MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 03b8ca0be4a43fb9cdcc8dc6898f93a71b25412c97107b30fbfa38cc84463097. 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: 15
| SHA256 hash: | 03b8ca0be4a43fb9cdcc8dc6898f93a71b25412c97107b30fbfa38cc84463097 |
|---|---|
| SHA3-384 hash: | 0f51149d712c8326c9231135188d8c0d7cd28f8529327d887651e7c50efe2a4751a0dd5c16b36e16a9afca05f3bed65c |
| SHA1 hash: | 242b15190d06fb1c89fb35170d1f4d8ff4abdbe6 |
| MD5 hash: | 3838a96e09eb734d166f9eb0d2822f81 |
| humanhash: | romeo-leopard-november-mockingbird |
| File name: | 03B8CA0BE4A43FB9CDCC8DC6898F93A71B25412C97107.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 36'864 bytes |
| First seen: | 2022-01-14 12:36:47 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (28'877 x AgentTesla, 8'705 x Formbook, 4'202 x Loki) |
| ssdeep | 384:4eZ1TgiG1CZZfursvO6ysz0dsf76TvMb8rAF+rMRTyN/0L+EcoinblneHQM3epzx:1Z1F5Wpsz0dsmbMIrM+rMRa8Nuu2t |
| Threatray | 438 similar samples on MalwareBazaar |
| TLSH | T154F2294D7BE08168C9FD467B05B2E4130777E04B5E23DD0D8EF664AA37236C58B54AE2 |
| Reporter | @abuse_ch |
| Tags: | exe NjRAT RAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
281
Origin country :
USMail intelligence
No data
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Server.exe
Verdict:
Malicious activity
Analysis date:
2021-06-22 13:09:35 UTC
Tags:
trojan rat njrat bladabindi
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
njRat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
DNS request
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching the process to change the firewall settings
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
bladabindi cmd.exe explorer.exe fingerprint greyware keylogger netsh.exe njrat obfuscated packed rat replace.exe stealer update.exe
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.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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Detected njRat
Found malware configuration
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 submitted file
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:
2021-06-22 23:21:33 UTC
File Type:
PE (.Net Exe)
AV detection:
38 of 41 (92.68%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 428 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:hacked evasion suricata
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies Windows Firewall
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
2.tcp.ngrok.io:10778
Unpacked files
SH256 hash:
03b8ca0be4a43fb9cdcc8dc6898f93a71b25412c97107b30fbfa38cc84463097
MD5 hash:
3838a96e09eb734d166f9eb0d2822f81
SHA1 hash:
242b15190d06fb1c89fb35170d1f4d8ff4abdbe6
Detections:
win_njrat_w1
win_njrat_g1
AV coverage:
71.74%
AV detections:
33 / 46
Threat name:
Malicious File
Score:
1.00
YARA Signatures
MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.
| Rule name: | MALWARE_Win_NjRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NjRAT / Bladabindi |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_njrat_w1 |
|---|---|
| Author: | Brian Wallace @botnet_hunter <bwall@ballastsecurity.net> |
| Description: | Identify njRat |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 3.131.207.170:10778 | https://threatfox.abuse.ch/ioc/295222 |
| 3.22.53.161:10778 | https://threatfox.abuse.ch/ioc/295223 |
| 52.14.18.129:10778 | https://threatfox.abuse.ch/ioc/295224 |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Comments
Login required
You need to login to in order to write a comment. Login with your Twitter account.