MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 828ed2a9805c6b100ffc5317bb3b3de97e49fd20589ab0335da29d042d705b08. 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: 10


Intelligence 10 IOCs YARA 2 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 828ed2a9805c6b100ffc5317bb3b3de97e49fd20589ab0335da29d042d705b08
SHA3-384 hash: c1e835408be4619295c54ea3f7be1b5c3ce06bc95e122ee53b0e127c7cb37f5d6c6a087666425572e25fe9f1ff9d3b09
SHA1 hash: 0e2f70783a7e9007fef3617805cba7b5e08e0e91
MD5 hash: d26757266e2322c9b136892d3b9097a1
humanhash: spaghetti-twenty-papa-item
File name:g686en64.exe
Download: download sample
Signature njrat
Create hunting rule
File size:208'896 bytes
First seen:2020-09-30 02:17:22 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:nHPNBUNjI/AhouDbEEIGfRX+fsIuCk/561pSjfXwXF32684vBaqXL6eK/Ar:nvNq1hnDwEIul+f5a5fX4tXXL6eK4r
Threatray 84 similar samples on MalwareBazaar
TLSH CD14904C6140980AFFACC97068B1CF63AB343C26A9C3937BA9D5BBDFB9721347801655
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
201
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/66992/
Detection(s):
Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
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.njRAT-7672853-1
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
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 window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/477995
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
Contains functionality to log keystrokes (.Net Source)
Detected njRat
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
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/828ed2a9805c6b100ffc5317bb3b3de97e49fd20589ab0335da29d042d705b08/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-30 02:19:05 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=qkhnfkmalrvrad74kml3woz55f7et7jalcnlam25ukoqillqlmea._file
Verdict:
malicious
Similar samples:
01358d994a9b8492098755032c39464908e6559899314a3bbee6bf1aa530c9ce
njrat
0ab3b273902918a617fca743185cdcae29f33be32324e761033038ce9d9ead60
njrat
285dcd9b0932523c95f28a8373a0018d44c9a9401d3ab410132a13642d8c59ef
njrat
4bc86416896092dc2a2ba5fce94147525f54cb8752b52c8f9592fc097cd5516b
njrat
87902fd490b189d4ceb81a430fd47d852bf503f373c6ff3caa70a80a9c7d56c6
njrat
b2f041348835c102db3769245ee4c28dd00cb19c3c6710fc9c11228f3bbce61b
njrat
bc4660dc237469fbc12b99b5d83f007b4ea49932046adecc5cbb64a4dc2f10ec
njrat
c109366180776e966bf583094eb32b88fc86af5eb1400ccce77fea1518f1d164
njrat
e81b5aa4d6cc953a6fa155425f59e90a690dda923fa9d39c4d7570a1e89949dd
njrat
fd8255a1dca219da4d66c0bb5b70fb732501807de13a1e2f07f4baee039a391e
njrat
+ 74 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
evasion persistence trojan family:njrat
Link:
https://tria.ge/reports/200930-668s7sc5ve/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
828ed2a9805c6b100ffc5317bb3b3de97e49fd20589ab0335da29d042d705b08
MD5 hash:
d26757266e2322c9b136892d3b9097a1
SHA1 hash:
0e2f70783a7e9007fef3617805cba7b5e08e0e91
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/e1876c46-6d6e-4be9-89ea-a05ec7a7c964/
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/828ed2a9805c6b100ffc5317bb3b3de97e49fd20589ab0335da29d042d705b08

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:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
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 828ed2a9805c6b100ffc5317bb3b3de97e49fd20589ab0335da29d042d705b08

(this sample)

  
Link
https://www.virustotal.com/gui/file/828ed2a9805c6b100ffc5317bb3b3de97e49fd20589ab0335da29d042d705b08/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/66992/

Comments