Windows Analysis Report
Blake3.dll.dll

Overview

General Information

Sample name: Blake3.dll.dll
(renamed file extension from exe to dll)
Original sample name: Blake3.dll.exe
Analysis ID: 1523621
MD5: d463cdfb8a433d9f916cf3bc6fd82109
SHA1: 1ee9185142ff8329eb0ac10535e9b2fb963651fe
SHA256: 230bd8803629aabe80bf4b4a109787b330ca1c8200b6a04ccd91d5f480c5446e
Tags: exeuser-bdmss
Infos:

Detection

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

Signatures

AI detected suspicious sample
Checks if the current process is being debugged
Creates a process in suspended mode (likely to inject code)
PE file contains sections with non-standard names
Program does not show much activity (idle)
Sample execution stops while process was sleeping (likely an evasion)

Classification

AV Detection
barindex
AI detected suspicious sample
Source: Submited Sample Integrated Neural Analysis Model: Matched 87.8% probability
Source: Blake3.dll.dll Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT
Source: Blake3.dll.dll Static PE information: Section: .reloc IMAGE_SCN_CNT_INITIALIZED_DATA, IMAGE_SCN_MEM_DISCARDABLE, IMAGE_SCN_MEM_READ, IMAGE_SCN_MEM_WRITE
Source: classification engine Classification label: sus22.winDLL@12/0@0/0
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:7276:120:WilError_03
Source: Blake3.dll.dll Static PE information: Section: .text IMAGE_SCN_CNT_CODE, IMAGE_SCN_MEM_EXECUTE, IMAGE_SCN_MEM_READ
Source: C:\Windows\System32\loaddll64.exe Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\Blake3.dll.dll,Blake3Finalize
Source: unknown Process created: C:\Windows\System32\loaddll64.exe loaddll64.exe "C:\Users\user\Desktop\Blake3.dll.dll"
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\Blake3.dll.dll",#1
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\Blake3.dll.dll,Blake3Finalize
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe "C:\Users\user\Desktop\Blake3.dll.dll",#1
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\Blake3.dll.dll,Blake3Free
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\Blake3.dll.dll,Blake3Init
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\cmd.exe cmd.exe /C rundll32.exe "C:\Users\user\Desktop\Blake3.dll.dll",#1 Jump to behavior
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\Blake3.dll.dll,Blake3Finalize Jump to behavior
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\Blake3.dll.dll,Blake3Free Jump to behavior
Source: C:\Windows\System32\loaddll64.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe C:\Users\user\Desktop\Blake3.dll.dll,Blake3Init Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe "C:\Users\user\Desktop\Blake3.dll.dll",#1 Jump to behavior
Source: C:\Windows\System32\loaddll64.exe Section loaded: apphelp.dll Jump to behavior
Source: C:\Windows\System32\loaddll64.exe Section loaded: btcr.dll Jump to behavior
Source: C:\Windows\System32\rundll32.exe Automated click: OK
Source: C:\Windows\System32\rundll32.exe Automated click: OK
Source: C:\Windows\System32\rundll32.exe Automated click: OK
Source: C:\Windows\System32\rundll32.exe Automated click: OK
Source: C:\Windows\System32\rundll32.exe Automated click: OK
Source: Window Recorder Window detected: More than 3 window changes detected
Source: Blake3.dll.dll Static PE information: Image base 0x180000000 > 0x60000000
Source: Blake3.dll.dll Static PE information: HIGH_ENTROPY_VA, DYNAMIC_BASE, NX_COMPAT
Source: Blake3.dll.dll Static PE information: data directory type: IMAGE_DIRECTORY_ENTRY_DEBUG
PE file contains sections with non-standard names
Source: Blake3.dll.dll Static PE information: section name: _RDATA
Source: C:\Windows\System32\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\rundll32.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\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
Checks if the current process is being debugged
Source: C:\Windows\System32\loaddll64.exe Process queried: DebugPort 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\System32\cmd.exe Process created: C:\Windows\System32\rundll32.exe rundll32.exe "C:\Users\user\Desktop\Blake3.dll.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
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  • Visual Basic
  • Delphi
  • Java
  • .Net C# or VB.NET
  • C, C++ or other language
  • Is malicious
  • Internet
behaviorgraph top1 signatures2 2 Behavior Graph ID: 1523621 Sample: Blake3.dll.exe Startdate: 01/10/2024 Architecture: WINDOWS Score: 22 19 AI detected suspicious sample 2->19 7 loaddll64.exe 1 2->7         started        process3 process4 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        13 rundll32.exe 7->13         started        15 2 other processes 7->15 process5 17 rundll32.exe 9->17         started       
⊘No contacted IP infos