MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 47342de45e34a284c82ec4c391e918f7231ed46b70f710ff4f3a3a3988cc4afe. 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: 19


Intelligence 19 IOCs YARA 18 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 47342de45e34a284c82ec4c391e918f7231ed46b70f710ff4f3a3a3988cc4afe
SHA3-384 hash: f8ae575760aa0570ff9c47dd22067fb99a04c75f7f0c7ad6fde8ea719e634b27cd24ee922e15348de60ff3bad549a3e9
SHA1 hash: 221a9ee8a2790bc0867066f65c2c22ae41f7bf4b
MD5 hash: 1e187a967187421b46649529e4d293d6
humanhash: winner-lamp-vegan-massachusetts
File name:Server.exe
Download: download sample
Signature njrat
Create hunting rule
File size:24'064 bytes
First seen:2025-02-14 04:23:00 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'666 x AgentTesla, 19'479 x Formbook, 12'209 x SnakeKeylogger)
ssdeep 384:2c6ze6e1PAhJVzC3tC1im/BsTx46PgZ0rap9HBmRvR6JZlbw8hqIusZzZvM:ue9EJLN/yRpcnuH
TLSH T174B2190E3FB98856C5BC177486A5965003B491870423EE2FCCC564CBAFB3BD92D48AF9
TrID 66.5% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.5% (.EXE) Win64 Executable (generic) (10522/11/4)
5.9% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.5% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.0% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter zhuzhu0009
Tags:exe NjRAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
573
Origin country :
JP JP
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
Server.exe
Verdict:
Malicious activity
Analysis date:
2025-02-14 02:28:29 UTC
Tags:
njrat rat bladabindi remote backdoor
Link:
https://app.any.run/tasks/3b3cff2d-6fa4-4f9b-9fc5-b7d0df364aad

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Generic-9795615-0
Create hunting rule

Win.Packed.Generic-9795616-0
Create hunting rule

Win.Dropper.njRAT-10015886-0
Create hunting rule

Win.Dropper.Nanocore-10030076-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Packed.Bladabindi-6804148-0
Create hunting rule

Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
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Win.Trojan.Bladabindi-6192388-0
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Win.Packed.Bladabindi-6917466-0
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67aec54da0fd713c335ac951
Tags:
bladabindi njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a process with a hidden window
Creating a window
Creating a file
Searching for synchronization primitives
Connection attempt
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
cmd config-extracted fingerprint lolbin netsh njrat njrat obfuscated obfuscated rat vbnet windows
Link:
https://www.filescan.io/uploads/67aec54441f6d21e6a3b03e8/reports/52a55b77-bba3-4072-85bb-c1a41a404369/overview
Verdict:
Malicious
Labled as:
Trojan.Generic
Link:
https://www.hybrid-analysis.com/sample/47342de45e34a284c82ec4c391e918f7231ed46b70f710ff4f3a3a3988cc4afe
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.
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/4d0c2eed-43e8-4ee8-979b-9e010106f7ff
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1614797
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)
Creates autostart registry keys with suspicious names
Disables zone checking for all users
Found malware configuration
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Multi AV Scanner detection for submitted file
Sigma detected: Potentially Suspicious Malware Callback Communication
Suricata IDS alerts for network traffic
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1614797 Sample: Server.exe Startdate: 14/02/2025 Architecture: WINDOWS Score: 100 26 Suricata IDS alerts for network traffic 2->26 28 Found malware configuration 2->28 30 Malicious sample detected (through community Yara rule) 2->30 32 9 other signatures 2->32 7 Server.exe 5 4 2->7         started        11 Server.exe 3 2->11         started        14 Server.exe 2 2->14         started        16 Server.exe 2 2->16         started        process3 dnsIp4 24 65.109.115.25, 49731, 49738, 49739 ALABANZA-BALTUS United States 7->24 34 Disables zone checking for all users 7->34 36 Creates autostart registry keys with suspicious names 7->36 38 Uses netsh to modify the Windows network and firewall settings 7->38 40 Modifies the windows firewall 7->40 18 netsh.exe 2 7->18         started        22 C:\Users\user\AppData\...\Server.exe.log, ASCII 11->22 dropped file5 signatures6 process7 process8 20 conhost.exe 18->20         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/47342de45e34a284c82ec4c391e918f7231ed46b70f710ff4f3a3a3988cc4afe
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/47342de45e34a284c82ec4c391e918f7231ed46b70f710ff4f3a3a3988cc4afe/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-02-14 04:23:36 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=i42c3zc6gsrijsboytbzd2iy64rr5vdlod3rb72phi5dtcgmjl7a._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Similar samples:
error
njrat
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat botnet:hacked defense_evasion discovery persistence privilege_escalation trojan
Link:
https://tria.ge/reports/250214-ez3ekssnhx/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
System Network Configuration Discovery: Internet Connection Discovery
Adds Run key to start application
Downloads MZ/PE file
Modifies Windows Firewall
Njrat family
njRAT/Bladabindi
Malware Config
C2 Extraction:
65.109.115.25:5552
Verdict:
Malicious
Tags:
rat njrat Win.Packed.Generic-9795615-0 bladabindi
YARA:
malware_Njrat_strings win_njrat_strings_oct_2023 Windows_Trojan_Njrat_30f3c220 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat
Link:
https://app.threat.zone/submission/7eb2becf-c1e9-4595-b9c1-1db2a1fd5ed5
Unpacked files
SH256 hash:
47342de45e34a284c82ec4c391e918f7231ed46b70f710ff4f3a3a3988cc4afe
MD5 hash:
1e187a967187421b46649529e4d293d6
SHA1 hash:
221a9ee8a2790bc0867066f65c2c22ae41f7bf4b
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
NjRat
Create hunting rule
Link:
https://www.unpac.me/results/abd59f1a-15ec-4cf2-aae6-0d29b54b2f9f/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/47342de45e34/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/47342de45e34a284c82ec4c391e918f7231ed46b70f710ff4f3a3a3988cc4afe

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:CN_disclosed_20180208_c
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:malware_Njrat_strings
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:NETexecutableMicrosoft
Create hunting rule
Author:malware-lu
Rule name:Njrat
Create hunting rule
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_netsh_firewall_command
Create hunting rule
Author:SECUINFRA Falcon Team
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:win_njrat_bytecodes_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:win_njrat_strings_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research
Rule name:win_njrat_w1
Create hunting rule
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.

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
IDTitleSeverity
CHECK_AUTHENTICODEMissing Authenticodehigh
CHECK_DLL_CHARACTERISTICSMissing dll Security Characteristics (HIGH_ENTROPY_VA)high

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