MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 09bc9c08f80f93317cd8769f85d8921787c677033a5b12a6c310fb92d83f6e41. 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: 11


Intelligence 11 IOCs YARA 10 File information Comments

SHA256 hash: 09bc9c08f80f93317cd8769f85d8921787c677033a5b12a6c310fb92d83f6e41
SHA3-384 hash: 67ab4e0a536b7f3bd8c5161dcf55580392bdbe796ef3a26e480b7f5fe44c403fcebfc1b0ec2530f6eb56feda24bbebc9
SHA1 hash: 96e25aed75903a5a84be3175c6e834a44833bc5d
MD5 hash: a1b69800aeb7ecbc49ebb13ce4a88737
humanhash: lactose-muppet-timing-king
File name:09bc9c08f80f93317cd8769f85d8921787c677033a5b12a6c310fb92d83f6e41
Download: download sample
Signature njrat
File size:1'246'208 bytes
First seen:2021-09-28 09:22:41 UTC
Last seen:2021-09-28 10:16:03 UTC
File type:Executable exe
MIME type:application/x-dosexec
imphash 2e5467cba76f44a088d39f78c5e807b6 (58 x njrat, 35 x RedLineStealer, 31 x DCRat)
ssdeep 24576:e5Cunz2U3pf2TDdQc1BSLppkpYTBFf4obQ4E7x12VludRAgxlJ:27f2TG+BSdpkqTBFpbVE7xYudOMl
Threatray 3 similar samples on MalwareBazaar
TLSH T1CE4512C2BE81FAC2D122093522BE9614626C476756C8981AFC479E3F37F3980F957D4E
File icon (PE):PE icon
dhash icon 71c0b2968c8eec71 (1 x njrat)
Reporter @JAMESWT_MHT
Tags:exe NjRAT

Intelligence


File Origin
# of uploads :
2
# of downloads :
161
Origin country :
IT IT
Mail intelligence
No data
Vendor Threat Intelligence
ID:
1
File name:
09bc9c08f80f93317cd8769f85d8921787c677033a5b12a6c310fb92d83f6e41
Verdict:
Suspicious activity
Analysis date:
2021-09-28 10:24:44 UTC
Tags:
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
Creating a file
Creating a process from a recently created file
Creating a process with a hidden window
Using the Windows Management Instrumentation requests
Enabling the 'hidden' option for recently created files
Creating a window
DNS request
Connection attempt
Enabling autorun with the standard Software\Microsoft\Windows\CurrentVersion\Run registry branch
Launching the process to change the firewall settings
Creating a file in the mass storage device
Firewall traversal
Enabling autorun by creating a file
Enabling threat expansion on mass storage devices by creating the autorun.inf autorun file
Enabling a "Do not show hidden files" option
Result
Threat name:
Detection:
malicious
Classification:
spre.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
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 log keystrokes (.Net Source)
Contains functionality to spread to USB devices (.Net source)
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
Drops PE files to the user root directory
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 dropped file
Multi AV Scanner detection for submitted file
PE file has nameless sections
Tries to evade analysis by execution special instruction which cause usermode exception
Uses netsh to modify the Windows network and firewall settings
Yara detected Njrat
Behaviour
Behavior Graph:
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 492550 Sample: E0QkjJowwG Startdate: 28/09/2021 Architecture: WINDOWS Score: 100 32 8.tcp.ngrok.io 2->32 40 Malicious sample detected (through community Yara rule) 2->40 42 Antivirus detection for dropped file 2->42 44 Antivirus / Scanner detection for submitted sample 2->44 46 11 other signatures 2->46 9 E0QkjJowwG.exe 3 4 2->9         started        13 Yandex.exe 2 2->13         started        15 Yandex.exe 2 2->15         started        17 Yandex.exe 2 2->17         started        signatures3 process4 file5 30 C:\Users\user\Yandex.exe, PE32 9->30 dropped 56 Detected unpacking (changes PE section rights) 9->56 58 Detected unpacking (overwrites its own PE header) 9->58 60 Drops PE files to the user root directory 9->60 62 Tries to evade analysis by execution special instruction which cause usermode exception 9->62 19 Yandex.exe 4 5 9->19         started        64 Hides threads from debuggers 13->64 signatures6 process7 dnsIp8 34 13.58.157.220, 12549, 49706, 49714 AMAZON-02US United States 19->34 36 3.142.129.56, 12549, 49693, 49694 AMAZON-02US United States 19->36 38 4 other IPs or domains 19->38 28 C:\...\33a62d2d2e6f6fc30153b1b0408eca36.exe, PE32 19->28 dropped 48 Antivirus detection for dropped file 19->48 50 Multi AV Scanner detection for dropped file 19->50 52 Detected unpacking (changes PE section rights) 19->52 54 9 other signatures 19->54 24 netsh.exe 1 3 19->24         started        file9 signatures10 process11 process12 26 conhost.exe 24->26         started       
Threat name:
ByteCode-MSIL.Backdoor.Bladabhindi
Status:
Malicious
First seen:
2021-09-25 07:38:14 UTC
AV detection:
27 of 45 (60.00%)
Threat level:
  5/5
Result
Malware family:
n/a
Score:
  8/10
Tags:
evasion persistence
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
Drops startup file
Loads dropped DLL
Executes dropped EXE
Modifies Windows Firewall
Unpacked files
SH256 hash:
09bc9c08f80f93317cd8769f85d8921787c677033a5b12a6c310fb92d83f6e41
MD5 hash:
a1b69800aeb7ecbc49ebb13ce4a88737
SHA1 hash:
96e25aed75903a5a84be3175c6e834a44833bc5d

YARA Signatures


MalareBazaar uses YARA rules from several public and non-public repositories, such as Malpedia. Those are being matched against malware samples uploaded to MalwareBazaar as well as against any suspicious proccess dumps they may create. Please note that only results from TLP:WHITE rules are being displayeyd.

Rule name:EnigmaStub
Author:@bartblaze
Description:Identifies Enigma packer stub.
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:Skystars_LightDefender_Njrat_Rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Author:Skystars LightDefender
Description:imphash
Rule name:SUSP_XORed_URL_in_EXE
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:SUSP_XORed_URL_in_EXE_RID2E46
Author:Florian Roth
Description:Detects an XORed URL in an executable
Reference:https://twitter.com/stvemillertime/status/1237035794973560834
Rule name:win_njrat_w1
Author:Brian Wallace @botnet_hunter <bwall@ballastsecurity.net>
Description:Identify njRat
Rule name:win_smominru_auto
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.

Comments