MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 da6e9bd269fbd3904c007d8c19272f372211b3930567d21b977d34716317143a. 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: 9


Intelligence 9 IOCs YARA 4 File information Comments

SHA256 hash: da6e9bd269fbd3904c007d8c19272f372211b3930567d21b977d34716317143a
SHA3-384 hash: bf1afa95be036653d6f51921f7c2970037eda22e7f146f011bd5b8a7daef1ed64a6bb6f2fd115dacac35e8baf8f979df
SHA1 hash: 6e7222a52f54c395a0274d919bd304c3de12c402
MD5 hash: 1c720acaf2b5011661000ff735c8e672
humanhash: connecticut-nine-red-william
File name:da6e9bd269fbd3904c007d8c19272f372211b3930567d21b977d34716317143a
Download: download sample
Signature njrat
File size:3'830'874 bytes
First seen:2021-02-28 07:12:56 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash fcf1390e9ce472c7270447fc5c61a0c1 (863 x DCRat, 118 x NanoCore, 94 x njrat)
ssdeep 98304:obALym95Ey5HR5pXjQq9afADghpF/PL7T2U/s2SZ+E:oELy6p5vhjGIDqSuOj
Threatray 6 similar samples on MalwareBazaar
TLSH 15063303FE8558F1C5A118314575EA6571B8BE100F24DFAFA3D49F6EA9340E0EB297A3
Reporter JAMESWT_WT
Tags:NjRAT

Intelligence


File Origin
# of uploads :
1
# of downloads :
137
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
1.rar
Verdict:
Malicious activity
Analysis date:
2021-02-26 17:02:44 UTC
Tags:
trojan rat njrat bladabindi

Note:
ANY.RUN is an interactive sandbox that analyzes all user actions rather than an uploaded sample
Result
Verdict:
Malware
Maliciousness:

Behaviour
Sending a UDP request
Creating a window
Searching for the window
Creating a file in the %AppData% directory
Creating a process from a recently created file
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.
Result
Threat name:
Detection:
malicious
Classification:
troj.adwa.evad
Score:
100 / 100
Signature
.NET source code contains potential unpacker
Antivirus detection for dropped file
Detected njRat
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)
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
Protects its processes via BreakOnTermination flag
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses schtasks.exe or at.exe to add and modify task schedules
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 359523 Sample: zOlLBCUG9R Startdate: 28/02/2021 Architecture: WINDOWS Score: 100 43 4.tcp.ngrok.io 2->43 49 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->49 51 Malicious sample detected (through community Yara rule) 2->51 53 Antivirus detection for dropped file 2->53 55 12 other signatures 2->55 10 zOlLBCUG9R.exe 8 2->10         started        13 Server.exe 3 2->13         started        16 system32t.exe 3 2->16         started        18 5 other processes 2->18 signatures3 process4 file5 39 C:\Users\user\...\Server_protected.exe, PE32 10->39 dropped 41 C:\Users\...\ks4.021.2.16.590abru_25000.exe, PE32 10->41 dropped 20 Server_protected.exe 1 5 10->20         started        73 Antivirus detection for dropped file 13->73 75 Multi AV Scanner detection for dropped file 13->75 77 Detected unpacking (changes PE section rights) 13->77 81 2 other signatures 13->81 79 Hides threads from debuggers 16->79 signatures6 process7 file8 33 C:\Users\user\AppData\Roaming\system32t.exe, PE32 20->33 dropped 57 Antivirus detection for dropped file 20->57 59 Multi AV Scanner detection for dropped file 20->59 61 Detected unpacking (changes PE section rights) 20->61 63 3 other signatures 20->63 24 system32t.exe 3 6 20->24         started        signatures9 process10 dnsIp11 45 4.tcp.ngrok.io 3.133.207.110, 15521, 49726, 49728 AMAZON-02US United States 24->45 47 3.138.180.119, 15521, 49737, 49743 AMAZON-02US United States 24->47 35 C:\Users\user\AppData\...\Java update.exe, PE32 24->35 dropped 37 C:\Users\user\AppData\Local\Temp\Server.exe, PE32 24->37 dropped 65 Antivirus detection for dropped file 24->65 67 Multi AV Scanner detection for dropped file 24->67 69 Detected unpacking (changes PE section rights) 24->69 71 5 other signatures 24->71 29 schtasks.exe 1 24->29         started        file12 signatures13 process14 process15 31 conhost.exe 29->31         started       
Threat name:
Win32.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-02-26 17:11:56 UTC
AV detection:
22 of 28 (78.57%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
persistence
Behaviour
Creates scheduled task(s)
Suspicious behavior: GetForegroundWindowSpam
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
Drops startup file
Loads dropped DLL
Executes dropped EXE
Unpacked files
SH256 hash:
5c02ee78fedc7f7c3bc02b44c4ae34df106ac5a943c4c85f987e016ce06b1d8a
MD5 hash:
373c94211a11a71f5bb043f52ad340b5
SHA1 hash:
54fffe0af0d204b695d1e12ff468ec12e1fbff5c
SH256 hash:
da6e9bd269fbd3904c007d8c19272f372211b3930567d21b977d34716317143a
MD5 hash:
1c720acaf2b5011661000ff735c8e672
SHA1 hash:
6e7222a52f54c395a0274d919bd304c3de12c402
Please note that we are no longer able to provide a coverage score for Virus Total.

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:EnigmaStub
Author:@bartblaze
Description:Identifies Enigma packer stub.
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_smominru_auto
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator

File information


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

Comments