MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 cf420c735e1953efabe932617ff48eaf389429ad511cc7f8ebda7356a74ae1e6. 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: | cf420c735e1953efabe932617ff48eaf389429ad511cc7f8ebda7356a74ae1e6 |
|---|---|
| SHA3-384 hash: | 4d365338a051d34042288ab160d665b6456fcb48ccbc9f9400466d0289547ae07f5f261fc7b90931fde6472b86c3e0b7 |
| SHA1 hash: | 4452f1f9023477c56d6bfd2e1552bdc3001fd6eb |
| MD5 hash: | 49da7e4e62e1e9dd011b9476b37318f0 |
| humanhash: | arkansas-robin-harry-zebra |
| File name: | 49da7e4e62e1e9dd011b9476b37318f0.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 44'032 bytes |
| First seen: | 2022-03-09 16:26:51 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'748 x AgentTesla, 19'648 x Formbook, 12'245 x SnakeKeylogger) |
| ssdeep | 384:2ZyuNX7xdW/IUyNZa55EFiTYMWM7bV56l9C9D9O5UE5QzwBlpJNakkjh/TzF7pW9:sdrxIghNZk5EFiTVxbC3vQO+ud+L |
| Threatray | 187 similar samples on MalwareBazaar |
| TLSH | T1BD13D88CBA84E175D5FF8BF1B492B2890B719017A902D30F99F154D98FB3AC09611EE7 |
| 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 |
|---|---|
| 3.128.107.74:19554 | https://threatfox.abuse.ch/ioc/393225/ |
| 3.138.45.170:19554 | https://threatfox.abuse.ch/ioc/393226/ |
| 13.59.15.185:19554 | https://threatfox.abuse.ch/ioc/393227/ |
| 3.22.53.161:19554 | https://threatfox.abuse.ch/ioc/393228/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
340
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Njrat
Result
Verdict:
Malware
Maliciousness:
Behaviour
Searching for the window
Сreating synchronization primitives
Enabling the 'hidden' option for analyzed file
Creating a window
Searching for synchronization primitives
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:
anti-vm bladabindi cmd.exe control.exe dllhost.exe greyware keylogger njrat obfuscated packed rat replace.exe schtasks.exe update.exe
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2022-03-08 19:17:55 UTC
File Type:
PE (.Net Exe)
Extracted files:
2
AV detection:
35 of 42 (83.33%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 177 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:kurban persistence suricata
Behaviour
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Drops startup file
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
2.tcp.ngrok.io:19554
Unpacked files
SH256 hash:
cf420c735e1953efabe932617ff48eaf389429ad511cc7f8ebda7356a74ae1e6
MD5 hash:
49da7e4e62e1e9dd011b9476b37318f0
SHA1 hash:
4452f1f9023477c56d6bfd2e1552bdc3001fd6eb
Malware family:
njRAT
Verdict:
Malicious
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: | 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: | 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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