MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 6fccf76fe3b419e6da88a6fddf207463355d1ba85a2858c46a11713331c39f5a. 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: | 6fccf76fe3b419e6da88a6fddf207463355d1ba85a2858c46a11713331c39f5a |
|---|---|
| SHA3-384 hash: | 2b0811a11fe76c7012178d26365556266b9a6117b3b2ed1ef09dff9ca9ff9cda24e55c2f49201348317dd3850ef2b519 |
| SHA1 hash: | abbfa0d381484c186be0747f3027c7799eaaa7d9 |
| MD5 hash: | ab00148c33790d85112a7bc1af206c05 |
| humanhash: | moon-triple-double-autumn |
| File name: | ab00148c33790d85112a7bc1af206c05.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 44'032 bytes |
| First seen: | 2021-10-27 17:21:15 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'652 x AgentTesla, 19'463 x Formbook, 12'204 x SnakeKeylogger) |
| ssdeep | 384:KZyMCHrxlwZ28bk8yin05ZJlGTdMZazZj+9D9O5UE5QzwBlpJNakkjh/TzF7pWnX:IxCLxGvbk5in0n7gga1vQO+E+L |
| Threatray | 110 similar samples on MalwareBazaar |
| TLSH | T14513D78CB794E174D5FF8BF1B492B2890B70A05B9902930F99F154D98FB3AC09611EE7 |
| 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 |
|---|---|
| 192.169.69.25:4782 | https://threatfox.abuse.ch/ioc/238491/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
319
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
Server.exe
Verdict:
Malicious activity
Analysis date:
2021-10-22 10:38:40 UTC
Tags:
trojan rat njrat bladabindi
Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a file
Creating a process from a recently created file
Enabling the 'hidden' option for recently created files
Creating a window
Connection attempt to an infection source
Using the Windows Management Instrumentation requests
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Query of malicious DNS domain
Enabling autorun by creating a file
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
anti-vm bladabindi greyware keylogger njrat obfuscated packed rat
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.
Malware family:
njRAT
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
Detected njRat
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)
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
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)
Uses dynamic DNS services
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-10-23 00:51:35 UTC
AV detection:
25 of 28 (89.29%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 100 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:topher persistence trojan
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
njRAT/Bladabindi
Malware Config
C2 Extraction:
savedat.duckdns.org:4782
Unpacked files
SH256 hash:
6fccf76fe3b419e6da88a6fddf207463355d1ba85a2858c46a11713331c39f5a
MD5 hash:
ab00148c33790d85112a7bc1af206c05
SHA1 hash:
abbfa0d381484c186be0747f3027c7799eaaa7d9
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: | CN_disclosed_20180208_c |
|---|---|
| Author: | Florian Roth |
| Description: | Detects malware from disclosed CN malware set |
| Reference: | https://twitter.com/cyberintproject/status/961714165550342146 |
| Rule name: | CN_disclosed_20180208_c_RID2E71 |
|---|---|
| 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: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_LightDefender_Njrat_Rule |
|---|---|
| Author: | Skystars LightDefender |
| Description: | Detects Njrat |
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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