MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 ca4565f6d34227c8a57904ffcfd3c6c068ae5483bad28bb104c58ab569511c35. 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
| SHA256 hash: | ca4565f6d34227c8a57904ffcfd3c6c068ae5483bad28bb104c58ab569511c35 |
|---|---|
| SHA3-384 hash: | ce4bd0c6a3b51cf9df77093c60a41c560c8642feb19302e95a60c43a3bb2160fb13b660adb33048c1eb923256dc2b1c9 |
| SHA1 hash: | 4b426cff0da5ab180d60506fabf750417b4350f7 |
| MD5 hash: | a3e0e6ed6f8b4c263bda8c9d20ddcfc0 |
| humanhash: | illinois-eleven-fifteen-violet |
| File name: | ca4565f6d34227c8a57904ffcfd3c6c068ae5483bad28bb104c58ab569511c35 |
| Download: | download sample |
| Signature | njrat |
| File size: | 79'872 bytes |
| First seen: | 2021-02-23 14:30:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'660 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 1536:lFv+9A5cDpvS5wpOk3JCK6pFo7Tf6fOpd/9nEh9TGNdJR:4QwpOk5CK6rO/9ESNdJ |
| Threatray | 13 similar samples on MalwareBazaar |
| TLSH | 36733A4877F54A12D1FF0EB5897292220B35FC075A26F66D09D174AA5FB36C08A09FB3 |
| Reporter |  JAMESWT_WT |
| Tags: | NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
120
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Sending a UDP request
Launching a process
Creating a process with a hidden window
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Deleting a recently created file
Creating a window
DNS request
Unauthorized injection to a recently created process
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Enabling a "Do not show hidden files" option
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:
Njrat
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 the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Drops PE files to the startup folder
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Uses dynamic DNS services
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-02-22 01:25:28 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
26 of 29 (89.66%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 3 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
ca4565f6d34227c8a57904ffcfd3c6c068ae5483bad28bb104c58ab569511c35
MD5 hash:
a3e0e6ed6f8b4c263bda8c9d20ddcfc0
SHA1 hash:
4b426cff0da5ab180d60506fabf750417b4350f7
Detections:
win_njrat_g1
win_njrat_w1
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
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: | CAP_HookExKeylogger |
|---|---|
| Author: | Brian C. Bell -- @biebsmalwareguy |
| Reference: | https://github.com/DFIRnotes/rules/blob/master/CAP_HookExKeylogger.yar |
| 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: | INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer |
|---|---|
| Author: | ditekSHen |
| Description: | detects Windows exceutables potentially bypassing UAC using eventvwr.exe |
| 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: | Select_from_enumeration |
|---|---|
| Author: | James_inthe_box |
| Description: | IP and port combo |
| 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.
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