MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 63d4943fbc9e572db52df96729327f29c0342f7b7f192d823dc7a322116f033d. 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 1 YARA 9 File information Comments

SHA256 hash: 63d4943fbc9e572db52df96729327f29c0342f7b7f192d823dc7a322116f033d
SHA3-384 hash: e1415fe251571e6235f1bf2ac8500446764dd02fc4ca3df902d4929c118ad0c76d003f92069e8f4c5326888836948ad6
SHA1 hash: 81f2908cbb43a41fac8208a9805c06521331f512
MD5 hash: ad24b1319a3a895d8b83a0deae7eac57
humanhash: fillet-football-jersey-eight
File name:ad24b1319a3a895d8b83a0deae7eac57.exe
Download: download sample
Signature njrat
File size:79'872 bytes
First seen:2021-12-16 12:21:27 UTC
Last seen:Never
File type:Executable exe
MIME type:application/x-dosexec
imphash f34d5f2d4577ed6d9ceec516c1f5a744 (49'119 x AgentTesla, 20'125 x Formbook, 12'359 x SnakeKeylogger)
ssdeep 1536:2tD+6Y9yhU1uDppS5wpOk3JCK6pFooXd6fOpd/9nEh9TGQJHR:ghU1AQwpOk5CK6iO/9ESQJH
Threatray 67 similar samples on MalwareBazaar
TLSH T14A733A4877F54A12D1BF0DB5897292220B35FC075E26F76D09D174AA5FB36C08A09FB2
Reporter abuse_ch
Tags:exe NjRAT RAT


Avatar
abuse_ch
njrat C2:
105.157.33.26:7075

Indicators Of Compromise (IOCs)


Below is a list of indicators of compromise (IOCs) associated with this malware samples.

IOCThreatFox Reference
105.157.33.26:7075 https://threatfox.abuse.ch/ioc/276616/

Intelligence


File Origin
# of uploads :
1
# of downloads :
278
Origin country :
n/a
Vendor Threat Intelligence
Result
Verdict:
Malware
Maliciousness:

Behaviour
Searching for the window
Сreating synchronization primitives
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
DNS request
Launching a process
Enabling the 'hidden' option for recently created files
Creating a file in the %temp% directory
Creating a process from a recently created file
Creating a file
Enabling the 'hidden' option for files in the %temp% directory
Deleting a recently created file
Creating a window
Launching a tool to kill processes
Creating a file in the mass storage device
Unauthorized injection to a recently created process
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-debug anti-vm greyware keylogger njrat obfuscated packed rat
Result
Threat name:
Detection:
malicious
Classification:
troj.adwa.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
Changes the view of files in windows explorer (hidden files and folders)
Contains functionality to log keystrokes (.Net Source)
Drops PE files to the startup folder
Found malware configuration
Machine Learning detection for dropped file
Machine Learning detection for sample
Malicious sample detected (through community Yara rule)
Moves itself to temp directory
Multi AV Scanner detection for dropped file
Multi AV Scanner detection for submitted file
Protects its processes via BreakOnTermination flag
Sigma detected: Suspicius Add Task From User AppData Temp
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
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: 540993 Sample: 3OGDPN7735.exe Startdate: 16/12/2021 Architecture: WINDOWS Score: 100 83 daudas.ddns.net 2->83 89 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->89 91 Found malware configuration 2->91 93 Malicious sample detected (through community Yara rule) 2->93 95 13 other signatures 2->95 11 3OGDPN7735.exe 1 5 2->11         started        16 3OGDPN7735.exe 2 2->16         started        18 Client.exe 2->18         started        20 Client.exe 2->20         started        signatures3 process4 dnsIp5 87 192.168.2.1 unknown unknown 11->87 79 C:\Users\user\AppData\Local\Temp\Client.exe, PE32 11->79 dropped 81 C:\Users\user\AppData\...\3OGDPN7735.exe.log, ASCII 11->81 dropped 105 Uses schtasks.exe or at.exe to add and modify task schedules 11->105 22 Client.exe 2 6 11->22         started        27 taskkill.exe 1 11->27         started        29 taskkill.exe 1 11->29         started        39 2 other processes 11->39 31 taskkill.exe 1 16->31         started        33 taskkill.exe 1 16->33         started        35 schtasks.exe 1 16->35         started        37 schtasks.exe 1 16->37         started        41 4 other processes 18->41 file6 signatures7 process8 dnsIp9 85 daudas.ddns.net 105.157.33.26, 49788, 49800, 49811 MT-MPLSMA Morocco 22->85 77 C:\Users\user\AppData\Roaming\...\Client.exe, PE32 22->77 dropped 97 Antivirus detection for dropped file 22->97 99 Multi AV Scanner detection for dropped file 22->99 101 Protects its processes via BreakOnTermination flag 22->101 103 4 other signatures 22->103 55 4 other processes 22->55 43 conhost.exe 27->43         started        45 conhost.exe 29->45         started        47 conhost.exe 31->47         started        49 conhost.exe 33->49         started        51 conhost.exe 35->51         started        53 conhost.exe 37->53         started        57 2 other processes 39->57 59 4 other processes 41->59 file10 signatures11 process12 process13 61 conhost.exe 55->61         started        63 conhost.exe 55->63         started        65 conhost.exe 55->65         started        67 conhost.exe 55->67         started        process14 69 taskkill.exe 61->69         started        71 taskkill.exe 61->71         started        process15 73 conhost.exe 69->73         started        75 conhost.exe 71->75         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-12-14 11:02:21 UTC
File Type:
PE (.Net Exe)
Extracted files:
1
AV detection:
41 of 45 (91.11%)
Threat level:
  5/5
Result
Malware family:
Score:
  10/10
Tags:
family:njrat botnet:lime suricata trojan
Behaviour
Creates scheduled task(s)
Kills process with taskkill
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops startup file
Loads dropped DLL
Executes dropped EXE
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
suricata: ET MALWARE njRAT/Bladabindi Variant (Lime) CnC Checkin
Malware Config
C2 Extraction:
daudas.ddns.net:7075
Unpacked files
SH256 hash:
63d4943fbc9e572db52df96729327f29c0342f7b7f192d823dc7a322116f033d
MD5 hash:
ad24b1319a3a895d8b83a0deae7eac57
SHA1 hash:
81f2908cbb43a41fac8208a9805c06521331f512
Detections:
win_njrat_w1 win_njrat_g1
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:CN_disclosed_20180208_c
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:CN_disclosed_20180208_c_RID2E71
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:INDICATOR_SUSPICIOUS_EXE_UACBypass_EventViewer
Author:ditekSHen
Description:detects Windows exceutables potentially bypassing UAC using eventvwr.exe
Rule name:MALWARE_Win_NjRAT
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:Njrat
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
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.

Comments