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


Intelligence 15 IOCs 3 YARA 4 File information Comments

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:Executable 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


Twitter
@abuse_ch
njrat C2:
3.131.207.170:10778

Intelligence


File Origin
# of uploads :
1
# of downloads :
281
Origin country :
US US
Mail 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
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
–°reating 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.
Result
Threat name:
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
Result
Malware family:
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

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.

IOCThreatFox 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