MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 5306d7ecaf0da530dc78430e89cf4600c6c5bd5030b33018934e5365c36e4866. 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: 16


Intelligence 16 IOCs 1 YARA 28 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 5306d7ecaf0da530dc78430e89cf4600c6c5bd5030b33018934e5365c36e4866
SHA3-384 hash: a218242c89775352c6970e833dfe77342e4143d9b269bb01ef4140ca1678ba8424c83689e15f5cd79e9bb985923fca66
SHA1 hash: 93419c92542b9e54d16daf6563bce75a922e1afa
MD5 hash: 5f37d210408c55b06f52b07c56b54332
humanhash: happy-utah-finch-item
File name:5f37d210408c55b06f52b07c56b54332.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'589'082 bytes
First seen:2025-02-24 23:40:14 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 7e0a0e8f80bbd1a9c0078e57256f1c3d (5 x GCleaner, 4 x LummaStealer, 3 x CoinMiner)
ssdeep 49152:+gqKIXzHU/CU0pLvA3XHjEJaqEOzudmnf:+zI/J6A3XHjERrf
TLSH T11A750209EBA804F8E077E17889664943E3767C4E4771D6CF13A966522F272B09E3DB21
TrID 48.7% (.EXE) Win64 Executable (generic) (10522/11/4)
23.3% (.EXE) Win16 NE executable (generic) (5038/12/1)
9.3% (.EXE) OS/2 Executable (generic) (2029/13)
9.2% (.EXE) Generic Win/DOS Executable (2002/3)
9.2% (.EXE) DOS Executable Generic (2000/1)
Magika pebin
dhash icon 9494b494d4aeaeac (832 x DCRat, 172 x RedLineStealer, 134 x CryptOne)
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 :
486
Origin country :
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
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
Link:
https://app.any.run/tasks/a7bb6eb8-bb3d-4cfb-b453-26ab3213ef8f

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection(s):
Win.Packed.Bladabindi-10017056-0
Create hunting rule

Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=67bd036228ab76d43a5cef80
Tags:
bladabindi autorun njrat
Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a window
Searching for the window
Сreating synchronization primitives
Searching for synchronization primitives
Creating a file in the %temp% subdirectories
Creating a process from a recently created file
Searching for analyzing tools
Creating a file
Launching a process
Creating a process with a hidden window
Enabling the 'hidden' option for files in the %temp% directory
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:
Likely Malicious
Threat level:
  7.5/10
Confidence:
100%
Tags:
anti-vm dllhost fingerprint installer lolbin microsoft_visual_cc obfuscated overlay packed packed packer_detected sfx
Link:
https://www.filescan.io/uploads/67bd03966222db7f23da7980/reports/fe3ea9eb-a8b8-4f3d-a282-596b1cd455dc/overview
Verdict:
Malicious
Labled as:
Win/malicious_confidence_90%
Link:
https://www.hybrid-analysis.com/sample/5306d7ecaf0da530dc78430e89cf4600c6c5bd5030b33018934e5365c36e4866
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:
Suspicious
Link:
https://analyze.intezer.com/analyses/eebce627-0267-4882-b0c2-461fff25c7e5
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
phis.troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1623194
Signature
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:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1623194 Sample: L9jOvBZEo1.exe Startdate: 25/02/2025 Architecture: WINDOWS Score: 100 44 Suricata IDS alerts for network traffic 2->44 46 Found malware configuration 2->46 48 Malicious sample detected (through community Yara rule) 2->48 50 12 other signatures 2->50 9 L9jOvBZEo1.exe 9 2->9         started        12 Server.exe 1 2->12         started        15 Java update.exe 1 2->15         started        17 2 other processes 2->17 process3 file4 40 C:\Users\user\AppData\Local\...\Dllhost.exe, PE32 9->40 dropped 19 Dllhost.exe 1 3 9->19         started        68 Antivirus detection for dropped file 12->68 70 Multi AV Scanner detection for dropped file 12->70 72 Detected unpacking (changes PE section rights) 12->72 74 Hides threads from debuggers 15->74 signatures5 process6 file7 34 C:\Users\user\AppData\Local\...\Dllhost.exe, PE32 19->34 dropped 52 Antivirus detection for dropped file 19->52 54 Multi AV Scanner detection for dropped file 19->54 56 Detected unpacking (changes PE section rights) 19->56 58 2 other signatures 19->58 23 Dllhost.exe 3 4 19->23         started        28 conhost.exe 19->28         started        signatures8 process9 dnsIp10 42 147.45.219.252, 49732, 5552 FREE-NET-ASFREEnetEU Russian Federation 23->42 36 C:\Users\user\AppData\...\Java update.exe, PE32 23->36 dropped 38 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 23->38 dropped 60 Antivirus detection for dropped file 23->60 62 System process connects to network (likely due to code injection or exploit) 23->62 64 Multi AV Scanner detection for dropped file 23->64 66 5 other signatures 23->66 30 schtasks.exe 1 23->30         started        file11 signatures12 process13 process14 32 conhost.exe 30->32         started       
Score:
90%
Verdict:
Malware
File Type:
PE
Link:
https://malprob.io/report/5306d7ecaf0da530dc78430e89cf4600c6c5bd5030b33018934e5365c36e4866
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/5306d7ecaf0da530dc78430e89cf4600c6c5bd5030b33018934e5365c36e4866/
Threat name:
ByteCode-MSIL.Backdoor.njRAT
Create hunting rule
Status:
Malicious
First seen:
2025-02-22 14:10:21 UTC
File Type:
PE+ (Exe)
Extracted files:
19
AV detection:
25 of 38 (65.79%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=kmdnp3fpbwstbxdyimhitt2gaddmlpkqgcztagetjzjwlq3ojbta._file
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat discovery persistence trojan
Link:
https://tria.ge/reports/250224-3pgbcsvlz4/
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.Packed.Bladabindi-10017056-0 bladabindi njrat
YARA:
n/a
Link:
https://app.threat.zone/submission/ae5aa044-ad40-448a-be63-aa028cdc01ce
Unpacked files
SH256 hash:
5306d7ecaf0da530dc78430e89cf4600c6c5bd5030b33018934e5365c36e4866
MD5 hash:
5f37d210408c55b06f52b07c56b54332
SHA1 hash:
93419c92542b9e54d16daf6563bce75a922e1afa
Link:
https://www.unpac.me/results/9ac52cb8-e53c-4807-bf49-3877471bcee7/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/5306d7ecaf0d/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/5306d7ecaf0da530dc78430e89cf4600c6c5bd5030b33018934e5365c36e4866

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
Create hunting rule
Author:malware-lu
Rule name:DebuggerCheck__API
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerCheck__QueryInfo
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:DebuggerHiding__Thread
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:golang_bin_JCorn_CSC846
Create hunting rule
Author:Justin Cornwell
Description:CSC-846 Golang detection ruleset
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:MD5_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for MD5 constants
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:NET
Create hunting rule
Author:malware-lu
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:pe_detect_tls_callbacks
Create hunting rule
Rule name:pe_imphash
Create hunting rule
Rule name:RIPEMD160_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for RIPEMD-160 constants
Rule name:SelfExtractingRAR
Create hunting rule
Author:Xavier Mertens
Description:Detects an SFX archive with automatic script execution
Rule name:SHA1_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA1 constants
Rule name:SHA512_Constants
Create hunting rule
Author:phoul (@phoul)
Description:Look for SHA384/SHA512 constants
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:Sus_Obf_Enc_Spoof_Hide_PE
Create hunting rule
Author:XiAnzheng
Description:Check for Overlay, Obfuscating, Encrypting, Spoofing, Hiding, or Entropy Technique(can create FP)
Rule name:test_Malaysia
Create hunting rule
Author:rectifyq
Description:Detects file containing malaysia string
Rule name:ThreadControl__Context
Create hunting rule
Reference:https://github.com/naxonez/yaraRules/blob/master/AntiDebugging.yara
Rule name:vmdetect
Create hunting rule
Author:nex
Description:Possibly employs anti-virtualization techniques
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule

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 (FORCE_INTEGRITY)high
Reviews
IDCapabilitiesEvidence
GDI_PLUS_APIInterfaces with Graphicsgdiplus.dll::GdiplusStartup
gdiplus.dll::GdiplusShutdown
gdiplus.dll::GdipAlloc
WIN32_PROCESS_APICan Create Process and ThreadsKERNEL32.dll::CloseHandle
KERNEL32.dll::CreateThread
WIN_BASE_APIUses Win Base APIKERNEL32.dll::TerminateProcess
KERNEL32.dll::LoadLibraryW
KERNEL32.dll::LoadLibraryExA
KERNEL32.dll::LoadLibraryExW
KERNEL32.dll::GetSystemInfo
KERNEL32.dll::GetStartupInfoW
WIN_BASE_EXEC_APICan Execute other programsKERNEL32.dll::AllocConsole
KERNEL32.dll::AttachConsole
KERNEL32.dll::WriteConsoleW
KERNEL32.dll::FreeConsole
KERNEL32.dll::SetStdHandle
KERNEL32.dll::GetConsoleMode
KERNEL32.dll::GetConsoleOutputCP
WIN_BASE_IO_APICan Create FilesKERNEL32.dll::CreateDirectoryW
KERNEL32.dll::CreateHardLinkW
KERNEL32.dll::CreateFileW
KERNEL32.dll::DeleteFileW
KERNEL32.dll::MoveFileW
KERNEL32.dll::MoveFileExW

Comments