Windows Analysis Report
ionic.zip.dll

Overview

General Information

Sample name: ionic.zip.dll
(renamed file extension from bin to dll)
Original sample name: ionic.zip.bin
Analysis ID: 1428620
MD5: 6ded8fcbf5f1d9e422b327ca51625e24
SHA1: 8a1140cebc39f6994eef7e8de4627fb7b72a2dd9
SHA256: 3b3e541682e48f3fd2872f85a06278da2f3e7877ee956da89b90d732a1eaa0bd
Infos:

Detection

Score: 0
Range: 0 - 100
Whitelisted: true
Confidence: 100%

Signatures

Creates a process in suspended mode (likely to inject code)
Program does not show much activity (idle)
Sample execution stops while process was sleeping (likely an evasion)
Uses 32bit PE files

Classification

Uses 32bit PE files
Source: ionic.zip.dll Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE, DLL
Source: ionic.zip.dll Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: Binary string: c:\DotNetZip\Zip\obj\Release\Ionic.Zip.pdb source: ionic.zip.dll
Source: Binary string: c:\DotNetZip\Zip\obj\Release\Ionic.Zip.pdb$# source: ionic.zip.dll
Source: ionic.zip.dll String found in binary or memory: http://www.codeplex.com/DotNetZip
Uses 32bit PE files
Source: ionic.zip.dll Static PE information: EXECUTABLE_IMAGE, 32BIT_MACHINE, DLL
Source: ionic.zip.dll, WinZipAesCipherStream.cs Cryptographic APIs: 'TransformBlock'
Source: ionic.zip.dll, WinZipAesCipherStream.cs Cryptographic APIs: 'TransformFinalBlock'
Source: ionic.zip.dll, WinZipAesCipherStream.cs Cryptographic APIs: 'TransformFinalBlock', 'TransformBlock'
Source: classification engine Classification label: clean2.winDLL@6/0@0/0
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:5232:120:WilError_03
Source: ionic.zip.dll Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: ionic.zip.dll Static file information: TRID: Win32 Dynamic Link Library (generic) Net Framework (1011504/3) 44.58%
Source: C:\Windows\System32\loaddll32.exe Key opened: HKEY_CURRENT_USER\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\ionic.zip.dll",#1
Source: unknown Process created: C:\Windows\System32\loaddll32.exe loaddll32.exe "C:\Users\user\Desktop\ionic.zip.dll"
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\ionic.zip.dll",#1
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\ionic.zip.dll",#1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\ionic.zip.dll",#1 Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\ionic.zip.dll",#1 Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Windows\System32\loaddll32.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exe Section loaded: apphelp.dll Jump to behavior
Source: ionic.zip.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: ionic.zip.dll Static PE information: DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Source: ionic.zip.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
Source: Binary string: c:\DotNetZip\Zip\obj\Release\Ionic.Zip.pdb source: ionic.zip.dll
Source: Binary string: c:\DotNetZip\Zip\obj\Release\Ionic.Zip.pdb$# source: ionic.zip.dll
Source: ionic.zip.dll Static PE information: section name: .text entropy: 6.821349263259562
Source: C:\Windows\SysWOW64\rundll32.exe Process information set: NOOPENFILEERRORBOX 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
Sample execution stops while process was sleeping (likely an evasion)
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\loaddll32.exe Thread delayed: delay time: 120000 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
Creates a process in suspended mode (likely to inject code)
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\ionic.zip.dll",#1 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 process2 2 Behavior Graph ID: 1428620 Sample: ionic.zip.bin Startdate: 19/04/2024 Architecture: WINDOWS Score: 0 6 loaddll32.exe 1 2->6         started        process3 8 cmd.exe 1 6->8         started        10 conhost.exe 6->10         started        process4 12 rundll32.exe 8->12         started       
⊘No contacted IP infos