Windows Analysis Report
windows_update.bat

Overview

General Information

Sample name: windows_update.bat
Analysis ID: 1446631
MD5: bd5cd31c13835577788478ffeb2acfe9
SHA1: c76d09b92859d99c64ed432d04e7b5d7c9bb341d
SHA256: 132951c84910600279fb9e2e2d55c307fd015dfdb34630b8b8f6c2ae3dae87e7
Tags: bat
Infos:

Detection

Score: 2
Range: 0 - 100
Whitelisted: false
Confidence: 80%

Signatures

Creates a process in suspended mode (likely to inject code)
Program does not show much activity (idle)
Queries the volume information (name, serial number etc) of a device
Sample execution stops while process was sleeping (likely an evasion)

Classification

Source: classification engine Classification label: clean2.winBAT@17/0@0/0
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:5672:120:WilError_03
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:5576:120:WilError_03
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:5972:120:WilError_03
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:6944:120:WilError_03
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:2016:120:WilError_03
Source: C:\Windows\System32\conhost.exe Mutant created: \Sessions\1\BaseNamedObjects\Local\SM0:4088:120:WilError_03
Source: unknown Process created: C:\Windows\System32\cmd.exe C:\Windows\system32\cmd.exe /c ""C:\Users\user\Desktop\windows_update.bat" "
Source: unknown Process created: C:\Windows\System32\cmd.exe C:\Windows\system32\cmd.exe /c ""C:\Users\user\Desktop\windows_update.bat" "
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe C:\Windows\system32\cmd.exe /K "C:\Users\user\Desktop\windows_update.bat" MY_FLAG
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\kam.cmd""
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\las.cmd""
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\zap.cmd""
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\xff.cmd""
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\conhost.exe C:\Windows\system32\conhost.exe 0xffffffff -ForceV1
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe C:\Windows\system32\cmd.exe /K "C:\Users\user\Desktop\windows_update.bat" MY_FLAG Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\kam.cmd"" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\las.cmd"" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\zap.cmd"" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\xff.cmd"" Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: cmdext.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Section loaded: cmdext.dll Jump to behavior
Source: C:\Windows\System32\cmd.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\System32\cmd.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\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
Source: C:\Windows\System32\conhost.exe Last function: Thread delayed
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\cmd.exe C:\Windows\system32\cmd.exe /K "C:\Users\user\Desktop\windows_update.bat" MY_FLAG Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\kam.cmd"" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\las.cmd"" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\zap.cmd"" Jump to behavior
Source: C:\Windows\System32\cmd.exe Process created: C:\Windows\System32\cmd.exe cmd /c ""C:\Users\user\Pictures\xff.cmd"" Jump to behavior
Queries the volume information (name, serial number etc) of a device
Source: C:\Windows\System32\cmd.exe Queries volume information: C:\ VolumeInformation Jump to behavior
windows-stand
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Legend:

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  • Signature
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  • Is Dropped
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  • 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 process2 2 Behavior Graph ID: 1446631 Sample: windows_update.bat Startdate: 23/05/2024 Architecture: WINDOWS Score: 2 7 cmd.exe 1 2->7         started        process3 9 cmd.exe 1 7->9         started        11 conhost.exe 7->11         started        process4 13 cmd.exe 1 9->13         started        15 cmd.exe 1 9->15         started        17 cmd.exe 1 9->17         started        19 2 other processes 9->19 process5 21 conhost.exe 13->21         started        23 conhost.exe 15->23         started        25 conhost.exe 17->25         started        27 conhost.exe 19->27         started       
⊘No contacted IP infos