MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d162aea95889e147b96c2ab4da7cf27ec2538abd149a08f96d993fb7a41b002f. 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: 12


Intelligence 12 IOCs YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d162aea95889e147b96c2ab4da7cf27ec2538abd149a08f96d993fb7a41b002f
SHA3-384 hash: eafb61a5514201f9613ad53baa676bf5a7fd940e32d90bab50aa34b399e88adb58f7e256b1fa0aab679c47879c9ab1c3
SHA1 hash: 0d42d579cb851469260c0ede693efcf7e73ab252
MD5 hash: 412db95b629bef9d45bbd3c62e37919d
humanhash: seventeen-idaho-tango-vermont
File name:d162aea95889e147b96c2ab4da7cf27ec2538abd149a08f96d993fb7a41b002f
Download: download sample
Signature njrat
Create hunting rule
File size:1'180'672 bytes
First seen:2021-08-31 06:46:44 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 24576:fLONOUcfG+m9+WL2d2oUZn/BWQKelEFw5cMqlCcUkpH7ePJ:fL0x9+hcn/BceKFw5cb9F7eR
Threatray 1'543 similar samples on MalwareBazaar
TLSH T1D74533A23F6D4181D6474D3AC4F4C46621A73AA301D287E2BA993790CA093FF5B7F6D1
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
486
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d162aea95889e147b96c2ab4da7cf27ec2538abd149a08f96d993fb7a41b002f
Verdict:
Malicious activity
Analysis date:
2021-08-31 07:30:40 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/cf89472b-d84e-44d1-84cf-547d745d2b11

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/183998/
Detection(s):
Win.Packed.Barys-9875294-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Enabling the 'hidden' option for files in the %temp% directory
Creating a process from a recently created file
Running batch commands
Creating a file
Connection attempt
Creating a process with a hidden window
Creating a window
DNS request
Sending a UDP request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Enabling autorun by creating a file
Malware family:
RedLine stealer
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/942d87b9-c909-42e5-a40a-c55687f7a4ef
Result
Threat name:
Njrat RedLine
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842461
Signature
.NET source code contains very large array initializations
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Drops PE files to the startup folder
Drops PE files with benign system names
Hides that the sample has been downloaded from the Internet (zone.identifier)
Hides threads from debuggers
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
PE file has nameless sections
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Tries to evade analysis by execution special instruction which cause usermode exception
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Yara detected RedLine Stealer
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 474897 Sample: KNnYtfFKhu Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 53 dcrats1239.duckdns.org 2->53 71 Malicious sample detected (through community Yara rule) 2->71 73 Antivirus detection for dropped file 2->73 75 Antivirus / Scanner detection for submitted sample 2->75 77 11 other signatures 2->77 10 KNnYtfFKhu.exe 7 2->10         started        14 svchost.exe 3 2->14         started        16 svchost.exe 2->16         started        18 6 other processes 2->18 signatures3 process4 dnsIp5 45 C:\Users\user\AppData\...\@fff8f8f6d.exe, PE32 10->45 dropped 47 C:\Users\user\AppData\...\9012_protected.exe, PE32 10->47 dropped 49 C:\Users\user\AppData\...\KNnYtfFKhu.exe.log, ASCII 10->49 dropped 87 Hides that the sample has been downloaded from the Internet (zone.identifier) 10->87 21 9012_protected.exe 3 5 10->21         started        25 @fff8f8f6d.exe 15 3 10->25         started        28 cmd.exe 1 10->28         started        89 Hides threads from debuggers 14->89 91 Changes security center settings (notifications, updates, antivirus, firewall) 16->91 55 127.0.0.1 unknown unknown 18->55 file6 signatures7 process8 dnsIp9 43 C:\Users\user\AppData\Local\...\svchost.exe, PE32 21->43 dropped 79 Antivirus detection for dropped file 21->79 81 Multi AV Scanner detection for dropped file 21->81 83 Detected unpacking (changes PE section rights) 21->83 85 4 other signatures 21->85 30 svchost.exe 4 5 21->30         started        57 77.220.212.176, 35752 ON-LINE-DATAServerlocation-NetherlandsDrontenNL Ukraine 25->57 35 conhost.exe 25->35         started        37 conhost.exe 28->37         started        file10 signatures11 process12 dnsIp13 59 dcrats1239.duckdns.org 82.202.167.212, 49723, 49724, 49725 THEFIRST-ASRU Russian Federation 30->59 61 192.168.2.1 unknown unknown 30->61 51 C:\...\2b4e092e4a6622ccc2b39afba5010a02.exe, PE32 30->51 dropped 63 Antivirus detection for dropped file 30->63 65 System process connects to network (likely due to code injection or exploit) 30->65 67 Multi AV Scanner detection for dropped file 30->67 69 8 other signatures 30->69 39 netsh.exe 1 3 30->39         started        file14 signatures15 process16 process17 41 conhost.exe 39->41         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d162aea95889e147b96c2ab4da7cf27ec2538abd149a08f96d993fb7a41b002f/
Threat name:
ByteCode-MSIL.Trojan.AgentTesla
Create hunting rule
Status:
Malicious
First seen:
2021-08-28 22:07:00 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
31 of 46 (67.39%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2frk5kkyrhqupolmfk2nu7hsp3bfhcv5csnar6lnte73pja3aaxq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
0f1962c4d1f9a9fe7b7d5d22f79ab02c7aa9f990a305860082134d47e3cd2a09
njrat
32cf0e4532d6617a76a22f45edfe5d10ecbaf10040cedffdb2cea5126b6ff053
njrat
4ac6e78bf14a825b213dffb029102a9c57bfd7d6f203bbd3259286ce49ed8add
njrat
80752bd3e74c165e9c88fee2b806b67641f6cdae222d4ef9f5bc433f8501e767
njrat
9af2474823d8274925ccbc39726f4766c675c3e996dedfbbb6a4b07d86af6fe7
njrat
9dc934f7f22e493a1c1d97107edc85ccce4e1be155b2cc038be8d9a57b2e430f
njrat
a8c01f337163dc0e0bccb3a85bd0bdca149a199e2d879771e05037ed00c8e967
njrat
aa504b0c2fe4bdcdca89d5c367887fa653665b2228add241ce0c86f950b56ad8
njrat
b25de8622f43e2beb203e0e394906bd6832f95277f53c4dbd59d4afbcef7b361
njrat
d269615dd97e39c3625988646ad11311cde5a6e4074a43181bd68229646ac0f1
njrat
+ 1'533 additional samples on MalwareBazaar
Result
Malware family:
redline
Create hunting rule
Score:
  10/10
Tags:
family:redline botnet:@fff8f8f6d evasion infostealer persistence
Link:
https://tria.ge/reports/210831-nqmk3dss1x/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
RedLine
RedLine Payload
Malware Config
C2 Extraction:
77.220.212.176:35752
Unpacked files
SH256 hash:
d162aea95889e147b96c2ab4da7cf27ec2538abd149a08f96d993fb7a41b002f
MD5 hash:
412db95b629bef9d45bbd3c62e37919d
SHA1 hash:
0d42d579cb851469260c0ede693efcf7e73ab252
Link:
https://www.unpac.me/results/01f446d8-4b93-42cf-a2ea-0ee3c7e3f2dc/
Malware family:
RedLine
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/d162aea95889/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.85
Link:
https://yomi.yoroi.company/submissions/d162aea95889e147b96c2ab4da7cf27ec2538abd149a08f96d993fb7a41b002f

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.

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/183998/

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