MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 6fe04c8791ef39d3256b229ecb5e574d450e8c0e59300c32658e940880aa2929. 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: 11


Intelligence 11 IOCs 1 YARA 13 File information Comments

SHA256 hash: 6fe04c8791ef39d3256b229ecb5e574d450e8c0e59300c32658e940880aa2929
SHA3-384 hash: 54e0c4e15548f851f763611f7264a62c291833fdb5edbd774b18cb2a5cdea6e604411628a01261c156440969a80000b9
SHA1 hash: 6214bdca82fa0e54a75de181fd1ed95dffdaf35a
MD5 hash: e11fa56349781d01080d0baba6367758
humanhash: spaghetti-louisiana-north-high
File name:e11fa56349781d01080d0baba6367758.exe
Download: download sample
Signature njrat
File size:25'116'160 bytes
First seen:2022-01-08 11:05:48 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 9222d372923baed7aa9dfa28449a94ea (11 x AsyncRAT, 10 x RedLineStealer, 9 x NanoCore)
ssdeep 393216:LWT8mUu0qXUeKjI4pBddVogYuWcDYOPXmSMkWUoEQ+b:LWQPDqk9j1pBVoCWcDDNMk5gE
Threatray 3'912 similar samples on MalwareBazaar
TLSH T1F047338CBBA209BBF59805732D17E63D93B37C62691271C723F1325FE2B1A5213564E2
File icon (PE):PE icon
dhash icon 9628dcd46c6c92ec (1 x njrat)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
http://jasaseobe.my.id/index.php

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
http://jasaseobe.my.id/index.php https://threatfox.abuse.ch/ioc/291946/

Intelligence


File Origin
# of uploads :
1
# of downloads :
461
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
e11fa56349781d01080d0baba6367758.exe
Verdict:
Malicious activity
Analysis date:
2022-01-08 11:08:34 UTC
Tags:
trojan rat azorult stealer njrat bladabindi

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

Behaviour
Сreating synchronization primitives
Creating a file in the %temp% directory
Creating a process from a recently created file
DNS request
Sending an HTTP POST request
Launching a process
Creating a file
Reading critical registry keys
Creating a window
Searching for the window
Running batch commands
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Searching for synchronization primitives
Creating a file in the %AppData% subdirectories
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Blocking the Windows Defender launch
Stealing user critical data
Launching the process to change the firewall settings
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm azorult bladabindi cmd.exe coinminer defender evasive fingerprint greyware netsh.exe njrat packed rat shell32.dll stealer swisyn update.exe windows
Result
Verdict:
MALICIOUS
Result
Threat name:
njRat Azorult Xmrig
Detection:
malicious
Classification:
spre.phis.troj.adwa.spyw.evad.mine
Score:
100 / 100
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
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Detected njRat
DNS related to crypt mining pools
Drops PE files to the startup folder
Drops PE files to the user root directory
Drops PE files with benign system names
Encrypted powershell cmdline option found
Found many strings related to Crypto-Wallets (likely being stolen)
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Injects files into Windows application
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the context of a thread in another process (thread injection)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Obfuscated command line found
Protects its processes via BreakOnTermination flag
Sample is not signed and drops a device driver
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal Bitcoin Wallet information
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc)
Tries to steal Crypto Currency Wallets
Tries to steal Instant Messenger accounts or passwords
Tries to steal Mail credentials (via file / registry access)
Uses netsh to modify the Windows network and firewall settings
Uses nslookup.exe to query domains
Uses schtasks.exe or at.exe to add and modify task schedules
Very long command line found
Writes to foreign memory regions
Yara detected Azorult
Yara detected Azorult Info Stealer
Yara detected Njrat
Yara detected Xmrig cryptocurrency miner
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 549603 Sample: IvUbyWcDSU.exe Startdate: 08/01/2022 Architecture: WINDOWS Score: 100 94 xmr-asia1.nanopool.org 2->94 100 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->100 102 Malicious sample detected (through community Yara rule) 2->102 104 Antivirus / Scanner detection for submitted sample 2->104 106 16 other signatures 2->106 10 IvUbyWcDSU.exe 8 2->10         started        14 svchost.exe 2->14         started        16 svchost.exe 2->16         started        signatures3 process4 file5 84 C:\Users\user\AppData\...\WINDOWS UPDATE.EXE, PE32 10->84 dropped 86 C:\Users\user\AppData\Local\...\SVCHOST.EXE, PE32 10->86 dropped 88 C:\Users\user\AppData\Local\...88OTEPAD.EXE, PE32+ 10->88 dropped 90 4 other files (2 malicious) 10->90 dropped 132 Drops PE files with benign system names 10->132 134 Infects executable files (exe, dll, sys, html) 10->134 18 GOOGLE CHROME.EXE 67 10->18         started        23 CHROME.EXE 4 10->23         started        25 WINDOWS UPDATE.EXE 10->25         started        27 4 other processes 10->27 signatures6 process7 dnsIp8 96 jasaseobe.my.id 103.28.12.227, 49757, 49762, 80 QWORDS-AS-IDPTQwordsCompanyInternationalID Indonesia 18->96 66 C:\Users\user\AppData\...\vcruntime140.dll, PE32 18->66 dropped 68 C:\Users\user\AppData\Local\...\ucrtbase.dll, PE32 18->68 dropped 80 46 other files (none is malicious) 18->80 dropped 108 Tries to harvest and steal Putty / WinSCP information (sessions, passwords, etc) 18->108 110 Tries to steal Instant Messenger accounts or passwords 18->110 112 Tries to steal Mail credentials (via file / registry access) 18->112 126 4 other signatures 18->126 70 C:\Users\user\AppData\...\services.exe, PE32+ 23->70 dropped 114 Uses nslookup.exe to query domains 23->114 116 Writes to foreign memory regions 23->116 118 Allocates memory in foreign processes 23->118 128 3 other signatures 23->128 29 cmd.exe 1 23->29         started        72 C:\Users\user\AppData\Local\Temp\server.exe, PE32 25->72 dropped 32 server.exe 25->32         started        98 192.168.2.1 unknown unknown 27->98 74 C:\Users\user\Services.exe, PE32+ 27->74 dropped 76 C:\Users\user\AppData\Roaming\...\WR64.sys, PE32+ 27->76 dropped 78 C:\Users\user\AppData\...\servicesupdate.exe, PE32+ 27->78 dropped 82 2 other files (1 malicious) 27->82 dropped 120 Creates multiple autostart registry keys 27->120 122 Drops PE files to the user root directory 27->122 124 Drops PE files to the startup folder 27->124 130 2 other signatures 27->130 36 cmd.exe 1 27->36         started        38 powershell.exe 27->38         started        40 powershell.exe 27->40         started        42 12 other processes 27->42 file9 signatures10 process11 dnsIp12 44 conhost.exe 29->44         started        46 powershell.exe 29->46         started        48 powershell.exe 29->48         started        92 172.94.18.243, 3001 M247GB United States 32->92 64 C:\...\79402713f13d898b624bf5785b7dd5e5.exe, PE32 32->64 dropped 136 Protects its processes via BreakOnTermination flag 32->136 138 Creates autostart registry keys with suspicious names 32->138 140 Creates multiple autostart registry keys 32->140 146 3 other signatures 32->146 50 netsh.exe 32->50         started        142 Encrypted powershell cmdline option found 36->142 144 Uses schtasks.exe or at.exe to add and modify task schedules 36->144 52 powershell.exe 22 36->52         started        54 conhost.exe 36->54         started        56 conhost.exe 38->56         started        58 conhost.exe 40->58         started        60 12 other processes 42->60 file13 signatures14 process15 process16 62 conhost.exe 50->62         started       
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-01-02 11:46:14 UTC
File Type:
PE (Exe)
Extracted files:
67
AV detection:
39 of 43 (90.70%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:azorult family:njrat family:xmrig botnet:hacked collection discovery evasion infostealer miner persistence spyware stealer trojan
Behaviour
Checks processor information in registry
Creates scheduled task(s)
Delays execution with timeout.exe
Modifies data under HKEY_USERS
Suspicious behavior: AddClipboardFormatListener
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: LoadsDriver
Suspicious use of AdjustPrivilegeToken
Suspicious use of FindShellTrayWindow
Suspicious use of UnmapMainImage
Suspicious use of WriteProcessMemory
outlook_office_path
outlook_win_path
Enumerates physical storage devices
Program crash
Drops file in Windows directory
Drops file in System32 directory
Suspicious use of SetThreadContext
Accesses Microsoft Outlook profiles
Accesses cryptocurrency files/wallets, possible credential harvesting
Adds Run key to start application
Checks installed software on the system
Drops startup file
Loads dropped DLL
Reads data files stored by FTP clients
Reads local data of messenger clients
Reads user/profile data of local email clients
Reads user/profile data of web browsers
Windows security modification
Executes dropped EXE
Modifies Windows Firewall
XMRig Miner Payload
Azorult
Contains code to disable Windows Defender
Modifies Windows Defender Real-time Protection settings
Suspicious use of NtCreateProcessExOtherParentProcess
Suspicious use of NtCreateUserProcessOtherParentProcess
njRAT/Bladabindi
xmrig
Malware Config
C2 Extraction:
http://195.245.112.115/index.php
172.94.18.243:3001
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:adonunix2
Author:Tim Brown @timb_machine
Description:AD on UNIX
Rule name:AutoIT_Compiled
Author:@bartblaze
Description:Identifies compiled AutoIT script (as EXE).
Rule name:Azorult
Author:JPCERT/CC Incident Response Group
Description:detect Azorult in memory
Reference:internal research
Rule name:azorult
Author:c3rb3ru5
Description:Azorult Configuration Extractor
Rule name:Azorult
Author:kevoreilly
Description:Azorult Payload
Rule name:BitcoinAddress
Author:Didier Stevens (@DidierStevens)
Description:Contains a valid Bitcoin address
Rule name:HKTL_NET_GUID_Disable_Windows_Defender
Author:Arnim Rupp
Description:Detects c# red/black-team tools via typelibguid
Reference:https://github.com/NYAN-x-CAT/Disable-Windows-Defender
Rule name:INDICATOR_SUSPICIOUS_DisableWinDefender
Author:ditekSHen
Description:Detects executables containing artifcats associated with disabling Widnows Defender
Rule name:INDICATOR_SUSPICIOUS_EXE_RegKeyComb_DisableWinDefender
Author:ditekSHen
Description:Detects executables embedding registry key / value combination indicative of disabling Windows Defedner features
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:win_njrat_w1
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.

Comments