MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 3cef495ab66569cb48924931ba3ea060ae93766bd19213fe7aa5d681c0d96bb9. 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: 15


Intelligence 15 IOCs YARA 11 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 3cef495ab66569cb48924931ba3ea060ae93766bd19213fe7aa5d681c0d96bb9
SHA3-384 hash: 1e8413e83c65e47faa11a2194116ffbeab24dca82726569ca8cc3611494a9ff824bcd97e72d58d88b860ef259de67144
SHA1 hash: 9fbca225628f041894523f1617265df96587f76c
MD5 hash: 7384eb9925725bc66b5f86517e594070
humanhash: pluto-undress-missouri-fifteen
File name:7384eb9925725bc66b5f86517e594070.exe
Download: download sample
Signature njrat
Create hunting rule
File size:1'133'056 bytes
First seen:2023-03-14 05:55:21 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (131 x DCRat, 112 x njrat, 79 x RedLineStealer)
ssdeep 24576:b6PjCOPwikcAHhR8eMZCtxVPGWKgLPkscTWxA2pwRgfjl:mbCFjbR8ebtxVudgjkscTkFwwx
TLSH T1C63533D3F30DD6EFCE2115F4CD088B4A03E8696620194B86E3C95796BFAC6919F7C0A5
TrID 25.0% (.DLL) Win32 Dynamic Link Library (generic) (6578/25/2)
19.1% (.EXE) Win16 NE executable (generic) (5038/12/1)
17.1% (.EXE) Win32 Executable (generic) (4505/5/1)
7.8% (.EXE) Win16/32 Executable Delphi generic (2072/23)
7.8% (.ICL) Windows Icons Library (generic) (2059/9)
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
3.127.59.75:17475

Intelligence

File Origin
# of uploads :
1
# of downloads :
252
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
njrat
Create hunting rule
ID:
1
File name:
7384eb9925725bc66b5f86517e594070.exe
Verdict:
Malicious activity
Analysis date:
2023-03-14 05:56:46 UTC
Tags:
rat njrat bladabindi
Link:
https://app.any.run/tasks/26f93573-deed-46ee-adfe-8e18e757226a

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Detection:
Njrat
Create hunting rule
Link:
https://www.capesandbox.com/analysis/374154/
Detection(s):
PUA.Win.Packer.EnigmaProtector-9852682-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Сreating synchronization primitives
Searching for analyzing tools
Enabling the 'hidden' option for analyzed file
Creating a file in the %AppData% directory
Creating a process from a recently created file
Creating a file
Sending a custom TCP request
Creating a process with a hidden window
Enabling the 'hidden' option for recently created files
Creating a window
Searching for synchronization primitives
DNS request
Using the Windows Management Instrumentation requests
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
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
bladabindi enigma njrat obfuscated packed shell32.dll zpevdo
Link:
https://www.filescan.io/uploads/64100c74d120e535218ec776/reports/796fca02-32ab-49a6-b2a6-12e9a8c4f4f3/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/3cef495ab66569cb48924931ba3ea060ae93766bd19213fe7aa5d681c0d96bb9
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:
Mimikatz
Create hunting rule
Verdict:
Malicious
Link:
https://analyze.intezer.com/analyses/a3ef9095-049f-41e9-97f4-8d80eebc09f9
Result
Threat name:
Njrat
Create hunting rule
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1193068
Signature
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Antivirus detection for URL or domain
C2 URLs / IPs found in malware configuration
Creates autostart registry keys with suspicious names
Detected unpacking (changes PE section rights)
Detected unpacking (overwrites its own PE header)
Drops PE files to the startup folder
Hides threads from debuggers
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 domain / URL
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
PE file contains section with special chars
PE file has nameless sections
Snort IDS alert for network traffic
Tries to detect sandboxes and other dynamic analysis tools (window names)
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 signatures2 2 Behavior Graph ID: 825965 Sample: XxvxipkL6q.exe Startdate: 14/03/2023 Architecture: WINDOWS Score: 100 43 Snort IDS alert for network traffic 2->43 45 Multi AV Scanner detection for domain / URL 2->45 47 Malicious sample detected (through community Yara rule) 2->47 49 11 other signatures 2->49 8 XxvxipkL6q.exe 1 6 2->8         started        12 Discord.exe 3 2->12         started        14 Discord.exe 2 2->14         started        16 Discord.exe 2 2->16         started        process3 file4 31 C:\Users\user\AppData\Roaming\Discord.exe, PE32 8->31 dropped 33 C:\Users\user\...\Discord.exe:Zone.Identifier, ASCII 8->33 dropped 35 C:\Users\user\AppData\...\XxvxipkL6q.exe.log, ASCII 8->35 dropped 59 Detected unpacking (changes PE section rights) 8->59 61 Detected unpacking (overwrites its own PE header) 8->61 63 Hides threads from debuggers 8->63 18 Discord.exe 2 6 8->18         started        signatures5 process6 dnsIp7 37 3.127.59.75, 17475, 49700, 49701 AMAZON-02US United States 18->37 39 35.158.159.254, 17475, 49702, 49703 AMAZON-02US United States 18->39 41 4.tcp.eu.ngrok.io 52.28.112.211, 17475, 49698, 49704 AMAZON-02US United States 18->41 27 C:\...\a8961c6217421febf50a9631f8c87268.exe, PE32 18->27 dropped 29 a8961c6217421febf5...exe:Zone.Identifier, ASCII 18->29 dropped 51 Antivirus detection for dropped file 18->51 53 Multi AV Scanner detection for dropped file 18->53 55 Tries to detect sandboxes and other dynamic analysis tools (window names) 18->55 57 6 other signatures 18->57 23 netsh.exe 3 18->23         started        file8 signatures9 process10 process11 25 conhost.exe 23->25         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/3cef495ab66569cb48924931ba3ea060ae93766bd19213fe7aa5d681c0d96bb9/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2023-03-08 20:24:44 UTC
File Type:
PE (Exe)
Extracted files:
1
AV detection:
23 of 24 (95.83%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=htxuswvwmvu4wsesjey3upvamcxjg5tl2gjbh7t2uxlidqgzno4q._file
Verdict:
malicious
Label(s):
njrat
Create hunting rule
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/230314-gnk29sdg43/
Behaviour
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of SetWindowsHookEx
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Suspicious use of NtSetInformationThreadHideFromDebugger
Adds Run key to start application
Legitimate hosting services abused for malware hosting/C2
Checks computer location settings
Drops startup file
Executes dropped EXE
Loads dropped DLL
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
3cef495ab66569cb48924931ba3ea060ae93766bd19213fe7aa5d681c0d96bb9
MD5 hash:
7384eb9925725bc66b5f86517e594070
SHA1 hash:
9fbca225628f041894523f1617265df96587f76c
Link:
https://www.unpac.me/results/0518fe54-8149-4093-ad58-23baab884658/
Malware family:
njRAT
Create hunting rule
Verdict:
Malicious
Link:
https://www.vmray.com/analyses/_mb/3cef495ab665/report/overview.html
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
0.90
Link:
https://yomi.yoroi.company/submissions/3cef495ab66569cb48924931ba3ea060ae93766bd19213fe7aa5d681c0d96bb9

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:Disable_Defender
Create hunting rule
Author:iam-py-test
Description:Detect files disabling or modifying Windows Defender, Windows Firewall, or Microsoft Smartscreen
Rule name:EnigmaStub
Create hunting rule
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_Ngrok_URL
Create hunting rule
Author:SECUINFRA Falcon Team
Description:Detects a PE file that contains an ngrok.io URL. This can be used as C2 channel
Rule name:SUSP_XORed_URL_in_EXE
Create hunting rule
Author:Florian Roth (Nextron Systems)
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Create hunting rule
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:Windows_Trojan_Njrat_30f3c220
Create hunting rule
Author:Elastic Security
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat
Rule name:win_smominru_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:Detects win.smominru.

File information

The table below shows additional information about this malware sample such as delivery method and external references.

Cape
Cape
https://www.capesandbox.com/analysis/374154/

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