Windows Analysis Report
1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll

Overview

General Information

Sample name: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll
Analysis ID: 1532607
MD5: 3ce5d54bde46137bbef67ce102877069
SHA1: e902d4a2eb7d79bb52d17a3e91bf4457315c6e2c
SHA256: 44000ef219ae772d52718f0b0930309165753a332ead8376816f154e5ebeafdd
Tags: base64-decodeddlluser-abuse_ch
Infos:

Detection

Score: 68
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Multi AV Scanner detection for submitted file
Sigma detected: Execute DLL with spoofed extension
.NET source code contains potential unpacker
AI detected suspicious sample
Machine Learning detection for sample
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)
Sample file is different than original file name gathered from version info

Classification

AV Detection
barindex
Multi AV Scanner detection for submitted file
Source: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll Virustotal: Detection: 17% Perma Link
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 88.3% probability
Machine Learning detection for sample
Source: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll Joe Sandbox ML: detected
Source: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE
Sample file is different than original file name gathered from version info
Source: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll Binary or memory string: OriginalFilenameClassLibrary3.dll< vs 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll
Source: classification engine Classification label: mal68.evad.winDLL@6/0@0/0
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:2300:120:WilError_03
Source: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll Static file information: TRID: Win32 Dynamic Link Library (generic) Net Framework (1011504/3) 50.14%
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\1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll",#1
Source: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll Virustotal: Detection: 17%
Source: unknown Process created: C:\Windows\System32\loaddll32.exe loaddll32.exe "C:\Users\user\Desktop\1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.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\1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll",#1
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll",#1
Source: C:\Windows\System32\loaddll32.exe Process created: C:\Windows\SysWOW64\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll",#1 Jump to behavior
Source: C:\Windows\SysWOW64\cmd.exe Process created: C:\Windows\SysWOW64\rundll32.exe rundll32.exe "C:\Users\user\Desktop\1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.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: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_COM_DESCRIPTOR
Source: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT, NO_SEH, TERMINAL_SERVER_AWARE

Data Obfuscation
barindex
.NET source code contains potential unpacker
Source: 1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll, Class1.cs .Net Code: MsqBIbY System.AppDomain.Load(byte[])
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\1728837011f2c8c4409febaf6c32a8ab478efe1cbe481eec5860f61fb84d06b6e12e91d6fe985.dat-decoded.dll",#1 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 signatures2 2 Behavior Graph ID: 1532607 Sample: 1728837011f2c8c4409febaf6c3... Startdate: 13/10/2024 Architecture: WINDOWS Score: 68 15 Multi AV Scanner detection for submitted file 2->15 17 Sigma detected: Execute DLL with spoofed extension 2->17 19 .NET source code contains potential unpacker 2->19 21 2 other signatures 2->21 7 loaddll32.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        process5 13 rundll32.exe 9->13         started       
⊘No contacted IP infos