MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 397ecade056fbe86ddfe00b4b29ba35121e0fa853c420b4f02e96f76ba766288. 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 10 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 397ecade056fbe86ddfe00b4b29ba35121e0fa853c420b4f02e96f76ba766288
SHA3-384 hash: aa61faf844c45b097be9d485b368bced5c8e86edb5ee2eda74de393b99500a2f4cd4a2adee78f552c9f0813678d1cabd
SHA1 hash: c65d3ac000fd4a253c72bf97ec30bee5bcd016e7
MD5 hash: d54900f4197070e739117c008827a3d8
humanhash: alabama-four-mars-steak
File name:LuckyGenerator_v1.0.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'633'908 bytes
First seen:2022-07-09 21:05:01 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 12e12319f1029ec4f8fcbed7e82df162 (389 x DCRat, 52 x RedLineStealer, 51 x Formbook)
ssdeep 24576:5TbBv5rUhAkRzXU5dygIgCQrehhl43rNUnYkAlEY5R2Cwslt6CPxPj9/:zBZkdkGgIg7ihcMYVx5cfs2GxPj9/
TLSH T19C752346BBD244B2C1911C3B2925B626BE3DB9211F7589EBA3D0897DDE314D0CB32F61
TrID 89.0% (.EXE) WinRAR Self Extracting archive (4.x-5.x) (265042/9/39)
3.5% (.EXE) Win64 Executable (generic) (10523/12/4)
2.2% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
1.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
1.5% (.EXE) Win32 Executable (generic) (4505/5/1)
File icon (PE):PE icon
dhash icon b8a0f2e2a8b2b6f6 (1 x njrat)
Reporter Anonymous
Tags:exe NjRAT


Avatar
Anonymous
Drops njRAT, C2: 193.161.193.99:25383 / LuckyKazya-25383.portmap.host:25383
Retrieved from https://luckygenerator.tk/LuckyGenerator_v1.0.exe

Intelligence

File Origin
# of uploads :
1
# of downloads :
362
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
https://luckygenerator.tk
Verdict:
Malicious activity
Analysis date:
2022-07-06 14:14:51 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/7b308997-cfb8-4ea5-9387-71be9e5a0ef3

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/285814/
Detection(s):
SecuriteInfo.com.Trojan.PWS.Steam.28157.UNOFFICIAL
Create hunting rule

SecuriteInfo.com.Trojan.GenericKD.38920448.13962.7593.UNOFFICIAL
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Running batch commands
Creating a process from a recently created file
Searching for analyzing tools
Creating a file in the %AppData% directory
Creating a file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Sending a TCP request to an infection source
Enabling autorun by creating a file
Result
Malware family:
n/a
Score:
  6/10
Tags:
n/a
Link:
https://dragonfly.certego.net/analysis/24792/overview
Behaviour
MalwareBazaar
MeasuringTime
EvasionQueryPerformanceCounter
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
80%
Tags:
anti-vm bladabindi enigma greyware overlay packed setupapi.dll shdocvw.dll shell32.dll wacatac zpevdo
Link:
https://www.filescan.io/uploads/62c9ed8422ab9d0aa0036619/reports/02924c29-fbbe-4826-8202-7d13ef6a2ecd/overview
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/3e1adecd-1cb1-4750-831a-700fa4314689
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1027805
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for dropped file
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Hides threads from debuggers
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
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses netsh to modify the Windows network and firewall settings
Yara detected Generic Downloader
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 660300 Sample: LuckyGenerator_v1.0.exe Startdate: 09/07/2022 Architecture: WINDOWS Score: 100 49 Snort IDS alert for network traffic 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for dropped file 2->53 55 9 other signatures 2->55 10 LuckyGenerator_v1.0.exe 12 2->10         started        13 Jusched.exe 3 2->13         started        16 Jusched.exe 2->16         started        process3 file4 39 C:\Users\user\AppData\...\Mojang_connect.exe, PE32 10->39 dropped 41 C:\Users\user\AppData\...\MaterialSkin.dll, PE32 10->41 dropped 43 C:\Users\user\AppData\...\LuckyGenerator.exe, PE32 10->43 dropped 18 cmd.exe 1 10->18         started        65 Hides threads from debuggers 13->65 signatures5 process6 process7 20 Mojang_connect.exe 1 5 18->20         started        24 LuckyGenerator.exe 2 18->24         started        26 conhost.exe 18->26         started        file8 37 C:\Users\user\AppData\Roaming\Jusched.exe, PE32 20->37 dropped 57 Antivirus detection for dropped file 20->57 59 Multi AV Scanner detection for dropped file 20->59 61 Detected unpacking (changes PE section rights) 20->61 63 3 other signatures 20->63 28 Jusched.exe 5 5 20->28         started        signatures9 process10 dnsIp11 47 LuckyKazya-25383.portmap.host 193.161.193.99, 25383, 49742, 49743 BITREE-ASRU Russian Federation 28->47 45 C:\...\435e3be14555ed3bc7b0a91f1ab42805.exe, PE32 28->45 dropped 67 Antivirus detection for dropped file 28->67 69 Multi AV Scanner detection for dropped file 28->69 71 Detected unpacking (changes PE section rights) 28->71 73 9 other signatures 28->73 33 netsh.exe 1 3 28->33         started        file12 signatures13 process14 process15 35 conhost.exe 33->35         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/397ecade056fbe86ddfe00b4b29ba35121e0fa853c420b4f02e96f76ba766288/
Threat name:
Win32.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2022-06-30 15:18:48 UTC
File Type:
PE (Exe)
Extracted files:
20
AV detection:
23 of 26 (88.46%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=hf7mvxqfn67inxp6ac2lfg5dkeq6b6ufhrbawtyc5fxxnotwmkea._file
Verdict:
malicious
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence suricata trojan
Link:
https://tria.ge/reports/220709-zw52hsagd2/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Unpacked files
SH256 hash:
a07e0a181630063b5246741e10ce0b53d7dbd98954f117ee36d9cd2ef0065dfe
MD5 hash:
f63925ec487f42f204b930fa8d148610
SHA1 hash:
252dbd815e19f3c45493e8e419db7961726f9e93
Link:
https://www.unpac.me/results/dc4512c6-4bf3-4cad-8c6d-f204e9d2c2c0/
SH256 hash:
397ecade056fbe86ddfe00b4b29ba35121e0fa853c420b4f02e96f76ba766288
MD5 hash:
d54900f4197070e739117c008827a3d8
SHA1 hash:
c65d3ac000fd4a253c72bf97ec30bee5bcd016e7
Link:
https://www.unpac.me/results/dc4512c6-4bf3-4cad-8c6d-f204e9d2c2c0/
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/397ecade056fbe86ddfe00b4b29ba35121e0fa853c420b4f02e96f76ba766288

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:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:pdb_YARAify
Create hunting rule
Author:@wowabiy314
Description:PDB
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
Rule name:suspicious_sfx_files_size_rule
Create hunting rule
Author:Razvan.A.B
Description:Detects suspicious files containing sfx
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.

Web download

njrat

Executable exe 397ecade056fbe86ddfe00b4b29ba35121e0fa853c420b4f02e96f76ba766288

(this sample)

njrat

Executable exe a07e0a181630063b5246741e10ce0b53d7dbd98954f117ee36d9cd2ef0065dfe

  
Dropping
njRAT
  
Delivery method
Distributed via web download
Cape
Cape
https://www.capesandbox.com/analysis/285814/
  
Dropping
SHA256 a07e0a181630063b5246741e10ce0b53d7dbd98954f117ee36d9cd2ef0065dfe
  
Dropping
MD5 f63925ec487f42f204b930fa8d148610

Comments