Windows Analysis Report
L7kjcyPckT.vbs

Overview

General Information

Sample name: L7kjcyPckT.vbs
renamed because original name is a hash value
Original sample name: a0771738725f59e58c1827f393b28bd3.vbs
Analysis ID: 1533051
MD5: a0771738725f59e58c1827f393b28bd3
SHA1: 120c4777e4d3f0c2e2bacf51924dc1c0f4cc5fcc
SHA256: 510eb28ef36bcab2e83d57ff5e3a5fda79303ec9aa2442b39fe9a8790b0c138c
Tags: vbsuser-abuse_ch
Infos:

Detection

Score: 48
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Potential malicious VBS script found (suspicious strings)
Sigma detected: WScript or CScript Dropper
Found WSH timer for Javascript or VBS script (likely evasive script)
Java / VBScript file with very long strings (likely obfuscated code)
Program does not show much activity (idle)
Sigma detected: WSF/JSE/JS/VBA/VBE File Execution Via Cscript/Wscript

Classification

System Summary
barindex
Potential malicious VBS script found (suspicious strings)
Source: Initial file: UAC.ShellExecute cmd, param, "", "runas", 1
Java / VBScript file with very long strings (likely obfuscated code)
Source: L7kjcyPckT.vbs Initial sample: Strings found which are bigger than 50
Source: classification engine Classification label: mal48.winVBS@1/0@0/0
Source: unknown Process created: C:\Windows\System32\wscript.exe C:\Windows\System32\WScript.exe "C:\Users\user\Desktop\L7kjcyPckT.vbs"
Source: C:\Windows\System32\wscript.exe Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: sxs.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: vbscript.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: amsi.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: userenv.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: profapi.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: wldp.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: msasn1.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: msisip.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: wshext.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: scrobj.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: textshaping.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: textinputframework.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: coreuicomponents.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: coremessaging.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: ntmarta.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: wintypes.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{B54F3741-5B07-11cf-A4B0-00AA004A55E8}\InprocServer32 Jump to behavior
Source: C:\Windows\System32\wscript.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\wscript.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Found WSH timer for Javascript or VBS script (likely evasive script)
Source: C:\Windows\System32\wscript.exe Window found: window name: WSH-Timer Jump to behavior
Program does not show much activity (idle)
Source: all processes Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected
Program does not show much activity (idle)
Source: all processes Thread injection, dropped files, key value created, disk infection and DNS query: no activity detected
Source: C:\Windows\System32\wscript.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid Jump to behavior
windows-stand
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Legend:

  • Process
  • Signature
  • Created File
  • DNS/IP Info
  • Is Dropped
  • Is Windows Process
  • Number of created Registry Values
  • Number of created Files
  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1533051 Sample: L7kjcyPckT.vbs Startdate: 14/10/2024 Architecture: WINDOWS Score: 48 7 Potential malicious VBS script found (suspicious strings) 2->7 9 Sigma detected: WScript or CScript Dropper 2->9 5 wscript.exe 2->5         started        process3
⊘No contacted IP infos