MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6ad9ac5ab7a0071a789065d1fe2fde732d88be8faaf4e875e3097157bee34d38. 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: 12


Intelligence 12 IOCs YARA 30 File information Comments 1

SHA256 hash: 6ad9ac5ab7a0071a789065d1fe2fde732d88be8faaf4e875e3097157bee34d38
SHA3-384 hash: 9d76707b678d14e1bcb43e373df2b15f6d370df0c1182298b81fe52b164ec07c166bfd36bc3e3a07af7118aadc5317a1
SHA1 hash: 2fc4ad01c10a37cc88e0c7ac02fed8734c0aa6e7
MD5 hash: a4212217a2e90127cf2870215d72edf5
humanhash: freddie-cardinal-grey-two
File name:a4212217a2e90127cf2870215d72edf5
Download: download sample
Signature njrat
File size:329'728 bytes
First seen:2023-11-19 18:30:06 UTC
Last seen:2023-12-23 23:47:40 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash c78a8260f9a15829e711e4a9385a8f0b (1 x njrat)
ssdeep 6144:jSt2tu6b3Ulc6Bxz/Bn8ETaWASeIN8Sez8cihLtKb4XM1gvKUdFebAXmCEctjlLK:O36b3wcYxTBVcSeIWSeYXBKb48MJnBdK
TLSH T1056423209ADC05A0D5E3117AEE132D462B3121321B2F1F5E76FE0147EFE7F914B22A99
Reporter zbetcheckin
Tags:64 exe NjRAT

Intelligence


File Origin
# of uploads :
3
# of downloads :
410
Origin country :
FR FR
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
https://cdn.discordapp.com/attachments/1173770241780752437/1173770277059043348/Install.rar?ex=656529c1&is=6552b4c1&hm=94446b91d1b932ebd99cc92541f7e8c16176394ea47a52381a4ce47893b3a208&
Verdict:
Malicious activity
Analysis date:
2023-11-15 17:51:47 UTC
Tags:
payload lumma stealer loader

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

Behaviour
Sending a custom TCP request
DNS request
Sending an HTTP GET request
Searching for the window
Creating a window
Searching for analyzing tools
Сreating synchronization primitives
Creating a file
Creating a file in the %temp% directory
Running batch commands
Enabling the 'hidden' option for recently created files
Launching a process
Creating a process from a recently created file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Sending a TCP request to an infection source
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
lolbin overlay packed shell32
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:
n/a
Detection:
malicious
Classification:
evad
Score:
100 / 100
Signature
Contains functionality to detect virtual machines (IN, VMware)
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Queries sensitive disk information (via WMI, Win32_DiskDrive, often done to detect virtual machines)
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sets debug register (to hijack the execution of another thread)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Tries to evade debugger and weak emulator (self modifying code)
Uses schtasks.exe or at.exe to add and modify task schedules
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1344809 Sample: PLuiw9gdat.exe Startdate: 19/11/2023 Architecture: WINDOWS Score: 100 35 ip-api.com 2->35 37 api4.ipify.org 2->37 39 api.ipify.org 2->39 49 Multi AV Scanner detection for submitted file 2->49 51 PE file has nameless sections 2->51 10 PLuiw9gdat.exe 7 2->10         started        14 GeforceUpdater.exe 3 2->14         started        signatures3 process4 file5 33 C:\ProgramData\...behaviorgrapheforceUpdater.exe, MS-DOS 10->33 dropped 61 Detected unpacking (changes PE section rights) 10->61 63 Detected unpacking (overwrites its own PE header) 10->63 65 Sets debug register (to hijack the execution of another thread) 10->65 67 Tries to evade debugger and weak emulator (self modifying code) 10->67 16 cmd.exe 1 10->16         started        signatures6 process7 signatures8 47 Uses schtasks.exe or at.exe to add and modify task schedules 16->47 19 GeforceUpdater.exe 14 4 16->19         started        23 conhost.exe 16->23         started        25 timeout.exe 1 16->25         started        process9 dnsIp10 41 api4.ipify.org 173.231.16.77, 443, 49730 WEBNXUS United States 19->41 43 ip-api.com 208.95.112.1, 49731, 80 TUT-ASUS United States 19->43 45 45.15.156.43, 1588, 49729 RU-KSTVKolomnaGroupofcompaniesGuarantee-tvRU Russian Federation 19->45 53 Multi AV Scanner detection for dropped file 19->53 55 Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines) 19->55 57 Tries to detect sandboxes and other dynamic analysis tools (window names) 19->57 59 3 other signatures 19->59 27 cmd.exe 1 19->27         started        signatures11 process12 process13 29 conhost.exe 27->29         started        31 schtasks.exe 1 27->31         started       
Threat name:
Win64.Spyware.Lummastealer
Status:
Malicious
First seen:
2023-11-15 16:19:20 UTC
File Type:
PE+ (Exe)
Extracted files:
2
AV detection:
15 of 23 (65.22%)
Threat level:
  2/5
Verdict:
malicious
Result
Malware family:
n/a
Score:
  7/10
Tags:
n/a
Behaviour
Creates scheduled task(s)
Delays execution with timeout.exe
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Uses Task Scheduler COM API
Enumerates physical storage devices
Looks up external IP address via web service
Checks computer location settings
Executes dropped EXE
Unpacked files
SH256 hash:
6ad9ac5ab7a0071a789065d1fe2fde732d88be8faaf4e875e3097157bee34d38
MD5 hash:
a4212217a2e90127cf2870215d72edf5
SHA1 hash:
2fc4ad01c10a37cc88e0c7ac02fed8734c0aa6e7
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:BAZT_B5_NOCEXInvalidStream
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:Check_OutputDebugStringA_iat
Rule name:cobalt_strike_tmp01925d3f
Author:The DFIR Report
Description:files - file ~tmp01925d3f.exe
Reference:https://thedfirreport.com
Rule name:command_and_control
Author:CD_R0M_
Description:This rule searches for common strings found by malware using C2. Based on a sample used by a Ransomware group
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__GlobalFlags
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__RemoteAPI
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__ConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerException__SetConsoleCtrl
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Active
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:Glasses
Author:Seth Hardy
Description:Glasses family
Rule name:GlassesCode
Author:Seth Hardy
Description:Glasses code features
Rule name:maldoc_getEIP_method_1
Author:Didier Stevens (https://DidierStevens.com)
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:meth_get_eip
Author:Willi Ballenthin
Rule name:NET
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:PE_Digital_Certificate
Author:albertzsigovits
Rule name:pe_no_import_table
Description:Detect pe file that no import table
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:Rooter
Author:Seth Hardy
Description:Rooter
Rule name:RooterStrings
Author:Seth Hardy
Description:Rooter Identifying Strings
Rule name:SEH__vectored
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:win_xfilesstealer_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.xfilesstealer.

File information


The table below shows additional information about this malware sample such as delivery method and external references.

Web download

njrat

Executable exe 6ad9ac5ab7a0071a789065d1fe2fde732d88be8faaf4e875e3097157bee34d38

(this sample)

  
Delivery method
Distributed via web download

Comments



Avatar
zbet commented on 2023-11-19 18:30:07 UTC

url : hxxp://45.15.156.116/svchost.exe