MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 24a6454cbfebd84b0cfb7d0fc0ec2c7f55bd1c9c58a885149dac151d3c5f02f3. 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 26 File information Comments

SHA256 hash: 24a6454cbfebd84b0cfb7d0fc0ec2c7f55bd1c9c58a885149dac151d3c5f02f3
SHA3-384 hash: 3ee7b27855baffb3e07b7f97e81edbe217182ff5ff059fad2f777dddfbc5efa76bd33bb405e53c1a5ca9fd4791a5e2b8
SHA1 hash: 90ee1a7d39a907c0818aabc87a07de90d3a73958
MD5 hash: 5ce0e5243691b94f82a7542be0e53243
humanhash: four-wyoming-arkansas-papa
File name:5ce0e5243691b94f82a7542be0e53243.exe
Download: download sample
Signature njrat
File size:1'129'472 bytes
First seen:2025-02-24 23:45:16 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 113 x njrat, 80 x RedLineStealer)
ssdeep 24576:v0Pzhh+oPYTreyJrpBpyq/l5eXcdzURv/fjRUqH/XnOKtyK:cnbsJBt5shnfFUqfXnOKty
Threatray 389 similar samples on MalwareBazaar
TLSH T10D353336178D1F03E2C14DFA950B6F65FE4A43F20A7BEF6901993F4748628736219D61
TrID 25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
19.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.1% (.EXE) Win32 Executable (generic) (4504/4/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Magika pebin
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
147.45.219.252:5552

Indicators Of Compromise (IOCs)


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

IOCThreatFox Reference
147.45.219.252:5552 https://threatfox.abuse.ch/ioc/1430314/

Intelligence


File Origin
# of uploads :
1
# of downloads :
576
Origin country :
Vendor Threat Intelligence
Malware family:
ID:
1
File name:
5f37d210408c55b06f52b07c56b54332.exe
Verdict:
Malicious activity
Analysis date:
2025-02-25 00:19:04 UTC
Tags:
rat njrat bladabindi remote backdoor delphi antivm enigma xor-url generic

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Verdict:
Malicious
Score:
90.2%
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
Creating a window
Connection attempt
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Verdict:
Suspicious
Threat level:
  5/10
Confidence:
100%
Tags:
enigma obfuscated obfuscated packed packed packer_detected
Verdict:
Malicious
Labled as:
Trojan[Backdoor]/MSIL.Bladabindi
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:
phis.troj.adwa.evad
Score:
100 / 100
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Disables zone checking for all users
Drops PE files to the startup folder
Found malware configuration
Hides threads from debuggers
Joe Sandbox ML detected suspicious sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Protects its processes via BreakOnTermination flag
Sigma detected: Files With System Process Name In Unsuspected Locations
Sigma detected: New RUN Key Pointing to Suspicious Folder
Sigma detected: Potentially Suspicious Malware Callback Communication
Sigma detected: System File Execution Location Anomaly
Suricata IDS alerts for network traffic
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1623196 Sample: 5AiMzSs2vK.exe Startdate: 25/02/2025 Architecture: WINDOWS Score: 100 37 Suricata IDS alerts for network traffic 2->37 39 Found malware configuration 2->39 41 Malicious sample detected (through community Yara rule) 2->41 43 12 other signatures 2->43 8 5AiMzSs2vK.exe 1 3 2->8         started        12 Server.exe 1 2->12         started        14 Dllhost.exe 1 2->14         started        16 6 other processes 2->16 process3 file4 31 C:\Users\user\AppData\Local\...\Dllhost.exe, PE32 8->31 dropped 33 C:\Users\user\AppData\...\5AiMzSs2vK.exe.log, ASCII 8->33 dropped 53 Detected unpacking (changes PE section rights) 8->53 55 Detected unpacking (overwrites its own PE header) 8->55 57 Hides threads from debuggers 8->57 18 Dllhost.exe 3 4 8->18         started        59 Antivirus detection for dropped file 12->59 61 Multi AV Scanner detection for dropped file 12->61 63 Tries to detect sandboxes and other dynamic analysis tools (window names) 12->63 signatures5 process6 dnsIp7 35 147.45.219.252, 49759, 5552 FREE-NET-ASFREEnetEU Russian Federation 18->35 27 C:\Users\user\AppData\...\Java update.exe, PE32 18->27 dropped 29 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 18->29 dropped 45 Antivirus detection for dropped file 18->45 47 System process connects to network (likely due to code injection or exploit) 18->47 49 Multi AV Scanner detection for dropped file 18->49 51 5 other signatures 18->51 23 schtasks.exe 1 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Threat name:
Win32.Backdoor.njRAT
Status:
Malicious
First seen:
2025-02-22 14:11:08 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
33 of 38 (86.84%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat discovery persistence trojan
Behaviour
Scheduled Task/Job: Scheduled Task
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Njrat family
njRAT/Bladabindi
Verdict:
Malicious
Tags:
Win.Dropper.Enigmaprotector-9102419-0 bladabindi njrat
YARA:
n/a
Unpacked files
SH256 hash:
24a6454cbfebd84b0cfb7d0fc0ec2c7f55bd1c9c58a885149dac151d3c5f02f3
MD5 hash:
5ce0e5243691b94f82a7542be0e53243
SHA1 hash:
90ee1a7d39a907c0818aabc87a07de90d3a73958
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:Borland
Author:malware-lu
Rule name:DebuggerCheck__API
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EnigmaStub
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:malware_Njrat_strings
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi / NjRAT Golden
Rule name:MAL_njrat
Author:SECUINFRA Falcon Team
Rule name:MD5_Constants
Author:phoul (@phoul)
Description:Look for MD5 constants
Rule name:Multifamily_RAT_Detection
Author:Lucas Acha (http://www.lukeacha.com)
Description:Generic Detection for multiple RAT families, PUPs, Packers and suspicious executables
Rule name:NET
Author:malware-lu
Rule name:NETexecutableMicrosoft
Author:malware-lu
Rule name:Njrat
Author:botherder https://github.com/botherder
Description:Njrat
Rule name:pe_imphash
Rule name:RIPEMD160_Constants
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SHA1_Constants
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
Rule name:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_In_EXE
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Sus_Obf_Enc_Spoof_Hide_PE
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:test_Malaysia
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:ThreadControl__Context
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Njrat_30f3c220

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
CHECK_NXMissing Non-Executable Memory Protectioncritical
Reviews
IDCapabilitiesEvidence
SHELL_APIManipulates System Shellshell32.dll::ShellExecuteA
WIN_BASE_APIUses Win Base APIkernel32.dll::LoadLibraryA
WIN_BASE_IO_APICan Create Filesversion.dll::GetFileVersionInfoA

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