MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 7f02a60405c2e31590a11c7c6d0442b36ecd3709644634cc6abeb7f16fd43e59. 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: 8


Intelligence 8 IOCs YARA 3 File information Comments

SHA256 hash: 7f02a60405c2e31590a11c7c6d0442b36ecd3709644634cc6abeb7f16fd43e59
SHA3-384 hash: 1be4f09f784386b346528880bf22903d06fcac3785981b7925f1acab839fa9b400fa4d3daf4b02fece1960cc99e2bff6
SHA1 hash: 40964873a8ec1c7118b297ab4e0d7d12792ba8c3
MD5 hash: 3866233f935ddab0f189433c1efbc921
humanhash: video-sixteen-five-foxtrot
File name:GjBQA7N9.exe
Download: download sample
Signature njrat
File size:33'280 bytes
First seen:2020-09-16 10:32:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger)
ssdeep 768:R6wdzIwwt+ui9rwHRw8ITUw3ccrfLlNr:XMguysyNTUw3cafZNr
Threatray 15 similar samples on MalwareBazaar
TLSH 66E2094C73A48A23C6BE47B85E70854207F1814B5516EFAF8EC550DA1EA7BE41E00EFB
Reporter pmelson
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
130
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Using the Windows Management Instrumentation requests
Creating a file
Creating a process from a recently created file
Creating a window
Enabling the 'hidden' option for recently created files
Creating a process with a hidden window
Connection attempt
Sending a TCP request to an infection source
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
Enabling autorun by creating a file
Enabling a "Do not show hidden files" option
Result
Threat name:
BrowserPasswordDump Tool Njrat
Detection:
malicious
Classification:
spre.phis.troj.adwa.spyw.evad
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
Antivirus detection for dropped file
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Contains functionality to steal Internet Explorer form passwords
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Injects a PE file into a foreign processes
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
Sample uses process hollowing technique
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to harvest and steal browser information (history, passwords, etc)
Tries to harvest and steal ftp login credentials
Tries to steal Instant Messenger accounts or passwords
Uses netsh to modify the Windows network and firewall settings
Writes to foreign memory regions
Yara detected BrowserPasswordDump Tool by SecurityXploded
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 286270 Sample: GjBQA7N9.exe Startdate: 16/09/2020 Architecture: WINDOWS Score: 100 44 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->44 46 Malicious sample detected (through community Yara rule) 2->46 48 Antivirus detection for dropped file 2->48 50 13 other signatures 2->50 8 GjBQA7N9.exe 3 6 2->8         started        12 Trafficzone.exe 4 2->12         started        14 Trafficzone.exe 4 2->14         started        16 Trafficzone.exe 4 2->16         started        process3 dnsIp4 42 193.161.193.99, 41511, 49732, 49733 BITREE-ASRU Russian Federation 8->42 38 C:\ProgramData\Trafficzone.exe, PE32 8->38 dropped 18 Trafficzone.exe 5 5 8->18         started        file5 process6 dnsIp7 40 127.0.0.1 unknown unknown 18->40 36 C:\...\9fa2f48a2e130cc39d419ae740e3dff4.exe, PE32 18->36 dropped 52 Antivirus detection for dropped file 18->52 54 Multi AV Scanner detection for dropped file 18->54 56 Tries to steal Instant Messenger accounts or passwords 18->56 58 9 other signatures 18->58 23 vbc.exe 2 18->23         started        26 netsh.exe 3 18->26         started        28 cmd.exe 1 18->28         started        file8 signatures9 process10 signatures11 60 Contains functionality to steal Internet Explorer form passwords 23->60 62 Tries to harvest and steal browser information (history, passwords, etc) 23->62 30 conhost.exe 23->30         started        32 conhost.exe 26->32         started        34 conhost.exe 28->34         started        process12
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2020-09-16 10:34:06 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Adds Run key to start application
Drops startup file
Loads dropped DLL
Drops startup file
Executes dropped EXE
Modifies Windows Firewall
Executes dropped EXE
Modifies Windows Firewall
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:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
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.

Web download

njrat

Executable exe 7f02a60405c2e31590a11c7c6d0442b36ecd3709644634cc6abeb7f16fd43e59

(this sample)

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