Resubmissions

23/03/2024, 20:50

240323-zmtl5aeg7z10

23/03/2024, 01:09

240323-bh4drsbd5610

22/03/2024, 21:56

240322-1tr8baca3v10

22/03/2024, 02:58

240322-dglhnsff4910

Analysis

  • max time kernel
    122s
  • max time network
    145s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    22/03/2024, 02:58

General

  • Target
    resources/app.asar.unpacked/node_modules/screenshot-desktop/lib/win32/screenCapture_1.3.2.bat
  • Size 13KB
  • Sample240322-dglhnsff49
  • SHA256 818350a4fb4146072a25f0467c5c99571c854d58bec30330e7db343bceca008b
  • MD5 SHA1 SHA512 SSDEEP
Score
7/10

Malware Config

Signatures

  • Executes dropped EXE 1 IoCs
  • Suspicious behavior: CmdExeWriteProcessMemorySpam 1 IoCs
  • Suspicious use of WriteProcessMemory 11 IoCs

Processes

  • C:\Windows\system32\cmd.exe
    cmd /c "C:\Users\Admin\AppData\Local\Temp\resources\app.asar.unpacked\node_modules\screenshot-desktop\lib\win32\screenCapture_1.3.2.bat"
    1⤵
    • Suspicious use of WriteProcessMemory
    PID:2388
    • C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe
      C:\Windows\Microsoft.NET\Framework\v4.0.30319\csc.exe /nologo /r:"Microsoft.VisualBasic.dll" /win32manifest:"app.manifest" /out:"screenCapture_1.3.2.exe" "C:\Users\Admin\AppData\Local\Temp\RESOUR~1\APPASA~1.UNP\NODE_M~1\SCREEN~1\lib\win32\SCREEN~1.BAT"
      2⤵
      • Suspicious behavior: CmdExeWriteProcessMemorySpam
      • Suspicious use of WriteProcessMemory
      PID:2536
      • C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe
        C:\Windows\Microsoft.NET\Framework\v4.0.30319\cvtres.exe /NOLOGO /READONLY /MACHINE:IX86 "/OUT:C:\Users\Admin\AppData\Local\Temp\RES2B64.tmp" "c:\Users\Admin\AppData\Local\Temp\resources\app.asar.unpacked\node_modules\screenshot-desktop\lib\win32\CSC7204AF746E4E4197A08E1E61D17E3.TMP"
        3⤵
          PID:2376
      • C:\Users\Admin\AppData\Local\Temp\resources\app.asar.unpacked\node_modules\screenshot-desktop\lib\win32\screenCapture_1.3.2.exe
        screenCapture_1.3.2.exe
        2⤵
        • Executes dropped EXE
        PID:2432

    Network

          MITRE ATT&CK Matrix

          Replay Monitor

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          Downloads

          RES2B64.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\RES2B64.tmp
          • Size 1KB
          • SHA256 8068bf5b921553c98c025dbcbc7747e6ed617e59e8ec7a1d58772ba3256e63c7
          • MD5 SHA1 SHA512

          screenCapture_1.3.2.exe

          • Path C:\Users\Admin\AppData\Local\Temp\resources\app.asar.unpacked\node_modules\screenshot-desktop\lib\win32\screenCapture_1.3.2.exe
          • Size 12KB
          • SHA256 085265931a95e14877c92a20653b8dd080ed642c4ada255457c8b0e862c2344f
          • MD5 SHA1 SHA512 SSDEEP

          CSC7204AF746E4E4197A08E1E61D17E3.TMP

          • Path \??\c:\Users\Admin\AppData\Local\Temp\resources\app.asar.unpacked\node_modules\screenshot-desktop\lib\win32\CSC7204AF746E4E4197A08E1E61D17E3.TMP
          • Size 1KB
          • SHA256 ab96911d094b6070cbfb48e07407371ddb41b86e36628b6a10cdb11478192344
          • MD5 SHA1 SHA512

          memory/2432-8-0x00000000008D0000-0x00000000008DA000-memory.dmp

          memory/2432-9-0x000007FEF58F0000-0x000007FEF62DC000-memory.dmp

          memory/2432-10-0x000007FEF58F0000-0x000007FEF62DC000-memory.dmp