MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 56b3ddac0c8b5d6e4e31c452a200baf843acd84d174d05db0317f28f79b4f9cd. 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: 17


Intelligence 17 IOCs 1 YARA 22 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 56b3ddac0c8b5d6e4e31c452a200baf843acd84d174d05db0317f28f79b4f9cd
SHA3-384 hash: b9b4d6cbe20851e9b6ab9e783fc60ba3d4083f27f5c0880cbdb6625477bb1ae7b6023da5a181ac35c903d33f05cf4db2
SHA1 hash: 5f1aae9f6368528637e5ff05562366b306456d80
MD5 hash: 0b06ffc35e57fa882d381e2516890367
humanhash: cardinal-arkansas-zebra-mockingbird
File name:0b06ffc35e57fa882d381e2516890367.exe
Download: download sample
Signature njrat
Create hunting rule
File size:95'232 bytes
First seen:2025-01-07 22:55:18 UTC
Last seen:2025-01-08 10:02:36 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'744 x AgentTesla, 19'610 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 1536:EgxOx6baIa9RZj00ljEwzGi1dDzDAegS:EgxbaIa93jNSi1dzAD
TLSH T1A893E84977E52524E5BF56F79871F2004E34B48B1602E39D48F219AA1B33AC44F89FEB
TrID 67.7% (.EXE) Generic CIL Executable (.NET, Mono, etc.) (73123/4/13)
9.7% (.EXE) Win64 Executable (generic) (10522/11/4)
6.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
4.6% (.EXE) Win16 NE executable (generic) (5038/12/1)
4.1% (.EXE) Win32 Executable (generic) (4504/4/1)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
77.90.22.45:3333

Indicators Of Compromise (IOCs)

Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
77.90.22.45:3333 https://threatfox.abuse.ch/ioc/1379505/

Intelligence

File Origin
# of uploads :
2
# of downloads :
524
Origin country :
NL NL
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
0b06ffc35e57fa882d381e2516890367.exe
Verdict:
Malicious activity
Analysis date:
2025-01-07 22:59:27 UTC
Tags:
rat njrat bladabindi remote
Link:
https://app.any.run/tasks/f1937ff3-9809-4d32-8362-f249034b31f5

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.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.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Verdict:
Malicious
Score:
99.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=677db1d9ffdcee13ec8679fa
Tags:
autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Creating a window
Creating a file in the %AppData% directory
Creating a process with a hidden window
Creating a file in the Windows subdirectories
Creating a file in the Program Files subdirectories
Creating a file
Launching the process to change network settings
Searching for synchronization primitives
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Launching the process to change the firewall settings
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm cmd evasive explorer fingerprint keylogger lolbin msconfig netsh njrat rat rundll32 schtasks update vbnet windows winnti
Link:
https://www.filescan.io/uploads/677db1045fa77d8e98aca3ff/reports/fb1353b4-fef5-4045-bf77-740d21e73c1e/overview
Verdict:
Malicious
Labled as:
MSIL.Krypt.Generic
Link:
https://www.hybrid-analysis.com/sample/56b3ddac0c8b5d6e4e31c452a200baf843acd84d174d05db0317f28f79b4f9cd
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/5c121a4d-b522-4866-ac4a-0b1d4e867c36
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
spre.phis.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1585656
Signature
.NET source code contains potential unpacker
AI detected suspicious sample
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to disable the Task Manager (.Net Source)
Contains functionality to spread to USB devices (.Net source)
Disables zone checking for all users
Drops PE files to the document folder of the user
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
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: 1585656 Sample: Vhl3X1aYeU.exe Startdate: 07/01/2025 Architecture: WINDOWS Score: 100 36 Suricata IDS alerts for network traffic 2->36 38 Found malware configuration 2->38 40 Malicious sample detected (through community Yara rule) 2->40 42 11 other signatures 2->42 7 Vhl3X1aYeU.exe 1 24 2->7         started        12 Explower.exe 3 2->12         started        process3 dnsIp4 34 77.90.22.45, 3333, 49730 ASGHOSTNETDE Germany 7->34 26 C:\Windows\SysWOW64xplower.exe, PE32 7->26 dropped 28 C:\Users\user\Favoritesxplower.exe, PE32 7->28 dropped 30 C:\Users\user\Documentsxplower.exe, PE32 7->30 dropped 32 7 other malicious files 7->32 dropped 44 Drops PE files to the document folder of the user 7->44 46 Disables zone checking for all users 7->46 48 Drops PE files to the startup folder 7->48 50 2 other signatures 7->50 14 netsh.exe 2 7->14         started        16 netsh.exe 2 7->16         started        18 netsh.exe 2 7->18         started        file5 signatures6 process7 process8 20 conhost.exe 14->20         started        22 conhost.exe 16->22         started        24 conhost.exe 18->24         started       
Score:
100%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/56b3ddac0c8b5d6e4e31c452a200baf843acd84d174d05db0317f28f79b4f9cd
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/56b3ddac0c8b5d6e4e31c452a200baf843acd84d174d05db0317f28f79b4f9cd/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-01-07 02:01:41 UTC
File Type:
PE (.Net Exe)
AV detection:
24 of 24 (100.00%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=k2z53lamrnow4trryrjkeaf27bb2zwcnc5gqlwydc7zi66nu7hgq._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 discovery evasion persistence privilege_escalation
Link:
https://tria.ge/reports/250107-2wnhkssndy/
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Suspicious behavior: EnumeratesProcesses
Event Triggered Execution: Netsh Helper DLL
System Location Discovery: System Language Discovery
Drops file in Program Files directory
Drops file in System32 directory
Drops startup file
Modifies Windows Firewall
Malware Config
C2 Extraction:
hakim32.ddns.net:2000
77.90.22.45:3333
Verdict:
Malicious
Tags:
rat njrat bladabindi Win.Packed.Generic-9795615-0
YARA:
malware_Njrat_strings win_njrat_strings_oct_2023 Windows_Trojan_Njrat_30f3c220 Windows_Trojan_Njrat_eb2698d2 MAL_Njrat MALWARE_Win_NjRAT JPCERTCC_Njrat
Link:
https://app.threat.zone/submission/11a8a759-d885-4b37-8ce8-1b6a2016d07b
Unpacked files
SH256 hash:
56b3ddac0c8b5d6e4e31c452a200baf843acd84d174d05db0317f28f79b4f9cd
MD5 hash:
0b06ffc35e57fa882d381e2516890367
SHA1 hash:
5f1aae9f6368528637e5ff05562366b306456d80
Link:
https://www.unpac.me/results/5858bc15-c82f-46d0-b513-12fae47ff71d/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/56b3ddac0c8b/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.

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:Detect_PowerShell_Obfuscation
Create hunting rule
Author:daniyyell
Description:Detects obfuscated PowerShell commands commonly used in malicious scripts.
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:MAL_Winnti_Sample_May18_1
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:MAL_Winnti_Sample_May18_1_RID3003
Create hunting rule
Author:Florian Roth
Description:Detects malware sample from Burning Umbrella report - Generic Winnti Rule
Reference:https://401trg.pw/burning-umbrella/
Rule name:Mal_WIN_NjRAT_RAT_PE
Create hunting rule
Author:Phatcharadol Thangplub
Description:Use to detect NjRAT implant.
Rule name:Multifamily_RAT_Detection
Create hunting rule
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
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:Windows_Trojan_Njrat_eb2698d2
Create hunting rule
Author:Elastic Security
Rule name:win_njrat_strings_oct_2023
Create hunting rule
Author:Matthew @ Embee_Research

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Web download

njrat

Executable exe 56b3ddac0c8b5d6e4e31c452a200baf843acd84d174d05db0317f28f79b4f9cd

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3393042/
  
Delivery method
Distributed via web download

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

Comments