MalwareBazaar Database

You are currently viewing the MalwareBazaar entry for SHA256 d53671139f6447e4938fe515dc4fae6c1ac08a68ca39de119e98ab985a055f4b. 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


Threat unknown


Vendor detections: 8


Intelligence 8 IOCs YARA 1 File information Comments
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SHA256 hash: d53671139f6447e4938fe515dc4fae6c1ac08a68ca39de119e98ab985a055f4b
SHA3-384 hash: 5f0a4834d97270e070937edc896b13168d21d6a8e9aadcb462f3c2121388d7e445a59d64be86aa7fdbaa9e258c238f19
SHA1 hash: 21b34514b4812d14970a763787a5c3a9dfb07de1
MD5 hash: 1d1cfd0db592fd9a89db98eccbac66c6
humanhash: tango-rugby-alpha-low
File name:mainfile.vbs
Download: download sample
File size:525'157 bytes
First seen:2025-01-30 08:26:38 UTC
Last seen:Never
File type:Visual Basic Script (vbs) vbs
MIME type:text/plain
ssdeep 12288:d9MLa4OyYX6TXjZe7lUSA/7NCW4inF1adi6K9:dr4BnXjZDSA/70vHu9
TLSH T148B412BB8BA81F8933373553F1DED3B0186EC8A1C1D886B79699E4911C7ABF413D8185
Magika vba
Reporter JAMESWT_WT
Tags:156-253-250-62 vbs

Intelligence

File Origin
# of uploads :
1
# of downloads :
94
Origin country :
IT IT
Vendor Threat Intelligence
Verdict:
Malicious
Score:
94.9%
Link:
https://cyber-fortress.com/docs/result/index.php?id=679b392629ae628cf42b75be
Tags:
dropper shell sage
Verdict:
Malicious
Threat level:
  10/10
Confidence:
100%
Tags:
anti-vm fingerprint monero obfuscated powershell
Link:
https://www.filescan.io/uploads/679b37d9de5af00b3e26bfbf/reports/cb9f5021-648a-4cbf-8b82-0e6bfd777a94/overview
Verdict:
Unknown
Link:
https://www.hybrid-analysis.com/sample/d53671139f6447e4938fe515dc4fae6c1ac08a68ca39de119e98ab985a055f4b
Result
Verdict:
MALICIOUS
Details
Base64 Encoded Powershell Directives
Detected one or more base64 encoded Powershell directives.
Result
Threat name:
n/a
Detection:
malicious
Classification:
troj.expl.evad
Score:
100 / 100
Link:
https://www.joesandbox.com/analysis/1602835
Signature
.NET source code contains a sample name check
.NET source code contains method to dynamically call methods (often used by packers)
.NET source code contains potential unpacker
.NET source code references suspicious native API functions
Antivirus detection for URL or domain
Bypasses PowerShell execution policy
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)
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: Suspicious PowerShell Parameter Substring
Sigma detected: WScript or CScript Dropper
Suspicious execution chain found
Suspicious powershell command line found
Tries to detect sandboxes and other dynamic analysis tools (process name or module or function)
Uses cmd line tools excessively to alter registry or file data
Uses known network protocols on non-standard ports
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 Costura Assembly Loader
Behaviour
Behavior Graph:
Download SVG
behaviorgraph top1 dnsIp2 2 Behavior Graph ID: 1602835 Sample: mainfile.vbs Startdate: 30/01/2025 Architecture: WINDOWS Score: 100 99 0x0.st 2->99 105 Malicious sample detected (through community Yara rule) 2->105 107 Antivirus detection for URL or domain 2->107 109 Yara detected AntiVM3 2->109 111 14 other signatures 2->111 11 wscript.exe 2 2->11         started        15 cmd.exe 2->15         started        17 cmd.exe 2->17         started        19 6 other processes 2->19 signatures3 process4 file5 89 C:\Users\user\AppData\Local\Temp\c.bat, ASCII 11->89 dropped 131 VBScript performs obfuscated calls to suspicious functions 11->131 133 Wscript starts Powershell (via cmd or directly) 11->133 135 Windows Scripting host queries suspicious COM object (likely to drop second stage) 11->135 137 Suspicious execution chain found 11->137 21 cmd.exe 1 11->21         started        24 cmd.exe 15->24         started        26 conhost.exe 15->26         started        28 cmd.exe 17->28         started        30 conhost.exe 17->30         started        139 Loading BitLocker PowerShell Module 19->139 32 conhost.exe 19->32         started        34 conhost.exe 19->34         started        36 conhost.exe 19->36         started        38 3 other processes 19->38 signatures6 process7 signatures8 113 Suspicious powershell command line found 21->113 115 Wscript starts Powershell (via cmd or directly) 21->115 117 Uses cmd line tools excessively to alter registry or file data 21->117 119 Bypasses PowerShell execution policy 21->119 40 cmd.exe 2 21->40         started        43 conhost.exe 21->43         started        45 powershell.exe 24->45         started        47 powershell.exe 24->47         started        49 conhost.exe 24->49         started        51 reg.exe 24->51         started        53 powershell.exe 28->53         started        55 conhost.exe 28->55         started        57 2 other processes 28->57 process9 signatures10 121 Suspicious powershell command line found 40->121 123 Wscript starts Powershell (via cmd or directly) 40->123 125 Uses cmd line tools excessively to alter registry or file data 40->125 59 powershell.exe 40->59         started        63 powershell.exe 14 35 40->63         started        66 conhost.exe 40->66         started        68 reg.exe 40->68         started        70 csc.exe 45->70         started        72 cmstp.exe 45->72         started        127 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 47->127 129 Loading BitLocker PowerShell Module 53->129 74 csc.exe 53->74         started        76 cmstp.exe 53->76         started        process11 dnsIp12 101 156.253.250.62, 49738, 49821, 49895 POWERLINE-AS-APPOWERLINEDATACENTERHK Seychelles 59->101 141 Tries to detect sandboxes and other dynamic analysis tools (process name or module or function) 59->141 143 Found suspicious powershell code related to unpacking or dynamic code loading 59->143 103 0x0.st 168.119.145.117, 443, 49731, 49739 HETZNER-ASDE Germany 63->103 93 C:\Users\user\AppData\...\tharg5j3.cmdline, Unicode 63->93 dropped 145 Loading BitLocker PowerShell Module 63->145 78 csc.exe 3 63->78         started        81 cmstp.exe 8 7 63->81         started        95 C:\Users\user\AppData\Local\...\sfv2ihet.dll, PE32 70->95 dropped 83 cvtres.exe 70->83         started        97 C:\Users\user\AppData\Local\...\tsajwjnw.dll, PE32 74->97 dropped 85 cvtres.exe 74->85         started        file13 signatures14 process15 file16 91 C:\Users\user\AppData\Local\...\tharg5j3.dll, PE32 78->91 dropped 87 cvtres.exe 1 78->87         started        process17
Score:
100%
Verdict:
Malware
File Type:
SCRIPT
Link:
https://malprob.io/report/d53671139f6447e4938fe515dc4fae6c1ac08a68ca39de119e98ab985a055f4b
Detection:
n/a
Link:
https://mwdb.cert.pl/sample/d53671139f6447e4938fe515dc4fae6c1ac08a68ca39de119e98ab985a055f4b/
Threat name:
Win32.Trojan.Generic
Create hunting rule
Status:
Suspicious
First seen:
2025-01-30 08:18:57 UTC
File Type:
Text (VBS)
AV detection:
7 of 24 (29.17%)
Threat level:
  5/5
Detection(s):
Suspicious file
Link:
https://check.spamhaus.org/check/?searchterm=2u3hce47mrd6je4p4uk5yt5onqnmbctizi454em6tcvzqwqfl5fq._file
Result
Malware family:
n/a
Score:
  8/10
Tags:
discovery execution persistence
Link:
https://tria.ge/reports/250130-kce9esxqbp/
Behaviour
Kills process with taskkill
Suspicious behavior: CmdExeWriteProcessMemorySpam
Suspicious behavior: EnumeratesProcesses
Suspicious use of AdjustPrivilegeToken
Suspicious use of WriteProcessMemory
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
Create hunting rule

File information

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

Web download

Visual Basic Script (vbs) vbs d53671139f6447e4938fe515dc4fae6c1ac08a68ca39de119e98ab985a055f4b

(this sample)

  
URLhaus
https://urlhaus.abuse.ch/url/3420660/
  
Delivery method
Distributed via web download

Comments