Analysis Report #U5e94#U4ed8#U5e10#U5355.JS

Overview

General Information

Sample Name: #U5e94#U4ed8#U5e10#U5355.JS
Analysis ID: 339444
MD5: 8928fc2990f2c4ecb3209c4281c68612
SHA1: 409182c8b6e8f83c4841473d8a31602493129da9
SHA256: 22ad37a20a155fd94df9ac2d68eb8099eb21d24c95689b7b6a2ff28c1b67765e

Most interesting Screenshot:

Detection

Score: 1
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

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)

Classification

System Summary:

barindex
Java / VBScript file with very long strings (likely obfuscated code)
Source: #U5e94#U4ed8#U5e10#U5355.JS Initial sample: Strings found which are bigger than 50
Source: classification engine Classification label: clean1.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 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

Malware Analysis System Evasion:

barindex
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

Anti Debugging:

barindex
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
Hide Legend

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 process2 2 Behavior Graph ID: 339444 Sample: #U5e94#U4ed8#U5e10#U5355.JS Startdate: 14/01/2021 Architecture: WINDOWS Score: 1 4 wscript.exe 2->4         started       
No contacted IP infos