MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 495917ba4c1baf471a277c7d06cc1f9b8e5a4bfb6a89987288ba967ed54e611b. 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: 13
| SHA256 hash: | 495917ba4c1baf471a277c7d06cc1f9b8e5a4bfb6a89987288ba967ed54e611b |
|---|---|
| SHA3-384 hash: | 55036b0ff8442b59884bd2b3f2b8b0ce7409701bdf1b8f25f8d9805bf5ae36b86b42f2bccbb427b4cda431b52524c12d |
| SHA1 hash: | 9c011ebfc1cd33151c539d33a8e3874249008631 |
| MD5 hash: | 239159a7512ba9a196ad088ed936da3d |
| humanhash: | alanine-king-july-eight |
| File name: | 239159a7512ba9a196ad088ed936da3d.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 1'148'496 bytes |
| First seen: | 2022-04-07 01:31:33 UTC |
| Last seen: | 2022-04-07 02:31:19 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer) |
| ssdeep | 24576:VcCwqrWBOxa0FTytLvINprY1SJ35oCRA0cONtn9X:VcehpoD8VR35oGA0cONtnd |
| Threatray | 247 similar samples on MalwareBazaar |
| TLSH | T1663533AA7036C259FED3BE787BC0D0536819F2F44348C1861099C655037DEDB72BEA96 |
| Reporter |  abuse_ch |
| Tags: | exe NjRAT RAT |
Indicators Of Compromise (IOCs)
Below is a list of indicators of compromise (IOCs) associated with this malware samples.
| IOC | ThreatFox Reference |
|---|---|
| 3.129.187.220:13626 | https://threatfox.abuse.ch/ioc/516794/ |
| 3.131.147.49:13626 | https://threatfox.abuse.ch/ioc/516795/ |
| 3.136.65.236:13626 | https://threatfox.abuse.ch/ioc/516796/ |
| 3.22.15.135:13626 | https://threatfox.abuse.ch/ioc/516797/ |
| 3.138.180.119:13626 | https://threatfox.abuse.ch/ioc/516798/ |
Intelligence
File Origin
# of uploads :
2
# of downloads :
474
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
ID:
1
File name:
239159a7512ba9a196ad088ed936da3d.exe
Verdict:
Malicious activity
Analysis date:
2022-04-07 01:34:37 UTC
Tags:
trojan rat njrat bladabindi
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
EnigmaStub
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Searching for analyzing tools
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for recently created files
Creating a window
DNS request
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:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
bladabindi obfuscated overlay packed shell32.dll zpevdo
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
Result
Threat name:
Njrat
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes security center settings (notifications, updates, antivirus, firewall)
Detected potential unwanted application
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Drops PE files with benign system names
Found malware configuration
Hides threads from debuggers
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Query firmware table information (likely to detect VMs)
Sigma detected: File Created with System Process Name
Sigma detected: Suspcious CLR Logs Creation
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Tries to detect sandboxes and other dynamic analysis tools (window names)
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-04-01 03:59:30 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
33 of 42 (78.57%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 237 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat persistence trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Checks computer location settings
Drops startup file
Loads dropped DLL
Executes dropped EXE
njRAT/Bladabindi
Unpacked files
SH256 hash:
495917ba4c1baf471a277c7d06cc1f9b8e5a4bfb6a89987288ba967ed54e611b
MD5 hash:
239159a7512ba9a196ad088ed936da3d
SHA1 hash:
9c011ebfc1cd33151c539d33a8e3874249008631
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
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: | 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: | MAL_njrat |
|---|---|
| Author: | SECUINFRA Falcon Team |
| Rule name: | pe_imphash |
|---|
| Rule name: | Sectigo_Code_Signed |
|---|---|
| Description: | Detects code signed by the Sectigo RSA Code Signing CA |
| Reference: | https://bazaar.abuse.ch/export/csv/cscb/ |
| 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 |
| 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: | win_smominru_auto |
|---|---|
| Author: | Felix Bilstein - yara-signator at cocacoding dot com |
| Description: | Detects win.smominru. |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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