MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 96e438e2623b95267817cfa70cb9ebe627c4a051662b5af7162bc671ae32b8cf. 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 1 YARA 9 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 96e438e2623b95267817cfa70cb9ebe627c4a051662b5af7162bc671ae32b8cf
SHA3-384 hash: e7764a97dcc8f3575d7cfef61adf3971e783fd8f832a137c28c8b6d9712739ff4e07b3460ffdf2f619ec31f0bbcc7208
SHA1 hash: 7729415361e73ac4730f2c53e33d65ad892efde7
MD5 hash: b7272ab1d83a3cae498e513e0cff087f
humanhash: fanta-salami-west-idaho
File name:B7272AB1D83A3CAE498E513E0CFF087F.exe
Download: download sample
Signature njrat
Create hunting rule
File size:57'344 bytes
First seen:2021-05-23 11:25:49 UTC
Last seen:2021-05-23 12:01:29 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:fcOKZ8oCUhhVNLK+uUVlJvvvvvvvvvvvvvvvvvvvvvvvvvvvdWX96zTPHOJDR:fcOw87UtVlH/vPsDR
Threatray 85 similar samples on MalwareBazaar
TLSH 2543BE8314BEC5FEFEE94B391667AA42123596414C1EC94E7ECD06CAE8C639C71612F3
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
141.255.147.251:1605

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
141.255.147.251:1605 https://threatfox.abuse.ch/ioc/57622/

Intelligence

File Origin
# of uploads :
2
# of downloads :
291
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
HTA Exploit Builder.exe
Verdict:
Malicious activity
Analysis date:
2021-05-16 19:03:32 UTC
Tags:
trojan rat njrat bladabindi
Link:
https://app.any.run/tasks/b6f9f080-72ec-449d-b57f-a79737f7a2f0

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.njRAT-9815539-1
Create hunting rule

Win.Packed.Razy-9863149-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% subdirectories
Creating a file
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Setting a single autorun event
Unauthorized injection to a recently created process
Unauthorized injection to a recently created process by context flags manipulation
Launching the process to change the firewall settings
Result
Verdict:
MALICIOUS
Details
Windows PE Executable
Found a Windows Portable Executable (PE) binary. Depending on context, the presence of a binary is suspicious or malicious.
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/789542
Signature
.NET source code contains potential unpacker
.NET source code contains very large array initializations
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Found malware configuration
Injects a PE file into a foreign processes
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 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: 421938 Sample: 7zc9xBRWkE.exe Startdate: 23/05/2021 Architecture: WINDOWS Score: 100 47 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->47 49 Found malware configuration 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 11 other signatures 2->53 10 7zc9xBRWkE.exe 1 4 2->10         started        14 yNDFQpcPWY.exe 1 2->14         started        16 yNDFQpcPWY.exe 2->16         started        process3 file4 37 C:\Users\user\AppData\...\yNDFQpcPWY.exe, PE32 10->37 dropped 39 C:\Users\...\yNDFQpcPWY.exe:Zone.Identifier, ASCII 10->39 dropped 41 C:\Users\user\AppData\...\7zc9xBRWkE.exe.log, ASCII 10->41 dropped 63 Injects a PE file into a foreign processes 10->63 18 7zc9xBRWkE.exe 1 2 10->18         started        65 Antivirus detection for dropped file 14->65 67 Multi AV Scanner detection for dropped file 14->67 69 Machine Learning detection for dropped file 14->69 21 yNDFQpcPWY.exe 16->21         started        signatures5 process6 file7 35 C:\Users\user\AppData\...\WindowsServices.exe, PE32 18->35 dropped 23 WindowsServices.exe 1 18->23         started        process8 signatures9 55 Antivirus detection for dropped file 23->55 57 Multi AV Scanner detection for dropped file 23->57 59 Machine Learning detection for dropped file 23->59 61 3 other signatures 23->61 26 WindowsServices.exe 2 2 23->26         started        29 WindowsServices.exe 23->29         started        process10 dnsIp11 43 ratnk.duckdns.org 141.255.147.251, 1605, 49765, 49769 IELOIELOMainNetworkFR France 26->43 45 192.168.2.1 unknown unknown 26->45 31 netsh.exe 1 3 26->31         started        process12 process13 33 conhost.exe 31->33         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/96e438e2623b95267817cfa70cb9ebe627c4a051662b5af7162bc671ae32b8cf/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2021-05-18 15:46:42 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
32 of 47 (68.09%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=s3sdrytchoksm6axz6tqzopl4yt4jicrmyvvv5ywfpdhdlrsxdhq._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3
njrat
285b6700d98397dafa08816710eec9724407d49e270245e9a994c5ee8f9a40b4
njrat
309def552c446ea54ce932da7546242ccf13b5878c44a9b7f7b23237ff5d1edb
njrat
5df5e059d40b2d8595fb044fd6aea3b2db68ba40927ec23cccd1fea3fca6fac7
njrat
884ef8d4d49a6c98b25f93302c1f5d56ba1bfcf73364ee0e641d94c5b300deef
njrat
88d74958dd9791ae6b5955f1b3499d32beefb8aeaeaeefb6ace022e590af23b2
njrat
a093a3931dd685788b4c5fb25ab7e0f44956c02524d0766c1277c04d97aa2899
njrat
b19df7069dc2884dc94026608f9fd4bd3f0f2543802c41dc19b78474c866d2e6
njrat
cd6e990e83a947ee95fc38e33ef891fcd2adca0c669eba160cca49895471663a
njrat
d6969e5a50e04cb9bc0a97c3e6dd22d48580bb22f9408d3fc905882d45fcd01b
njrat
+ 75 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/210523-6amxgmhbqn/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Adds Run key to start application
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
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/96e438e2623b95267817cfa70cb9ebe627c4a051662b5af7162bc671ae32b8cf

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:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_Winnti_Sample_May18_1
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
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:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
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

File information

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

Comments