Analysis

  • user interaction
    yes
  • max time kernel
    84s
  • max time network
    89s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    09/08/2026, 13:32

General

  • Target
    PhoenixAC.msi
  • Size 952KB
  • Sample260809-qs1g7aycrd
  • SHA256 afd68063d53aaf1a7aca3e03303452765906bc30e23b597ffbb3a0667c327c8d
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 3 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 Program Files directory 6 IoCs
  • Drops file in Windows directory 14 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 1 IoCs

    Attempt gather information about the system language of a victim in order to infer the geographical location of that host.

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

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

  • Modifies data under HKEY_USERS 3 IoCs
  • Modifies registry class 23 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 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\PhoenixAC.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:2560
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies data under HKEY_USERS
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:2944
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 48F499CA2ADFA54F761B160ABCD9F823 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4816
      • C:\Program Files\PhoenixAC\Updater.exe
        "C:\Program Files\PhoenixAC\Updater.exe"
        3⤵
        • Executes dropped EXE
        • Drops file in Program Files directory
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of WriteProcessMemory
        PID:3512
        • C:\Program Files\PhoenixAC\PhoenixAgent.exe
          "C:\Program Files\PhoenixAC\PhoenixAgent.exe"
          4⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • Suspicious behavior: EnumeratesProcesses
          PID:5432
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:2360
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:2924

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e59ccec.rbs

          • Path C:\Config.Msi\e59ccec.rbs
          • Size 8KB
          • SHA256 610739d2978d182c4a7560324e0559537215afb72eed29ebb45cb66430066472
          • MD5 SHA1 SHA512 SSDEEP TLSH

          PhoenixAgent.exe

          • Path C:\Program Files\PhoenixAC\PhoenixAgent.exe
          • Size 3.8MB
          • SHA256 cbca0137163ebceb2b3ac7ae6f419e385fe45068b31b09f7687eaf7042ce9446
          • MD5 SHA1 SHA512 SSDEEP TLSH

          Updater.exe

          • Path C:\Program Files\PhoenixAC\Updater.exe
          • Size 512KB
          • SHA256 f6508eafe16c27fe5a273cc558fd3cf92a77deaf15a104db79b5392e771f8bc0
          • MD5 SHA1 SHA512 SSDEEP TLSH

          WebView2Loader.dll

          • Path C:\Program Files\PhoenixAC\WebView2Loader.dll
          • Size 159KB
          • SHA256 12f7708910e1aac5cc9ac43603d122f1d2e770ae2651830a07ef8b3117f28c55
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI6506.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI6506.tmp
          • Size 234KB
          • SHA256 78860e15e474cc2af7ad6e499a8971b6b8197afb8e49a1b9eaaa392e4378f3a5
          • MD5 SHA1 SHA512 SSDEEP TLSH

          MSI70C1.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI70C1.tmp
          • Size 132KB
          • SHA256 7f47d98ab25cfea9b3a2e898c3376cc9ba1cd893b4948b0c27caa530fd0e34cc
          • MD5 SHA1 SHA512 SSDEEP TLSH

          e59cceb.msi

          • Path C:\Windows\Installer\e59cceb.msi
          • Size 952KB
          • SHA256 afd68063d53aaf1a7aca3e03303452765906bc30e23b597ffbb3a0667c327c8d
          • MD5 SHA1 SHA512 SSDEEP TLSH

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 26.1MB
          • SHA256 2ff34e7e7342e487e22839ef527d808927b7e842cd21180cd18e5cae34472b66
          • MD5 SHA1 SHA512 SSDEEP TLSH

          {d552f8df-3f7c-4954-9c90-391f01aaf473}_OnDiskSnapshotProp

          • Path \??\Volume{c61f8367-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d552f8df-3f7c-4954-9c90-391f01aaf473}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 edeb5a6ebc86a39b5bdd52442ea094be89d98b644af6053ee859fcd0355de8e0
          • MD5 SHA1 SHA512 SSDEEP TLSH