MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 c7b4072d1237617b13a7613c46e5a4b63bd8e09b7c9eba9409133fdd0aee7b10. 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: | c7b4072d1237617b13a7613c46e5a4b63bd8e09b7c9eba9409133fdd0aee7b10 |
|---|---|
| SHA3-384 hash: | 822fea30f59894c748122ae59e678f53b5fd8b807a185323dd713c96621ced55b12434b619914988202bcadf4fe3573c |
| SHA1 hash: | ca8340a2f0fcad2bf868935bf78cc2f36993bca2 |
| MD5 hash: | a028bef15a742cfe213b5ad5e4630858 |
| humanhash: | iowa-hamper-glucose-lemon |
| File name: | host.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 37'888 bytes |
| First seen: | 2024-03-03 18:59:38 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger) |
| ssdeep | 384:rmZ+vEiTbZvpWNcZ0y8f1CRDX5CLk6SiUrAF+rMRTyN/0L+EcoinblneHQM3epzs:K+dTZ38f1CRDcNSHrM+rMRa8Nup2vtt |
| Threatray | 1'488 similar samples on MalwareBazaar |
| TLSH | T16C032A4D7FE18168C5FD067B05B2D412077AE04B6E23D91E8EF664EA37636C18B50AF2 |
| TrID | 60.4% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13) 10.8% (.SCR) Windows screen saver (13097/50/3) 8.7% (.EXE) Win64 Executable (generic) (10523/12/4) 5.4% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2) 4.1% (.EXE) Win16 NE executable (generic) (5038/12/1) |
| Reporter |  smica83 |
| Tags: | exe NjRAT UKR |
Intelligence
File Origin
# of uploads :
1
# of downloads :
590
Origin country :
HUVendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:
Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Creating a window
Searching for synchronization primitives
Connection attempt to an infection source
Launching the process to change the firewall settings
Query of malicious DNS domain
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
keylogger njrat rat
Verdict:
Malicious
Labled as:
Trojan.Generic
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:
Mimikatz
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
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
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
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Score:
100%
Verdict:
Malware
File Type:
PE
Threat name:
ByteCode-MSIL.Backdoor.Ratenjay
Status:
Malicious
First seen:
2024-03-03 19:00:05 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 1'478 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:hacked evasion
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Legitimate hosting services abused for malware hosting/C2
Modifies Windows Firewall
Malware Config
C2 Extraction:
7.tcp.eu.ngrok.io:15966
Unpacked files
SH256 hash:
c7b4072d1237617b13a7613c46e5a4b63bd8e09b7c9eba9409133fdd0aee7b10
MD5 hash:
a028bef15a742cfe213b5ad5e4630858
SHA1 hash:
ca8340a2f0fcad2bf868935bf78cc2f36993bca2
Detections:
NjRat
win_njrat_w1
win_njrat_g1
MALWARE_Win_NjRAT
Malware family:
njRAT
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
0.97
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: | Disable_Defender |
|---|---|
| Author: | iam-py-test |
| Description: | Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen |
| Rule name: | MALWARE_Win_NjRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NjRAT / Bladabindi / NjRAT Golden |
| Rule name: | NETexecutableMicrosoft |
|---|---|
| Author: | malware-lu |
| Rule name: | Njrat |
|---|---|
| Author: | botherder https://github.com/botherder |
| Description: | Njrat |
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | SUSP_netsh_firewall_command |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Rule name: | SUSP_Ngrok_URL |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Description: | Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel |
| Rule name: | Windows_Trojan_Njrat_30f3c220 |
|---|
| Rule name: | Windows_Trojan_Njrat_30f3c220 |
|---|---|
| Author: | Elastic Security |
| Rule name: | win_njrat_w1 |
|---|---|
| Author: | Brian Wallace @botnet_hunter <bwall@ballastsecurity.net> |
| Description: | Identify njRat |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
No further information available
BLint
The following table provides more information about this file using BLint. BLint is a Binary Linter to check the security properties, and capabilities in executables.
Findings
| ID | Title | Severity |
|---|---|---|
| CHECK_AUTHENTICODE | Missing Authenticode | high |
| CHECK_DLL_CHARACTERISTICS | Missing dll Security Characteristics (HIGH_ENTROPY_VA) | high |
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