MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 b97bd972288c26f8eb5b51e18bbae753ddae9a8cd2720fa45a975e764a25efaa. 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: | b97bd972288c26f8eb5b51e18bbae753ddae9a8cd2720fa45a975e764a25efaa |
|---|---|
| SHA3-384 hash: | 77a5a23e65b471b4c48f9c7678931d867967edb48680ddbc01e2ae9315582c3dc43cb2059971d8bcd9cae387d0cc28bf |
| SHA1 hash: | 73c0bc4f715239066439d739b49d30bc35161192 |
| MD5 hash: | 1c63df2fa35958383ff7da1a798eb37d |
| humanhash: | beer-maryland-jupiter-south |
| File name: | 1C63DF2FA35958383FF7DA1A798EB37D.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 322'974 bytes |
| First seen: | 2021-05-05 21:10:43 UTC |
| Last seen: | 2021-05-05 22:12:52 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 3072:luGA8NN2YtL3KL97kT89y81o1oFPhwhyCq7UvGoyb+Nb3wqrZnCHWIQU77mSYKem:D9NN2YtS1orvG+ZAi8HWe7mSegZ86tt |
| Threatray | 39 similar samples on MalwareBazaar |
| TLSH | CB646B4B31DE5FE2C2EA1B3A44E5163C1B6CE711C6CAF38F11410CF96C46BA6C9A1E56 |
| 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 |
|---|---|
| 141.255.152.35:3000 | https://threatfox.abuse.ch/ioc/29462/ |
Intelligence
File Origin
# of uploads :
3
# of downloads :
131
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Sending a UDP request
Creating a file in the %AppData% directory
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
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
.NET source code contains potential unpacker
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 dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Trojan.Wacatac
Status:
Malicious
First seen:
2021-05-03 07:14:21 UTC
AV detection:
25 of 29 (86.21%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
suspicious
Similar samples:
+ 29 additional samples on MalwareBazaar
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
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
129a3f029400febfaa7eb1db57c41b653487b40e81665e166211eab1817ec1e9
MD5 hash:
6bd692bb467acca7bf8291332851af8b
SHA1 hash:
5174d1a22a54ebbd31a0b6647193766cfa926944
Detections:
win_njrat_w1
win_njrat_g1
SH256 hash:
b97bd972288c26f8eb5b51e18bbae753ddae9a8cd2720fa45a975e764a25efaa
MD5 hash:
1c63df2fa35958383ff7da1a798eb37d
SHA1 hash:
73c0bc4f715239066439d739b49d30bc35161192
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: | INDICATOR_EXE_Packed_SmartAssembly |
|---|---|
| Author: | ditekSHen |
| Description: | Detects executables packed with SmartAssembly |
| 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):
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0) [B0009] Anti-Behavioral Analysis::Virtual Machine Detection