MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d32f540a1a99336a0cca85ebab89d071b4fcebb62a797074975eabce3662d380. 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: 7


Intelligence 7 IOCs YARA 1 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: d32f540a1a99336a0cca85ebab89d071b4fcebb62a797074975eabce3662d380
SHA3-384 hash: ebe7a46077a5c7396a46d96dc7f198ae647c5a0cd05db9b4884b52f50875cca4aa83a4391d0fc46251a994313abc38cd
SHA1 hash: cfb3821da85c6bce4eb847e838366eb43fe61cb7
MD5 hash: 89a94e8ce662f8f684b5d3ad6ac46fc3
humanhash: leopard-comet-fanta-papa
File name:T1WhCQA3.exe
Download: download sample
Signature njrat
Create hunting rule
File size:44'544 bytes
First seen:2020-09-28 06:32:40 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 768:GdWGobCtBtektNuNGOplZZf/mKCKzfzc50aFF3HZugZaewfJKkxM:QWGECbtbEVHLcpD3ZugwewTM
Threatray 8 similar samples on MalwareBazaar
TLSH 3A13A68A73984912C6BDA7748812C751E3F2F1C75997DF5D0CEDC8EA0F3AA404E8B592
Reporter pmelson
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
166
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Link:
https://www.capesandbox.com/analysis/66338/
Detection(s):
Win.Worm.Njrat-2
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling the 'hidden' option for recently created files
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
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating a special LNK file
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/476200
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
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
Protects its processes via BreakOnTermination flag
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: 290550 Sample: T1WhCQA3.exe Startdate: 28/09/2020 Architecture: WINDOWS Score: 100 52 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->52 54 Malicious sample detected (through community Yara rule) 2->54 56 Antivirus detection for dropped file 2->56 58 11 other signatures 2->58 8 T1WhCQA3.exe 2 6 2->8         started        11 Trojan.exe 3 2->11         started        13 Trojan.exe 3 2->13         started        15 2 other processes 2->15 process3 file4 40 C:\Users\user\AppData\Local\Temp\Trojan.exe, PE32 8->40 dropped 42 C:\Users\user\...\Trojan.exe:Zone.Identifier, ASCII 8->42 dropped 44 C:\Users\user\AppData\...\T1WhCQA3.exe.log, ASCII 8->44 dropped 17 Trojan.exe 3 8 8->17         started        46 C:\...\5cd8f17f4086744065eb0992a09e05a2.exe, PE32 11->46 dropped 48 5cd8f17f4086744065...exe:Zone.Identifier, ASCII 11->48 dropped 22 netsh.exe 11->22         started        24 netsh.exe 3 13->24         started        26 netsh.exe 3 15->26         started        process5 dnsIp6 50 gpio.ddns.net 40.76.33.154, 40120, 49702, 49717 MICROSOFT-CORP-MSN-AS-BLOCKUS United States 17->50 38 C:\Users\user\AppData\...\Trojan.exe.tmp, ASCII 17->38 dropped 60 Antivirus detection for dropped file 17->60 62 Multi AV Scanner detection for dropped file 17->62 64 Protects its processes via BreakOnTermination flag 17->64 66 3 other signatures 17->66 28 netsh.exe 3 17->28         started        30 conhost.exe 22->30         started        32 conhost.exe 24->32         started        34 conhost.exe 26->34         started        file7 signatures8 process9 process10 36 conhost.exe 28->36         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d32f540a1a99336a0cca85ebab89d071b4fcebb62a797074975eabce3662d380/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-09-28 06:34:07 UTC
AV detection:
41 of 48 (85.42%)
Threat level:
  5/5
Verdict:
malicious
Similar samples:
0860c94c0acccc20627106344c4fe3ba07b9ad0802f07dd6895e9dee72edf1f0
njrat
08c0375aa494984e77ec6a082f10b27cf45f7ca08ad1bf2c4c7d4119d41a88af
njrat
61322bfef06e7fda9e84ad05a402f63f3ece7013120081ca2d3cdbfd4cfbc807
njrat
b8f183207a4f0c7454d4be808e08e39b17a46fa57a0068da5a586827f88ab50e
njrat
bccacb3d4d94bf0ffbe0b2ff26d4de7bdb0b400fbf88ad2894371c066a17480e
njrat
c5d7176d2929750e2c3706f1cf41a356e7bf132ca4fcd994796e9f913b0a2fa3
njrat
d7dd8e9fd6df14a7fe0bd6bc01c453105676db1932d1c26497a20c44d99a77e9
njrat
ebda3d0f42a337880c4b2d262730986e20abcfda2b66f6d91f0ec82d5607552d
njrat
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
Link:
https://tria.ge/reports/200928-v1gm57eemj/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
d32f540a1a99336a0cca85ebab89d071b4fcebb62a797074975eabce3662d380
MD5 hash:
89a94e8ce662f8f684b5d3ad6ac46fc3
SHA1 hash:
cfb3821da85c6bce4eb847e838366eb43fe61cb7
Detections:
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/18f3dc52-3b38-40c6-b451-7790a6b25cad/
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/d32f540a1a99336a0cca85ebab89d071b4fcebb62a797074975eabce3662d380

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:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter
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 d32f540a1a99336a0cca85ebab89d071b4fcebb62a797074975eabce3662d380

(this sample)

  
Link
https://www.virustotal.com/gui/file/d32f540a1a99336a0cca85ebab89d071b4fcebb62a797074975eabce3662d380/detection
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/66338/

Comments