MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 03f8315b61092daea8068fe527a0d94e8684d153e62bab70c4c4b667a452dfc8. 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: | 03f8315b61092daea8068fe527a0d94e8684d153e62bab70c4c4b667a452dfc8 |
|---|---|
| SHA3-384 hash: | 49897282b3aa3522b2cd75743bcec03840abe1d922b200c948b5e0399f9a011e3aa9b713396990545e855184e14ce380 |
| SHA1 hash: | 20c8a8f626ee8ec00f673623b7bac87856596bf0 |
| MD5 hash: | ce2bbb0067fabb0f15a62d525d88f5eb |
| humanhash: | lion-steak-music-december |
| File name: | 03f8315b61092daea8068fe527a0d94e8684d153e62bab70c4c4b667a452dfc8 |
| Download: | download sample |
| Signature | njrat |
| File size: | 37'888 bytes |
| First seen: | 2021-09-06 06:45:49 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (48'658 x AgentTesla, 19'469 x Formbook, 12'208 x SnakeKeylogger) |
| ssdeep | 384:eLug7WpgibTjpPu7w9qyMTczHPLs2A7rbrAF+rMRTyN/0L+EcoinblneHQM3epzH:4qNN9ZMTczjtAbrM+rMRa8Nup1t |
| Threatray | 241 similar samples on MalwareBazaar |
| TLSH | T19903294D7BE18168C5FD067B05B2D01207BAE04F6E23D90E8EF664AA37636C58B54EE1 |
| Reporter |  JAMESWT_WT |
| Tags: | exe NjRAT |
Intelligence
File Origin
# of uploads :
1
# of downloads :
544
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
03f8315b61092daea8068fe527a0d94e8684d153e62bab70c4c4b667a452dfc8
Verdict:
Suspicious activity
Analysis date:
2021-09-06 07:23:42 UTC
Tags:
n/a
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 process with a hidden window
Creating a file
Enabling the 'hidden' option for recently created files
Creating a window
DNS request
Sending a UDP request
Launching the process to change the firewall settings
Creating a file in the mass storage device
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
Malware family:
njRAT
Verdict:
Malicious
Result
Threat name:
njRat
Detection:
malicious
Classification:
spre.troj.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
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates autorun.inf (USB autostart)
Detected njRat
Found malware configuration
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
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:
2021-09-05 01:03:04 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
38 of 43 (88.37%)
Threat level:
5/5
Detection(s):
Suspicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 231 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:hacked evasion
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Drops autorun.inf file
Modifies Windows Firewall
Malware Config
C2 Extraction:
hacker21312.bounceme.net:5553
Unpacked files
SH256 hash:
03f8315b61092daea8068fe527a0d94e8684d153e62bab70c4c4b667a452dfc8
MD5 hash:
ce2bbb0067fabb0f15a62d525d88f5eb
SHA1 hash:
20c8a8f626ee8ec00f673623b7bac87856596bf0
Detections:
win_njrat_w1
win_njrat_g1
Malware family:
njRat
Verdict:
Malicious
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Suspicious File
Score:
0.65
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: | MALWARE_Win_NjRAT |
|---|---|
| Author: | ditekSHen |
| Description: | Detects NjRAT / Bladabindi |
| Rule name: | pe_imphash |
|---|
| Rule name: | pe_imphash |
|---|
| Rule name: | Skystars_Malware_Imphash |
|---|---|
| Author: | Skystars LightDefender |
| Description: | imphash |
| Rule name: | win_njrat_w1 |
|---|---|
| Author: | Brian Wallace @botnet_hunter <bwall@ballastsecurity.net> |
| Description: | Identify njRat |
File information
The table below shows additional information about this malware sample such as delivery method and external references.
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