MalwareBazaar Database
You are currently viewing the MalwareBazaar entry for SHA256 bff236cb3c2cbc2e5c9feaa5bdd967fd07b9047cbb73b70b63e07c334049d8a3. 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: 10
| SHA256 hash: | bff236cb3c2cbc2e5c9feaa5bdd967fd07b9047cbb73b70b63e07c334049d8a3 |
|---|---|
| SHA3-384 hash: | f5b959fb034791f9144d23d16e932cd5652308b1aa4108f1eb0a6b837196400dc7cdb48bf638447b2c417f3530bae4ff |
| SHA1 hash: | 7fbe0980a02621774cbb83dddb667ffa47d1d803 |
| MD5 hash: | b57e79ab29ef870fe17d27375e65bce0 |
| humanhash: | delta-king-potato-sad |
| File name: | b57e79ab29ef870fe17d27375e65bce0.exe |
| Download: | download sample |
| Signature | njrat |
| File size: | 499'712 bytes |
| First seen: | 2022-04-05 04:32:33 UTC |
| Last seen: | Never |
| File type: |  exe |
| MIME type: | application/x-dosexec |
| imphash | f34d5f2d4577ed6d9ceec516c1f5a744 (49'081 x AgentTesla, 20'056 x Formbook, 12'353 x SnakeKeylogger) |
| ssdeep | 12288:lu8WKbv2aChYTcj5evQXu1agkcZPsA7u+A3ba/Ki/KO1h0VP0IRHfcTasV:48RbDTcj501agkcos |
| Threatray | 2'303 similar samples on MalwareBazaar |
| TLSH | T1FAB4F6AC79A2F1BEC456C0BAD9545C38AE94E43BB30F5163907311BDD92C587CE84BB2 |
| File icon (PE): |  |
| dhash icon | eccccccccccccccc (1 x njrat) |
| 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 |
|---|---|
| 104.194.11.159:8109 | https://threatfox.abuse.ch/ioc/491530/ |
Intelligence
File Origin
# of uploads :
1
# of downloads :
391
Origin country :
n/a
Vendor Threat Intelligence
Detection:
n/a
Result
Verdict:
Malware
Maliciousness:
Behaviour
Creating a window
Sending a custom TCP request
Сreating synchronization primitives
Launching a process
Creating a process with a hidden window
Verdict:
Malicious
Threat level:
10/10
Confidence:
100%
Tags:
control.exe obfuscated overlay packed replace.exe
Verdict:
Malicious
Result
Threat name:
Njrat
Detection:
malicious
Classification:
troj.spyw.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Found malware configuration
Injects a PE file into a foreign processes
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
Queries sensitive video device information (via WMI, Win32_VideoController, often done to detect virtual machines)
Sigma detected: Suspicious Add Scheduled Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected AntiVM3
Yara detected Njrat
Behaviour
Behavior Graph:
Threat name:
Win32.Trojan.AgentTesla
Status:
Malicious
First seen:
2022-04-01 18:49:45 UTC
File Type:
PE (.Net Exe)
Extracted files:
8
AV detection:
31 of 42 (73.81%)
Threat level:
5/5
Detection(s):
Malicious file
Verdict:
malicious
Label(s):
njrat
Similar samples:
+ 2'293 additional samples on MalwareBazaar
Result
Malware family:
njrat
Score:
10/10
Tags:
family:njrat botnet:filmzzzz evasion trojan
Behaviour
Creates scheduled task(s)
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of SetThreadContext
Maps connected drives based on registry
Checks BIOS information in registry
Checks computer location settings
Looks for VMWare Tools registry key
Looks for VirtualBox Guest Additions in registry
njRAT/Bladabindi
Malware Config
C2 Extraction:
film.royalprop.trade:8109
Unpacked files
SH256 hash:
683b61be9decc07defb3473609f821aece870d17489956a90f2dfc6baf7cff12
MD5 hash:
e39dc8a76088638d4de63be1b6f26f46
SHA1 hash:
bd1fd545861079a289864b33703e1499645d9e8e
SH256 hash:
81caff81c6e9afb07b6f899dc40a33377ff969e6ca80c989a706c8c583249c0b
MD5 hash:
4ad8f0929d0367708e5c006160d022ff
SHA1 hash:
7f95d6599f1f99484e54f6b603971d3a33c1d86d
Detections:
win_njrat_w1
SH256 hash:
79823e47436e129def4fba8ee225347a05b7bb27477fb1cc8be6dc9e9ce75696
MD5 hash:
39f524c1ab0eb76dfd79b2852e5e8c39
SHA1 hash:
428018e1701006744e34480b0029982a76d8a57d
SH256 hash:
bff236cb3c2cbc2e5c9feaa5bdd967fd07b9047cbb73b70b63e07c334049d8a3
MD5 hash:
b57e79ab29ef870fe17d27375e65bce0
SHA1 hash:
7fbe0980a02621774cbb83dddb667ffa47d1d803
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
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: | pe_imphash |
|---|
| 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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