MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d90109a1025fb4ab4c60e247a5b5815eb594ae49f899b6bc0b1f0b9b6f43c210. 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 6 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d90109a1025fb4ab4c60e247a5b5815eb594ae49f899b6bc0b1f0b9b6f43c210
SHA3-384 hash: 74126e22f0e04a59f56ce9d881483090f8028653b97a0286c4f3dc42bb333a39c48ebc01508bee72efefba9c8d196b85
SHA1 hash: defbe7462a58da45cbf547023d4039de7d61a615
MD5 hash: b1c8316bb1097607acd7968c81e1384c
humanhash: delta-fish-pasta-lion
File name:d90109a1025fb4ab4c60e247a5b5815eb594ae49f899b6bc0b1f0b9b6f43c210
Download: download sample
Signature njrat
Create hunting rule
File size:105'231 bytes
First seen:2021-09-30 12:39:20 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'752 x AgentTesla, 19'657 x Formbook, 12'248 x SnakeKeylogger)
ssdeep 3072:zG84sTI6gI94Y3jwhBgHCWKdzdZNfKks+wd:au9w7KkHwd
Threatray 5 similar samples on MalwareBazaar
TLSH T19FA3C0493BD68965E1BD1B741E3162000A72A5978265DA3F8DC900EA57F3AE04BC3FF7
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
335
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
d90109a1025fb4ab4c60e247a5b5815eb594ae49f899b6bc0b1f0b9b6f43c210
Verdict:
Malicious activity
Analysis date:
2021-09-30 22:07:42 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/e3930e4f-bdc6-4c1c-9f95-5b5d6963944a

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/193657/
Detection(s):
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

Win.Packed.Generic-9795615-0
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.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Launching a process
Creating a window
Enabling the 'hidden' option for recently created files
DNS request
Launching the process to change the firewall settings
Firewall traversal
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/99ce0240-cfc2-4299-92c7-5d8dd2a3d6fd
Result
Threat name:
njRat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/861875
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
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
Protects its processes via BreakOnTermination flag
Uses cmd line tools excessively to alter registry or file data
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 494303 Sample: Ze1Gb9Fcfw Startdate: 30/09/2021 Architecture: WINDOWS Score: 100 54 piratinhas.duckdns.org 2->54 58 Malicious sample detected (through community Yara rule) 2->58 60 Antivirus / Scanner detection for submitted sample 2->60 62 Multi AV Scanner detection for dropped file 2->62 64 8 other signatures 2->64 9 Ze1Gb9Fcfw.exe 1 5 2->9         started        12 System.exe 3 2->12         started        15 System.exe 2 2->15         started        17 3 other processes 2->17 signatures3 process4 file5 50 C:\ProgramData\System.exe, PE32 9->50 dropped 52 C:\Users\user\AppData\...\Ze1Gb9Fcfw.exe.log, ASCII 9->52 dropped 19 System.exe 5 7 9->19         started        74 Antivirus detection for dropped file 12->74 76 Multi AV Scanner detection for dropped file 12->76 78 Machine Learning detection for dropped file 12->78 signatures6 process7 dnsIp8 56 piratinhas.duckdns.org 19->56 46 C:\Users\user\AppData\Roaming\...\System.exe, PE32 19->46 dropped 48 C:\ProgramData\0vhDuj06\System.exe, PE32 19->48 dropped 66 Antivirus detection for dropped file 19->66 68 Multi AV Scanner detection for dropped file 19->68 70 Protects its processes via BreakOnTermination flag 19->70 72 6 other signatures 19->72 24 netsh.exe 1 3 19->24         started        26 schtasks.exe 1 19->26         started        28 schtasks.exe 1 19->28         started        30 16 other processes 19->30 file9 signatures10 process11 process12 32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        36 conhost.exe 28->36         started        38 conhost.exe 30->38         started        40 conhost.exe 30->40         started        42 conhost.exe 30->42         started        44 13 other processes 30->44
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d90109a1025fb4ab4c60e247a5b5815eb594ae49f899b6bc0b1f0b9b6f43c210/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2018-11-02 19:57:02 UTC
AV detection:
40 of 45 (88.89%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=3eaqtiicl62kwtda4jd2lnmbl22zjlsj7cm3npald4fzw32dyiia._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
04f8a1b4eb1d14869a2651fd147e3a2bd4b38feabd08cb2922731194e9b46abf
njrat
5faf2c82224567323cd58b2ce04554de259289b5f13a06534dc8678652561f22
njrat
a12471ce87a68c1eff6571727db21d9abf701e4b9788c6ebbc2d668a15998036
njrat
d823be7dcf0a0a9b5dfe71e5450e0dcae985aa2e5db17d54688afe1a9b6b7fc0
njrat
e6edabb3c879a7ad14ea080f665f753cfbb2ca7f9f477440fbd9ad2f1e5811d8
njrat
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/210930-pv8e5shhdp/
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Views/modifies file attributes
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:
d90109a1025fb4ab4c60e247a5b5815eb594ae49f899b6bc0b1f0b9b6f43c210
MD5 hash:
b1c8316bb1097607acd7968c81e1384c
SHA1 hash:
defbe7462a58da45cbf547023d4039de7d61a615
Link:
https://www.unpac.me/results/935a421c-abe8-4653-b44d-2db179885898/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/d90109a1025fb4ab4c60e247a5b5815eb594ae49f899b6bc0b1f0b9b6f43c210

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: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

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/193657/

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