Analysis

  • max time kernel
    118s
  • max time network
    128s
  • platform
    windows7_x64
  • resource
    win7-20240221-en
  • resource tags

    arch:x64arch:x86image:win7-20240221-enlocale:en-usos:windows7-x64system
  • submitted
    10-04-2024 18:38

General

  • Target

    resources/app.asar.unpacked/node_modules/screenshot-desktop/lib/win32/screenCapture_1.3.2.bat

  • Size

    13KB

  • MD5

    da0f40d84d72ae3e9324ad9a040a2e58

  • SHA1

    4ca7f6f90fb67dce8470b67010aa19aa0fd6253f

  • SHA256

    818350a4fb4146072a25f0467c5c99571c854d58bec30330e7db343bceca008b

  • SHA512

    30b7d4921f39c2601d94a3e3bb0e3be79b4b7b505e52523d2562f2e2f32154d555a593df87a71cddb61b98403265f42e0d6705950b37a155dc1d64113c719fd9

  • SSDEEP

    384:4cr8sEcBeIXxqXhQsBxf5oBLBfXQM8ybCpGW1KTM+:4KEcRQBTxWlPZxWpG+Qx

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:1632
    • 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:2872
      • 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\RES899A.tmp" "c:\Users\Admin\AppData\Local\Temp\resources\app.asar.unpacked\node_modules\screenshot-desktop\lib\win32\CSC7A3EF8E5182405394C5BFB3289A71.TMP"
        3⤵
          PID:2560
      • 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:2664

    Network

    MITRE ATT&CK Matrix

    Replay Monitor

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    Downloads

    • C:\Users\Admin\AppData\Local\Temp\RES899A.tmp

      Filesize

      1KB

      MD5

      4a10d2c2d8d6ee5680787bcd6b75c325

      SHA1

      ea225f4cfd2737746541fc535b6202b8b9264c7f

      SHA256

      e289bab789582102d0e2c034574d0276d102a05c2e4ccff7799be6051ec20543

      SHA512

      563db2ff51a281afcfe43587803a266d934f181ae1784a934c8dc290fc5eef932b2cfd2330acc5df99334f9bf0e5a8a72cdd5cec9933ae6030507920230359b2

    • C:\Users\Admin\AppData\Local\Temp\resources\app.asar.unpacked\node_modules\screenshot-desktop\lib\win32\screenCapture_1.3.2.exe

      Filesize

      12KB

      MD5

      cbc021b948bfa353daea6997f4f589b0

      SHA1

      0f7c16962d390011f5570facf8d0d4110437608e

      SHA256

      430733f08fb92d45777cec839ac5c094c50c593eeebdaab293c628d624129e9d

      SHA512

      2124fbf09bc78d5397f0fe4627116d26acdd45614acc5400f298e69a094783f7df24bef8b1b356216b0e84f01a22e183707e2c69bd6335b1c09df3a6d7e51349

    • \??\c:\Users\Admin\AppData\Local\Temp\resources\app.asar.unpacked\node_modules\screenshot-desktop\lib\win32\CSC7A3EF8E5182405394C5BFB3289A71.TMP

      Filesize

      1KB

      MD5

      a6f2d21624678f54a2abed46e9f3ab17

      SHA1

      a2a6f07684c79719007d434cbd1cd2164565734a

      SHA256

      ab96911d094b6070cbfb48e07407371ddb41b86e36628b6a10cdb11478192344

      SHA512

      0b286df41c3887eecff5c38cbd6818078313b555ef001151b41ac11b80466b2f4f39da518ab9c51eeff35295cb39d52824de13e026c35270917d7274f764c676

    • memory/2664-8-0x0000000000D00000-0x0000000000D0A000-memory.dmp

      Filesize

      40KB

    • memory/2664-9-0x000007FEF5720000-0x000007FEF610C000-memory.dmp

      Filesize

      9.9MB

    • memory/2664-10-0x000007FEF5720000-0x000007FEF610C000-memory.dmp

      Filesize

      9.9MB