Analysis

  • max time kernel
    149s
  • max time network
    150s
  • platform
    windows10-2004_x64
  • resource
    win10v2004-20260130-en
  • resource tags

    arch:x64arch:x86image:win10v2004-20260130-enlocale:en-usos:windows10-2004-x64systemwindows
  • submitted
    20/04/2026, 01:23

General

  • Target
    Home Days.msi
  • Size 28.2MB
  • Sample260420-brzryabs3x
  • SHA256 94e9c184bacfd60f5756515d39cbe3293dd8b33f5841976eafb4e64c91467004
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Checks computer location settings 2 TTPs 1 IoCs

    Looks up country code configured in the registry, likely geofence.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 1 IoCs
  • Reads WinSCP keys stored on the system 2 TTPs

    Tries to access WinSCP stored sessions.

  • Reads user/profile data of web browsers 3 TTPs

    Infostealers often target stored browser data, which can include saved credentials etc.

  • Checks installed software on the system 1 TTPs

    Looks up Uninstall key entries in the registry to enumerate software on the system.

  • Enumerates connected drives 3 TTPs 46 IoCs

    Attempts to read the root path of hard drives other than the default C: drive.

  • Drops file in Windows directory 8 IoCs
  • Enumerates physical storage devices 1 TTPs

    Attempts to interact with connected storage/optical drive(s).

  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

    SCSI information is often read in order to detect sandboxing environments.

  • Checks processor information in registry 2 TTPs 24 IoCs

    Processor information is often read in order to detect sandboxing environments.

  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of WriteProcessMemory 6 IoCs
  • Uses Volume Shadow Copy service COM API

    The Volume Shadow Copy service is used to manage backups/snapshots.

Processes

  • C:\Windows\system32\msiexec.exe
    msiexec.exe /I "C:\Users\Admin\AppData\Local\Temp\Home Days.msi"
    1⤵
    • Enumerates connected drives
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    PID:2044
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4596
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:1112
    • C:\Windows\system32\wscript.exe
      wscript.exe //B //E:vbscript "CpHhpZBLlvx.vbs"
      2⤵
      • Checks computer location settings
      • Suspicious use of WriteProcessMemory
      PID:5044
      • C:\Users\Admin\AppData\Local\eFZHHK\fVqRvQvGjggjLRLgKigg.exe
        "C:\Users\Admin\AppData\Local\eFZHHK\fVqRvQvGjggjLRLgKigg.exe" "C:\Users\Admin\AppData\Local\eFZHHK\rUpUtbpPeqPsRcv"
        3⤵
        • Executes dropped EXE
        • Checks processor information in registry
        • Suspicious use of WriteProcessMemory
        PID:1672
        • C:\Users\Admin\AppData\Local\eFZHHK\fVqRvQvGjggjLRLgKigg.exe
          C:\Users\Admin\AppData\Local\eFZHHK\fVqRvQvGjggjLRLgKigg.exe C:\Users\Admin\AppData\Local\eFZHHK\zuSuHXEkf
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          • Suspicious use of WriteProcessMemory
          PID:4192
          • C:\Program Files\Google\Chrome\Application\chrome.exe
            C:\Program Files\Google\Chrome\Application\chrome.exe
            5⤵
              PID:744
            • C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              C:\Program Files (x86)\Microsoft\Edge\Application\msedge.exe
              5⤵
                PID:3388
      • C:\Windows\system32\vssvc.exe
        C:\Windows\system32\vssvc.exe
        1⤵
        • Checks SCSI registry key(s)
        • Suspicious use of AdjustPrivilegeToken
        PID:2532
      • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
        "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
        1⤵
          PID:1760
        • C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe
          "C:\Program Files\Google\Chrome\Application\140.0.7339.81\elevation_service.exe"
          1⤵
            PID:1020

          Network

                MITRE ATT&CK Enterprise v16

                Replay Monitor

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                Downloads

                e58339f.rbs

                • Path C:\Config.Msi\e58339f.rbs
                • Size 9KB
                • SHA256 3d2c0d8823eaaeb94fd47718eb2a23fb27699aefcfdc33f7cb063141d58fb2ca
                • MD5 SHA1 SHA512 SSDEEP TLSH

                2qg1ct21vemszwx4.node

                • Path C:\Users\Admin\AppData\Local\Temp\2qg1ct21vemszwx4.node
                • Size 373KB
                • SHA256 420470634f5cf449e7835827ffe2d60393a1bde789275cde108b70f28ab39fd4
                • MD5 SHA1 SHA512 SSDEEP TLSH

                CpHhpZBLlvx.vbs

                • Path C:\Users\Admin\AppData\Local\eFZHHK\CpHhpZBLlvx.vbs
                • Size 593B
                • SHA256 e310e638cf53e8200bb4ba7f21a708fd66c3e1b9b0aba8d302a614c567c0cddb
                • MD5 SHA1 SHA512 TLSH

                rUpUtbpPeqPsRcv

                • Path C:\Users\Admin\AppData\Local\eFZHHK\rUpUtbpPeqPsRcv
                • Size 307KB
                • SHA256 10767cc438958f763b6c3336b4c02b79c7779cb413c76c4fda393a6b9681f2a2
                • MD5 SHA1 SHA512 SSDEEP TLSH

                zuSuHXEkf

                • Path C:\Users\Admin\AppData\Local\eFZHHK\zuSuHXEkf
                • Size 2.5MB
                • SHA256 0f22d105dea8b3597d9e7925a3298e16a53b945f5f72cef9ca8cc71bcacbc5f2
                • MD5 SHA1 SHA512 SSDEEP TLSH

                zuSuHXEkf

                • Path C:\Users\Admin\AppData\Local\eFZHHK\zuSuHXEkf
                • Size 1.8MB
                • SHA256 611072b2e1a50ad66d5f3c4dcd2d9beeb6bf6d97ff3a049374859c62e0f203d2
                • MD5 SHA1 SHA512 SSDEEP TLSH

                zuSuHXEkf

                • Path C:\Users\Admin\AppData\Local\eFZHHK\zuSuHXEkf
                • Size 1.8MB
                • SHA256 b6b0ef9bc71380745bad281d09ac7ef69fc4feb304c7c5608e7484aa839e1481
                • MD5 SHA1 SHA512 SSDEEP TLSH

                e58339e.msi

                • Path C:\Windows\Installer\e58339e.msi
                • Size 28.2MB
                • SHA256 94e9c184bacfd60f5756515d39cbe3293dd8b33f5841976eafb4e64c91467004
                • MD5 SHA1 SHA512 SSDEEP TLSH

                metadata-2

                • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
                • Size 24.1MB
                • SHA256 425c3d5d82d17b205ecdb4d30ee3ec8d622a415476bac2970a7aa25fef427efc
                • MD5 SHA1 SHA512 SSDEEP TLSH

                {7e81dca2-0646-46a6-a389-3283071c9c71}_OnDiskSnapshotProp

                • Path \??\Volume{cb34a3fb-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{7e81dca2-0646-46a6-a389-3283071c9c71}_OnDiskSnapshotProp
                • Size 6KB
                • SHA256 4c366c5bbfcbf82f213500d98dd3c6d3dd41c6cb38b9cc5603d533465bc04f30
                • MD5 SHA1 SHA512 SSDEEP TLSH

                memory/4192-48-0x00007FFE37700000-0x00007FFE38204000-memory.dmp

                memory/4192-65-0x00007FFE37700000-0x00007FFE38204000-memory.dmp

                memory/4192-66-0x00007FFE37700000-0x00007FFE38204000-memory.dmp

                memory/4192-69-0x00007FFE37700000-0x00007FFE38204000-memory.dmp

                memory/4192-68-0x00007FF76AA90000-0x00007FF76F10F000-memory.dmp

                memory/5044-33-0x00000184207C0000-0x00000184207CC000-memory.dmp