MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 d0efa3ab13db442fa9d9958083f1bb9891ea29d8055f193e38cf0f4ec80498c4. 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: 9
| SHA256 hash: | d0efa3ab13db442fa9d9958083f1bb9891ea29d8055f193e38cf0f4ec80498c4 |
|---|---|
| SHA3-384 hash: | 49028f778826e382164ebaca4cbc82fb1c86df51f5788b78820c758881fd71a22ac77c3a426ed9f5c456701d229da094 |
| SHA1 hash: | e2792189b3a3dc076a26c3a13dab1c758067cc0b |
| MD5 hash: | 334309c0a6f04e01ccf5ecf60de1a6e3 |
| humanhash: | mountain-don-winter-chicken |
| File name: | E8kkNEud.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 32'768 bytes |
| First seen: | 2020-10-26 20:10:13 UTC |
| Last seen: | 2020-10-26 20:37:20 UTC |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 384:ub1meEck8phCW27siF5FqCJfqUwFPIqeT4AZlDIodg9TdFpyFEIGsJjwE7UMcriZ:Gy8/2II5F1qNm+ouDbEEIGfRRg+f |
| Threatray | 121 similar samples on MalwareBazaar |
| TLSH | 4DE2084CB6E38154D07D44B785A6E3121774E16B5723E26FCED868E22FA71CC4A8CEE1 |
| Reporter |  pmelson |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
6
# of downloads :
113
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Creating a process with a hidden window
Creating a window
DNS request
Connection attempt
Unauthorized injection to a recently created process
Launching the process to change the firewall settings
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Enabling autorun by creating a file
Result
Threat name:
njRat
Detection:
malicious
Classification:
troj.adwa.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Contains functionality to log keystrokes (.Net Source)
Creates autostart registry keys with suspicious names
Detected njRat
Drops PE files to the startup folder
Drops PE files with benign system names
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
Protects its processes via BreakOnTermination flag
Sigma detected: Suspicious Svchost Process
Sigma detected: System File Execution Location Anomaly
System process connects to network (likely due to code injection or exploit)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2020-10-26 20:12:04 UTC
AV detection:
27 of 29 (93.10%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Similar samples:
+ 111 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
persistence trojan family:njrat evasion
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Modifies service
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
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 |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://twitter.com/cyberintproject/status/961714165550342146 |
| Rule name: | Njrat |
|---|---|
| Author: | JPCERT/CC Incident Response Group |
| Description: | detect njRAT in memory |
| Rule name: | Ping_Del_method_bin_mem |
|---|---|
| Author: | James_inthe_box |
| Description: | cmd ping IP nul del |
| Rule name: | win_njrat_w1 |
|---|---|
| Author: | Brian Wallace @botnet_hunter |
| Description: | Identify njRat |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
Web download
Delivery method
Distributed via web download
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