Windows Analysis Report
RUNIT2.EXE

Overview

General Information

Sample name: RUNIT2.EXE
Analysis ID: 1544695
MD5: 78b8d332d18f94d703dfb6678287dd36
SHA1: 4929120c6e4d0173d4dbb1c8a314ab9e0ff7fdd5
SHA256: 6600911a77bf03e0d42290e1bcf8b7094c21670d6695d4746e16999db2b96cdc
Infos:

Detection

Score: 52
Range: 0 - 100
Whitelisted: false
Confidence: 100%

Signatures

Antivirus / Scanner detection for submitted sample
Sigma detected: Dot net compiler compiles file from suspicious location
Binary contains a suspicious time stamp
Compiles C# or VB.Net code
Creates a process in suspended mode (likely to inject code)
Drops PE files
Found dropped PE file which has not been started or loaded
PE file does not import any functions
Queries the volume information (name, serial number etc) of a device
Sigma detected: Dynamic .NET Compilation Via Csc.EXE

Classification

AV Detection
barindex
Antivirus / Scanner detection for submitted sample
Source: RUNIT2.EXE Avira: detected
PE file does not import any functions
Source: DiagPackage.dll.mui.11.dr Static PE information: No import functions for PE file found
Source: DiagPackage.dll.11.dr Static PE information: No import functions for PE file found
Source: classification engine Classification label: mal52.expl.winEXE@12/18@0/0
Source: C:\Windows\System32\pcwrun.exe File created: C:\Users\user\AppData\Local\Temp\PCWF86D.tmp Jump to behavior
Source: C:\Windows\System32\pcwrun.exe Key opened: HKEY_LOCAL_MACHINE\Software\Policies\Microsoft\Windows\Safer\CodeIdentifiers Jump to behavior
Source: unknown Process created: C:\Windows\System32\pcwrun.exe C:\Windows\system32\pcwrun.exe "C:\Users\user\Desktop\RUNIT2.EXE" ContextMenu
Source: C:\Windows\System32\pcwrun.exe Process created: C:\Windows\System32\msdt.exe C:\Windows\System32\msdt.exe -path C:\Windows\diagnostics\index\PCWDiagnostic.xml -af C:\Users\user\AppData\Local\Temp\PCWF86D.xml /skip TRUE
Source: unknown Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\hr5jugav.cmdline"
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES857A.tmp" "c:\Users\user\AppData\Local\Temp\CSC79526781084487E8E42D8F778C3DF69.TMP"
Source: unknown Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\rgr4voti.cmdline"
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES8D3A.tmp" "c:\Users\user\AppData\Local\Temp\CSC5FF1484DFEAC4FAA872A2D156A7AC56A.TMP"
Source: unknown Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\w3fyocc2.cmdline"
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES99AE.tmp" "c:\Users\user\AppData\Local\Temp\CSC5B8025FC83464292BBE495898E339EBE.TMP"
Source: C:\Windows\System32\pcwrun.exe Process created: C:\Windows\System32\msdt.exe C:\Windows\System32\msdt.exe -path C:\Windows\diagnostics\index\PCWDiagnostic.xml -af C:\Users\user\AppData\Local\Temp\PCWF86D.xml /skip TRUE Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES857A.tmp" "c:\Users\user\AppData\Local\Temp\CSC79526781084487E8E42D8F778C3DF69.TMP" Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES8D3A.tmp" "c:\Users\user\AppData\Local\Temp\CSC5FF1484DFEAC4FAA872A2D156A7AC56A.TMP" Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES99AE.tmp" "c:\Users\user\AppData\Local\Temp\CSC5B8025FC83464292BBE495898E339EBE.TMP" Jump to behavior
Source: C:\Windows\System32\pcwrun.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\pcwrun.exe Section loaded: uxtheme.dll Jump to behavior
Source: C:\Windows\System32\pcwrun.exe Section loaded: msxml6.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: version.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: mscoree.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: vcruntime140_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: ucrtbase_clr0400.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: cryptsp.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: rsaenh.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: cryptbase.dll Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe Section loaded: kernel.appcore.dll Jump to behavior
Source: C:\Windows\System32\pcwrun.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Classes\CLSID\{88d96a05-f192-11d4-a65f-0040963251e5}\InProcServer32 Jump to behavior
Source: C:\Windows\System32\msdt.exe File opened: C:\Windows\System32\MSFTEDIT.DLL Jump to behavior
Binary contains a suspicious time stamp
Source: DiagPackage.dll.11.dr Static PE information: 0xA1455ED7 [Mon Sep 27 17:13:59 2055 UTC]
Compiles C# or VB.Net code
Source: unknown Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\hr5jugav.cmdline"
Source: unknown Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\rgr4voti.cmdline"
Source: unknown Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe" /noconfig /fullpaths @"C:\Users\user\AppData\Local\Temp\w3fyocc2.cmdline"
Drops PE files
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe File created: C:\Users\user\AppData\Local\Temp\hr5jugav.dll Jump to dropped file
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe File created: C:\Users\user\AppData\Local\Temp\rgr4voti.dll Jump to dropped file
Source: C:\Windows\System32\msdt.exe File created: C:\Users\user\AppData\Local\Temp\SDIAG_3769ae4e-01bf-480c-897c-dac247b4f277\DiagPackage.dll Jump to dropped file
Source: C:\Windows\System32\msdt.exe File created: C:\Users\user\AppData\Local\Temp\SDIAG_3769ae4e-01bf-480c-897c-dac247b4f277\en-GB\DiagPackage.dll.mui Jump to dropped file
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe File created: C:\Users\user\AppData\Local\Temp\w3fyocc2.dll Jump to dropped file
Source: C:\Windows\System32\msdt.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process information set: NOOPENFILEERRORBOX Jump to behavior
Found dropped PE file which has not been started or loaded
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\hr5jugav.dll Jump to dropped file
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\rgr4voti.dll Jump to dropped file
Source: C:\Windows\System32\msdt.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\SDIAG_3769ae4e-01bf-480c-897c-dac247b4f277\DiagPackage.dll Jump to dropped file
Source: C:\Windows\System32\msdt.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\SDIAG_3769ae4e-01bf-480c-897c-dac247b4f277\en-GB\DiagPackage.dll.mui Jump to dropped file
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Dropped PE file which has not been started: C:\Users\user\AppData\Local\Temp\w3fyocc2.dll Jump to dropped file
Source: RUNIT2.EXE Binary or memory string: TXUH99iD0gD32l3LgD4CCwJyEGbB4hCL0GbT6ovCZsHqEMuD4R90BtHq0dji+suAPgILAnIQZsHi
Creates a process in suspended mode (likely to inject code)
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES857A.tmp" "c:\Users\user\AppData\Local\Temp\CSC79526781084487E8E42D8F778C3DF69.TMP" Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES8D3A.tmp" "c:\Users\user\AppData\Local\Temp\CSC5FF1484DFEAC4FAA872A2D156A7AC56A.TMP" Jump to behavior
Source: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\csc.exe Process created: C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe C:\Windows\Microsoft.NET\Framework64\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\user\AppData\Local\Temp\RES99AE.tmp" "c:\Users\user\AppData\Local\Temp\CSC5B8025FC83464292BBE495898E339EBE.TMP" Jump to behavior
Queries the volume information (name, serial number etc) of a device
Source: C:\Windows\System32\msdt.exe Queries volume information: C:\Windows\System32\CatRoot\{F750E6C3-38EE-11D1-85E5-00C04FC295EE}\Microsoft-Windows-Client-Features-Package0316~31bf3856ad364e35~amd64~~10.0.19041.1949.cat VolumeInformation Jump to behavior
Source: C:\Windows\System32\msdt.exe Key value queried: HKEY_LOCAL_MACHINE\SOFTWARE\Microsoft\Cryptography MachineGuid 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 signatures2 2 Behavior Graph ID: 1544695 Sample: RUNIT2.EXE Startdate: 29/10/2024 Architecture: WINDOWS Score: 52 34 Antivirus / Scanner detection for submitted sample 2->34 36 Sigma detected: Dot net compiler compiles file from suspicious location 2->36 6 pcwrun.exe 2 2->6         started        8 csc.exe 3 2->8         started        11 csc.exe 3 2->11         started        13 csc.exe 3 2->13         started        process3 file4 15 msdt.exe 21 6->15         started        24 C:\Users\user\AppData\Local\...\hr5jugav.dll, PE32 8->24 dropped 18 cvtres.exe 1 8->18         started        26 C:\Users\user\AppData\Local\...\rgr4voti.dll, PE32 11->26 dropped 20 cvtres.exe 1 11->20         started        28 C:\Users\user\AppData\Local\...\w3fyocc2.dll, PE32 13->28 dropped 22 cvtres.exe 1 13->22         started        process5 file6 30 C:\Users\user\AppData\...\DiagPackage.dll.mui, PE32 15->30 dropped 32 C:\Users\user\AppData\...\DiagPackage.dll, PE32+ 15->32 dropped
⊘No contacted IP infos