MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29. 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: 11


Intelligence 11 IOCs YARA 3 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29
SHA3-384 hash: 866151c184d9a24186100c8cab12b2b6e2fc413c33582bcf924a4cf653cde3d418f5203113837be7622330d1ed4559c1
SHA1 hash: 3cab6fe16391817cb1e8f555ecc9ad1c3323a9cb
MD5 hash: ae5173819365dc3e57b4aa75266d824b
humanhash: three-xray-texas-charlie
File name:NJEua27d.exe
Download: download sample
Signature njrat
Create hunting rule
File size:23'040 bytes
First seen:2020-09-24 10:47:21 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 384:1j8aSyS9gB3Y1KIay2X8cLZI6XgxsGJVPpmRvR6JZlbw8hqIusZzZGna:1o589tXvRpcnuE
Threatray 360 similar samples on MalwareBazaar
TLSH 32A21B4E3FB88955C5BC177489A596100371E1470423EF2A8CC564DBAFB3BDA2D4CAF9
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
144
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/65315/
Detection(s):
Win.Trojan.B-468
Create hunting rule

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.Packed.Bladabindi-6804148-0
Create hunting rule

Win.Packed.Bladabindi-6917466-0
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

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
Connection attempt
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
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.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/474175
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)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
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 dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 289533 Sample: NJEua27d.exe Startdate: 24/09/2020 Architecture: WINDOWS Score: 100 34 Malicious sample detected (through community Yara rule) 2->34 36 Antivirus detection for dropped file 2->36 38 Antivirus / Scanner detection for submitted sample 2->38 40 12 other signatures 2->40 8 NJEua27d.exe 1 5 2->8         started        11 windows.exe 3 2->11         started        13 windows.exe 2 2->13         started        15 windows.exe 2 2->15         started        process3 file4 28 C:\Users\user\AppData\Local\...\windows.exe, PE32 8->28 dropped 30 C:\Users\user\AppData\...30JEua27d.exe.log, ASCII 8->30 dropped 17 windows.exe 4 5 8->17         started        process5 dnsIp6 32 pulgetirmene.duckdns.org 188.253.231.47, 1604 BAKINTER-ASBakinternetISPAzerbaijanAZ Azerbaijan 17->32 26 C:\...\9139dca29368d89beb1a6050ed6683eb.exe, PE32 17->26 dropped 42 Antivirus detection for dropped file 17->42 44 Multi AV Scanner detection for dropped file 17->44 46 Machine Learning detection for dropped file 17->46 48 2 other signatures 17->48 22 netsh.exe 3 17->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-24 10:49:03 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=4has5agu72iox4sggvw6sm3luzgoijr6v4sslqtuclktjofitmuq._file
Verdict:
malicious
Similar samples:
1e77593073ce7c57226c55e20d5ca2e09c84c86a083a9d56b3dd1bb732305683
njrat
25cfc68958a0cb5232d1e4bb1cddbf70b9494d3ef240337e2cedb9226c786b1c
njrat
4f7ee2b1be709d2dfcfb894323ac4b6a3f3b0482c646d49b051769a6e3785239
njrat
703dca09e84a98247353b177d81f8b9db8b995a53230e1d78f86418c90d2ed58
njrat
7a8ef2bd1c4b9d15c7f174544a01feb7709164a23e748f9a0f769774243648e7
njrat
957fb8a83836c7891ef2a513d354439776e51c027b908193c9c7df269e42a7a9
njrat
bbbd41df9ee8363af5927a1b8f8b6d373edc69b34069c3a1ff0e5696138a290d
njrat
bc341eccbdfecf1616134d92035e90b0622ec6731e5c5f74418f00ce3033a689
njrat
c96d7a2be148621094eb933be12d8c2bda0ae6f8f7c51dcbeca6ccd2b78ad4c7
njrat
f4ae0a96fe157d059c62d52e5934283f6055e822451db81a0bb9f646e98dc310
njrat
+ 350 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/200924-px83qsf6f2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29
MD5 hash:
ae5173819365dc3e57b4aa75266d824b
SHA1 hash:
3cab6fe16391817cb1e8f555ecc9ad1c3323a9cb
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/470809b2-feb9-448d-b74a-fc78db31142b/
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/e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29

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: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 e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29

(this sample)

  
Link
https://www.virustotal.com/gui/file/e1c12e80d4fe90ebf246356de9336ba64ce4263eaf2525c27412d534b8a89b29/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/65315/

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