97 20 Crypted.exe 4 9->20         started        23 netsh.exe 3 9->23         started        93 Suspicious powershell command line found 14->93 25 powershell.exe 14->25         started        28 powershell.exe 14->28         started        95 Changes security center settings (notifications, updates, antivirus, firewall) 16->95 30 MpCmdRun.exe 16->30         started        69 127.0.0.1 unknown unknown 18->69 61 C:\Users\user\AppData\...\VJLMLS2H.exe.log, ASCII 18->61 dropped 32 powershell.exe 18->32         started        file6 signatures7 process8 file9 85 Suspicious powershell command line found 20->85 34 powershell.exe 20->34         started        37 powershell.exe 20->37         started        39 conhost.exe 23->39         started        53 C:\Users\user\AppData\Roaming\...\svchost.exe, PE32 25->53 dropped 41 conhost.exe 25->41         started        43 conhost.exe 28->43         started        45 conhost.exe 30->45         started        47 conhost.exe 32->47         started        signatures10 process11 signatures12 71 Drops PE files to the startup folder 34->71 73 Drops PE files with benign system names 34->73 75 Powershell drops PE file 34->75 49 conhost.exe 34->49         started        51 conhost.exe 37->51         started        process13
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/2a6e278d7e7f4035f7eda4aab88edd45e8b929e44bf96a2b4a351bc9f8dad17f/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-13 18:19:04 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=fjxcpdl6p5adl57nusvlrdw5ixulskpejp4wuk2kgun4t6g22f7q._file
Verdict:
malicious
Similar samples:
25f59abfbdb775126b69112b260fae983e35bd6da0e6e13ad8fc7343da8540ec
njrat
5947d6a7fc4014628b957c4ed8ffff7c961f37f155cb814224a89e1f3700f060
njrat
62a5cd1fc65cdb2b773565e9861a48f139ee961156b38e26016c28a23fc896cc
njrat
abafeafa173768d556241bb6797fc4555b2358ce8d0dfdd81bab9f5f152c077f
njrat
b3a40e1d85f1e1608acf07414a8dea2730c0de0d824bc6165856b8fe00e8ed3d
njrat
ba38f08588d75d7ffd054253f4afd1d9803c2c0f5f390f35214c0b552840793d
njrat
dfa0c14670f8df1eac3e005262e901622c0ec1ccdcc91fd8aedb93da5a32ad64
njrat
e7e5f0ac865dd8cec6539a3defbd09f15df7822b647fcd2e2f53555be98ad8e2
njrat
ed34d4eba0bc7d434f32bb9bca0147632592656ddf0c2aa892fbee54b0850ff1
njrat
f0caf48005d504dfb402e3ef4b137187e9ffa0d903099222560d7f4a8885358d
njrat
+ 35 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/200913-g2qa7kwxzx/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops autorun.inf file
Modifies service
Drops autorun.inf file
Adds Run key to start application
Adds Run key to start application
Drops startup file
Drops startup file
Modifies Windows Firewall
Modifies Windows Firewall
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/2a6e278d7e7f4035f7eda4aab88edd45e8b929e44bf96a2b4a351bc9f8dad17f

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:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter
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 2a6e278d7e7f4035f7eda4aab88edd45e8b929e44bf96a2b4a351bc9f8dad17f

(this sample)

  
Link
https://www.virustotal.com/gui/file/2a6e278d7e7f4035f7eda4aab88edd45e8b929e44bf96a2b4a351bc9f8dad17f/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/58884/

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