MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 f44b014fde675419cf4c666a600aa312fccb57be890e12a03b2019d74fe4b1ca. 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: 14


Intelligence 14 IOCs YARA 8 File information Comments
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SHA256 hash: f44b014fde675419cf4c666a600aa312fccb57be890e12a03b2019d74fe4b1ca
SHA3-384 hash: ed4372a66214665fcb33a8be39e2ba3076f7177ceaeaef3c30e10fc1a1b6a712a19dc259f82be912771d018bfd93e9af
SHA1 hash: e50a3a337524a6a3a638ed33828fda110bbd8d3a
MD5 hash: 48f6e580a94cf841c495afa5c50e96a6
humanhash: angel-glucose-venus-angel
File name:f44b014fde675419cf4c666a600aa312fccb57be890e12a03b2019d74fe4b1ca
Download: download sample
Signature njrat
Create hunting rule
File size:1'033'656 bytes
First seen:2021-08-30 06:12:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash afcdf79be1557326c854b6e20cb900a7 (1'102 x FormBook, 936 x AgentTesla, 399 x RemcosRAT)
ssdeep 24576:uAHnh+eWsN3skA4RV1Hom2KXMmHay5uertmY3Z5H:Zh+ZkldoPK8YayGYH
Threatray 1'166 similar samples on MalwareBazaar
TLSH T173259D02B3D5C076FFABA2739F69B24256BC6D250133842F13982DB9BD711B1127E663
dhash icon 28ad9a395654a4c6 (17 x njrat)
Reporter JAMESWT_WT
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
380
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
f44b014fde675419cf4c666a600aa312fccb57be890e12a03b2019d74fe4b1ca
Verdict:
Malicious activity
Analysis date:
2021-08-30 06:21:50 UTC
Tags:
n/a
Link:
https://app.any.run/tasks/c2235972-9926-4d98-a4a4-3a86f43c3886

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/183423/
Detection(s):
Win.Trojan.njRAT-9864953-1
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Win.Trojan.njRAT-9867992-1
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SecuriteInfo.com.AIT.Trojan.Nymeria.1583.UNOFFICIAL
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Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Launching a process
Connection attempt to an infection source
Adding an access-denied ACE
Creating a file
Creating a process with a hidden window
Sending a UDP request
Creating a process from a recently created file
Query of malicious DNS domain
Unauthorized injection to a system process
Enabling a "Do not show hidden files" option
Enabling autorun by creating a file
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/c0fabf63-bf25-4bcd-bd32-bd9a6cd43aed
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/842191
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
AutoIt script contains suspicious strings
Binary is likely a compiled AutoIt script file
C2 URLs / IPs found in malware configuration
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Suspicious Process Start Without DLL
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Writes to foreign memory regions
Yara detected AntiVM3
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 474626 Sample: tdWmd5yyO6 Startdate: 31/08/2021 Architecture: WINDOWS Score: 100 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 Antivirus / Scanner detection for submitted sample 2->43 45 11 other signatures 2->45 7 AppVCatalog.exe 1 2->7         started        10 tdWmd5yyO6.exe 3 2->10         started        13 AppVCatalog.exe 1 2->13         started        process3 file4 49 Antivirus detection for dropped file 7->49 51 Contains functionality to inject code into remote processes 7->51 53 Writes to foreign memory regions 7->53 59 2 other signatures 7->59 15 schtasks.exe 1 7->15         started        17 RegAsm.exe 3 7->17         started        35 C:\Users\user\...\AppVCatalog.exe, PE32 10->35 dropped 55 Binary is likely a compiled AutoIt script file 10->55 57 Uses schtasks.exe or at.exe to add and modify task schedules 10->57 19 RegAsm.exe 3 4 10->19         started        23 schtasks.exe 1 10->23         started        25 schtasks.exe 1 13->25         started        27 RegAsm.exe 2 13->27         started        signatures5 process6 dnsIp7 29 conhost.exe 15->29         started        37 microsoftdnsbug.duckdns.org 181.141.7.190, 6699 EPMTelecomunicacionesSAESPCO Colombia 19->37 47 Changes the view of files in windows explorer (hidden files and folders) 19->47 31 conhost.exe 23->31         started        33 conhost.exe 25->33         started        signatures8 process9
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/f44b014fde675419cf4c666a600aa312fccb57be890e12a03b2019d74fe4b1ca/
Threat name:
Win32.Ransomware.Bosloki
Create hunting rule
Status:
Malicious
First seen:
2021-08-18 16:13:44 UTC
File Type:
PE (Exe)
Extracted files:
10
AV detection:
38 of 46 (82.61%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=6rfqct66m5kbtt2mmzvgacvdcl6mwv56rehbfib3eam5ot7ewhfa._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
10fb9346fd965b69c8aa00c9350988d18364857f65ff7e123263a67667413228
njrat
11edfbb9381d84595491324562ad13b2c218abb38eb97b786e52ab70eb67ce25
njrat
247b57d55cdaa287404a2db0faf75a023bc0ed937b9fd9319e14c415cdfe57c6
njrat
40d88f1138536eab0e3d8dfdb227e96d34ba265d34138ccb436191ecca4b8367
njrat
62e099194f9f946b0c0dd4c474c862dadb605101b87dc2eb7b8e43f6510ae3d1
njrat
a47e2de20c3ce0e0f4478f2914332bbf2d1c800b980b004f32987a78e77716f6
njrat
ca4565f6d34227c8a57904ffcfd3c6c068ae5483bad28bb104c58ab569511c35
njrat
ce66906eb9b0e76d2b0e9b313e84c543412ae3ab598e57dce0b913759946254e
njrat
efcd93564fc1fcdfac673a30ac1150508e8cb4a3e4f981da05ef61392f684a1c
njrat
f00f5f7f81d246a3d2c6aacef673f85de79e96a460641482d6da42b638d4ad2a
njrat
+ 1'156 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:limebot3 trojan
Link:
https://tria.ge/reports/210830-shfhhxeeb6/
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
autoit_exe
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
microsoftdnsbug.duckdns.org:6699
Unpacked files
SH256 hash:
1838c7ed53192ec85c7e0a672f86fe013309f47f45cff3e2112b17207e1ea0d3
MD5 hash:
1a5a33f5e3c64dcd5da9cf7dbe14bc7a
SHA1 hash:
6c7a47bf57a864c53016b41eb680aa453ec2022c
Detections:
win_njrat_w1
Create hunting rule
win_njrat_g1
Create hunting rule
Link:
https://www.unpac.me/results/0a949f4c-c118-42a6-9f02-c9b849d15f37/
Parent samples :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 hash:
f44b014fde675419cf4c666a600aa312fccb57be890e12a03b2019d74fe4b1ca
MD5 hash:
48f6e580a94cf841c495afa5c50e96a6
SHA1 hash:
e50a3a337524a6a3a638ed33828fda110bbd8d3a
Link:
https://www.unpac.me/results/0a949f4c-c118-42a6-9f02-c9b849d15f37/
Malware family:
njRat Lime
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/f44b014fde67/report/overview.html
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/f44b014fde675419cf4c666a600aa312fccb57be890e12a03b2019d74fe4b1ca

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:AutoIT_Compiled
Create hunting rule
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
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:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Create hunting rule
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
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: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.

Cape
Cape
https://www.capesandbox.com/analysis/183423/

Comments