Analysis

  • max time kernel
    148s
  • max time network
    150s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    01/08/2026, 12:16

General

  • Target
    eStatement967280680_pdf.msi
  • Size 8.2MB
  • Sample260801-pffrksvblf
  • SHA256 fba3a850b8ffc97e9972be08caff5735a5ed175fada4c2d1474cdd5f0543b0ec
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Badlisted process makes network request 4 IoCs

    Network request originating from process or tool commonly abused by malware.

  • Loads dropped DLL 8 IoCs
  • 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 11 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • Checks SCSI registry key(s) 3 TTPs 5 IoCs

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

  • Suspicious use of AdjustPrivilegeToken 53 IoCs
  • Suspicious use of FindShellTrayWindow 1 IoCs
  • Suspicious use of SetWindowsHookEx 3 IoCs
  • Suspicious use of WriteProcessMemory 4 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\eStatement967280680_pdf.msi
    1⤵
    • Badlisted process makes network request
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2508
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Windows directory
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5940
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
      • Suspicious use of AdjustPrivilegeToken
      PID:2320
    • C:\Windows\System32\MsiExec.exe
      C:\Windows\System32\MsiExec.exe -Embedding 64B6358D4B7871168BBF1DE354AF2E3F
      2⤵
      • Loads dropped DLL
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:1064
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI70C1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240742875 2 Atera.Agent.Installer.Msi.Ca!Atera.Agent.Installer.Msi.Ca.CustomActions.GenerateAgentId
        3⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:4208
      • C:\Windows\system32\rundll32.exe
        rundll32.exe "C:\Windows\Installer\MSI78C1.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240744781 6 Atera.Agent.Installer.Msi.Ca!Atera.Agent.Installer.Msi.Ca.CustomActions.ShouldContinueInstallation
        3⤵
        • Badlisted process makes network request
        • Loads dropped DLL
        • Drops file in Windows directory
        • Suspicious use of AdjustPrivilegeToken
        PID:476
  • C:\Windows\system32\vssvc.exe
    C:\Windows\system32\vssvc.exe
    1⤵
    • Checks SCSI registry key(s)
    • Suspicious use of AdjustPrivilegeToken
    PID:5648

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

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        Downloads

        MSI70C1.tmp

        • Path C:\Windows\Installer\MSI70C1.tmp
        • Size 346KB
        • SHA256 49ebef91ef1b97e84466c706b9b3639ef936ce28662a2c9f87dc5519a268ca73
        • MD5 SHA1 SHA512 SSDEEP TLSH

        CustomAction.config

        • Path C:\Windows\Installer\SFXCA4706763EDC4C83792076147202334809\CustomAction.config
        • Size 956B
        • SHA256 2dbc73a3bc444a9119c9b5e20276698384d9ad9535a8a7547c44d1b9a8d67346
        • MD5 SHA1 SHA512 TLSH

        WixToolset.Dtf.WindowsInstaller.dll

        • Path C:\Windows\Installer\SFXCA4706763EDC4C83792076147202334809\WixToolset.Dtf.WindowsInstaller.dll
        • Size 193KB
        • SHA256 a614884ea627da1925131ebf41e8ae202caeac0fe543b86384f5eb2bfaf1aa75
        • MD5 SHA1 SHA512 SSDEEP TLSH

        Atera.Agent.Installer.Msi.Ca.dll

        • Path C:\Windows\Installer\SFXCA9CC03A22E04AD93BBE09FFBAB39AACA5\Atera.Agent.Installer.Msi.Ca.dll
        • Size 74KB
        • SHA256 3b409ea721a72c23e7307a37a1b1778860194c53ddeefd6921a4b114c99989c4
        • MD5 SHA1 SHA512 SSDEEP TLSH

        metadata-2

        • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
        • Size 26.1MB
        • SHA256 d702d4d564d5d2c304fbe1ce01b80cc917e5583306c47c48cfbced37fcf5feeb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        {f281c4ce-9b5f-4888-add2-fbca7b48b6d8}_OnDiskSnapshotProp

        • Path \??\Volume{6392210f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{f281c4ce-9b5f-4888-add2-fbca7b48b6d8}_OnDiskSnapshotProp
        • Size 6KB
        • SHA256 4d8658aa15aa3eab3a6572fecdbabaa0cd86e9f40ebf71240dc86669cb375c4a
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/476-44-0x000001D08FA00000-0x000001D08FA12000-memory.dmp

        memory/476-45-0x000001D08FAB0000-0x000001D08FAEC000-memory.dmp

        memory/4208-20-0x000001D1A3C50000-0x000001D1A3C84000-memory.dmp

        memory/4208-24-0x000001D1A3C10000-0x000001D1A3C26000-memory.dmp