MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3. 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 YARA 5 File information Comments

SHA256 hash: 02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3
SHA3-384 hash: 730b5e49f3e56cd6a4309c04f3f0b353e618eb0721018aaeeb81387f381e36b418f377adba26893f8bc54f925a355ef4
SHA1 hash: 0a87788428778dba567623ccc9be6825eba4b7c7
MD5 hash: 49b8f905867aded45f1f5b3c9bd84209
humanhash: blue-indigo-item-november
File name:svchost.exe
Download: download sample
Signature njrat
File size:32'256 bytes
First seen:2020-10-10 15:41:07 UTC
Last seen:2025-01-23 02:59:01 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'662 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:cLQBlGFnf6zxV+NKPkvJfbv6/QmIDUu0ti7NAj:dIqsb8QVkzj
Threatray 34 similar samples on MalwareBazaar
TLSH 88E21BADFBE64466D2BC0AB50571950013B4E103E523F77E4ECB24E62B6B6D84B84DF2
Reporter vm001cn
Tags:NjRAT RAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
223
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a file
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a process with a hidden window
Creating a window
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Creating a file in the mass storage device
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
Enabling autorun by creating a file
Result
Threat name:
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
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
Changes security center settings (notifications, updates, antivirus, firewall)
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Drops PE files with benign system names
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
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 296205 Sample: svchost.exe Startdate: 10/10/2020 Architecture: WINDOWS Score: 100 46 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 Antivirus detection for dropped file 2->50 52 13 other signatures 2->52 8 svchost.exe 1 8 2->8         started        12 svchost.exe 2->12         started        14 svchost.exe 1 1 2->14         started        17 9 other processes 2->17 process3 dnsIp4 34 C:\Users\user\AppData\Local\...\svchost.exe, PE32 8->34 dropped 36 C:\Tools.exe, PE32 8->36 dropped 38 C:\Tools.exe:Zone.Identifier, ASCII 8->38 dropped 62 Drops PE files with benign system names 8->62 19 svchost.exe 3 6 8->19         started        64 Changes security center settings (notifications, updates, antivirus, firewall) 12->64 24 MpCmdRun.exe 1 12->24         started        42 127.0.0.1 unknown unknown 14->42 44 192.168.2.1 unknown unknown 14->44 file5 signatures6 process7 dnsIp8 40 43.229.151.64, 49743, 49745, 5552 SIAMDATA-TH408Fl4CATTOWERTH Thailand 19->40 32 C:\...\6825da1e045502b22d4b02d4028214ab.exe, PE32 19->32 dropped 54 Antivirus detection for dropped file 19->54 56 Multi AV Scanner detection for dropped file 19->56 58 Protects its processes via BreakOnTermination flag 19->58 60 3 other signatures 19->60 26 netsh.exe 1 3 19->26         started        28 conhost.exe 24->28         started        file9 signatures10 process11 process12 30 conhost.exe 26->30         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2020-10-10 15:43:05 UTC
AV detection:
26 of 29 (89.66%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
ransomware worm family:wannacry persistence spyware evasion discovery trojan family:njrat
Behaviour
Interacts with shadow copies
Modifies registry key
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Views/modifies file attributes
Modifies service
Sets desktop wallpaper using registry
Adds Run key to start application
JavaScript code in executable
Drops startup file
Loads dropped DLL
Modifies file permissions
Reads user/profile data of web browsers
Executes dropped EXE
Modifies Windows Firewall
Modifies extensions of user files
Deletes shadow copies
Wannacry
njRAT/Bladabindi
Unpacked files
SH256 hash:
02883009e7e310bf670bff6336cb6c05c5ecfe0b40274a99b769e8fbfae19ad3
MD5 hash:
49b8f905867aded45f1f5b3c9bd84209
SHA1 hash:
0a87788428778dba567623ccc9be6825eba4b7c7
Detections:
win_njrat_w1 win_njrat_g1
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:CN_disclosed_20180208_c
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:MAL_Winnti_Sample_May18_1
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_njrat_w1
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.

Comments