MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 4ddb173a67ca5a5ccce340d40afcbfae4bc7d929ab41c07a6972269c6c71348b. 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


Intelligence 13 IOCs YARA 4 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 4ddb173a67ca5a5ccce340d40afcbfae4bc7d929ab41c07a6972269c6c71348b
SHA3-384 hash: 20b43922efeacb009894bc2accb8a7560e051e8a81508cff13ed7cdbc94e0ec7a947455bf8f3a22c09bd5700fd1ff7c7
SHA1 hash: 8f64760441290cd44d5dcfa2286cc82d26cba699
MD5 hash: 9115ca488f308a6f1f9ebf19a164b9e1
humanhash: bacon-helium-connecticut-alaska
File name:9115ca488f308a6f1f9ebf19a164b9e1.exe
Download: download sample
Signature njrat
Create hunting rule
File size:24'064 bytes
First seen:2020-12-14 19:04:09 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (48'742 x AgentTesla, 19'607 x Formbook, 12'242 x SnakeKeylogger)
ssdeep 384:RIz+aOdG7upMgvoE5OSeKwZXg69gbm4CkpFmRvR6JZlbw8hqIusZzZtz:RPEa4yVenRpcnuq
Threatray 87 similar samples on MalwareBazaar
TLSH 91B21A4E3FA98866C57C1B788AB5965003B491470413EE2FCDC550CBAFB36D91D48EF9
Reporter abuse_ch
Tags:exe NjRAT RAT

Intelligence

File Origin
# of uploads :
1
# of downloads :
345
Origin country :
n/a
Vendor Threat Intelligence
Malware family:
n/a
ID:
1
File name:
9115ca488f308a6f1f9ebf19a164b9e1.exe
Verdict:
Malicious activity
Analysis date:
2020-12-14 19:04:48 UTC
Tags:
rat njrat bladabindi trojan
Link:
https://app.any.run/tasks/42019a81-341a-40ec-9731-1ea5ef0e14fb

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/108008/
Detection(s):
Win.Trojan.B-468
Create hunting rule

Win.Trojan.Ratenjay-1
Create hunting rule

Win.Trojan.Bladabindi-6192388-0
Create hunting rule

Win.Trojan.Generic-6417450-0
Create hunting rule

Win.Trojan.Generic-6454614-0
Create hunting rule

Win.Trojan.Generic-6454615-0
Create hunting rule

Win.Packed.Bladabindi-6804148-0
Create hunting rule

Win.Packed.Bladabindi-6917466-0
Create hunting rule

Win.Dropper.njRAT-7436651-0
Create hunting rule

Win.Packed.Generic-7672854-0
Create hunting rule

Win.Packed.Generic-7672855-0
Create hunting rule

Win.Packed.njRAT-7672853-1
Create hunting rule

Win.Packed.Generic-9795615-0
Create hunting rule

Win.Packed.Generic-9795616-0
Create hunting rule

Result
Verdict:
Malware
Maliciousness:

Behaviour
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Sending a UDP request
Creating a process with a hidden window
Creating a window
DNS request
Using the Windows Management Instrumentation requests
Sending a custom TCP request
Unauthorized injection to a recently created process
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
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:
Darkcomet njRat RevengeRAT
Create hunting rule
Detection:
malicious
Classification:
rans.troj.adwa.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/562515
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Allocates memory in foreign processes
Antivirus / Scanner detection for submitted sample
Antivirus detection for dropped file
Changes the view of files in windows explorer (hidden files and folders)
Connects to many ports of the same IP (likely port scanning)
Contains functionality to capture and log keystrokes
Contains functionality to inject code into remote processes
Contains functionality to log keystrokes
Contains functionality to log keystrokes (.Net Source)
Contains functionalty to change the wallpaper
Creates a thread in another existing process (thread injection)
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Creates autostart registry keys with suspicious names
Creates multiple autostart registry keys
Detected Darkcomet RAT
Detected njRat
Disables UAC (registry)
Disables windows user account control
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files to the document folder of the user
Drops PE files to the startup folder
Drops VBS files to the startup folder
Found malware configuration
Installs a global keyboard hook
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Modifies the hosts file
Modifies the windows firewall
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Potential malicious VBS script found (has network functionality)
Protects its processes via BreakOnTermination flag
Queries sensitive service information (via WMI, Win32_LogicalDisk, often done to detect sandboxes)
Sigma detected: Drops script at startup location
Sigma detected: Register Wscript In Run Key
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
System process connects to network (likely due to code injection or exploit)
Uses dynamic DNS services
Uses known network protocols on non-standard ports
Uses netsh to modify the Windows network and firewall settings
Windows Shell Script Host drops VBS files
Writes to foreign memory regions
Wscript called in batch mode (surpress errors)
Yara detected DarkComet
Yara detected Njrat
Yara detected RevengeRAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 330348 Sample: mcyl1aQlAL.exe Startdate: 14/12/2020 Architecture: WINDOWS Score: 100 83 canonicalizer.ucsuri.tcs 2->83 85 552020.ddns.net 2->85 87 prda.aadg.msidentity.com 2->87 95 Sigma detected: Register Wscript In Run Key 2->95 97 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->97 99 Found malware configuration 2->99 101 31 other signatures 2->101 9 mcyl1aQlAL.exe 1 5 2->9         started        12 chrome.exe 4 2->12         started        14 Alternative Flash Playe.exe 3 2->14         started        16 3 other processes 2->16 signatures3 process4 file5 57 C:\Users\user\...\Alternative Flash Playe.exe, PE32 9->57 dropped 59 C:\Users\user\AppData\...\mcyl1aQlAL.exe.log, ASCII 9->59 dropped 18 Alternative Flash Playe.exe 7 12 9->18         started        61 C:\Users\user\AppData\Roaming\chrome.exe, PE32 12->61 dropped 23 chrome.exe 12->23         started        process6 dnsIp7 89 552020.ddns.net 41.232.107.99, 1177, 1604, 333 TE-ASTE-ASEG Egypt 18->89 49 C:\Users\user\AppData\Roaming\...\wwww.exe, PE32 18->49 dropped 51 C:\Users\user\AppData\Roaming\...\google.exe, PE32 18->51 dropped 53 C:\Users\user\AppData\Roaming\...\dark.exe, PE32 18->53 dropped 55 3 other malicious files 18->55 dropped 103 Creates autostart registry keys with suspicious names 18->103 105 Creates multiple autostart registry keys 18->105 25 wwww.exe 18->25         started        29 dark.exe 18->29         started        31 wscript.exe 18->31         started        33 4 other processes 18->33 107 Antivirus detection for dropped file 23->107 109 Machine Learning detection for dropped file 23->109 file8 signatures9 process10 dnsIp11 63 C:\Users\user\Documents\UNKRLCVOHV\wwww.exe, PE32 25->63 dropped 65 C:\Users\user\Documents\TQDFJHPUIU\wwww.exe, PE32 25->65 dropped 67 C:\Users\user\Documents\SQSJKEBWDT\wwww.exe, PE32 25->67 dropped 75 20 other files (10 malicious) 25->75 dropped 119 Protects its processes via BreakOnTermination flag 25->119 121 Changes the view of files in windows explorer (hidden files and folders) 25->121 123 Creates multiple autostart registry keys 25->123 125 Modifies the hosts file 25->125 36 netsh.exe 25->36         started        69 C:\Windows\SysWOW64\MSDCSC\msdcsc.exe, PE32 29->69 dropped 127 Creates an undocumented autostart registry key 29->127 129 Drops executables to the windows directory (C:\Windows) and starts them 29->129 131 Creates an autostart registry key pointing to binary in C:\Windows 29->131 139 3 other signatures 29->139 38 msdcsc.exe 29->38         started        42 notepad.exe 29->42         started        71 C:\Users\user\AppData\Local\Temp\test.vbs, ASCII 31->71 dropped 133 Potential malicious VBS script found (has network functionality) 31->133 135 Windows Shell Script Host drops VBS files 31->135 137 Drops VBS files to the startup folder 31->137 141 2 other signatures 31->141 44 wscript.exe 31->44         started        79 552020.ddns.net 33->79 81 192.168.2.1 unknown unknown 33->81 73 C:\Users\user\AppData\Local\Temp\google.exe, PE32 33->73 dropped 47 conhost.exe 33->47         started        file12 signatures13 process14 dnsIp15 91 552020.ddns.net 38->91 111 Disables UAC (registry) 38->111 113 Installs a global keyboard hook 38->113 115 Disables windows user account control 38->115 93 552020.ddns.net 44->93 77 C:\Users\user\AppData\Roaming\...\test.vbs, ASCII 44->77 dropped 117 System process connects to network (likely due to code injection or exploit) 44->117 file16 signatures17
Detection:
njrat
Create hunting rule
Link:
https://mwdb.cert.pl/sample/4ddb173a67ca5a5ccce340d40afcbfae4bc7d929ab41c07a6972269c6c71348b/
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Create hunting rule
Status:
Malicious
First seen:
2020-12-11 07:50:42 UTC
AV detection:
27 of 28 (96.43%)
Threat level:
  5/5
Detection(s):
Malicious file
Link:
https://check.spamhaus.org/check/?searchterm=jxnroothzjnfzthdidkav7f7vzf4pwjjvna4a6tjoitjy3drgsfq._file
Verdict:
malicious
Similar samples:
03e6b99846c4ab6a841fa7aa135d2e7230a98957c1595e2ee0bc2b14329871ca
njrat
1fccab885b5fbfef621f85299c5c698965a415f96e1966ef278d9268cb5d921a
njrat
23b916e5bb30f814e9819cf3499fe56820380b827b20f595022eabbd47267374
njrat
5270cd6488da8841fbe6f1fa6b91f7b27be14bfcd52d1f2f3925cc2973ef4944
njrat
78b1751491463b0d579eda079654d1dfb9296b98e2867b4fdc765256e5962398
njrat
94a32b234e3acda70a26f78a56620a6aa7cf6dc21672766e38a75211e13108aa
njrat
967db64d16674b438203bc9303f8e7ad4f424ada45eb28330dd61295ee86786d
njrat
9d8f404a77df431743b649f88642c7dd724c136eec43c94a55cfbb0f41d645c8
njrat
a3a2849495ec0b496a9270954ba4754d37c3ffba42890de7dc91318adc4dfd25
njrat
b54347c754b7095d0a38c7180eaa71e50c4431b7c721f7791483babb2610d17b
njrat
+ 77 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:njrat evasion persistence trojan
Link:
https://tria.ge/reports/201214-cte1atygh6/
Behaviour
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Adds Run key to start application
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
njRAT/Bladabindi
Unpacked files
SH256 hash:
4ddb173a67ca5a5ccce340d40afcbfae4bc7d929ab41c07a6972269c6c71348b
MD5 hash:
9115ca488f308a6f1f9ebf19a164b9e1
SHA1 hash:
8f64760441290cd44d5dcfa2286cc82d26cba699
Detections:
win_njrat_g1
Create hunting rule
win_njrat_w1
Create hunting rule
Link:
https://www.unpac.me/results/cc6cf155-3ad7-49a1-99f5-8de3050a1ad1/
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
NJRat
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/4ddb173a67ca5a5ccce340d40afcbfae4bc7d929ab41c07a6972269c6c71348b

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
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:Ping_Del_method_bin_mem
Create hunting rule
Author:James_inthe_box
Description:cmd ping IP nul del
Rule name:win_njrat_w1
Create hunting rule
Author:Brian Wallace @botnet_hunter
Description:Identify njRat

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/108008/

Comments