Analysis

  • max time kernel
    148s
  • max time network
    143s
  • platform
    windows11-ltsc_2024_x64
  • resource
    win11ltsc2024-20260618-en
  • resource tags

    arch:x64arch:x86image:win11ltsc2024-20260618-enlocale:en-usos:windows11-ltsc_2024-x64systemwindows
  • submitted
    23/06/2026, 12:03

General

  • Target
    support.client.exe
  • Size 305KB
  • Sample260623-n8cd7acv2q
  • SHA256 d4a858911a34290410ef354e1d00e02874dca9ed946d4bef5bae5e0149b52b72
  • MD5 SHA1 SHA512 SSDEEP TLSH

Malware Config

Signatures

  • Downloads MZ/PE file 7 IoCs
  • Manipulates Digital Signatures 1 TTPs 4 IoCs

    Attackers can apply techniques such as changing the registry keys of authenticode & Cryptography to make their binary seem validly signed.

  • Signed with revoked ConnectWise certificate 4 IoCs

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

  • Executes dropped EXE 1 IoCs
  • Subvert Trust Controls: Mark-of-the-Web Bypass 1 TTPs 1 IoCs

    When files are downloaded from the Internet, they are tagged with a hidden NTFS Alternate Data Stream (ADS) named Zone.Identifier with a specific value known as the MOTW.

  • 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.

  • Modifies data under HKEY_USERS 1 IoCs
  • Modifies registry class 64 IoCs
  • Modifies system certificate store 2 TTPs 6 IoCs
  • NTFS ADS 2 IoCs
  • Suspicious use of AdjustPrivilegeToken 1 IoCs
  • Suspicious use of WriteProcessMemory 2 IoCs

Processes

  • C:\Users\Admin\AppData\Local\Temp\support.client.exe
    "C:\Users\Admin\AppData\Local\Temp\support.client.exe"
    1⤵
    • Manipulates Digital Signatures
    • System Location Discovery: System Language Discovery
    • Modifies system certificate store
    • Suspicious use of WriteProcessMemory
    PID:3784
    • C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe
      "C:\Windows\Microsoft.NET\Framework64\v4.0.30319\dfsvc.exe"
      2⤵
      • Downloads MZ/PE file
      • Subvert Trust Controls: Mark-of-the-Web Bypass
      • Modifies data under HKEY_USERS
      • Modifies registry class
      • NTFS ADS
      • Suspicious use of AdjustPrivilegeToken
      • Suspicious use of WriteProcessMemory
      PID:6844
      • C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\ScreenConnect.WindowsClient.exe
        "C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\ScreenConnect.WindowsClient.exe"
        3⤵
        • Executes dropped EXE
        • Modifies registry class
        PID:5216

Network

        MITRE ATT&CK Enterprise v16

        Replay Monitor

        Loading Replay Monitor...

        Downloads

        scre...exe_25b0fbb6ef7eb094_0019.0002_none_867d819169b5504f.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\manifests\scre...exe_25b0fbb6ef7eb094_0019.0002_none_867d819169b5504f.cdf-ms
        • Size 24KB
        • SHA256 ccf0352741a5f80ddc3ded78c680b34effd827f3fb6e899dabb9505fb60e2e9e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        scre..core_4b14c015c87c1ad8_0019.0002_none_41e6e31d258051c3.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\manifests\scre..core_4b14c015c87c1ad8_0019.0002_none_41e6e31d258051c3.cdf-ms
        • Size 3KB
        • SHA256 9a756f87414a3444a20987d6f4d6f5e84a781a9beb4ea9adb4823fd8796aca83
        • MD5 SHA1 SHA512 TLSH

        scre..dows_4b14c015c87c1ad8_0019.0002_none_465ebafe61ce64f3.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\manifests\scre..dows_4b14c015c87c1ad8_0019.0002_none_465ebafe61ce64f3.cdf-ms
        • Size 5KB
        • SHA256 c0c33e7e84fbd74fda6e322ab901dc6ca2ca1643971eab9fca6b17a56d94d8bb
        • MD5 SHA1 SHA512 SSDEEP TLSH

        scre..ient_4b14c015c87c1ad8_0019.0002_none_a32dbc410e6434d0.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\manifests\scre..ient_4b14c015c87c1ad8_0019.0002_none_a32dbc410e6434d0.cdf-ms
        • Size 6KB
        • SHA256 aa3efb7e28c1a1e964d0f3a7c7d86c267de15ca73afa1555560249e0630a63e0
        • MD5 SHA1 SHA512 SSDEEP TLSH

        scre..ient_4b14c015c87c1ad8_0019.0002_none_d7fc40ef34cfa7c7.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\manifests\scre..ient_4b14c015c87c1ad8_0019.0002_none_d7fc40ef34cfa7c7.cdf-ms
        • Size 2KB
        • SHA256 e874498696dfb0227816eec8c93f1ebe26d2da9eab09fbe5744e0df3b1146961
        • MD5 SHA1 SHA512 TLSH

        scre..tion_25b0fbb6ef7eb094_0019.0002_none_2771bb27d0341a32.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\manifests\scre..tion_25b0fbb6ef7eb094_0019.0002_none_2771bb27d0341a32.cdf-ms
        • Size 14KB
        • SHA256 eb68d22b6b87df63cddccf102bd6ea6c4fccef6914077c5f9fb15fc4c72f45a9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        scre..vice_4b14c015c87c1ad8_0019.0002_none_f33a7b65bb3fb52e.cdf-ms

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\manifests\scre..vice_4b14c015c87c1ad8_0019.0002_none_f33a7b65bb3fb52e.cdf-ms
        • Size 4KB
        • SHA256 aa09c7dea01429d320ce4a4ee94c9a0526832d202c91c1cb952f69d076723036
        • MD5 SHA1 SHA512 SSDEEP TLSH

        3t43uyhd.newcfg

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\3t43uyhd.newcfg
        • Size 564B
        • SHA256 6f4d67c803045dd1f1173a484a2f4aae9cc309d11c116a8171f5efdd05d5c99c
        • MD5 SHA1 SHA512 TLSH

        app.config

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\app.config
        • Size 1KB
        • SHA256 15a0b6ed31df7ad031a0d9825fda4c83ccc3353f7c990acaa946d3ba910a9faf
        • MD5 SHA1 SHA512 TLSH

        ofiusst5.newcfg

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\ofiusst5.newcfg
        • Size 564B
        • SHA256 f3af2d6c137150e684d2d976dcafe215d5a42107db4c9a61fdb9c07355511f84
        • MD5 SHA1 SHA512 TLSH

        qbznluez.newcfg

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\qbznluez.newcfg
        • Size 564B
        • SHA256 8057a3a289dc270251bbd4f86921a8cd699e0d4ad01a8293350a583448eebc8c
        • MD5 SHA1 SHA512 TLSH

        rffijpzp.newcfg

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\rffijpzp.newcfg
        • Size 564B
        • SHA256 9fb80804ffcdeffa0c763fed81f94281712fdace8f9bc4144451691211bc6c24
        • MD5 SHA1 SHA512 TLSH

        sbyuqmwi.newcfg

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\sbyuqmwi.newcfg
        • Size 564B
        • SHA256 16bbe9eb6a2bf54196226812d6b6ad1552acd15fedcf9a53501b994a00f4bf31
        • MD5 SHA1 SHA512 TLSH

        user.config

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\user.config
        • Size 564B
        • SHA256 e0b0edfc38745d8f69ef4869ed34fa8210af056697090f4bd9843c0e13c548cf
        • MD5 SHA1 SHA512 TLSH

        user.config

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\user.config
        • Size 564B
        • SHA256 1c07cd03017fe28c571f531eb36b8f258dd716a8b35b62a6930a98e08485e555
        • MD5 SHA1 SHA512 TLSH

        zcofulxb.newcfg

        • Path C:\Users\Admin\AppData\Local\Apps\2.0\9R5JN6CV.EAK\2Q7DM22A.E3V\scre..tion_25b0fbb6ef7eb094_0019.0002_3a7fd46699e3291b\zcofulxb.newcfg
        • Size 564B
        • SHA256 42c3c2d888a0e82a62d7eb850c0f0dd617427ce0656ac44235f87971b33abd1f
        • MD5 SHA1 SHA512 TLSH

        8NHBP8X0.8DY.application

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\161E4YKN.7X0\8NHBP8X0.8DY.application
        • Size 150KB
        • SHA256 5e46eaf9c8784a81b9a32f6a496a389a1f5f8f7e899423a1a66e8c04ac93da6e
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.Client.dll
        • Size 192KB
        • SHA256 6526705b685c2f221a6675118c73cba98c47d948169d81ea4544c3e3336b8f2b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Client.dll.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.Client.dll.genman
        • Size 1KB
        • SHA256 948596c07ffcd2ad7c1463894ac108ee05507def70f8a4a97d75a7081266b512
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.ClientService.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.ClientService.dll
        • Size 66KB
        • SHA256 319ba24115e64ea4b714caf4e88d3d5a658defd51d714c2291b9758466925281
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.ClientService.dll.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.ClientService.dll.genman
        • Size 1KB
        • SHA256 7ba2e686afa757becaec5216ddbc0be75d7d30f9af8233e9160d200efec8aa0f
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.ClientService.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.ClientService.exe
        • Size 93KB
        • SHA256 f048400c23add8c75abe189393d33c873c02c74eeaf43d47b950c8d643763b35
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.Core.dll
        • Size 538KB
        • SHA256 b8100e5ab07983cbf82d721cf719576ca3f60e352628dcaabd42d428011fdedf
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Core.dll.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.Core.dll.genman
        • Size 1KB
        • SHA256 1008e0a6ce99adf165f8e173dcd4bb5e0761673aa9c3150f5e010f03d0f6434b
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.Windows.dll

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.Windows.dll
        • Size 1.6MB
        • SHA256 da29455a64858fda773319c32c0a6cd40edbe8042ed005aa2befb8a4f0fb0522
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.Windows.dll.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.Windows.dll.genman
        • Size 1KB
        • SHA256 74bc77d4a907113ee17339077cf42d4919a3d02987325a5fd5608a43f65e60c2
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsBackstageShell.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.WindowsBackstageShell.exe
        • Size 59KB
        • SHA256 1404090db3128de503ba4d991a960c7c1bc3b910a62d06ecf7e7081a2fcf11b9
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.WindowsClient.exe
        • Size 593KB
        • SHA256 b80d07610b81bddb3d7f30a207a2e134b559e06b8440598a926f3a9c1d439218
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsClient.exe.config

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.WindowsClient.exe.config
        • Size 266B
        • SHA256 87c640d3184c17d3b446a72d5f13d643a774b4ecc7afbedfd4e8da7795ea8077
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsClient.exe.genman

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.WindowsClient.exe.genman
        • Size 2KB
        • SHA256 cfe9e06a7fc7a776c704f992b1b80c2938133a4b8c1b53bcabe57cade90d44b9
        • MD5 SHA1 SHA512 TLSH

        ScreenConnect.WindowsClient.exe.manifest

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.WindowsClient.exe.manifest
        • Size 17KB
        • SHA256 d44b7bda547bbbeab6060edd2207e97dbc43c28aa08522b2108866c1ac023dbd
        • MD5 SHA1 SHA512 SSDEEP TLSH

        ScreenConnect.WindowsFileManager.exe

        • Path C:\Users\Admin\AppData\Local\Temp\Deployment\B26VMY61.6WG\Y1LLXYD8.JC4\ScreenConnect.WindowsFileManager.exe
        • Size 79KB
        • SHA256 13f8cfe4648b807a0cbddd653c75254b60d1951e11e715f4e5a1a2c9ab29360b
        • MD5 SHA1 SHA512 SSDEEP TLSH

        memory/5216-297-0x00000000029B0000-0x00000000029C8000-memory.dmp

        memory/5216-288-0x00000000007D0000-0x0000000000868000-memory.dmp

        memory/6844-21-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-0-0x00007FF8A03CF000-0x00007FF8A03D0000-memory.dmp

        memory/6844-37-0x000002AB22650000-0x000002AB226E8000-memory.dmp

        memory/6844-27-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-49-0x000002AB21ED0000-0x000002AB21F06000-memory.dmp

        memory/6844-13-0x000002AB22020000-0x000002AB22070000-memory.dmp

        memory/6844-10-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-55-0x000002AB1DFB0000-0x000002AB1DFC8000-memory.dmp

        memory/6844-61-0x000002AB22910000-0x000002AB22ABC000-memory.dmp

        memory/6844-43-0x000002AB22640000-0x000002AB226CC000-memory.dmp

        memory/6844-9-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-8-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-7-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-319-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-6-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-5-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-4-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-3-0x00007FF8A0240000-0x00007FF8A0BE4000-memory.dmp

        memory/6844-2-0x000002AB1DB80000-0x000002AB1DD08000-memory.dmp

        memory/6844-1-0x000002AB03340000-0x000002AB03348000-memory.dmp