Windows Analysis Report
jsv.js

Overview

General Information

Sample name: jsv.js
Analysis ID: 1530691
MD5: f4da914becc120f5f88ac4a395ada3cb
SHA1: d0fdb88d7bc0c8c2a66fb04ef803550026a36cae
SHA256: 4f71f92d33d769dbf2ce31b458e9eac68532bc863d60b4161a31b22f36de272a
Infos:

Detection

Score: 22
Range: 0 - 100
Whitelisted: false
Confidence: 80%

Signatures

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

Source: wscript.exe, 00000000.00000003.1780321005.00000162F9C6E000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000002.1780609757.00000162F9C70000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779657602.00000162F9C5F000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://aadcdn.msauth.net/shared/1.0/content/images/
Source: wscript.exe, 00000000.00000003.1779588604.00000162F9CBB000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779526252.00000162F9C71000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779888432.00000162F9CAF000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1684101104.00000162FB9D2000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779341162.00000162FB9EF000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779773435.00000162FBB41000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000002.1780624337.00000162F9CAF000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1780089472.00000162F9CAF000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000002.1780801603.00000162FBAE0000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779727190.00000162FB9EF000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779421296.00000162FBB42000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1684159276.00000162FB9EF000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://aadcdn.msauth.net/shared/1.0/content/images/backgrounds/2_11d9e3bcdfede9ce5ce5ace2d129f1c4.s
Source: wscript.exe, 00000000.00000003.1779421296.00000162FBB42000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779773435.00000162FBAE1000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1684159276.00000162FB9EF000.00000004.00000020.00020000.00000000.sdmp, jsv.js String found in binary or memory: https://aadcdn.msauth.net/shared/1.0/content/images/microsoft_logo_564db913a7fa0ca42727161c6d031bef.
Source: wscript.exe, 00000000.00000003.1779588604.00000162F9CBB000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779526252.00000162F9C71000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1684101104.00000162FB9D2000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1683707906.00000162FB9F0000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779297875.00000162FBB71000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779483421.00000162F9CFA000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779421296.00000162FBB42000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779773435.00000162FBAE1000.00000004.00000020.00020000.00000000.sdmp, jsv.js String found in binary or memory: https://aadcdn.msauth.net/shared/1.0/content/images/picker_verify_sms_12b7d768ba76f2e782cc74e3281710
Source: wscript.exe, 00000000.00000003.1779773435.00000162FBB9E000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779421296.00000162FBB9E000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000002.1780801603.00000162FBB9E000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://aadcdn.msftauth.net/shared/1.0/content/images/appbackgrounds/49_6ffe0a92d779c878835b40171ffc
Source: wscript.exe, 00000000.00000003.1779588604.00000162F9CBB000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779526252.00000162F9C71000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1684101104.00000162FB9D2000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1683707906.00000162FB9F0000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779773435.00000162FBAE1000.00000004.00000020.00020000.00000000.sdmp, jsv.js String found in binary or memory: https://google.com
Source: wscript.exe, 00000000.00000003.1779588604.00000162F9CBB000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779526252.00000162F9C71000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1684101104.00000162FB9D2000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1683707906.00000162FB9F0000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779297875.00000162FBB71000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779483421.00000162F9CFA000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779421296.00000162FBB42000.00000004.00000020.00020000.00000000.sdmp, wscript.exe, 00000000.00000003.1779773435.00000162FBAE1000.00000004.00000020.00020000.00000000.sdmp, jsv.js String found in binary or memory: https://logincdn.msauth.net/shared/1.0/content/images/arrow_left_7cc096da6aa2dba3f81fcc1c8262157c.pn
Source: jsv.js String found in binary or memory: https://logincdn.msauth.net/shared/1.0/content/images/arrow_left_a9cc2824ef3517b6c4160dcf8ff7d410.sv
Source: wscript.exe, 00000000.00000003.1684101104.00000162FB9D2000.00000004.00000020.00020000.00000000.sdmp String found in binary or memory: https://softwarereviews.s3.amazonaws.com/production/favicons/offerings/3117/original/Sharepoint_icon
Java / VBScript file with very long strings (likely obfuscated code)
Source: jsv.js Initial sample: Strings found which are bigger than 50
Source: classification engine Classification label: sus22.winJS@1/0@0/0
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: jscript.dll Jump to behavior
Source: C:\Windows\System32\wscript.exe Section loaded: iertutil.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: coremessaging.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\{f414c260-6ac0-11cf-b6d1-00aa00bbbb58}\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: 1530691 Sample: jsv.js Startdate: 10/10/2024 Architecture: WINDOWS Score: 22 7 Sigma detected: WScript or CScript Dropper 2->7 5 wscript.exe 2->5         started        process3
⊘No contacted IP infos