MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 89b129e7f88a0d4fd5d977b3cb427866a157ef99abccc3e41c564b5a2441dafa. 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 2 YARA 21 File information Comments
Download sample Add tag Delete this sample Report a False Positive

SHA256 hash: 89b129e7f88a0d4fd5d977b3cb427866a157ef99abccc3e41c564b5a2441dafa
SHA3-384 hash: 78796d0bd470f63760529d6993b79271f53577d5a8ce42bd15f752768926a0e7d22e9f7c4d00f7ce687e030c70fc8fc6
SHA1 hash: 31cb6c33badba8193cb53df994e9a1db72ac5b0e
MD5 hash: 63975e8c7e5307c832199dfdab8917f5
humanhash: single-hotel-saturn-california
File name:H2J1M7D65PAYMENTRECEIPT.vbs
Download: download sample
Signature njrat
Create hunting rule
File size:3'002 bytes
First seen:2022-01-04 18:05:40 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 48:9oUcoEL9QZxIGLMHX6Bt6k12Y3xse2t29XmXeowTlQ:jcoEBQEmMHKBtL12YyMXmOo+Q
Threatray 3'661 similar samples on MalwareBazaar
TLSH T16D517ACDB006261F64F37AEBC46B27A268377546C78815A20B252E578770FDBA4CD3A1
Reporter abuse_ch
Tags:NjRAT RAT vbs


Avatar
abuse_ch
njrat C2:
192.3.121.222:4000

Indicators Of Compromise (IOCs)

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

IOCThreatFox Reference
192.3.121.222:4000 https://threatfox.abuse.ch/ioc/290927/
194.5.98.31:8090 https://threatfox.abuse.ch/ioc/290928/

Intelligence

File Origin
# of uploads :
1
# of downloads :
342
Origin country :
n/a
Vendor Threat Intelligence
Detection:
Neshta
Create hunting rule
Link:
https://www.capesandbox.com/analysis/217305/
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
powershell
Link:
https://www.filescan.io/uploads/61d48c8ebfe53d318f2625f7/reports/86974c8f-6da5-45d1-ad59-d8dcc2002290/overview
Result
Verdict:
UNKNOWN
Result
Threat name:
Nanocore njRat HTMLPhisher Neshta
Create hunting rule
Detection:
malicious
Classification:
spre.phis.troj.spyw.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/915407
Signature
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
C2 URLs / IPs found in malware configuration
Contains functionality to log keystrokes (.Net Source)
Creates an autostart registry key pointing to binary in C:\Windows
Creates an undocumented autostart registry key
Detected Nanocore Rat
Detected njRat
Drops executable to a common third party application directory
Drops executables to the windows directory (C:\Windows) and starts them
Drops PE files with a suspicious file extension
Found malware configuration
Hides that the sample has been downloaded from the Internet (zone.identifier)
Infects executable files (exe, dll, sys, html)
Injects a PE file into a foreign processes
Machine Learning detection for dropped file
Malicious sample detected (through community Yara rule)
Modifies the windows firewall
Obfuscated command line found
Protects its processes via BreakOnTermination flag
Sigma detected: NanoCore
Sigma detected: Suspicious PowerShell Command Line
Snort IDS alert for network traffic (e.g. based on Emerging Threat rules)
Uses dynamic DNS services
Uses netsh to modify the Windows network and firewall settings
VBScript performs obfuscated calls to suspicious functions
Very long command line found
Writes to foreign memory regions
Wscript starts Powershell (via cmd or directly)
Yara detected HtmlPhish44
Yara detected Nanocore RAT
Yara detected Neshta
Yara detected Njrat
Yara detected Powershell download and execute
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 547885 Sample: H2J1M7D65PAYMENTRECEIPT.vbs Startdate: 04/01/2022 Architecture: WINDOWS Score: 100 59 jannewyearomo.duckdns.org 2->59 69 Snort IDS alert for network traffic (e.g. based on Emerging Threat rules) 2->69 71 Found malware configuration 2->71 73 Malicious sample detected (through community Yara rule) 2->73 75 16 other signatures 2->75 10 wscript.exe 1 2->10         started        13 svchost.com 2->13         started        15 svchost.com 2->15         started        17 svchost.com 2->17         started        signatures3 process4 signatures5 83 VBScript performs obfuscated calls to suspicious functions 10->83 85 Wscript starts Powershell (via cmd or directly) 10->85 87 Obfuscated command line found 10->87 89 Very long command line found 10->89 19 powershell.exe 14 22 10->19         started        24 conhost.exe 13->24         started        26 conhost.exe 15->26         started        28 conhost.exe 17->28         started        process6 dnsIp7 67 swmen.com 107.180.25.2, 49764, 49770, 80 AS-26496-GO-DADDY-COM-LLCUS United States 19->67 45 C:\ProgramDatabehaviorgraphenetorbehaviorgraphenetor.HTA, HTML 19->45 dropped 77 Creates an undocumented autostart registry key 19->77 79 Writes to foreign memory regions 19->79 81 Injects a PE file into a foreign processes 19->81 30 aspnet_compiler.exe 19->30         started        34 aspnet_compiler.exe 19->34         started        37 aspnet_compiler.exe 19->37         started        39 2 other processes 19->39 file8 signatures9 process10 dnsIp11 47 C:\Windows\svchost.com, PE32 30->47 dropped 49 C:\ProgramData\...\vcredist_x86.exe, PE32 30->49 dropped 51 C:\ProgramData\...\VC_redist.x64.exe, PE32 30->51 dropped 57 106 other files (105 malicious) 30->57 dropped 91 Drops executable to a common third party application directory 30->91 93 Infects executable files (exe, dll, sys, html) 30->93 61 legend4000.duckdns.org 192.3.121.222, 4000, 49775 AS-COLOCROSSINGUS United States 34->61 53 C:\ProgramDatabehaviorgraphenetor\Microsoft.Exe, PE32 34->53 dropped 95 Protects its processes via BreakOnTermination flag 34->95 97 Drops PE files with a suspicious file extension 34->97 99 Creates an autostart registry key pointing to binary in C:\Windows 34->99 103 2 other signatures 34->103 41 netsh.exe 34->41         started        63 jannewyearomo.duckdns.org 194.5.98.31, 49773, 49774, 49776 DANILENKODE Netherlands 37->63 65 192.168.2.1 unknown unknown 37->65 55 C:\Users\user\AppData\Roaming\...\run.dat, ISO-8859 37->55 dropped 101 Hides that the sample has been downloaded from the Internet (zone.identifier) 37->101 file12 signatures13 process14 process15 43 conhost.exe 41->43         started       
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/89b129e7f88a0d4fd5d977b3cb427866a157ef99abccc3e41c564b5a2441dafa/
Threat name:
Script-WScript.Downloader.Nemucod
Create hunting rule
Status:
Malicious
First seen:
2022-01-04 18:06:10 UTC
File Type:
Text (VBS)
AV detection:
11 of 28 (39.29%)
Threat level:
  3/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=rgystz7yrigu7vozo6z4wqtym2qvp34zvpgmhza4kzfvujcb3l5a._file
Verdict:
malicious
Label(s):
nanocorerat
Create hunting rule
njrat
Create hunting rule
Similar samples:
0b1396805e736275f16550f3ecc5361cfcccc468094b4ea910ded8eaf430a5b3
njrat
195e0df7c1b02f419fa8e1a915876382ee68b372e01b60df24b76c8c39315f7a
njrat
4f97e52ca46091f7651cfebc671b00a7c8c1abd92e2b532eb141c0266eecb2f0
njrat
525b7d66ed7032178d6fed1686560143655af76f12c8b344f03f09632a4287d7
njrat
8bf0518cd0c607aa51073dfe422f6af43ab8b43523bd0c182cc6172c9ecb9072
njrat
8de953938b8fb2d222892012da5758cefe50de064f61416c2bc2c6e6f019352c
njrat
e9fc037cd4104162c1a600754a87d9aec3d3b983ad4146954c5ef9ca49752783
njrat
+ 3'651 additional samples on MalwareBazaar
Result
Malware family:
njrat
Create hunting rule
Score:
  10/10
Tags:
family:nanocore family:neshta family:njrat botnet:hacked evasion keylogger persistence spyware stealer suricata trojan
Link:
https://tria.ge/reports/220104-wprc1ahfgp/
Behaviour
Modifies registry class
Suspicious behavior: EnumeratesProcesses
Suspicious behavior: GetForegroundWindowSpam
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Enumerates physical storage devices
Drops file in Program Files directory
Drops file in Windows directory
Suspicious use of SetThreadContext
Adds Run key to start application
Blocklisted process makes network request
Modifies Windows Firewall
Detect Neshta Payload
Modifies system executable filetype association
NanoCore
Neshta
njRAT/Bladabindi
suricata: ET MALWARE Generic njRAT/Bladabindi CnC Activity (ll)
Malware Config
C2 Extraction:
jannewyearomo.duckdns.org:8090
Dropper Extraction:
http://swmen.com/ven/frder.txt
Please note that we are no longer able to provide a coverage score for Virus Total.
Threat name:
Malicious File
Score:
1.00
Link:
https://yomi.yoroi.company/submissions/89b129e7f88a0d4fd5d977b3cb427866a157ef99abccc3e41c564b5a2441dafa

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:ach_NanoCore
Create hunting rule
Author:abuse.ch
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:CN_disclosed_20180208_c_RID2E71
Create hunting rule
Author:Florian Roth
Description:Detects malware from disclosed CN malware set
Reference:https://twitter.com/cyberintproject/status/961714165550342146
Rule name:MALWARE_Win_NanoCore
Create hunting rule
Author:ditekSHen
Description:Detects NanoCore
Rule name:MALWARE_Win_Neshta
Create hunting rule
Author:ditekSHen
Description:Detects Neshta
Rule name:MALWARE_Win_NjRAT
Create hunting rule
Author:ditekSHen
Description:Detects NjRAT / Bladabindi
Rule name:MAL_Neshta_Generic
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:MAL_Neshta_Generic_RID2DC9
Create hunting rule
Author:Florian Roth
Description:Detects Neshta malware
Reference:Internal Research
Rule name:Nanocore
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect Nanocore in memory
Reference:internal research
Rule name:nanocore_rat
Create hunting rule
Author:jeFF0Falltrades
Rule name:Nanocore_RAT_Feb18_1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Feb18_1_RID2DF1
Create hunting rule
Author:Florian Roth
Description:Detects Nanocore RAT
Reference:Internal Research - T2T
Rule name:Nanocore_RAT_Gen_2
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Nanocore_RAT_Gen_2_RID2D96
Create hunting rule
Author:Florian Roth
Description:Detetcs the Nanocore RAT
Reference:https://www.sentinelone.com/blogs/teaching-an-old-rat-new-tricks/
Rule name:Njrat
Create hunting rule
Author:JPCERT/CC Incident Response Group
Description:detect njRAT in memory
Rule name:pe_imphash
Create hunting rule
Rule name:Skystars_LightDefender_Njrat_Rule
Create hunting rule
Author:Skystars LightDefender
Description:Detects Njrat
Rule name:Skystars_Malware_Imphash
Create hunting rule
Author:Skystars LightDefender
Description:imphash
Rule name:win_nanocore_w0
Create hunting rule
Author:Kevin Breen <kevin@techanarchy.net>
Rule name:win_neshta_auto
Create hunting rule
Author:Felix Bilstein - yara-signator at cocacoding dot com
Description:autogenerated rule brought to you by yara-signator
Rule name:win_njrat_w1
Create hunting rule
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.

Cape
Cape
https://www.capesandbox.com/analysis/217305/

Comments