MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 0f5f468b4a87a6d4c265b4dd740ba78e763da683d2a0bf64a7553a0bd1b99137. 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


MassLogger


Vendor detections: 9


Intelligence 9 IOCs YARA 1 File information Comments
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SHA256 hash: 0f5f468b4a87a6d4c265b4dd740ba78e763da683d2a0bf64a7553a0bd1b99137
SHA3-384 hash: 4ab3cea805f89e46b5cb37e1597a109adc0b04c51a03a4358070020eb5b4dbe7b4798154161d10411014a1fab09f662c
SHA1 hash: ee209c2ba28e755a3427bccd4b2cb9db4fdab089
MD5 hash: f51853706792e03c5fe870768433f9f2
humanhash: carpet-neptune-sink-august
File name:kccj_nova.vbs
Download: download sample
Signature MassLogger
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File size:84'207 bytes
First seen:2025-01-30 08:26:32 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 1536:UrdsEX0v6yEuOHsU3n0VIV8BnwtFvCkfZwwbhJy1rh71P1p47U9NTPuOl:ILxEG8BnwDvHJkdO70tuOl
TLSH T1D9834CC2CFBAC7A837E071F3FAD64CE8D02DCBA285501AE5E75495281CE7C2D59E8112
Magika vba
Reporter JAMESWT_WT
Tags:156-253-250-62 MassLogger Masslogger rat vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
98
Origin country :
IT IT
Vendor Threat Intelligence
Detection(s):
SecuriteInfo.com.Script.SNH-gen.7679.31840.UNOFFICIAL
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Verdict:
Malicious
Score:
96.5%
Link:
https://cyber-fortress.com/docs/result/index.php?id=6797195a752ec6ca68012a02
Tags:
obfuscate xtreme sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
obfuscated powershell
Link:
https://www.filescan.io/uploads/679b37d84587880099ba023c/reports/96e3357f-8755-44e6-8142-312fd4d506cf/overview
Verdict:
Malicious
Labled as:
BZC.MNT.Boxter.836
Link:
https://www.hybrid-analysis.com/sample/0f5f468b4a87a6d4c265b4dd740ba78e763da683d2a0bf64a7553a0bd1b99137
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Result
Threat name:
MassLogger RAT
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Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1602836
Signature
.NET source code contains a sample name check
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Bypasses PowerShell execution policy
Creates multiple autostart registry keys
Found malware configuration
Found suspicious powershell code related to unpacking or dynamic code loading
Joe Sandbox ML detected suspicious sample
Loading BitLocker PowerShell Module
Malicious sample detected (through community Yara rule)
Multi AV Scanner detection for submitted file
Sigma detected: Base64 Encoded PowerShell Command Detected
Sigma detected: Dot net compiler compiles file from suspicious location
Sigma detected: PowerShell Base64 Encoded FromBase64String Cmdlet
Sigma detected: PowerShell Base64 Encoded Invoke Keyword
Sigma detected: PowerShell Base64 Encoded WMI Classes
Sigma detected: Powerup Write Hijack DLL
Sigma detected: Register Wscript In Run Key
Sigma detected: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
VBScript performs obfuscated calls to suspicious functions
Windows Scripting host queries suspicious COM object (likely to drop second stage)
Wscript starts Powershell (via cmd or directly)
Yara detected AntiVM3
Yara detected MassLogger RAT
Yara detected Telegram RAT
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1602836 Sample: kccj_nova.vbs Startdate: 30/01/2025 Architecture: WINDOWS Score: 100 131 0x0.st 2->131 135 Sigma detected: Register Wscript In Run Key 2->135 137 Found malware configuration 2->137 139 Malicious sample detected (through community Yara rule) 2->139 141 17 other signatures 2->141 11 wscript.exe 2 2->11         started        15 wscript.exe 2->15         started        17 wscript.exe 2->17         started        19 11 other processes 2->19 signatures3 process4 file5 117 C:\Users\user\AppData\Local\Temp\c.bat, ASCII 11->117 dropped 159 VBScript performs obfuscated calls to suspicious functions 11->159 161 Wscript starts Powershell (via cmd or directly) 11->161 163 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->163 165 Suspicious execution chain found 11->165 21 cmd.exe 1 11->21         started        24 cmd.exe 15->24         started        26 cmd.exe 17->26         started        167 Loading BitLocker PowerShell Module 19->167 28 cmd.exe 19->28         started        30 cmd.exe 19->30         started        32 cmd.exe 19->32         started        34 8 other processes 19->34 signatures6 process7 signatures8 147 Suspicious powershell command line found 21->147 149 Wscript starts Powershell (via cmd or directly) 21->149 151 Bypasses PowerShell execution policy 21->151 36 cmd.exe 2 21->36         started        39 conhost.exe 21->39         started        41 cmd.exe 24->41         started        43 conhost.exe 24->43         started        45 cmd.exe 26->45         started        47 conhost.exe 26->47         started        49 2 other processes 28->49 51 2 other processes 30->51 53 2 other processes 32->53 process9 signatures10 143 Suspicious powershell command line found 36->143 145 Wscript starts Powershell (via cmd or directly) 36->145 55 powershell.exe 36->55         started        60 powershell.exe 35 36->60         started        62 conhost.exe 36->62         started        64 powershell.exe 41->64         started        66 2 other processes 41->66 68 3 other processes 45->68 70 2 other processes 49->70 72 2 other processes 51->72 74 2 other processes 53->74 process11 dnsIp12 133 0x0.st 168.119.145.117, 443, 49806, 59055 HETZNER-ASDE Germany 55->133 107 C:\Users\user\...\WindowsUpdate_257.vbs, ASCII 55->107 dropped 109 C:\Users\user\...\WindowsUpdate_257.bat, ASCII 55->109 dropped 153 Creates multiple autostart registry keys 55->153 155 Found suspicious powershell code related to unpacking or dynamic code loading 55->155 111 C:\Users\user\AppData\...\iydk15ri.cmdline, Unicode 60->111 dropped 157 Loading BitLocker PowerShell Module 60->157 76 csc.exe 3 60->76         started        79 cmstp.exe 8 7 60->79         started        113 C:\Users\user\...\WindowsUpdate_38.bat, ASCII 64->113 dropped 81 csc.exe 66->81         started        83 cmstp.exe 66->83         started        115 C:\Users\user\...\WindowsUpdate_30.bat, ASCII 68->115 dropped 85 csc.exe 68->85         started        87 cmstp.exe 68->87         started        89 2 other processes 70->89 91 2 other processes 72->91 93 2 other processes 74->93 file13 signatures14 process15 file16 119 C:\Users\user\AppData\Local\...\iydk15ri.dll, PE32 76->119 dropped 95 cvtres.exe 1 76->95         started        121 C:\Users\user\AppData\Local\...\hvpgdcp4.dll, PE32 81->121 dropped 97 cvtres.exe 81->97         started        123 C:\Users\user\AppData\Local\...\xoia1wjy.dll, PE32 85->123 dropped 99 cvtres.exe 85->99         started        125 C:\Users\user\AppData\Local\...\2cs5zvkk.dll, PE32 89->125 dropped 101 cvtres.exe 89->101         started        127 C:\Users\user\AppData\Local\...\ox5frhgn.dll, PE32 91->127 dropped 103 cvtres.exe 91->103         started        129 C:\Users\user\AppData\Local\...\3ibqiz4h.dll, PE32 93->129 dropped 105 cvtres.exe 93->105         started        process17
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/0f5f468b4a87a6d4c265b4dd740ba78e763da683d2a0bf64a7553a0bd1b99137
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/0f5f468b4a87a6d4c265b4dd740ba78e763da683d2a0bf64a7553a0bd1b99137/
Threat name:
Script-WScript.Packed.Boxter
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Status:
Malicious
First seen:
2025-01-27 05:27:56 UTC
File Type:
Text (VBS)
AV detection:
6 of 24 (25.00%)
Threat level:
  1/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=b5punc2kq6tnjqtfwtoxic5hrz3d3jud2kql6zfhku5axunzse3q._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250130-kceynawkgx/
Behaviour
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
Kills process with taskkill
Enumerates physical storage devices
System Location Discovery: System Language Discovery
Drops file in System32 directory
Adds Run key to start application
Checks computer location settings
Blocklisted process makes network request
Command and Scripting Interpreter: PowerShell
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:Base64_Encoded_Powershell_Directives
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File information

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

Web download

MassLogger

Visual Basic Script (vbs) vbs 0f5f468b4a87a6d4c265b4dd740ba78e763da683d2a0bf64a7553a0bd1b99137

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3420637/
  
Delivery method
Distributed via web download

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