MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b71723aa5fc1153d43c609e12a68182f8d5216b9bfde70a3342562ffe59867a3. 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: 9
| SHA256 hash: | b71723aa5fc1153d43c609e12a68182f8d5216b9bfde70a3342562ffe59867a3 |
|---|---|
| SHA3-384 hash: | 073c0709826a46a23e9538f0e2fc8268e1c8a2a2afbf6bb36a5ed2f0b2a52ef32a896d4a352ad9bfd78feec548cc0271 |
| SHA1 hash: | ce19494b18ab28b6c8e50e9323a55a1f9e2eb5a8 |
| MD5 hash: | a669ca52229633af0ae7b5a3fb203e68 |
| humanhash: | november-blue-seven-double |
| File name: | a669ca52229633af0ae7b5a3fb203e68.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 44'032 bytes |
| First seen: | 2021-05-18 21:10:25 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'661 x AgentTesla, 19'474 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 384:uZy3QNU1SoycwJGdRbWhYY06o2ErvhY8Gzz0Iij+ZsNO3PlpJKkkjh/TzF7pWnUV:UTqglcwJstXpZYHuXQ/oB/+L |
| Threatray | 77 similar samples on MalwareBazaar |
| TLSH | 4013E88CB794E174D5FF8BF1B492B2890B71A01BA902930F99F154D94B73EC09611EE7 |
| 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 |
|---|---|
| 3.131.147.49:19882 | https://threatfox.abuse.ch/ioc/48082/ |
| 3.133.207.110:19882 | https://threatfox.abuse.ch/ioc/48083/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
246
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
a669ca52229633af0ae7b5a3fb203e68.exe
Verdict:
Malicious activity
Analysis date:
2021-05-18 21:12:41 UTC
Tags:
n/a
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
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.
Malware family:
njRAT
Verdict:
Malicious
Result
Threat name:
njRat
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Detected njRat
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
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
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
Gathering data
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-05-18 02:57:40 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
unknown
Similar samples:
+ 67 additional samples on MalwareBazaar
Result
Malware family:
n/a
Score:
8/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
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
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: | pe_imphash |
|---|
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | Skystars_LightDefender_Njrat_Rule |
|---|---|
| Author: | Skystars LightDefender |
| Description: | Detects Njrat |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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