MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 46db080a3de7815c953820d44bb47f414c5edfe9ae083c3da0a9c5b3eb936028. 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 4 File information Comments

SHA256 hash: 46db080a3de7815c953820d44bb47f414c5edfe9ae083c3da0a9c5b3eb936028
SHA3-384 hash: 1fd4405c2318e5867c41ad682d0592d66ec9a056680ff01ed2e8a60c8c29d11ba77ef800bb2303804851ebe657849d46
SHA1 hash: a11769859d4a513605095bb635440eae757a5c49
MD5 hash: 79b31319103df01b6569bb4db350fce4
humanhash: neptune-neptune-march-freddie
File name:1yiHAc52.exe
Download: download sample
Signature njrat
File size:33'280 bytes
First seen:2021-03-09 08:17:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'741 x AgentTesla, 19'604 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:it2wd1xfwDxIIi0eI3nDDAhIpg6iwTzwMmGMAol3B4JD7TdHVkw3ccNwifGIyLsl:iIwd1xfwDVDavwTzwMdkw3ccrfLk26r
Threatray 85 similar samples on MalwareBazaar
TLSH AFE20A4D73A48923C7BE57B88E70964207F1814B5512EBAF8EC560D61EA77E41E00EF7
Reporter pmelson
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
186
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1yiHAc52.exe
Verdict:
Malicious activity
Analysis date:
2021-03-09 08:20:42 UTC
Tags:
rat njrat bladabindi trojan

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
DNS request
Connection attempt
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
Enabling a "Do not show hidden files" option
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:
Detection:
malicious
Classification:
spre.troj.adwa.spyw.evad
Score:
100 / 100
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
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Creates autostart registry keys with suspicious names
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:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 365163 Sample: 1yiHAc52.exe Startdate: 09/03/2021 Architecture: WINDOWS Score: 100 32 Malicious sample detected (through community Yara rule) 2->32 34 Antivirus detection for dropped file 2->34 36 Antivirus / Scanner detection for submitted sample 2->36 38 12 other signatures 2->38 8 1yiHAc52.exe 3 4 2->8         started        11 server.exe 2 2->11         started        13 server.exe 2 2->13         started        15 server.exe 2 2->15         started        process3 file4 28 C:\Users\user\AppData\Roaming\server.exe, PE32 8->28 dropped 17 server.exe 4 5 8->17         started        process5 dnsIp6 30 attia.ddns.net 105.103.209.112, 5552 ALGTEL-ASDZ Algeria 17->30 26 C:\...\6748b11e71c40a887da25788a5d62d98.exe, PE32 17->26 dropped 40 Antivirus detection for dropped file 17->40 42 Multi AV Scanner detection for dropped file 17->42 44 Machine Learning detection for dropped file 17->44 46 3 other signatures 17->46 22 netsh.exe 1 3 17->22         started        file7 signatures8 process9 process10 24 conhost.exe 22->24         started       
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-03-09 08:18:07 UTC
AV detection:
36 of 47 (76.60%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
46db080a3de7815c953820d44bb47f414c5edfe9ae083c3da0a9c5b3eb936028
MD5 hash:
79b31319103df01b6569bb4db350fce4
SHA1 hash:
a11769859d4a513605095bb635440eae757a5c49
Detections:
win_njrat_g1 win_njrat_w1
Please note that we are no longer able to provide a coverage score for Virus Total.

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
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_njrat_w1
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.

Web download

njrat

Executable exe 46db080a3de7815c953820d44bb47f414c5edfe9ae083c3da0a9c5b3eb936028

(this sample)

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