MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c7b54cc4aa3d4b08652359ddb2e8b0d91ccd6d0a01c7a34eb527fde4f0f44957. 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: | c7b54cc4aa3d4b08652359ddb2e8b0d91ccd6d0a01c7a34eb527fde4f0f44957 |
|---|---|
| SHA3-384 hash: | d36cc8b5cd0869dec9673ae8c2973967140f9e97e37005a1353fdfa0a21190a7737980adb7a9e00a7baf40f6cc6c246c |
| SHA1 hash: | 51dc538c39aa0e7f9ae0c0ed1f5f352dab3e02b2 |
| MD5 hash: | 92c946d517f15d046a3925ea0444edd1 |
| humanhash: | cup-washington-nitrogen-monkey |
| File name: | 92C946D517F15D046A3925EA0444EDD1.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 37'888 bytes |
| First seen: | 2021-04-01 03:47:54 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'663 x AgentTesla, 19'478 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 384:jEick7sgwi+tx3+j/NSyszg8QPBI3mmTlrAF+rMRTyN/0L+EcoinblneHQM3epzK:I5kQLCNhszg8QeWmBrM+rMRa8NugFt |
| Threatray | 177 similar samples on MalwareBazaar |
| TLSH | AA032A4D7FE18168C5FD167B06B2D4120BBAE14F6E23D90E8EE1649A37736C18B50AF1 |
| Reporter |  abuse_ch |
| Tags: | exe NjRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 13.58.157.220:17549 | https://threatfox.abuse.ch/ioc/6343/ |
| 3.142.129.56:17549 | https://threatfox.abuse.ch/ioc/6344/ |
| 3.19.130.43:17549 | https://threatfox.abuse.ch/ioc/6345/ |
| 3.142.81.166:17549 | https://threatfox.abuse.ch/ioc/6346/ |
| 3.142.167.4:17549 | https://threatfox.abuse.ch/ioc/6347/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
143
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Server.exe
Verdict:
Malicious activity
Analysis date:
2021-03-27 12:49:25 UTC
Tags:
rat njrat bladabindi trojan
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a process with a hidden window
Enabling the 'hidden' option for analyzed file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a window
Using the Windows Management Instrumentation requests
Searching for the window
DNS request
Sending a custom TCP request
Sending a UDP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Launching a tool to kill processes
Creating a file in the mass storage device
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
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:
spre.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
Connects to many ports of the same IP (likely port scanning)
Contains functionality to log keystrokes (.Net Source)
Creates autorun.inf (USB autostart)
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
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:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-03-28 10:47:27 UTC
AV detection:
28 of 29 (96.55%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 167 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
evasion persistence
Behaviour
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops autorun.inf file
Adds Run key to start application
Drops startup file
Modifies Windows Firewall
Unpacked files
SH256 hash:
c7b54cc4aa3d4b08652359ddb2e8b0d91ccd6d0a01c7a34eb527fde4f0f44957
MD5 hash:
92c946d517f15d046a3925ea0444edd1
SHA1 hash:
51dc538c39aa0e7f9ae0c0ed1f5f352dab3e02b2
Detections:
win_njrat_w1
win_njrat_g1
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: | 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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