Analysis

  • max time kernel
    149s
  • max time network
    152s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    14/08/2026, 12:31

General

  • Target
    handybackup-750.msi
  • Size 23.0MB
  • Sample260814-pp6pcsbl4w
  • SHA256 7bfde9564a093b42a2c8c6e0f7d10297822d95f228aaefe4ba2921ea60babdb3
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • ACProtect 1.3x - 1.4x DLL software 1 IoCs

    Detects file using ACProtect software.

  • Executes dropped EXE 5 IoCs
  • Loads dropped DLL 64 IoCs
  • Adds Run key to start application 2 TTPs 1 IoCs
  • Badlisted process makes network request 1 IoCs

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

  • Enumerates connected drives 3 TTPs 47 IoCs

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

  • Drops file in System32 directory 2 IoCs
  • UPX packed file 6 IoCs

    Detects executables packed with UPX/modified UPX open source packer.

  • Drops file in Program Files directory 64 IoCs
  • Drops file in Windows directory 59 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 12 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.

  • Kills process with taskkill 3 IoCs
  • Modifies registry class 64 IoCs
  • Suspicious behavior: EnumeratesProcesses 6 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SendNotifyMessage 1 IoCs
  • Suspicious use of SetWindowsHookEx 7 IoCs
  • Suspicious use of WriteProcessMemory 11 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\handybackup-750.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:3452
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Adds Run key to start application
    • Enumerates connected drives
    • Drops file in System32 directory
    • Drops file in Program Files directory
    • Drops file in Windows directory
    • Modifies registry class
    • Suspicious behavior: EnumeratesProcesses
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:1540
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 5FC18E5A3F03DAABD7AAD5D24BF6EBDC C
      2⤵
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      PID:3760
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:1368
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding E1EE6DFBC7C7976154DF48B015A7406B
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious behavior: EnumeratesProcesses
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:4416
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\SysWOW64\taskkill.exe" /F /T /IM BackupWorkstation.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          PID:3580
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\SysWOW64\taskkill.exe" /F /T /IM BackupServer.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          PID:1896
        • C:\Windows\SysWOW64\taskkill.exe
          "C:\Windows\SysWOW64\taskkill.exe" /F /T /IM BackupClient.exe
          3⤵
          • System Location Discovery: System Language Discovery
          • Kills process with taskkill
          PID:2020
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding D6ACAB5670BC64EC69684CD95B9C8EBE E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5888
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4816
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:2232
      • C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupClient.exe
        "C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupClient.exe" -autorun
        1⤵
        • Executes dropped EXE
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        • Suspicious use of SetWindowsHookEx
        • Suspicious use of WriteProcessMemory
        PID:5744
        • C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupServer.exe
          "C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupServer.exe" -n --ListenEndpoints localhost --HostNameInIOR localhost --CoordinatorHost localhost --CoordinatorPort 1755 --StartWorkstation --ReadyEvent 7c298086-97dc-11f1-8000-000000000000
          2⤵
          • Executes dropped EXE
          • Loads dropped DLL
          • System Location Discovery: System Language Discovery
          • Suspicious use of WriteProcessMemory
          PID:1424
          • C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupNetworkCoordinator.exe
            "C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupNetworkCoordinator.exe" -n --ListenEndpoints localhost:1755 --ReadyEvent 7c993b06-97dc-11f1-8000-000000000000
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            PID:4920
          • C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupNotifyService.exe
            "C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupNotifyService.exe" -n --ListenEndpoints "localhost" --HostNameInIOR "localhost" --CoordinatorHost "localhost" --CoordinatorPort "1755" --ReadyEvent 7c993b06-97dc-11f1-8000-000000000000
            3⤵
            • Executes dropped EXE
            • Loads dropped DLL
            • System Location Discovery: System Language Discovery
            PID:1696
          • C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupWorkstation.exe
            "C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupWorkstation.exe" -n --ListenEndpoints "localhost" --HostNameInIOR "localhost" --CoordinatorHost "localhost" --CoordinatorPort "1755" --ReadyEvent 7c993b06-97dc-11f1-8000-000000000000 --ShutdownEvent 7c993b06-97dc-11f1-8001-000000000000
            3⤵
            • Executes dropped EXE
            • System Location Discovery: System Language Discovery
            PID:1592
      • C:\Windows\SysWOW64\DllHost.exe
        C:\Windows\SysWOW64\DllHost.exe /Processid:{4E14FBA2-2E22-11D1-9964-00C04FBBB345}
        1⤵
        • System Location Discovery: System Language Discovery
        PID:2128

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            ACE.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\ACE.dll
            • Size 1.2MB
            • SHA256 2654ff7f0562dd1eaa52ca5a3319321dd34a00b2ad5c79a3dbc4daff14e1d454
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackupClient.exe

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupClient.exe
            • Size 2.6MB
            • SHA256 70fa2eeb523a6bfe8be7c71c23dd2ff91ffb9db5c077033af5f4db208842acd3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackupNetworkCoordinator.exe

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupNetworkCoordinator.exe
            • Size 52KB
            • SHA256 158c737d37edae0ce19fe404e4e89658d4aad709ce873780f78c9a3a13a66f5b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackupNotifyService.exe

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupNotifyService.exe
            • Size 60KB
            • SHA256 4dbe8a1766624d2f4eba43db22f53baeca404b985e324cec9698a4603d0df9fa
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackupServer.exe

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupServer.exe
            • Size 2.4MB
            • SHA256 9045e3ea007fbf04286b52b1e4d9d8d3591775f1074be0ba197ad5c4f5b54c8c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            BackupWorkstation.exe

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\BackupWorkstation.exe
            • Size 822KB
            • SHA256 c7c1a5080a2a8b50b305579a64f319a5b6a545b08622f4dc8f7b9504a963c819
            • MD5 SHA1 SHA512 SSDEEP TLSH

            English.xml

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\Customizes\English.xml
            • Size 110KB
            • SHA256 acc4137fdcf34b806c699d5564cf9f593345e4dd3059d8a72568a5512d7bab19
            • MD5 SHA1 SHA512 SSDEEP TLSH

            default.cmz

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\Customizes\default.cmz
            • Size 114KB
            • SHA256 c2df09c9a71add0beafdddda7a51633ba60393437787647a63ee163c003d693e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            HBLib.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\HBLib.dll
            • Size 317KB
            • SHA256 cfdb0891f74dc3c2a7606496cf65e68b3f0eb6491afb46e745968bce82f94483
            • MD5 SHA1 SHA512 SSDEEP TLSH

            HTMLayout.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\HTMLayout.dll
            • Size 923KB
            • SHA256 d5bfe462e7a8dad17c2c75cc792560542b30669027bad14c5445cf5b3162e7ff
            • MD5 SHA1 SHA512 SSDEEP TLSH

            LIBEAY32.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\LIBEAY32.dll
            • Size 1.1MB
            • SHA256 9a1538113104d248320de310f807f5050ac86f325e6ab68dd318e60bd81bff38
            • MD5 SHA1 SHA512 SSDEEP TLSH

            SSLEAY32.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\SSLEAY32.dll
            • Size 231KB
            • SHA256 148d4fef627124448c1cca68fc2c5b987d2efc04293733e98a930958d9c3ace3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TAO.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\TAO.dll
            • Size 1.0MB
            • SHA256 314fc25a64bbdb035da4cb015a39bb49c543b9c65ff738823dbecef51fa5523a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TAO_AnyTypeCode.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\TAO_AnyTypeCode.dll
            • Size 418KB
            • SHA256 698e875d4db20b7ba04a47be3b8461b25db8cf84591bbb21af4ea9aec2b2ce47
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TAO_CosEvent.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\TAO_CosEvent.dll
            • Size 203KB
            • SHA256 602460047d6e7003d98ca6fcba5e4e5eca7857d8fe23be5cd2a2936170e6d006
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TAO_CosEvent_Skel.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\TAO_CosEvent_Skel.dll
            • Size 204KB
            • SHA256 a91609f3ef4a69f55ce3e849641709b77da478c22539e47bdde5d1fe3cd5811f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TAO_CosNaming.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\TAO_CosNaming.dll
            • Size 119KB
            • SHA256 08a471870efa27e0f70e4393c84d602bbdc9f46902d532253c79f70c133fc00f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TAO_CosNotification.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\TAO_CosNotification.dll
            • Size 684KB
            • SHA256 f7c7860a3c564c6b64457acbccb0b7e3fec738e17361845f192eaa0b598e265f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TAO_CosNotification_Serv.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\TAO_CosNotification_Serv.dll
            • Size 836KB
            • SHA256 edc058e88c3b49994a1ef51242d774ce19ea52671b808e674819570305b8544c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TAO_CosNotification_Skel.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\TAO_CosNotification_Skel.dll
            • Size 486KB
            • SHA256 50ae68f49086f4c119b3f4225f6cd516690f0d0faa936bef6ab6de0ce99295cc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            TAO_PortableServer.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\TAO_PortableServer.dll
            • Size 497KB
            • SHA256 1e442bc21c500a3360afd51ffc635326708cad44b92d7c3f7e7185657eeff795
            • MD5 SHA1 SHA512 SSDEEP TLSH

            hbcc.exe

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\hbcc.exe
            • Size 413KB
            • SHA256 8f2f29967126bfec2ea24f8c4605e6ca57522d3e90b66267eb57c2f193001df7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            res.dll

            • Path C:\Program Files (x86)\Novosoft\Handy Backup 7\res.dll
            • Size 875KB
            • SHA256 a02b6a57e9cd7f0dd4ff6a0517198da04252c53ee3bdefe23488573cad23cde5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            workstation.hbl

            • Path C:\ProgramData\Novosoft\Handy Backup 7\Settings\Services\workstation.hbl
            • Size 554B
            • SHA256 d2f7a54766683dc03e58b018b175ef2b3eec01ec8330196e45245c43dbc6fc37
            • MD5 SHA1 SHA512 TLSH

            server.hbl

            • Path C:\Users\Admin\AppData\Roaming\Novosoft\Handy Backup 7\Settings\Services\server.hbl
            • Size 2KB
            • SHA256 7d2767eb3a87fbad39b0e2cd6544809a9e1dc3976c519fe50f0025aaad207b6c
            • MD5 SHA1 SHA512 TLSH

            MSI5277.tmp

            • Path C:\Windows\Installer\MSI5277.tmp
            • Size 148KB
            • SHA256 fa9b83479f1b955790325dc557624185a8c72df3e31870dae075437146858185
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI5557.tmp

            • Path C:\Windows\Installer\MSI5557.tmp
            • Size 75KB
            • SHA256 2adf199f6baf245f0b07d31a3a1401d4262c3e6c98b8f10df923ceb2c937291e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI5642.tmp

            • Path C:\Windows\Installer\MSI5642.tmp
            • Size 214KB
            • SHA256 ad05944fa5131b64195bc7559430e432043667b9543e8ee12d33149eb0a89ea2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e5a3f7d.msi

            • Path C:\Windows\Installer\e5a3f7d.msi
            • Size 23.0MB
            • SHA256 7bfde9564a093b42a2c8c6e0f7d10297822d95f228aaefe4ba2921ea60babdb3
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 0327798cc59b7dc7d3ba558e9df82ab56d34753ad272dcd87004947909995280
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {058e9ec4-9305-4e1e-9268-484674eb8714}_OnDiskSnapshotProp

            • Path \??\Volume{c61fbfff-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{058e9ec4-9305-4e1e-9268-484674eb8714}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 ca1dc5ce07ea2a1e3a079983958288fc0967a13877688a15ccf55f5f6cece4e7
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/5744-382-0x0000000010000000-0x000000001025E000-memory.dmp

            memory/5744-444-0x0000000010000000-0x000000001025E000-memory.dmp

            memory/5744-460-0x0000000010000000-0x000000001025E000-memory.dmp

            memory/5744-463-0x0000000010000000-0x000000001025E000-memory.dmp

            memory/5744-466-0x0000000010000000-0x000000001025E000-memory.dmp