MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 879b9e76f77d42573e5a683277f234acdedc05ecc865bf843399af5b07c4cbe5. 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: 10
| SHA256 hash: | 879b9e76f77d42573e5a683277f234acdedc05ecc865bf843399af5b07c4cbe5 |
|---|---|
| SHA3-384 hash: | 7a8698c2cd374919ff68793d1afcf2338a33fa49b53a1192bf2d37429b8adfed6f50a0d34c11aa0e4dc36b1f455c2d93 |
| SHA1 hash: | 48e7db61c4d838a29db1569913bc47949231f139 |
| MD5 hash: | 2bce54848c09beb385f495bed8bcd12d |
| humanhash: | johnny-cat-louisiana-princess |
| File name: | 879B9E76F77D42573E5A683277F234ACDEDC05ECC865B.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 4'936'192 bytes |
| First seen: | 2021-05-19 17:55:24 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'606 x Formbook, 12'242 x SnakeKeylogger) |
| ssdeep | 98304:Tow77BuoMJ3CqcOGAQzIaIdYHIf1M0ANhMosnfEPyobZm02VkjMgOxK:/79uD3MIDCHIfShrsnfEHZjIkjA0 |
| TLSH | 003602297634D610CAD42637C5EA003453A19CDE3A22D20F5D997EA83FBEB97DB0ED44 |
| 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 |
|---|---|
| 91.109.190.8:1177 | https://threatfox.abuse.ch/ioc/48739/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
212
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
879B9E76F77D42573E5A683277F234ACDEDC05ECC865B.exe
Verdict:
Malicious activity
Analysis date:
2021-05-19 18:04:54 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
Using the Windows Management Instrumentation requests
DNS request
Sending a UDP request
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
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
Sending a TCP request to an infection source
Enabling autorun by creating a 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:
troj.adwa.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Drops PE files to the startup folder
Found malware configuration
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
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:
2021-03-15 23:46:26 UTC
File Type:
PE (.Net Exe)
Extracted files:
19
AV detection:
21 of 29 (72.41%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
unknown
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat evasion persistence trojan
Behaviour
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
Modifies Windows Firewall
njRAT/Bladabindi
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Kryptik
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: | pe_imphash |
|---|
| 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.
Comments
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MBC behaviors list (github.com/accidentalrebel/mbcscan):
============================================================
0) [B0009.029] Anti-Behavioral Analysis::Instruction Testing
1) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection